[Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "1.1"] [White "Heap, Gerry"] [Black "Hammett, Scott"] [Result "1-0"] [ECO "E18"] [WhiteElo "2160"] [BlackElo "1610"] [Annotator "kemen"] [PlyCount "67"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,22,29,27,61,28,44,12,12,13,21,21,8,14,13,12,30,9,34,28,49,60,61,66,71] } 1. Nf3 b6 2. c4 Bb7 3. g3 Nf6 (3... Bxf3 {main}) 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 d6 (7... Ne4 {main, contesting e4}) (7... d5) 8. Qc2 Nbd7 9. e4 { 69% for Wh} e5 10. Rd1 {79% for Wh} (10. d5 {main 65% Wh}) 10... exd4 11. Nxd4 Ne5 (11... Re8) 12. b3 (12. Nd5 Nxd5 13. exd5 Qd7 14. Be4 Ng6 15. Bf5 Qd8 16. h4 Re8 17. Bxg6 hxg6 18. Nf3 Bc8 19. Kg2 Bf5 20. Qb3 Bf6 {Willrodt-Kohls, GER ch Women, Hockenheim 2009,1/2-1/2}) (12. f4 Nxc4 13. e5 d5 14. exf6 Bxf6 15. b3 $18 {Chuguev-Solomin, Novosibirsk ch 2008,1-0}) 12... Nfd7 (12... Nc6 13. Nxc6 Bxc6 14. e5 Bxg2 15. exf6 Bf3 16. fxe7 (16. Rd3) 16... Qxe7 17. Rf1 Rfe8 18. Be3 (18. Bb2) 18... Qe6 (18... Qd7 19. Nd5 Re4 20. Bg5 Qh3 21. Ne3 h6 22. Bf4 Rae8 23. Rfd1 Rxf4 24. gxf4 Re4) 19. Ne2 Qg4 20. Nd4 Bb7 21. Qf5 { Thompson-Anquandah, Dreamfort Strongbow op 2019,1/2-1/2}) 13. Bb2 Re8 14. Nd5 (14. f4 Nc6 15. Nf5 {Komodo13}) 14... a6 (14... Bxd5 15. cxd5 a5 16. a3 Bf6 17. Bh3 Nb8 18. Rac1 Ned7 19. f3 Bxd4+ 20. Bxd4 Na6 21. Qc3 { Donchenko-Steppuhn, Forchheim op 2010, 1-0}) (14... Bf8 15. h3 a5 {Komodo13 }) 15. Nxe7+ Qxe7 16. Nf5 Qf8 17. f4 g6 18. Ne3 Nc6 19. Nd5 Rac8 20. Bh3 Nb4 ( 20... Ncb8 21. Qc3) 21. Qc3 {even stronger than} (21. Nxb4) 21... f6 22. Bxd7 Nxd5 23. exd5 Re2 (23... Re7) 24. Be6+ (24. Bxc8) (24. Re1) 24... Kg7 25. Rd2 Rxd2 26. Qxd2 Re8 27. g4 (27. f5 {Komodo13}) 27... Bc8 28. Bxc8 (28. Re1 ) 28... Rxc8 29. g5 (29. Re1 {preferred by Komodo13}) 29... Re8 30. Bxf6+ Kf7 31. Re1 Rxe1+ 32. Qxe1 Qe8 33. Qxe8+ Kxe8 34. Kf2 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "1.2"] [White "Orton, Paul"] [Black "Hewitt, William"] [Result "0-1"] [ECO "D00"] [WhiteElo "1584"] [BlackElo "2086"] [Annotator "user"] [PlyCount "116"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,116,19,31,25,29,38,39,39,47,38,24,29,29,59,0,1,-34,-38,-36,-19,-42,29, 28,50,67,27,100,51,-16,-1,-15,-19,-2,-10,-14,-14,-13,38,6,14,26,30,21,29,33,36, 41,38,36,36,23,25,1,1,1,1,0,0,0,6,5,0,-23,-7,-31,-23,-17,-17,-24,-15,-24,-25, -30,-22,-44,-28,-43,0,-23,14,0,0,-15,-15,-15,-15,-15,0,-15,-15,-15,0,-51,-51, -51,-51,-64,-21,-34,-17,-43,-23,-65,-50,-54,-54,-145,-145,-155,-145,-155,-155, -171,-169,-175,-91,-175,-175]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. Bd3 ( 5. h4 {main}) 5... O-O 6. Nf3 c5 7. Nb5 (7. O-O) (7. dxc5 {main lines}) 7... Na6 (7... c4 {Cloud Engines} 8. Be2 (8. Nc7 Nh5 9. Nxa8 Nxf4 10. exf4 cxd3 11. Qxd3 Nc6 {Komodo13}) 8... Qa5+ {Wh resigned here in Tafijn-Taffijn, LSS 2007 ,0-1} 9. Nc3 Ne4 10. Nd2 Nxc3 11. bxc3 Qxc3 { Villareal-Sanguenetti, URU ch tm , Paysandu 2012,0-1}) 8. c3 (8. O-O) 8... Bd7 (8... Nh5 {Cloud Engines}) 9. a4 c4 10. Be2 Qb6 (10... Bxb5 {Cloud Engines} ) 11. b3 Bxb5 (11... cxb3 12. Qxb3 Rfc8 13. O-O {Komodo13}) 12. axb5 Qxb5 13. bxc4 dxc4 14. Qa4 (14. Qb1 {Cloud Engines}) 14... Qxa4 15. Rxa4 Nd5 16. Bxc4 (16. Kd2 {Fritz16 & Komodo13}) 16... Nb6 (16... Nxf4 {Fritz16} ) 17. Bxa6 Nxa4 18. Bxb7 Rab8 (18... Rad8 19. Kd2 Nc5 20. Rb1 Nxb7 21. Rxb7 a5 22. Rxe7 Ra8 23. Rb7 a4 24. Rb2 Rfc8 25. Kd3 {Komodo13-Wh's pawn-mass outweighs the exchange}) 19. Bxb8 Rxb8 20. Be4 Nxc3 21. Bd3 Rb2 {Fritz16} ( 21... Nd5 22. O-O {Komodo13}) 22. O-O Rb7 (22... Na2 23. Ra1 a5 {both Engines} 24. Ng5 {Komodo13}) 23. Ra1 e6 24. Kf1 Bf8 25. Nd2 (25. Ne5 { a little more active}) 25... Bb4 (25... e5 {both Engines}) 26. Ne4 (26. Nc4) 26... a5 27. Nxc3 Bxc3 28. Ra3 Bb4 29. Ra2 Kf8 30. Ke2 Ke7 31. Kd1 h5 32. Bc2 Kd6 33. Ba4 e5 {normally when one is trying to win, keep pawns on. But here the Bl K wants a bit of extra space} 34. dxe5+ Kxe5 35. Rc2 g5 36. h3 (36. g3) 36... f5 37. Ke2 (37. g3 {both Engines}) 37... h4 38. Kd3 (38. Rc8 { both Engines}) 38... Rg7 39. f3 g4 40. hxg4 fxg4 41. fxg4 (41. f4+ {both Engines} Kf5 42. Ke2 Re7 43. Rc8 {using the R to attack the extended bl pawns} Kf6 44. Rf8+ Kg7 45. Rf5 Kh6 46. Rg5 Rg7 47. Rxg7 Kxg7 48. Bd7 g3 49. Kf3 { and the opposite colour Bs hold the draw}) 41... Rxg4 42. Bd7 Rg7 43. Ba4 Bd6 44. Rb2 (44. Rc4 Be7 45. Re4+ Kf5 46. Bd7+ Kg6 47. Be8+ Kf5 48. Bd7+ { Komodo13}) 44... Bb4 45. Rc2 Rg3 46. Rf2 (46. Rc4 {both Engines}) 46... Bc5 47. Re2 Rg4 48. Ra2 (48. Rc2 Bxe3 49. Kxe3 Rxa4 50. Rc5+ Ke6 51. Kf3 { Komodo13}) (48. Bc6 Kd6 49. Bf3 {Fritz16}) 48... Rb4 (48... Re4 { both Engines, wins the e pawn, though with 2 R pawns Bl still has work to do}) 49. Bc2 (49. Bd1 {both Engines}) 49... Bb6 50. Ke2 Kf6 51. Ba4 (51. Kf3 ) (51. Ra4 Rb2 52. Kd2 Kg5 53. Rc4 Bd8 {Komodo13}) 51... Re4 52. Ra3 Bxe3 53. Rxe3 (53. Kf3 Bc5 54. Kxe4 Bxa3 55. Kf4 {draws}) 53... Rxa4 54. Kf3 Rb4 (54... Kf5 55. Re8 Rf4+ {Bl mates in 49- Lomonosov Tablebases}) 55. Re8 (55. Rc3 {other moves lose} a4 56. Rc5 {draws- Lomonosov tablebases}) 55... a4 56. Ra8 Ke5 {[%emt 0:00:40] Bl mates in} 57. Ke3 (57. Rd8 Rd4 58. Ra8 Kd5 {longest variation}) 57... Rb3+ (57... Kd5) 58. Kf2 (58. Kd2 {iniatially considered a draw by Komodo13, but Lomomosov tablebases show that Bl mates in 37 by the retreat} Rb4) 58... a3 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "1.3"] [White "Van Kemenade, R.."] [Black "Brewer, Ben"] [Result "1-0"] [ECO "C92"] [WhiteElo "1977"] [BlackElo "1573"] [PlyCount "105"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,27,35,12,12,12,33,22,13,-3,11,12,6,1,26,16,7,-4,19,-14,-5,-9,32,32,32, 29,33,32,32,30]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. h3 d6 9. c3 Bb7 10. d4 exd4 (10... Re8 {main} 11. Nbd2 Bf8 12. a4 (12. d5) 12... h6 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 c5 {as contested several times Kasparov-Karpov, Wld ch 1990}) 11. cxd4 Na5 12. Bc2 c5 13. d5 (13. Nbd2 { altenative}) 13... Nc4 (13... Nd7 {main} 14. Nbd2 Bf6 15. Rb1 Re8 16. b3 { though Wh scores 79%}) 14. b3 (14. Nbd2 Nxd2 {3 Wh wins 2 draws} (14... Ne5 { 6 Wh wins, 2 draws,1 Bl win}) (14... Nb6 15. b3 Nfd7 16. Bb2 Bf6 {4 Wh wins,2 draws, 1 Bl win})) 14... Nb6 {main} (14... Ne5 15. Nxe5 (15. Nh2 Qc7 16. f4 Ng6 17. Qf3 Nxe4 18. Qxe4 Bf6 19. f5 Bd4+ 20. Be3 Rfe8 21. Qf3 Ne5 22. Qh5 { Zembrzuska-Szulgacz, Bydgoszcz Fordonski op 2007, draw agreed(perhaps because Bl ungraded player?)}) 15... dxe5 16. Nd2 {4 Wh wins}) 15. Bb2 Nfd7 (15... Re8 {3 Wh wins, 1 draw}) 16. Qd3 (16. a4 {considered- Komodo13} Bf6 17. Bxf6 Qxf6 18. Nbd2 bxa4 19. bxa4 a5 20. Rb1 Rfe8 21. Bd3 Ba6 22. Bxa6 Rxa6 23. Qc2 g6 24. Re3 Rc8 25. Rc3 Ra7 26. Rcb3 Ra6 27. Rc3 {Cade-Krupitsky, W-Cup ICCF 2011,1/ 2-1/2}) (16. Nbd2 {transposes to lines mentioned earlier}) 16... g6 (16... c4 { expected, Cloud Engines, =}) 17. Nbd2 {Cloud Engines} (17. Nh2 Bf6 18. Bxf6 Qxf6 19. Nd2 Rac8 20. Ng4 Qg7 21. Qg3 h5 (21... c4) 22. Ne3 Qf6 23. Nf5 Ne5 24. f4 Ned7 25. e5 {Plaskan-Norri, Wld ch U18, Kemer 2007,1-0}) 17... Rc8 (17... Re8 18. a4 b4 19. a5 Nc8 20. Nc4 Bf6 21. Bxf6 { Semenov-Klementiev,Nizhnij Novgororod Voroniatov Memorial 2010, Bl resigned here!}) (17... Bf6 18. Bxf6 Qxf6 19. Qf1 {Cloud Engines}) 18. Qe3 (18. a4 c4 19. bxc4 Nxc4 20. Nxc4 bxc4 21. Qa3 Bf6 22. Rab1 c3 23. Bc1 Qc7 24. Bf4 {Komodo13}) 18... Bf6 19. Bxf6 Qxf6 20. Bd3 (20. a4 bxa4 21. bxa4 a5 22. Rab1 Ba6 23. g4 (23. e5 dxe5 24. Nxe5 Nxd5 25. Nxd7 Qd8 26. Qh6 Qxd7 27. Rbd1 Rfd8 $11 {Komodo13}) 23... Qe7 24. g5 f6 {Komodo13}) 20... Rfe8 21. Qh6 Qg7 22. Qxg7+ (22. Qf4 c4 {Komodo13}) 22... Kxg7 23. Rec1 Rc7 {the R is loose in some variations} (23... f5 24. Ng5 Ne5 25. Bc2 c4 26. bxc4 Nexc4 27. Nxc4 Nxc4 28. exf5 Bxd5 29. fxg6 hxg6 30. Rd1 Bg8 {Komodo13}) 24. a4 bxa4 (24... f5 $11 {Komodo13}) 25. bxa4 Ne5 (25... a5 26. Nd4 {Komodo13- the loose R}) ( 25... f5 26. a5 Nc8 27. exf5 Nf6 28. Ng5 Nxd5 29. Ne6+ Rxe6 30. fxe6 Nf4 31. Bf1 Nxe6 32. Rab1 d5 33. Nf3 {Komodo13}) 26. Nxe5 Rxe5 27. a5 Nc8 28. Nc4 Re8 {(draw?)} 29. Rab1 (29. Ne3 Ne7 30. Rab1 f5 31. exf5 Bxd5 32. Bxa6 Be4 33. Rb6 {Komodo13}) 29... Rd7 30. Rb2 (30. f3 f6 31. Bc2 Rc7 32. Ba4 Ree7 33. Kf2 {Komodo13} h5 34. Rb6 Nxb6 35. axb6 Rcd7 36. Bxd7 Rxd7 37. Ke3) 30... f6 31. Rcb1 (31. Bc2 {Komodo13}) 31... Ree7 32. f3 (32. g4) (32. Ne3 {both Komodo13}) 32... h5 (32... Rc7 {Rudy} 33. g4 {Komodo13} Rf7 34. Ne3 Na7 35. Kf2 Rce7 36. Bc4 Rd7 37. Rb6 Nc8 38. R6b3 Na7 39. h4 Nc8 40. Ng2 g5 {preventing Nf4-e6} 41. h5 Rfe7 42. Ne3 Rf7 43. Nf5+ Kh8 44. h6 Kg8 45. Ng7 Kf8 46. Ke3 Rfe7 47. Ne6+ Ke8 48. R3b2 {and Bl is running out of space} Na7 (48... Rf7 49. Bb3 Na7 50. Ba4 Nb5 51. Bxb5 (51. Rxb5)) 49. Ng7+ Kd8 50. Nf5 Rf7 51. Nxd6 Rxd6 52. Rxb7 Rfd7 53. Rb8+ Nc8 54. Ra8 Ra7 55. Rbb8 Rxa8 56. Rxa8 Kc7 57. Bxa6 {Komodo13}) 33. Nb6 Nxb6 (33... Rc7 34. Nxc8 Bxc8 35. Rb6 c4 36. Bc2 Red7 37. Ba4 Rd8 38. Kf2 {Komodo13}) 34. Rxb6 Kh6 (34... f5 35. Bc2 (35. exf5 Bxd5 36. Bxa6 gxf5 37. Bb5) 35... Bc8 36. Rb8 Rd8 37. exf5 gxf5 38. Bd3 Ree8 39. f4 {Komodo13}) 35. Bxa6 (35. Bc2 {still preferred by Komodo13}) 35... Bxa6 36. Rxa6 Kg5 37. Rbb6 (37. Kf2) 37... f5 38. exf5 (38. Rxd6) 38... Kxf5 39. Rxd6 Rxd6 (39... Ke5 40. Rxg6 Kxd5 41. Kf2 $18 {Komodo13}) 40. Rxd6 Ra7 (40... Re1+ 41. Kf2 Ra1 {getting the R behind the pawn is a more active placement of a R} 42. a6 c4 43. Rc6 Ke5 44. d6 Ra2+ 45. Ke3 Ra3+ 46. Ke2 Ra2+ 47. Ke1 Ra1+ 48. Kd2 Ke6 49. Kc3 {Komodo13}) 41. a6 Ke5 42. Rxg6 Kxd5 43. Kf2 (43. Rg5+ Kd4 44. Rxh5 Rxa6 {Komodo13- the Wh pawn mass is too slow-moving- it's not the number of pawns but where they are & how far advanced that matters ( & of course K position)}) 43... c4 (43... h4 44. Ke3 Kc4 45. Rb6 Re7+ 46. Kf4 Kd5 47. Rb7 Re1 48. a7 Ra1 49. Ke3 c4 50. Kd2 Ra3 51. Rh7 Kc5 52. Kc2 {Komodo13}) (43... Kd4 44. g4 {Komodo13}) 44. Ke3 Kc5 45. Kd2 Kb4 46. Kc2 (46. g4) (46. f4) 46... Kc5 (46... Re7 47. g4 {Komodo13} (47. Rb6+ Kc5 48. Rb7 (48. Rb2 {pm analysis , is too passive} Re2+ 49. Kc1 Re1+ 50. Kd2 Ra1 51. Rb8 Rxa6 52. g4 hxg4 53. hxg4 Rd6+) 48... Re2+ 49. Kc3 Re3+ 50. Kd2 Ra3 51. a7 h4 52. Rd7)) 47. Kc3 (47. g4) 47... Kb5 48. Rg5+ (48. f4 Rf7 49. f5 Rxf5 50. a7 Rf8 51. Rh6 h4 52. Rxh4 Ra8 53. Rh5+ Kb6 54. Rh7) 48... Kxa6 49. Rxh5 Rg7 50. g4 Rf7 51. Rf5 Rh7 52. Kxc4 (52. h4 Rxh4 53. Rh5 {Komodo13- a little tactic}) 52... Rxh3 53. Kd5 {the Wh K supports the pawns & obstructs the Bl K entry} 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "1.4"] [White "Leah, Howard"] [Black "Buttell, David"] [Result "1/2-1/2"] [ECO "A04"] [WhiteElo "1570"] [BlackElo "1874"] [Annotator "kemen"] [PlyCount "111"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,21,5,23,50,20,61,61,61,15,15,15,15,-21,5,-15,-10,0,3,3,4,-13,-9,-21]} 1. e4 c5 2. d3 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nc6 6. Nbd2 e5 7. c3 Nge7 8. O-O O-O 9. Re1 (9. a4) (9. a3) (9. Nh4 {this last one scores best for Wh}) 9... Rb8 10. Nf1 b5 11. Nh4 {at this point} (11. Be3 {main, 1 Wh win,2 draws & 5 Bl wins}) 11... a5 12. f4 (12. Ne3) 12... f6 {a little passive} (12... exf4 13. Bxf4 h6 14. Be3 b4 {Komodo13}) 13. f5 g5 14. Nf3 h6 (14... d5 {Komodo13 } 15. h4 h6 16. Ne3 dxe4 17. dxe4 Qxd1 18. Rxd1 Rd8 19. Rxd8+ Nxd8 20. Ng4) 15. Ne3 Bd7 (15... Ba6) 16. Nd2 (16. h4 Be8 17. Ng4 Bh5 18. Nfh2 Kh8 19. hxg5 fxg5 20. Bf3 Ng8 21. Kg2 d5 22. Rh1 {Komodo13}) 16... Be8 (16... a4 $14) 17. Bf3 Bf7 18. Bh5 Qe8 19. Bxf7+ Qxf7 20. Qb3 (20. a4 {Komodo13} b4 21. g4 Rfd8 22. Qf3 d5 23. exd5 Nxd5 24. Nec4 {Bl has a bad B, & Wh has play on the wh squares}) 20... Rfd8 21. Qxf7+ Kxf7 22. c4 {blocks the position, but gives up c4 for his Ns, ceding d4 for Bl} (22. a4 b4 {and Wh can put Ns on the c4 square}) 22... b4 {now Bl's B has all of its own pawns obstructing it.} (22... h5 {keeps some fluidity in the game}) 23. Nf3 (23. g4 {keeps Bls B firmly behind bars. Though Bl can now open up the h file, all this would lead to is a swap of all the Rs}) 23... Nd4 24. Nxd4 exd4 25. Nf1 (25. Nd5) 25... Nc6 26. Rd1 Ne5 27. Kg2 Rh8 28. h3 h5 29. Nh2 a4 {there is no breakthrough on the Q side- whichever pawn advances, Wh moves the one next to it to close it up.} (29... g4 {is a better idea to get rid of his bad B}) 30. Kf2 (30. g4 {would be good if Wh could get a B to g3 to swap off the N on e5, but it takes some contortions to get there, while having to watch out for an invasion down the h file.} Rh7 31. Kf2 Rbh8) 30... g4 31. h4 (31. Bf4 { Komodo13} Bh6 (31... gxh3 32. Bxe5 fxe5 33. Nf3 Bh6 34. Rh1 Be3+ 35. Ke2 Rbg8 36. Rxh3 Rh7 37. Nh4 Rg4 38. Ng6 Bg5 39. Kf3 Bf6 40. Rah1 Rg5 {and now Wh can see if Bl will open up the Q side, which would allow a Wh R invasion} 41. a3 b3 {no thanks} (41... bxa3 42. bxa3 Bd8 43. Rb1)) 32. Bxe5 dxe5 33. hxg4 Be3+ 34. Kg2 Rbg8 35. gxh5 Rxh5 36. Rf1 Rgh8 37. Rh1 Rg8 38. Nf3 Rxh1 39. Rxh1 $16 {Wh has an extra pawn, which will always be threatening to push on to g5. Bl might hold on, but it will be a struggle}) 31... Bh6 32. Bxh6 (32. Bf4 { Komodo13-may be better} Rbe8 (32... Bxf4 33. gxf4 Nc6 34. Nf1 Ke7 35. Ng3 { and Wh is the only one with a pawn-break, e5, but that will probsably not get very far. In any case, Wh has been very clearly playing for a draw, so will not risk it.}) 33. Bxe5 Rxe5 34. Nf1 {and there is no entry for either side}) 32... Rxh6 33. Ke2 Rhh8 34. Rg1 (34. Nf1 Rbg8) 34... Rhe8 35. Rad1 {the players could have concluded a draw here, as neither side can force a breakthrough .} (35. Rgc1 {the C 4 square needs protection.}) 35... Rbc8 { Having written that last comment, Rudy has to eat his words as the Engine simply produces the breakthrough. The reason is that a R facing a K (or a Q) is always a danger signal- there may just be clearance sacrifices that make use of this Bl clearly saw something like this, hence the text move preparing to be able to sadvance the c pawn after a d5.Though Wh has now also seen it coming.} (35... b3 36. a3 d5 37. cxd5 (37. Nf1 dxe4 38. dxe4 Nxc4) 37... Rec8 38. Rd2 (38. Rc1 c4 39. dxc4 Nxc4 40. Rb1 Ne5 41. Nf1 Rc2+ 42. Nd2 Nc4 43. Rgd1 Nxb2) 38... c4 39. dxc4 Rxc4 (39... Nxc4 40. Nf1 Nxd2 41. Nxd2 Rc2 42. Rb1 Ke7 {is also an easy win}) 40. Rb1 Rbc8 41. Nf1 Rc2 (41... Nf3) 42. d6 Rxd2+ 43. Nxd2 Rc2 44. Kd1 Nd3 {Wh has run out of moves}) (35... d5 36. cxd5 (36. b3 dxe4 37. dxe4 Ra8 38. Rd2 axb3 39. axb3 Ra3 40. Rb1 Raa8) (36. exd5 {the otherwise desirable move loses to} Nxc4+) 36... b3 37. a3 { transposes to the line above}) 36. Rc1 (36. Kf2 {steps away from the gaze of that hostile R}) 36... Ke7 {gets in the way of the e8 R} (36... b3 37. a3 d5 $19 {still works, transposing to one of the variants above,as does the immediate}) (36... d5 37. cxd5 b3 38. axb3 Rb8 39. Rxc5 Rxb3 40. Rc7+ Re7 41. d6 Rxb2+ 42. Kd1 Rd7 43. Rc2 Rb1+ 44. Rc1 Rdb7) 37. Rgd1 Kd7 38. Rd2 Kc6 39. Rdd1 Re7 40. Rd2 (40. Nf1 {is the best waiting move}) (40. Kd2 { is also fine, but}) (40. Kf2 {loses to} b3 41. Ra1 (41. a3 Rce8 42. Kg1 Nxd3 43. Rxd3 Rxe4 44. Rcd1 d5 45. cxd5+ Kxd5 46. Kf1 c4 {the advancing pawns are far better than a N})) 40... Rce8 {missing another chance} (40... b3 41. axb3 ( 41. a3 Rce8 42. Nf1 Nxc4 43. Rxc4 d5 44. Ne3 (44. Rxa4 Kb5 (44... dxe4 45. Ra6+ Kb5 46. Re6 Rxe6 47. fxe6 Rxe6 48. dxe4 Rxe4+ 49. Kd3 f5 {still wins, but takes longer})) 44... dxe4 (44... dxc4 45. Nxc4 {but it's not clear how the Rs will win with the wellposted Wh N}) 45. Ng2 exd3+ 46. Kf1 (46. Kxd3 Re3+ 47. Nxe3 Rxe3#) 46... Re2 47. Rxd3 Kb5 48. Rc1 Rxb2 { and the mass of Bl pawns rolls forward}) 41... Rb8 42. bxa4 Reb7 43. Rb1 Rb3 44. Nf1 R8b4 45. a5 Ra4 46. a6 Rxa6 {and Bl retains good winning chances with his active pieces}) 41. Rdd1 (41. Nf1 b3 42. axb3 Rb8 {similar to the outer variation in the above note}) 41... Nd7 {retreating the N from a good square, from where it had breakthrough sacrifices} (41... b3 42. Ra1 (42. a3 Nxd3) 42... bxa2 43. Rxa2 Rb7 44. Kf1 Ra8 45. Rd2 Rb3 46. Ke2 Rab8 47. Nf1 Nf3 48. Rc2 R8b4 {and Wh is running out of moves} 49. Nd2 Rxd3 (49... Ne5 { also wins}) 50. Kxd3 Ne5+ 51. Ke2 d3+ 52. Kd1 dxc2+ 53. Kxc2 Nxc4) 42. Kd2 (42. Nf1 {also holds}) 42... Nb6 43. Nf1 Kb7 44. b3 {there is no need for Wh to risk opening up the position for the Bl Rs} Re5 {the R is out of the way here- Bl needs to double Rs on the a file ,preparatory to an invasion} (44... Ra8 45. Ra1 Kc6 46. Kc2 Rea7 47. Rab1 (47. Kb2 Nd7 48. Nd2 axb3 49. Nxb3 (49. axb3 Rxa1 50. Rxa1 Rxa1 51. Kxa1 Ne5 52. Kb1 Nxd3 53. Kc2 Nf2 54. Kb2 d3 55. Kc1 Kb6 56. Kb1 Nd1 57. Kc1 Nc3 58. Kb2 Ne2 59. Nf1 Kc6 60. Kb1 (60. Ka1 Nxg3 61. Ne3 (61. Nxg3 d2) 61... Ne2 (61... Nxe4 62. Kb2 g3 63. Kc1 d5 64. cxd5+ Kd6 65. Kd1 Ke5) 62. Kb2 g3) 60... Nc3+ 61. Kc1 Nxe4 {Komodo13 nudged})) 47... axb3+ 48. axb3 Nd7 49. Nd2 Ra2+ 50. Rb2 Ne5 51. Nb1 R8a7 52. Kc1 Nf3 53. Kc2 {having got here, though, it looks as if Wh can hold by just moving his K up & down- Komodo13 can find no breakthrough}) 45. Kc2 axb3+ 46. axb3 Ra8 47. Ra1 Ree8 48. Kb2 Kc6 49. Rxa8 Rxa8 50. Ra1 Rxa1 51. Kxa1 {with Rs exchanged, the danger for Wh has passed. There is nowhere any entry for the Bl K. At the time Rudy thought that even if Wh were careless enough to drop the d3 pawn, then it would still be a draw- but , as one of the variations give above indicates, Bl could win by a judicious d3, which then ties the Wh K down. } Nd7 52. Kb2 Ne5 53. Kc2 (53. Kc1 Nxd3+ 54. Kc2 (54. Kd2 Nf2) 54... Nf2 55. Nd2 d3+ {and the pawn & N cut off the Wh K from the K side, so that Bl is able to win the g3 pawn.}) 53... Nf3 54. Kd1 Kb6 55. Kc2 {(draw?)} Ka5 56. Kd1 1/2-1/2 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "1.5"] [White "Pinch, David"] [Black "Brewer, Joshua"] [Result "1-0"] [ECO "E16"] [WhiteElo "1769"] [BlackElo "1488"] [Annotator "kemen"] [PlyCount "71"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,13,11,20,27,6,6,6,6,-26,27,24,20,16,6,-8]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 b6 (4... Be7) (4... dxc4 {main lines}) 5. Bg2 Bb7 6. O-O dxc4 (6... Be7) (6... Nbd7 {main lines}) 7. Qc2 {an unnecessary sacrifice, 1 Wh win, 4 Bl wins} (7. Qa4+ {regains the pawn with the Q if that is what Wh intends; 62& for Wh}) (7. Nc3 {71% for Wh}) (7. Nbd2 {86% for Wh}) 7... b5 {though strangely enough no previous player has picked up with this move here. A couple of days later in the Dyfed League,via an Exchange French in Judge-Miller,0-1. the pawn mass on the Q side( pawns on c4, c6, b5 & a5) was not challenged & did move further in the game, which was ecided on the K side with Wh missing out on a win.} (7... Nbd7 {played most, when} 8. Qxc4 {returns to 96 main line games}) 8. a4 {Komodo13} (8. b3 {Komodo13}) 8... a6 9. b3 (9. axb5 axb5 10. Rxa8 Bxa8 11. Nc3 c6 12. Bf4 {Komodo13}) 9... Be4 ( 9... cxb3 10. Qxb3 b4 {Komodo13}) 10. Qb2 cxb3 11. Nbd2 (11. Nc3 Bc6 (11... Bd5 12. Nxd5 exd5 13. axb5) 12. axb5 axb5 13. Rxa8 Bxa8 14. Nxb5 { Komodo13}) 11... Bd5 12. axb5 axb5 13. Rxa8 Bxa8 14. Qxb3 b4 15. Nc4 Be7 16. Bd2 Nc6 (16... O-O 17. Bxb4 Bxb4 18. Qxb4 Bxf3 19. Bxf3 Qxd4 20. Qb5 Nbd7 21. Qc6 {Komodo13}) 17. Ra1 (17. Nfe5 {Komodo13} Nxe5 (17... Nxd4 18. Qa4+ c6 19. Bxb4 O-O 20. Ba5 Qe8 (20... Nxe2+ 21. Kh1 Qe8 22. Qd1) 21. e3 Nb5 22. Rc1 {tThe Wh pices has plenty of activity & will regain the pawn sooner or later})) 17... O-O 18. e3 Qb8 {the right piece, but the wrong square!} (18... Qd5 19. Qd3 Rb8 (19... Bb7)) 19. Nfe5 Na7 (19... Nd5 20. Nd7 Qd8 21. Nxf8 Bxf8 22. Qa4 (22. e4 Nxd4 23. Qd3 c5 24. exd5 Bxd5 {but messier}) 22... Bb7 23. Qb5 Qc8 24. Nb2 {Komodo13- with an exchange up Wh is winning, but it takes a while to overcome resistence}) 20. Bxa8 Qxa8 21. Qa4 {wins a piece, which is better for Wh} Ne4 22. Qxa7 Qxa7 23. Rxa7 Nxd2 24. Nxd2 Bd6 25. Nec4 (25. Nc6 {Komodo13- restricts the Bl R} Rc8 26. Rb7 Kf8 27. Kg2 {Komodo13} (27. Rb8 {looks simplest})) 25... Rb8 26. Nb3 f6 27. Nxd6 cxd6 28. Ra6 Rd8 29. Rb6 e5 30. Rxb4 e4 31. d5 f5 32. Nd4 (32. Rb7) 32... g6 33. Rb6 (33. Rb7) 33... Kf7 (33... Rd7) 34. Rb7+ Kf6 35. Rxh7 (35. Nc6 Rf8 36. Rd7) 35... Rc8 36. Nc6 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "1.6"] [White "Gunn, Tom"] [Black "Haigh, A.."] [Result "1/2-1/2"] [ECO "A40"] [WhiteElo "1400"] [BlackElo "1767"] [Annotator "kemen"] [PlyCount "86"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,13,24,24,43,24,66,41,57,41,67,67,52,53,66,53]} 1. d4 e6 2. Nf3 f5 3. c4 Bb4+ 4. Bd2 Qe7 5. e3 (5. g3) (5. a3 {main lines}) 5... Nf6 6. Bd3 O-O 7. O-O Nc6 (7... b6) (7... Bxd2 8. Nbxd2 d6 9. Qc2 Nc6 10. a3 Nh5 11. d5 { Flohr-Lambert, match URS-AUT 1953,1-0}) 8. c5 (8. Nc3 a6 9. a3 Bxc3 10. Bxc3 d5 11. Qc2 dxc4 12. Bxc4 Ne4 13. d5 {Drexhage-Gurdan, DESC email 1998,1/2-1/2}) 8... Bxd2 9. Nbxd2 d6 (9... b6 10. Rc1 {Komodo13}) 10. cxd6 cxd6 11. a3 ( 11. Qb3 Kh8 12. Rac1 {Komodo13}) 11... e5 12. dxe5 (12. Bc4+ Kh8 13. d5 Nd8 14. Rc1 {Komodo13}) 12... dxe5 13. e4 Nxe4 (13... Nh5 14. Re1 Nf4 15. Bf1 fxe4 16. Nxe4 Bg4 17. Qb3+ Kh8 18. Ned2 {Komodo13}) 14. Nxe4 fxe4 15. Bxe4 Bg4 16. Qc2 (16. Qb3+ {Komodo13} Kh8 17. Bxc6 bxc6 18. Nd2 Bf5 19. Nc4 Be6 20. Qc3 (20. Qc3 e4 21. Rac1 {the Wh pawn structure is in better shape than Bl's})) 16... Bxf3 17. Bxf3 Rxf3 (17... Nd4 18. Qc4+ Kh8 19. Be4 { Komodo13}) 18. gxf3 Nd4 19. Qe4 Rf8 20. Rad1 (20. f4 {Komodo13-gives Wh some extra space around the K} Rxf4 (20... Qd7 21. f5 Rxf5 22. f4) 21. Qd5+ Rf7 (21... Kh8 22. Kh1 Nc6 23. Rad1) 22. Kh1) 20... Qg5+ (20... Nxf3+ 21. Kh1 Qg5 22. h3) 21. Kh1 Nxf3 22. Rd3 (22. h3 {Komodo13}) 22... Qh5 23. Rxf3 (23. h4 h6) 23... Qxf3+ 24. Qxf3 Rxf3 25. Kg2 Rb3 26. Re1 Rxb2 27. Rxe5 Kf7 28. Rc5 {Wh has chances of saving the endingwith active R} h6 29. Rc3 Re2 30. Kf3 Re7 {the R was better placed where it was on b2} 31. a4 b6 ( 31... Ke6 32. Kg4 Kd5) 32. a5 bxa5 33. Rc5 g5 {best left where it is , protected by the R, as now the h pawn will need support} 34. Rxa5 Kg7 { the extra pawn is not far enough advanced for Bl to win with it} 35. h3 Rf7+ 36. Kg3 Kf8 37. Ra6 h5 (37... Kg7) 38. f3 Rb7 {trying to get the K across to aid the a pawn, just leaves Bl's K side pawns exposed} 39. h4 gxh4+ 40. Kxh4 Rh7 {2 RPs are not enough to win, as Fischer found out having out played Botvinnik at the Varna Olympiad 1962,1/2-1/2} 41. f4 Ke8 42. f5 Kd8 43. f6 Ke8 1/2-1/2 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "1.7"] [White "Van Kemenade, J.."] [Black "Greenwood, Ray"] [Result "1-0"] [ECO "C54"] [WhiteElo "1732"] [BlackElo "1315"] [Annotator "kemen"] [PlyCount "105"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,105,16,28,52,10,16,17,17,13,59,5,33,31,42,23,41,16,60,42,180,43,141, 25,37,45,38,20,181,179,168,84,84,55,141,71,80,71,164,90,111,83,83,87,75,65,47, 50,71,74,129,95,85,89,166,173,259,200,269,274,305,321,355,224,439,485,471,404, 572,446,465,474,590,598,595,595,663,689,686,662,726,715,786,641,644,663,671, 675,686,179,151,173,163,145,141,153,185,20,279,265,301,329,341,353,2992,29974, 29975,29978]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O d6 5. d3 (5. c3) (5. h3) 5... Bg4 6. c3 (6. h3 {most frequent ; doesn't score well for Whafter either} Bh5 {or} (6... Bxf3)) 6... Nf6 7. Be3 (7. Nbd2) (7. h3) 7... O-O (7... Bb6 { main}) 8. Nbd2 Ne7 {a standard move in several lines of the Italian, but here the Bg4 gets in the way of getting Ng6 in.} (8... Bb6 {transposes to 67 games}) 9. h3 (9. Bxc5 dxc5 10. Qb3 Qd6 11. Qxb7 Rab8 12. Qa6 Rxb2 13. Rfb1 Qxa6 14. Bxa6 Rc2 15. Rb7 Rxc3 16. Nxe5 Bc8 17. Rxa7 Bxa6 18. Rxa6 { Komodo13}) (9. Bg5 Ng6 10. h3 Bxf3 (10... Bd7 11. d4 Bb6 12. Qc2) 11. Qxf3 $14 {Komodo13}) 9... Bh5 (9... Bxf3 10. Qxf3 Bxe3 11. fxe3 c6 12. Bb3 Ng6 13. d4 {Komodo13}) 10. Re1 (10. Bxc5 dxc5 11. g4 Nxg4 (11... Bg6 12. Nxe5) 12. hxg4 Bxg4 13. Qe1 Ng6 14. Qe3 Nf4 15. Kh1 {Komodo13}) 10... c6 11. Nf1 (11. Bxc5 dxc5 12. g4) 11... b5 12. Bb3 a5 (12... Bxe3 13. Nxe3 Qc7 14. g4 Bg6 15. Nh4 Rad8 {Komodo13}) 13. g4 Nxg4 (13... Bxe3 14. Rxe3 a4 15. Bc2 Bg6 16. d4 Qc7 17. Ng3 Rfd8 {Komodo13; lots of play left for both sides}) 14. hxg4 Bxg4 15. Qe2 (15. N1h2) 15... a4 16. Bd1 f5 17. N1h2 {Stockfish10} ( 17. Bxc5 {Komodo13} fxe4 18. dxe4 (18. Qxe4 Rf4 19. Bxd6 Rxe4 20. Rxe4 Qxd6 21. Rxg4 Qxd3 22. Nxe5 Qf5 23. f4 Nd5 24. Ng3 Qe6 25. Bf3 {Komodo13}) 18... dxc5 19. Qe3 Ng6 20. N3h2 Bc8 21. Qg3 Nf4 22. Bg4 {Komodo13}) 17... fxe4 18. dxe4 Bh5 (18... Bxf3 19. Nxf3 Ng6 {both Engines}) 19. Bxc5 dxc5 20. Qe3 $16 Ng6 21. Qg5 (21. Ng5 Nf4 22. Nh3 {Komodo13}) 21... Bxf3 22. Qxd8 Raxd8 23. Bxf3 (23. Nxf3 Rxd1 24. Raxd1 Rxf3 25. Rd8+ Kf7 26. Rd7+ Kf8 27. Red1 $16 {Komodo13}) 23... Nh4 (23... Rd2 24. Re2 Rd3 25. Bg2 Nf4 26. Rc2 Rf6 { Wh has to work to get the pieces into greater activity}) 24. Be2 Rf4 (24... Rd2 25. Rab1 c4 26. Nf1 Rdd8 27. Rbd1) 25. Rad1 Rdf8 26. f3 h6 27. Rd6 Rc8 (27... R4f6) 28. Red1 Rc7 29. Re6 Rcf7 30. Rd8+ (30. Rxc6) (30. Rxe5) 30... Kh7 31. Rdd6 (31. Rxc6) 31... g5 {trying to open up the Wh K, though it opens up the Bl K more} (31... a3 32. bxa3 Ra7 33. Rxe5 Rxa3 34. Rxc5 Rxa2 35. Kf2 {Komodo13}) 32. Rxh6+ Kg7 33. Rh5 (33. Ng4 {Komodo13} Nxf3+ 34. Bxf3 Rxf3 35. Rdg6+ Kf8 36. Nxe5 Rf1+ 37. Kg2 R7f2+ 38. Kg3 Rxb2 {leaves the Bl K in trouble} 39. Rh8+ Ke7 40. Rh7+ Ke8 41. Rg8+ Rf8 42. Rgg7 Rf6 43. Re7+ Kd8 44. Ra7 {mating}) 33... g4 34. Rg5+ (34. Rxh4 {wins a N, considered by Wh in time pressure, who decided to make sure that the Bl pawn did not get to be too dangerous} gxf3 35. Rxf4 Rxf4 36. Bxf3 {eliminates the danger}) 34... Kf8 35. Rxg4 Rg7 36. Rxg7 (36. Kf2) 36... Kxg7 37. Rxc6 Ng6 38. Rxc5 Rf6 39. Bxb5 Nf4 40. Rxe5 (40. Ng4 Rf7 41. Kf2) 40... Rg6+ 41. Kf1 (41. Ng4) 41... Rg2 42. Ng4 Rxb2 43. Rg5+ Kh8 44. Nf6 (44. Rf5 Ng6 45. Bxa4 Rxa2 46. Be8) 44... Rb1+ 45. Kf2 Nh3+ 46. Ke3 Nxg5 47. Bxa4 {despite dropping a R , Wh's pawns are more than enough to keep the win} Rf1 48. f4 (48. Kf4 {Komodo13} Ne6+ (48... Nxf3 49. Bb5 Rf2 50. a4) 49. Kg4 Nc5 50. Bb3 Rc1 51. Nd5 Kg8 52. e5) 48... Nf7 (48... Rf3+ {Komodo13} 49. Kd4 Rxf4 50. Ke5 Rxf6 51. Kxf6 Nxe4+ 52. Ke5 Nxc3 53. Bb3 Nxa2 54. Bxa2) 49. Bb3 (49. Bb5) 49... Rh1 (49... Kg7 50. e5) 50. Bxf7 Kg7 51. Bd5 Kxf6 (51... Rh3+ 52. Kd4 Kxf6 53. a4) 52. e5+ Ke7 53. Bxh1 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "1"] [White "Osinga, Awne"] [Black "Williams, R Gareth"] [Result "0-1"] [ECO "B01"] [WhiteElo "1309"] [BlackElo "1678"] [Annotator "kemen"] [PlyCount "90"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] 1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. Nc3 Qd8 5. Be2 (5. Bc4) (5. d4) 5... a6 { rare, more frequently combined with a Q retreat to d6} (5... Bg4 {104 games}) ( 5... Nc6) (5... Bf5) 6. O-O Bf5 (6... c5 7. d4 (7. d3 e6 8. Be3 Be7 9. Ne4 Nbd7 10. c3 b5 11. Nxf6+ Nxf6 12. d4 Qc7 13. a4 b4 14. cxb4 cxb4 15. Rc1 Qa5 16. Ne5 Bb7 17. Bf3 Nd5 18. Nc4 Qd8 19. Bxd5 Bxd5 20. Qg4 O-O 21. Bh6 Bf6 22. Ne5 { Blanke-Gerighausen,Muensterland Verbandsklasse 2012,0-1}) 7... cxd4 8. Nxd4 e5 (8... g6 9. Bf3 Bg7 10. Re1 O-O 11. Bf4 Nbd7 12. Qd2 Re8 13. Nb3 Qb6 14. Rad1 Nf8 15. Na4 Qb5 16. Nac5 Bg4 {Sarenac-Bogosavljevic, Vucicevic memorial, Belgrade 2016,0-1}) 9. Nb3 Qxd1 10. Rxd1 Bf5 11. Nd5 Nxd5 12. Rxd5 Nc6 13. c3 Be6 14. Rd1 f5 15. Be3 b5 16. Nc5 Bc8 17. f3 {Grass-Diez, Hessenliga 2006,1-0}) 7. d3 e6 8. h3 (8. Nh4 Bg6 9. Nxg6 hxg6 10. Bg5 Bd6 11. h3 c6 12. Ne4 Bc7 13. Qc1 Nbd7 14. h4 Bb8 15. g3 Be5 16. Bf4 {Rodriguez Lopez-Ortega Garcia, San Agustin op, Aviles 2002,1/2-1/2}) 8... Be7 (8... Bd6) 9. Bd2 O-O 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bf3 c6 13. Be3 Nd5 14. Nxd5 cxd5 15. d4 Nc6 16. a3 Rc8 17. Be2 Bg5 (17... Bd6) (17... Na5) 18. c3 (18. Bxg5 Qxg5 19. c3) 18... Re8 19. Qd2 Bf6 20. Bg4 (20. Bf4) 20... Na5 21. Rab1 Nc4 22. Qc1 Be7 23. Be2 Nd6 24. Bd3 Nc4 25. g3 (25. Re1) 25... Bd6 26. Bg5 Qc7 27. Kg2 Qd7 (27... b5 $15) 28. Bf4 Rc6 (28... e5 {Komodo13}) 29. Bxd6 Nxd6 30. Qd2 Rec8 31. Qg5 ( 31. Qe2) 31... Qd8 32. h4 Qf6 33. f4 Nf5 34. h5 (34. Rbe1) 34... Qxg5 35. fxg5 Ne3+ 36. Kf3 Nxf1 37. Rxf1 gxh5 38. Rh1 g6 39. g4 hxg4+ 40. Kxg4 Kg7 41. Rc1 Rh8 42. c4 dxc4 43. Rxc4 Rxc4 44. Bxc4 Rh2 45. b4 Rd2 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "1.9"] [White "Francis, Matthew"] [Black "Reynolds, Mark"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "1664"] [BlackElo "1200"] [Annotator "kemen"] [PlyCount "94"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,10,32,13,41,38,32,32,26,26,37,33,35]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 (4... Bd6) (4... Nf6) 5. Bd3 (5. Bb5 {main}) 5... h6 {uncommon} ( 5... Bd6) (5... Bg4) 6. O-O Bd6 (6... Nf6) 7. Re1+ (7. c3 {transposes to 24 games} Qf6 {then scoring well for Bl; 3 Wh wins, 2 draws, 11 Bl wins}) 7... Nge7 8. Nc3 (8. c3 {back to main, 14 games}) (8. h3 {1 Wh win,1 draw,4 Bl wins} ) 8... O-O 9. Nb5 (9. Ne5 Nxd4 10. Qh5 Bf5 11. Rb1 Bxd3 12. cxd3 Bxe5 13. Qxe5 Ne6 14. Qg3 c6 15. Bxh6 Nf5 16. Qh3 Nxh6 {Balkan-Guefen,GER ch tm U20,2004,0-1}) 9... Bb4 (9... Bf5 {Komodo13- so that Wh is not gaining the 2 Bs with his N sequence}) 10. c3 Ba5 (10... a6 11. cxb4 axb5 12. Bd2 Qd6 13. a3 Bg4 14. Bc3 Nf5 15. Qc2 Bxf3 16. Bxf5 Bh5 17. Qd3 {Komodo13}) 11. b4 Bb6 12. a4 (12. Na3 Ng6 13. Nc2 Re8 14. Rxe8+ Qxe8 15. g3 Nce7 16. Ne3 c6 17. a4 Bc7 18. Qc2 Bh3 {Komodo13}) 12... a5 13. Ba3 (13. bxa5 Bxa5 14. Nh4 Bd7 15. Qf3 {Komodo13}) 13... Re8 (13... axb4 14. cxb4 Bg4 15. Bc2 Re8 16. a5 Bxf3 17. gxf3 Ba7 18. Qd3 g6 19. Ba4 Bb8 20. Nc3 Kh7 21. Rac1 Qd6 {Komodo13}) 14. bxa5 Nxa5 15. Bb4 Be6 (15... Bg4) 16. Ne5 Nec6 17. Ba3 Nxe5 18. Rxe5 Nc4 (18... Qf6 {Komodo13}) 19. Bxc4 dxc4 20. Qf3 (20. Bc5) 20... Qc8 (20... Rxa4 {Komodo13} 21. Qxb7 Bd7 22. Rd5 (22. Rxe8+ Qxe8 23. Nxc7 Rxa3) 22... Ra5 23. h3 Rxb5) 21. Bb4 Ba5 (21... Bd7 22. Rxe8+ Qxe8 23. Qd1 Ra6 24. Qf1 Qa8 25. Qxc4 Rxa4 26. Rxa4 Qxa4 27. Na3 Be6 {Komodo13}) 22. Bxa5 Rxa5 23. Nd6 {a neat move that picks up an exchange?} (23. h3 b6 24. Rae1 Rf8 25. Qc6 Rxa4 26. Qxc7 Qxc7 27. Nxc7 Ra3 28. R1e3 Rb3 29. g4 Rb2 30. Kg2 {Komodo13}) 23... cxd6 (23... Rxe5 {Komodo13- holds the line} 24. Nxc8 (24. Nxe8 Bd5) 24... Bg4 25. dxe5 {other moves lose} Bxf3 26. gxf3 Rxc8 27. a5 Ra8) 24. Rxa5 d5 25. Rb5 Qd7 26. h3 Ra8 27. Rb4 Qc6 28. Qd1 Bd7 29. Rab1 Qg6 30. Kh1 (30. Rxb7 {Komodo13} Bxa4 (30... Bxh3 31. Qf3 Be6 32. Ra1) 31. Qg4) 30... Bxa4 31. Qf3 Bc2 (31... Bc6) 32. Re1 Be4 33. Qg3 {not the best} (33. Qg4) 33... Qc6 (33... Qxg3 34. fxg3 Ra2 35. Rxb7 Bxg2+ 36. Kg1 (36. Kh2 Be4+ 37. Kg1 Rg2+ 38. Kf1 Rxg3) 36... Be4 ( 36... Bxh3 37. Re8+ Kh7 38. Rxf7 Rg2+ 39. Kh1 Rxg3 40. Kh2 Rxc3 41. Ree7 Kg6 42. Rxg7+ Kf5 43. Rg3 Rxg3 44. Kxg3 Kf6 45. Re5 Be6 46. Kf4) 37. Re3 Ra1+ 38. Kf2 Ra2+ 39. Re2 Ra3 40. Re3 Ra2+ {Komodo13}) 34. f3 Bg6 35. Qe5 ( 35. Re7 b5 36. Kh2 {Komodo13}) 35... Kh7 36. Qe7 b5 (36... b6) 37. Re3 (37. Qc5) 37... h5 (37... Ra2) 38. g4 {leaves the K side wide open} (38. Kh2) 38... hxg4 (38... Ra2 39. Re2 Ra3 40. Re3 (40. Qe3 Bd3 41. Reb2 Rxc3 42. Rxb5 Ra3)) 39. Qh4+ Kg8 40. hxg4 Ra1+ 41. Kh2 {walking into checks} ( 41. Kg2 Ra2+ 42. Kg1 f6 (42... Ra1+ 43. Re1) 43. Qg3 Qb7 44. g5 fxg5 45. Qxg5 Kh7 46. Re7 {Komodo13}) 41... Qd6+ 42. Kg2 Ra2+ 43. Kf1 {and into another} (43. Kg1 Qb8 44. g5 Bd3 45. Re1 Rc2 46. Rbb1 Be2 (46... Rxc3 47. Rb2 Rc2 48. Rxc2 Bxc2 49. Re2 Bh7 50. Rh2) 47. Qg4 g6 48. Ra1 {Komodo13 }) (43. Kg1) 43... Bd3+ (43... f6 {wins, according to Komodo13 as now the Wh Q is in peril as well as the K} 44. Rb1 Rh2 45. Re6 (45. Qe1 Rh1+) 45... Qf4 (45... Qxe6 46. Qxh2 Bxb1 {also wins}) 46. Qxh2 {there is nothing better } Qxh2 47. Rbe1 Bd3+ 48. R1e2 Bxe2+ 49. Rxe2 Qh1+ 50. Kf2 Kf7 (50... Qc1 $19 {also})) 44. Ke1 (44. Kg1 Ra1+ 45. Kg2 Ra2+) 44... Ra1+ (44... f6 { still wins, but not as easily} 45. f4 Ra1+ (45... Qxf4 46. Re8+ Kf7 47. Qh5+ Bg6 48. Qxd5+ Kxe8 49. Qxb5+ Kf8 50. Qc5+ Kg8 51. Qxc4+ Bf7 52. Qc8+ Kh7 53. Qf5+ Qxf5 54. gxf5 Rc2 55. Rb7 Ba2 56. Rc7 Kh6) 46. Kd2 Qxf4 47. Qg3 Ra2+ 48. Kc1 Qf1+ 49. Re1 Ra1+ 50. Kd2 Rxe1 51. Qxe1 Qg2+ 52. Ke3 Qh3+ 53. Kd2 Qh2+ 54. Ke3 Qh6+ 55. g5 (55. Kf3 Qh3+ {Bl has fun while the Wh R is stranded on the wrong side of the board} 56. Qg3 Qh1+ 57. Ke3 Qc1+ 58. Kf3 Qc2 59. Qf2 Be4+ 60. Kg3 Qxc3+ 61. Kh2 Qxb4 {Komodo13}) 55... fxg5 56. Qg3 g4+ 57. Kf2 (57. Qf4 Qh3+ 58. Kf2 g3+ 59. Qxg3 Qf1+ 60. Ke3 Qe2+ 61. Kf4 Qe4+ 62. Kg5 Qf5+ 63. Kh4 Qh7+ 64. Kg5 Qh6+ 65. Kg4 Be2+ {picks up the Q , then the K soon after}) 57... Qd2+ 58. Kg1 Qc1+ 59. Kh2 Be4 60. Qb8+ Kh7 61. Rxb5 Qd2+ 62. Kg3 Qg2+ 63. Kh4 Qh3+ 64. Kg5 g3 {queening soon, while the heavy forces of Wh are far away on the Q side}) 45. Kd2 {this should even lose} (45. Kf2 {draws}) 45... Ra2+ 46. Ke1 (46. Kd1 {best, when the human has to find the paradoxical Engine sequence to win} Ra8 47. g5 (47. Rxd3 {doesn't save the game either} cxd3 48. Rb1 Re8 (48... Ra2) (48... Qa6)) 47... Qa6 48. Ke1 Qa1+ 49. Kf2 Qxc3 { and all Wh's major pieces are unable to hold the game together!}) 46... Ra1+ ( 46... f6 {nets the Q, as in an earlier note} 47. Re8+ Kf7 48. Qh5+ Bg6) 47. Kd2 Ra2+ 1/2-1/2 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.1"] [White "Williams, R Gareth"] [Black "Heap, Gerry"] [Result "0-1"] [ECO "A45"] [WhiteElo "1678"] [BlackElo "2160"] [Annotator "kemen"] [PlyCount "150"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] 1. d4 Nf6 2. Nc3 c5 3. dxc5 (3. d5) 3... e6 4. Bf4 (4. e4) (4. Nf3) (4. Bg5) 4... Bxc5 5. Bd6 (5. e3) (5. Nf3) 5... Qb6 (5... Qa5 {comes to the same}) 6. Bxc5 Qxc5 7. Nf3 (7. e3 d5 (7... Nc6 8. Bd3 Ne5 9. Nge2 Qb4 10. Rb1 a6 11. Nd4 b5 12. O-O Bb7 {Kubiniok-Kusak, Karvina op 2015,1-0}) 8. Nf3 Bd7 9. Bd3 O-O 10. O-O {Boldyref-Burger, Canarias en Red blitz 2004,0-1}) (7. e4 b6 8. Bd3 Bb7 9. Nf3 d5 10. exd5 Nxd5 11. Bb5+ Nc6 12. Nxd5 O-O-O 13. Nxb6+ Qxb6 14. Qe2 $16 {Nebilitsin-Petenev,Capital of Sibiria op, Novosibirsk 2002,1-0}) (7. Qd2 d5 8. e3 O-O 9. Nf3 Nc6 10. O-O-O Rb8 11. Rg1 b5 {Menon-Real de Azua, FAOGBA ch, Moron 2004,1/2-1/2}) 7... b6 8. Qd4 Qxd4 9. Nxd4 a6 (9... Ke7 $11) (9... d5) 10. f3 (10. Na4 Ke7 (10... b5 11. Nb6 Ra7 12. Nxc8 Rc7 13. Nd6+ Ke7 14. O-O-O) 11. Nxb6 {wins a useful pawn}) 10... d5 11. Kf2 Bb7 12. a4 Nbd7 13. a5 b5 14. e3 O-O 15. Be2 Rac8 16. Rac1 {it's a strange kind of almost Sicilian} Ne5 17. Rhd1 Nc4 18. Bxc4 Rxc4 19. Nce2 Rfc8 20. b3 R4c7 21. c3 g6 22. Nc2 Nd7 23. b4 (23. Nb4 {Bl has a very bad B}) 23... Ne5 (23... e5 24. g4 Nf8 25. Na1 Ne6 26. Nb3 f6 27. h4 {Komodo13}) 24. Na3 (24. Na1 Kg7 25. Nb3 Nd7 26. Nbd4 {Komodo13}) 24... Kg7 (24... Nc4 25. Nxc4 Rxc4 ( 25... dxc4 26. Rd6) 26. f4 {Komodo13}) 25. h3 g5 26. g3 {loosening the K side} h5 (26... d4 27. exd4 Nxf3 28. Nc2 Be4 29. Ne3 h5 {the Bl B has joined in the game} 30. c4 bxc4 31. Nc3 f5 32. Nxe4 fxe4 33. Rc3 Rf7 34. Ke2 Rd7 {Komodo13}) 27. f4 gxf4 28. gxf4 Nd7 29. Nb1 (29. Rg1+ Kf8 30. Nb1 Ke7 31. Nd2 Rh8 32. Rg5 h4 33. Nd4 {Komodo13}) 29... Nf6 30. Ng3 {the wrong N} (30. Nd2 {Komodo13}) 30... h4 31. Ne2 Ne4+ 32. Kf1 Kf6 (32... f5 33. Nd4 Kf6) 33. Rd3 Rg8 34. Nd2 Ng3+ 35. Kf2 (35. Nxg3 Rxg3 36. Kf2 Rxh3) 35... Nxe2 36. Kxe2 Rg3 (36... Rg2+ 37. Ke1 Rh2 38. Nf1 Rxh3 {Komodo13}) 37. Rd4 (37. Nb3 Rxh3 38. Nc5 Rh2+ 39. Kf3 Bc6 40. Rdd1 Rc8 {Komodo13}) 37... Rxh3 38. Nf3 Rc8 39. f5 (39. Ne5) 39... e5 40. Rxh4 Rxh4 41. Nxh4 Rh8 (41... d4 {[%eval 0,0] Komodo13-activates the} 42. exd4 exd4 43. Kd2 dxc3+ 44. Rxc3 Rxc3 45. Kxc3 Kg5 {wins a N}) 42. Nf3 Kxf5 43. Rf1 f6 44. Nd4+ Kg6 45. Rg1+ (45. Ne6 Bc8 46. Nc5 Rh2+ 47. Rf2 Rh1 48. Rf1 Rxf1 49. Kxf1 f5 50. Nb3 $11 {Komodo13- the K & N barricade on the bl squares} Kg5 51. Ke2 f4 52. Nc5 e4 53. exf4+ Kxf4 54. Kf2 e3+ 55. Ke2 Bg4+ 56. Ke1 Ke5 57. Nxa6 d4 58. cxd4+ Kxd4 59. Nc7 Kc4 60. a6 Bf3 61. a7 Kxb4 62. a8=Q Bxa8 63. Nxa8 Kc4 64. Ke2 b4 65. Nb6+ Kd4 66. Na4 b3 67. Nb2 Kc3 68. Nd1+ {Komodo13}) 45... Kf7 46. Nf5 (46. Nb3 Rh2+ {Wh can't offer a R swap as in the above N} 47. Kf1 Bc8 48. Nc5 e4 49. Ke1 Rc2) 46... Bc8 47. Nd6+ Ke6 48. Nxc8 Rxc8 49. Kd2 {Komodo13 claims definite plus here, but after 15 moves is no further forward} d4 50. exd4 exd4 51. cxd4 Rc4 52. Re1+ Kd5 53. Rf1 Rxd4+ 54. Kc3 {looks natural, but given as losing by Komodo13} (54. Ke3 {worth a try, as} Rxb4 (54... Re4+ 55. Kd3 Ke5 (55... Rxb4 56. Rxf6 Rd4+ 57. Kc3 Rc4+ 58. Kd3 Rc6 59. Rf5+ {draws}) 56. Rxf6 $11) 55. Rxf6 Re4+ 56. Kd3 Re6 57. Rf5+ {draws- all variations checked with Lomonosov tablebases}) 54... Rc4+ (54... Ke5 55. Rg1 Rc4+ 56. Kd3 (56. Kb3 f5) 56... Rxb4) 55. Kb3 (55. Kd3 {gets back to variations above}) 55... Ke5 56. Re1+ Re4 57. Rc1 Kf5 (57... f5 {Komodo13-Bl needs the extra space to help the pawn forward with his K}) 58. Rf1+ (58. Rc8 Re6 59. Kc3 Rd6 $19) 58... Ke5 59. Rc1 Re3+ (59... f5) 60. Kb2 Kd5 61. Rf1 (61. Rd1+ Ke6 62. Rd8 Kf7 63. Kc2 f5 64. Kd2 Re8 65. Rd3 Re6 66. Rf3 Kf6 {Komodo13}) 61... Re6 (61... Ke6) 62. Kb3 (62. Kc3 Rd6 63. Kd3 Ke5+ 64. Ke3 f5 65. Rh1 f4+ 66. Kf3 Rd3+ 67. Kf2 Kd5 68. Rc1 Rb3 69. Rc5+ Kd4 70. Rf5 Rxb4 71. Rxf4+ Kc3 { Komodo13-the Bl K has crossed over}) 62... Rc6 63. Rd1+ Ke4 64. Re1+ Kd3 65. Rf1 Re6 66. Rf5 Ke4 67. Rf1 f5 68. Re1+ Kd5 69. Rd1+ Ke5 70. Re1+ Kf6 71. Rf1 Re4 (71... Rc6 {Komodo13-cuts the Wh K off} 72. Rf2 Ke5 73. Re2+ Kd5 {so the Bl K can escort the pawn forward} 74. Rd2+ Ke4 75. Re2+ Kd3 76. Re8 f4 77. Rf8 Ke3 {followed by a Lucena position}) 72. Rc1 f4 73. Rc6+ Ke5 (73... Re6 74. Rc5 Kg6 75. Rd5 f3 76. Rd1 Kf5) 74. Rc5+ (74. Rxa6 {could be tried} f3 75. Ra8 f2 76. Re8+ Kf4 77. Rf8+ Kg3 78. a6 Re8 79. Rxe8 f1=Q {b Bl mates in 29; Lomonosov }) 74... Kf6 75. Kc3 (75. Rc8 Re6 76. Kc3 Rd6) 75... f3 (75... f3 76. Kd2 f2 77. Rc1 Re1 78. Rxe1 fxe1=Q+ 79. Kxe1 Ke5 80. Kd2 Kd4 {and Bl wins both pawns}) 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "2.2"] [White "Hewitt, William"] [Black "Van Kemenade, J.."] [Result "1-0"] [ECO "B07"] [WhiteElo "2086"] [BlackElo "1732"] [Annotator "kemen"] [PlyCount "45"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 {main} (6... Nbd7) 7. Be3 Nbd7 8. O-O Be7 9. h3 Bxf3 10. Qxf3 O-O 11. Ne2 {main} (11. a3) 11... Rae8 (11... Rfe8) (11... c5) 12. c3 Bd8 {Cloud Engines} 13. a4 (13. b4 Qc7 14. Ng3 exd4 15. cxd4 Nb6 16. a4 Nc8 17. a5 a6 18. Rac1 Qe7 19. Nf5 Qe6 20. e5 {Murshed-Haque, BAN ch, Dhaka 2007,1-0}) (13. g4 h6 (13... d5 {Komodo13, meeting a side attack by a centre response}) 14. Ng3 Bb6 15. Nf5 exd4 16. cxd4 Re6 17. Rf2 Rfe8 18. Bd2 Qa4 19. b3 Qa3 20. Bc1 Qb4 21. Bd2 Qa3 22. e5 { Stamenkovic-Crosa Coll, Vitoria Espirito Sancto op 2006, 1/2-1/2 after 92 moves }) 13... exd4 (13... d5 {Komodo13, a centre opening is the usual response to a side attack, seen by Rudy & concerned Bill} 14. b4 (14. fxe5 dxe4 15. Bxe4 Nxe5 16. dxe5 Qxe5 17. Ng3 Nxe4) 14... dxe4 15. Bxe4 Qc7 (15... Qa6 16. fxe5 (16. Ng3 exd4 17. Bxd4 Bb6) 16... Nxe4 17. Qxe4 Qxe2) 16. Ng3 ( 16. fxe5 Nxe5) 16... exd4 17. Bxd4 Nxe4 18. Nxe4 Be7 {Komodo13}) 14. b4 Qc7 15. cxd4 b6 (15... d5 16. e5 Ne4 17. Bxe4 dxe4 18. Qxe4 Nf6 19. Qd3 Nd5 20. Bd2) 16. Rac1 Qb7 (16... g6 {Fritz16 & Komodo13}) 17. Ng3 (17. e5) 17... Re6 (17... c5 {was worth a try} 18. Rfd1 cxb4 19. Bb5 {Komodo13}) 18. e5 dxe5 19. dxe5 (19. fxe5) 19... Nd5 20. b5 (20. Bd2) 20... Nc5 (20... Nxe3 21. bxc6 (21. Qxe3 cxb5 22. axb5 Nc5 23. Be2 g6 24. Rfd1 Qb8 25. Bg4 Ree8 26. Ne2) 21... Rxc6 22. Rxc6 Nxf1 23. Qe4 f5 24. Nxf5 Rxf5 25. Qd5+ Rf7 26. e6 $18 {Komodo13}) 21. Bxc5 bxc5 22. bxc6 Qb3 (22... Rxc6 23. Qxd5) (22... Qxc6 23. Be4) 23. Bxh7+ 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "2.3"] [White "Van Kemenade, R.."] [Black "Pinch, David"] [Result "0-1"] [ECO "B07"] [WhiteElo "1977"] [BlackElo "1769"] [Annotator "kemen"] [PlyCount "62"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,19,51,-61,-4,-29,53,41,55,38,103,48,35,-3,-9,3,0,0,0,26,32,27]} 1. f4 g6 2. Nf3 d6 3. e4 c5 4. d4 (4. Bc4) (4. Nc3) (4. Bb5+) (4. c3) 4... Bg7 (4... cxd4 5. Qxd4 Nf6 6. e5) 5. c3 Nf6 6. Bd3 O-O 7. O-O cxd4 8. cxd4 Nc6 9. Nc3 Bg4 10. Be3 {main} (10. d5 Nd4 11. Be2) 10... Nd7 (10... e5 {main}) 11. d5 (11. e5 $14 {pm analysis; 2 Wh wins, 2 draws}) (11. Be2 {2 draws, 1 Bl win}) 11... Nd4 12. Qd2 Nxf3+ 13. gxf3 Bh3 14. Rfc1 Nc5 15. Bc4 {the wrong square for the B } (15. Be2 {retrospect}) (15. Bc2 {Komodo13}) 15... a6 16. b4 Nd7 17. Qf2 { intent on own ideas, overlooking opponent possibilities} (17. Rab1 { Komodo13}) (17. Be2) (17. Kh1 Rc8 18. Bb3 {Komodo13}) 17... Rc8 18. Bd4 (18. Bd3 Bxc3 19. Qg3 Bxa1 20. Rxa1 e5 21. Qxh3 exf4 22. Bd4 Ne5 { Komodo13- givenas the best line for Bl}) 18... Rxc4 (18... Bxd4 19. Qxd4 Rxc4 $19 {Komodo13; as} 20. Qxc4 Qb6+ 21. Kh1 Qf2 22. Qf1 {is the only way to prevent mate.}) 19. Bxg7 Kxg7 20. Qg3 (20. Nd1 Rxb4 21. Qe3 Qb6 { Komodo13-again Wh's best try here}) 20... Qb6+ 21. Kh1 Qxb4 (21... Qe3 22. Qxh3 Rxc3 {Bl is on the c1 R , so Wh has no time for Qxd7} 23. Rxc3 Qxc3 { is not much better}) 22. Qxh3 Rxc3 (22... Nc5 23. Ne2 Rxc1+ 24. Rxc1 Nd3 25. Rf1 Qb2 26. Qg2 Rc8 {Komodo13}) 23. Qxd7 Rfc8 (23... Rxf3 24. Qxe7 Rxf4 25. Rab1 Qd4 {Komodo13}) 24. Rcb1 Qa5 (24... Qd4 {expected by Wh, best} 25. Qh3 Rc2 26. Re1 R8c3 27. Rad1 Qf2 28. Rf1 Qe2 29. Rde1 Qd2 30. Rd1 Qxf4) (24... Qc5 {originally intended by Bl. saves a tempo on the game}) 25. Qxe7 { Wh began to feel there were some chances of counterplay here.} Qc5 (25... Rxf3 26. Qxd6 Re8 27. e5 Rxf4 28. e6 Rf5 29. exf7 Rf8 {Komodo13}) 26. Rxb7 { after some calculation, that Wh then promptly deviated from} Rc1+ 27. Rxc1 ( 27. Kg2 {was the intended, when Wh had seen a perpetual by Bl} Qg1+ (27... Rxa1 $2 28. Qxf7+ Kh6 29. Qxh7#) (27... Rc2+ {Komodo13, keeps an advantage for Bl, though not the winning one there was earlier.} 28. Kh1 (28. Kh3 Rf8 {leaves Wh in terrible trouble- the Q must come to K side to prevent mates. but then a Qc8 ch picks up a R on b7}) 28... Rf8 29. Qg5 Qc3 30. Rf1 Rxa2 31. f5 Rc8 { Komodo13}) 28. Kh3 Qf1+ 29. Kg3 {other moves lead to mate} Qg1+ 30. Kh3 Rf8 31. Rxc1 Qxc1 32. Qxd6 Qf1+ 33. Kg3 Qg1+) 27... Qxc1+ 28. Kg2 Rc2+ 29. Kh3 Qf1+ 30. Kh4 Rxh2+ 31. Kg5 Qg2# 0-1 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.4"] [White "Buttell, David"] [Black "Bates, Toby"] [Result "1-0"] [ECO "D08"] [WhiteElo "1874"] [BlackElo "1119"] [Annotator "kemen"] [PlyCount "33"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,33,18,30,19,-10,41,23,43,43,24,16,71,36,82,72,58,61,59,58,46,9,60,63, 66,60,59,1,93,93,216,202,29997,29998,29999,-30000]} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. g3 (6. e3) 6... Bc5 7. Bg2 Nge7 8. O-O Be6 (8... O-O) 9. b3 (9. Nbd2 {main}) 9... O-O (9... Qd7 {looks the followup to the previous move} 10. Bb2 Rd8 11. Nbd2 Bf5 12. b4 axb4 13. Nb3 b6 14. axb4 Bxb4 15. Nbxd4 O-O 16. Qb3 Bc5 17. Rfd1 Na5 18. Qc3 Be6 19. Qc2 {Blanco Gramajo-Quintana GUA ch Mayor 1991,1-0}) 10. Bb2 Qd7 (10... Ng6) 11. Nbd2 Rad8 (11... Ng6) 12. Ne4 Ba7 13. Qd2 Bh3 (13... Rfe8 14. Nfg5 (14. Nf6+ gxf6 15. exf6 Nf5 16. g4 Ne3 17. fxe3 d3 18. Kh1 dxe2 19. Qxe2 Qd3 20. Qf2 Bxe3 21. Qh4 Qg6 22. Rae1 {Stockfish10}) 14... Bf5 15. Nf6+ gxf6 16. exf6 Ng6 17. Bd5 Re5 18. Nxf7 Rxd5 19. Nxd8 Re5 20. f7+ Kg7 21. Nxc6 Qxc6 22. f4 Re6 {Stockfish10}) (13... Kh8 14. Rfd1 {Stockfish10}) 14. Nf6+ gxf6 15. exf6 Ng6 (15... Qg4) 16. Qh6 Bxg2 17. Qg7# 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.5"] [White "Reynolds, Mark"] [Black "Gunn, Tom"] [Result "0-1"] [ECO "B33"] [WhiteElo "1200"] [BlackElo "1400"] [Annotator "kemen"] [PlyCount "70"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,70,19,36,46,40,51,2,39,13,22,26,7,9,9,-10,12,9,17,-26,-17,-30,-51,-59, -26,-39,-43,-92,-39,-185,-77,-127,-127,-113,-102,-128,-128,-138,-133,-133,-123, -157,-156,-175,-126,-525,-567,-901,-926,-926,-939,-1262,-1266,-1257,-1289, -1325,-1332,-1354,-1389,-1492,-1508,-2196,-1849,-2178,-2240,-29989,-29990, -29991,-29992,-29995,-29996,-29997,-29998]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 {the Kalashnikov, a relative of the Sveshnikov} 5. Nxc6 {this strengthens Bl's centre plus giving a useful b file} (5. Nb5) (5. Nb3) (5. Nf3 {main lines}) 5... bxc6 6. Nc3 Nf6 7. Bd3 (7. Bc4 {is more active}) 7... d5 { scores better} (7... Bb4) (7... Be7 {main lines}) 8. exd5 cxd5 9. h3 (9. O-O) (9. Bb5+) (9. Bg5) 9... Bb4 10. Bd2 (10. O-O) 10... O-O 11. Qe2 d4 ( 11... Qb6 12. O-O e4 13. Bb5 Rb8 {Komodo13}) 12. Ne4 Bxd2+ 13. Qxd2 Bb7 14. f3 (14. Nxf6+ Qxf6 15. f3 {Komodo13}) 14... Nd5 (14... Nxe4 15. fxe4 Bxe4 $19 {Komodo13} 16. Bxe4 Qh4+ 17. Qf2 Qxe4+ 18. Qe2 Qd5) 15. O-O-O (15. O-O {is safer- there are several open files for Bl to use on the Q side}) 15... Ne3 (15... Qb6) (15... Rb8) (15... Rc8) 16. Rde1 Qc7 (16... Qb6 { is stronger}) 17. g4 (17. Rxe3 dxe3 18. Qxe3) 17... Rac8 18. Rxe3 dxe3 19. Qxe3 Ba6 20. Rh2 Bxd3 (20... Qa5) 21. Qxd3 Rb8 22. h4 {too slow- Wh has yet to create an open file against the K; Bl has several} Qb6 {threatening to pick up a R, so Wh has no time on the Q side} 23. Nf2 Qxb2+ 24. Kd1 Rfd8 25. Qxd8+ Rxd8+ 26. Nd3 Rxd3+ 27. Rd2 Rxd2+ 28. Kxd2 Qxa2 29. Kd3 Qd5+ 30. Ke3 Qd4+ 31. Ke2 a5 32. Kf1 Qd2 33. c4 a4 34. c5 a3 35. c6 a2 0-1 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.6"] [White "Haigh, A.."] [Black "Leah, Howard"] [Result "1-0"] [ECO "B06"] [WhiteElo "1767"] [BlackElo "1570"] [Annotator "kemen"] [PlyCount "75"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,75,19,31,54,61,75,64,114,109,96,84,83,73,86,92,180,117,133,60,76,67, 177,195,194,182,182,182,186,186,230,203,173,170,165,165,176,105,117,106,99,110, 109,113,132,122,177,195,196,194,191,199,213,212,206,214,220,203,241,213,214, 214,284,287,317,355,357,357,357,333,344,325,326,352,371,381,417,416]} 1. d4 d6 2. e4 Nd7 3. Nc3 g6 4. Nf3 Bg7 5. Be3 e5 (5... a6) (5... Ngf6) 6. Bc4 Ngf6 7. Qd2 h6 (7... O-O {transposes to main 17 games}) 8. h3 c6 9. O-O (9. O-O-O b5 10. dxe5 dxe5 11. Bxf7+ (11. Bb3 b4 12. Nxe5) 11... Kxf7 12. Qd6 (12. Nxe5+) 12... Bb7 13. Nxe5+ Nxe5 14. Qxe5 Qe7 15. Qxe7+ Kxe7 { Friedrich-Hofmann, Forchheim DWZ op 2002,1/2-1/2}) 9... b5 10. dxe5 Nxe5 (10... dxe5 11. Bb3) 11. Nxe5 dxe5 12. Qxd8+ Kxd8 13. Bxf7 g5 14. f3 Ke7 15. Bb3 Be6 16. Rfd1 a5 17. Bxe6 Kxe6 18. Rd2 Rhd8 19. Rad1 (19. Rxd8 Rxd8 20. a4 $18 {Komodo13}) 19... Rxd2 20. Rxd2 Bf8 21. Ne2 Nd7 22. Ng3 Bc5 23. Bxc5 Nxc5 24. Nf5 Nb7 25. Nxh6 Rd8 26. Rxd8 Nxd8 27. Kf2 {Wh is 2 clear pawns up on the K side} Kf6 28. Ke2 Kg6 29. Nf5 (29. Ng4) 29... Kf6 30. Ne3 Ne6 31. Ng4+ Kg7 32. Nxe5 {3 pawns} Nd4+ 33. Kd3 c5 34. c3 Ne6 35. g3 Kf6 36. Ng4+ Ke7 37. Ke3 Kd6 38. h4 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.7"] [White "Hammett, Scott"] [Black "Francis, Matthew"] [Result "1-0"] [ECO "A43"] [WhiteElo "1611"] [BlackElo "1664"] [Annotator "kemen"] [PlyCount "73"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,73,16,5,42,-4,51,18,25,-49,33,4,327,281,284,292,296,290,315,304,301, 292,296,292,291,245,255,266,266,286,271,271,269,291,291,283,312,290,304,324, 335,335,344,355,405,394,413,379,393,394,411,386,390,402,402,394,384,384,457, 426,473,473,701,328,328,332,332,350,350,350,350,363,367,434,452,428]} 1. d4 e6 2. e3 c5 3. c3 d5 4. f4 (4. Bd3) 4... b6 (4... Nf6) (4... Nc6) 5. Nf3 Ba6 $2 6. Bxa6 Nxa6 7. Qa4+ {2 days later Scott won with a similar sequence against Jan Piotrowski in the Dyfed League.} Qd7 8. Qxa6 f6 9. O-O Bd6 10. Qe2 (10. c4) 10... Ne7 11. Nbd2 (11. e4) 11... O-O 12. c4 Rac8 13. b3 cxd4 14. Nxd4 e5 15. Nb5 (15. fxe5 Bxe5 16. Ba3) 15... Bc5 16. Ba3 Bxa3 17. Nxa3 d4 18. fxe5 fxe5 19. exd4 Qxd4+ 20. Kh1 Ng6 21. Nc2 Qd6 22. Ne4 Qe7 23. Rad1 {Bl is just a piece down} Nf4 24. Qe1 (24. Qg4) 24... Qb7 25. Rxf4 (25. Nb4 {also}) 25... exf4 26. Nd6 Qd7 27. Nxc8 Qxc8 28. Nd4 Kh8 29. Nf3 Qf5 30. Qe7 h6 31. Rd8 (31. Nh4 Qf6 32. Qxf8+ {Komodo13}) 31... Qb1+ 32. Ng1 Rxd8 33. Qxd8+ Kh7 34. Qd2 Qe4 35. h3 Qb1 36. Kh2 Qe4 37. Nf3 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.8"] [White "Brewer, Ben"] [Black "Orton, Paul"] [Result "1-0"] [ECO "E16"] [WhiteElo "1573"] [BlackElo "1584"] [Annotator "kemen"] [PlyCount "79"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,79,19,31,25,27,24,14,11,12,23,36,10,7,51,21,50,35,96,86,112,63,62,50, 74,24,45,40,32,39,39,-14,-16,-16,-24,-34,-14,-17,-8,-29,14,1,-2,18,17,-2,130, 111,88,-96,-46,-89,62,56,275,272,270,284,307,112,99,89,113,-102,-33,-162,188, 200,234,239,229,170,260,218,250,262,262,264,462,454,488,498]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b6 {a little early} (4... Be7 {main}) 5. O-O Bb7 6. c4 Bd6 ( 6... Be7 {main}) 7. Nc3 a6 8. Bg5 (8. Ne5) (8. cxd5) (8. e4 {Houdini3}) 8... O-O (8... dxc4 9. e4) 9. cxd5 (9. Ne5 {but 1-3 as played}) 9... exd5 10. Qb3 (10. Ne5 {5 Wh wins, 3 draws}) (10. Nh4 {Cloud Engines; 3 Wh wins, 2 draws, 1 Bl win}) 10... Be7 11. Ne5 c6 {5 Wh wins,2 draws; though none of them played the (cautious) text; not the move backed by the Cloud Engines} 12. e3 (12. e4 {Cloud Engines}) 12... Nbd7 13. Bxf6 Nxf6 14. Na4 b5 15. Nc5 (15. Rfc1 {keeps the hole on c5}) 15... Bxc5 16. dxc5 Qe7 $11 17. Nd3 Ne4 18. Qc2 Bc8 19. b4 Qg5 (19... Bf5 20. a4 h5 {Komodo13}) 20. a4 (20. f4 Qf5 21. Ne5 {Komodo13}) 20... Bf5 21. Ra3 a5 (21... Rfe8 { looks better, keeping Bl's solid position on the Q side}) (21... h5) 22. Qb2 ( 22. axb5 axb4 23. Rxa8 Rxa8 24. Qb2 Qf6 25. Qxb4 Nc3 26. Nf4 Nxb5 27. Nxd5 {Komodo13- Wh has won a pawn & exposed the c6 pawn}) 22... Qf6 (22... bxa4) 23. Qxf6 Nxf6 24. Ne5 {this way Wh drops a pawn, rather than the other way round } (24. axb5 Bxd3 25. Rxd3 axb4 26. bxc6 Rfc8 27. Bxd5 Nxd5 28. Rxd5 g6 29. Rb1 $16 {Komodo13-Bl is struggling a little with the Q side dissolution}) 24... axb4 25. Rb3 Rxa4 (25... bxa4 26. Rxb4 Rfc8 27. Ra1 a3 {and Bl has a dangerous passed pawn}) 26. Nxc6 Ne4 (26... Bc2 27. Rxb4 Rfa8 28. Rd4 Kf8 {Komodo13}) 27. Ne7+ Kh8 28. Nxf5 Nd2 (28... Nxc5) 29. Rfb1 Nxb3 30. Rxb3 Rc8 31. Ne7 (31. Bf3) 31... Rxc5 (31... Ra1+ 32. Bf1 Rxc5 33. Rxb4 g6 34. Kg2 Ra7 {the N is trapped} 35. Nxd5 Rxd5 36. Bxb5 Rb7 37. Bc6 Rxb4 38. Bxd5 Kg7 {Komodo13- Wh has some drawing chances}) 32. Bxd5 (32. h4) 32... Rc7 (32... Ra7 {2 Wh pieces attacked}) 33. Nc6 {Bl will lose both Q side pawns} Ra1+ 34. Kg2 Rc1 35. Nxb4 Kg8 36. e4 Rd1 37. Nc6 Kf8 38. Rxb5 Rc8 39. Rb7 Rc1 (39... f6 40. Rf7+ Ke8 41. Rxg7) 40. Rxf7+ 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "2.9"] [White "Brewer, Joshua"] [Black "Greenwood, Ray"] [Result "1-0"] [ECO "E05"] [WhiteElo "1488"] [BlackElo "1315"] [Annotator "kemen"] [PlyCount "99"] [EventDate "2019.11.23"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,99,19,31,32,-10,0,0,-3,-30,3,-11,14,24,2,-13,-15,-15,31,-13,37,17,41, 44,52,49,185,67,65,63,95,89,100,90,323,327,327,309,308,319,331,350,309,316,371, 353,490,585,551,314,313,313,320,299,324,298,307,284,332,284,335,298,307,283, 345,303,340,295,282,264,256,236,244,140,145,48,40,40,40,-24,0,-67,-75,-75,-75, -71,0,0,450,478,482,485,644,638,658,665,1778,1915,2196,2297,2188,2266]} 1. d4 d5 2. c4 e6 3. Nf3 Nc6 {this does obstruct the c pawn, which Bl often needs to get to c5 to challenge Wh's d4 control of the centre. It has though been played by some GMs, just to have an unorthodox position on the board, avoiding the prepared theory of other lines} (3... Nf6) (3... c6 {main lines}) 4. g3 (4. Nc3 Nf6 5. Bg5 h6 (5... Be7 6. e3 Ne4 7. Bxe7 Nxe7 8. Nxe4 dxe4 9. Ng5 O-O 10. Nxe4 {[%eval 0,0] Brewer-Greenwood,Dyfed League 2019,1-0}) 6. Bh4 dxc4 7. e3 g5 8. Bg3 Bb4 9. Bxc4 Ne4 10. Qc2 Nxg3 11. fxg3 Qe7 {McEwan-Greenwood, Dyfed League 2016, 1-0}) (4. cxd5 Qxd5 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8. e3 O-O 9. c4 Qd8 10. Bd3 Ne7 11. O-O Ng6 {J Jones-Greenwood, Dyfed Major 2019,1-0}) 4... Nf6 5. Nc3 {it's become a version of the Catalan, where Nc6 is played quite frequently} Be7 6. Bg2 O-O 7. O-O dxc4 8. e3 {180 games} (8. e4 {135 games}) 8... Re8 (8... Rb8 {main}) (8... Bd6) (8... Nd5) (8... Na5) (8... a6 { other moves played}) 9. Qa4 (9. Qe2 {Komodo13}) 9... Bb4 (9... Bf8 10. Qxc4 a6 11. Qa4 h6 12. Re1 (12. Rd1) 12... Nd5 13. Nxd5 exd5 14. Bd2 Bf5 15. a3 Be4 $11 {Kim-Kalininskaya, RUS ch girls U10, Serpukhov 2000,1-0}) (9... Nb4 { Komodo13}) 10. a3 Bd6 (10... Bxc3 11. bxc3 Bd7 12. Qxc4 Na5 13. Qe2 Bc6 { Komodo13}) 11. Qxc4 a6 12. b4 Ne7 (12... e5 {looks logical; Bl has R, B & N all supporting this}) 13. Rd1 (13. e4 {wins a piece}) 13... b5 (13... Ned5) 14. Qe2 Bb7 15. e4 Ng6 16. e5 Be7 (16... Nd5 {Komodo13} 17. Nxd5 exd5 { saves the piece, though Wh keeps the better game because of his pawn structure- Bl has a very backward pawn on c7} 18. Be3 Bf8 19. Rdc1) 17. exf6 Bxf6 18. Ne5 (18. Bb2) 18... Bxg2 19. Kxg2 Qd6 20. Ne4 (20. Bf4 { Komodo13}) 20... Qd5 21. Bb2 Rad8 22. Kg1 Qb7 23. Nxf6+ gxf6 24. Nxg6 (24. Ng4) 24... fxg6 25. Qc2 Kg7 26. Qc3 (26. Rac1) 26... Rd5 27. Rd3 Red8 28. Rad1 ( 28. Rc1) 28... Rf5 29. Bc1 (29. d5 {opens up lines for the B}) 29... Kf7 30. Bf4 c6 31. Rc1 g5 32. Bd2 (32. Be3) 32... Rd6 33. Rf3 (33. Qc2 Rfd5 34. Rc3 Kg7 35. Be3 e5 36. dxe5 Rxe5 37. Rxc6 {Komodo13}) 33... Qd7 34. Rxf5 exf5 35. Qb3+ (35. Qf3 Kg6 36. Be3 Re6 37. Rc5 Rd6 {and it's still difficult to break through, because the Wh B is more like a big pawn}) 35... Kg7 36. Be3 (36. Bc3) 36... f4 37. gxf4 (37. Bd2 Rxd4 38. Bc3 Rd3 39. Re1 Qd5 40. Qb2 Qf5 41. Qc1 h5 42. Bb2 fxg3 43. hxg3 Kg6 44. Re3 (44. Qxc6 Rd2) 44... Rd6 45. Qe1 Qc2 46. Qc3 {Komodo13-and Wh is still not much further forward, even with a more active B than before}) 37... Qg4+ 38. Kf1 gxf4 39. Bd2 (39. Bxf4) 39... f3 40. Bh6+ (40. Be3 f5 41. Qc3 Kg8 {Komodo13}) 40... Kxh6 41. Qe3+ Kh5 42. Rc5+ Kg6 (42... f5) (42... Rd5) 43. Qe8+ Kh6 (43... Kg7 44. Qe7+ Kg6 45. Qe8+) 44. Qf8+ Qg7 45. Rh5+ (45. Qxd6) 45... Kg6 46. Qe8+ Qf7 47. Rh6+ Kg7 48. Rxh7+ Kxh7 49. Qxf7+ Kh6 50. Qf8+ 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.1"] [White "Heap, Gerry"] [Black "Hewitt, William"] [Result "1/2-1/2"] [ECO "A26"] [WhiteElo "2160"] [BlackElo "2086"] [Annotator "kemen"] [PlyCount "34"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,25,24,24,24,2,24,23,23,21,18,-2,25,7,25,-9,-3,-16,5,-8,-13,-8,-8,-18, -18,-18,-21,-33]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Nd2 {2nd main line} (10. b4 axb4 11. axb4 e4 12. dxe4 Nxe4 13. Nxe4 Rxe4 14. Ng5 Rd4 15. Qb3 h6 16. e3 hxg5 17. exd4 Nxd4 $11 {Heap-Hewitt, WCPl rd1 2019, 1-0 (1 month before)}) (10. Bg5 {ist main line }) 10... Nd4 (10... Be6 {main}) 11. b4 axb4 12. axb4 c6 13. b5 (13. e3 { 2 Wh wins, 4 draws,2 Bl wins}) 13... d5 (13... Bd7 {0-3}) 14. bxc6 (14. Bb2 {1 Wh win, 3 draws incl U Andersson-Gligoric Vrbas 1977,1/2-1/2}) 14... bxc6 15. e3 (15. cxd5 cxd5 {2 draws, 3 Bl wins}) 15... Nf5 (15... Ne6 { Komodo13}) (15... Bg4 16. f3 Bf5 17. exd4 Bxd3 18. dxe5 Rxe5 19. f4 Re8 20. cxd5 cxd5 21. f5 Qc7 {Komodo13}) 16. cxd5 (16. e4 dxe4 17. Ndxe4 Nxe4 18. Nxe4 Nd4 19. Bg5 f6 20. Be3 Ra3 21. Rb8 Nf5 22. Bb6 {yet Ortega-Pilarte Castro, Havana 1983,0-1}) (16. Na4 Qa5 (16... Ra7) 17. Nb6 Ra7 18. Nxc8 Rxc8 19. Bb2 Re8 20. Ra1 Qc7 21. Qc2 (21. Rxa7 Qxa7 22. Qa1 {Komodo13}) 21... Rxa1 22. Rxa1 Qb6 23. h3) 16... cxd5 (16... Nxd5 17. Nde4 Ba6 18. Rb3 Rc8 19. Na4 {Wrba-Radilov, ICCF Cup corr 1990,1-0}) 17. e4 dxe4 { (draw?)} 1/2-1/2 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.2"] [White "Pinch, David"] [Black "Buttell, David"] [Result "1/2-1/2"] [ECO "E07"] [WhiteElo "1769"] [BlackElo "1874"] [Annotator "kemen"] [PlyCount "49"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,17,24,24,24,7,7,7,7,-19,-1,19,13,22,13,13,16,6,19,8]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 (4. Nc3) 4... c6 5. Bg2 Be7 6. O-O O-O 7. Nc3 (7. Qc2) 7... Nbd7 8. cxd5 {this exchange in the Catalan theory books is usually delayed until Bl has committed to playing b6 ( but then Wh in Rd1 had lost the c4 pawn early, before fighting to get the pawn back} (8. b3) (8. Qd3) (8. Qc2 {main lines}) 8... exd5 9. Qc2 {this position is more usually reached via the Queen's Gambit exchange variation, done at moves 4-6.} Re8 10. Bf4 (10. Bg5 { saves a move on the game}) 10... Nf8 11. Bg5 (11. Rad1) (11. Ne5 {main lines}) 11... Ne6 (11... Ne4 12. Bxe7 {0-2}) (11... h6 {Komodo13; 0-1}) 12. Bxf6 Bxf6 13. e3 g6 14. b4 (14. Rac1 Ng7 15. Na4 Bf5 16. Qd2 Rb8 17. Nc5 Ne6 18. a3 Be7 19. Nxe6 Bxe6 20. Ne5 f6 21. Nd3 {Doroftei-Bayramova, EU ch girls U12, Herculane 1994,1/2-1/2}) 14... Ng7 (14... Nc7 {Komodo13}) 15. Na4 (15. b5 {Komodo13}) 15... Bf5 16. Qb3 a6 17. Nc5 Qe7 18. a4 b6 ( 18... Ne6) 19. Nd3 Bxd3 (19... c5 20. bxc5 Bxd3 21. Qxd3 bxc5 22. Rab1 c4 23. Qc3 Ne6 24. Nd2 {Komodo13}) 20. Qxd3 Qxb4 {a dangerous bait to take} (20... c5 {previous note}) 21. Rfb1 Qa5 22. Nd2 Ra7 (22... Ne6 23. Qc2 Rac8 24. Nb3 Qb4 25. Nc5 bxc5 26. Rxb4 cxb4 27. Rb1 a5 28. Qd3) (22... Rec8 23. Nb3 Qb4 24. a5 Ne6 25. Nc1 Qe7 26. axb6) 23. Nb3 (23. Qc2 Rc7 24. Nb3 Qb4 25. a5 Rcc8 (25... bxa5 26. Nc5 Qc4 27. Qd2 Bxd4 28. exd4 Qe2 29. Qxa5 $18) 26. Nc5 (26. axb6 Qxb6 27. Nc5 Qd8 28. Rxa6 {is perhaps a more positional line}) 26... bxc5 (26... Qc4 27. Qxc4 dxc4 28. axb6) 27. Rxb4 cxb4 28. Qd3 Ra8 29. Rc1 Rec8 30. Qb3 Rab8 31. Bf1 {Komodo13}) 23... Qb4 24. Nd2 (24. a5 Ne6 25. Qc2 (25. axb6 Qxb6 26. Na5 Qc7 27. Rc1 Qd6 28. Rxc6 ) 25... b5 26. Qxc6 Qe7 27. Qxd5 {Komodo13}) 24... Qa5 25. Nb3 {draw agreed } 1/2-1/2 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.3"] [White "Haigh, A.."] [Black "Van Kemenade, R.."] [Result "1/2-1/2"] [ECO "D20"] [WhiteElo "1767"] [BlackElo "1977"] [Annotator "kemen"] [PlyCount "105"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,10,19,31,19,-16,46,36,33,-70,-86,-86,-15]} 1. d4 d5 2. c4 dxc4 3. e3 ( 3. Nf3) (3. e4) 3... e5 (3... Nf6 4. Bxc4 e6 5. Nf3 {returns to main line}) 4. dxe5 {41% for Wh} (4. Bxc4 {main, 57% for Wh} exd4 5. exd4 {leads to a typical Isolated Queen Pawn game, where Wh has active piece play to compensate.}) 4... Qxd1+ 5. Kxd1 Be6 {regarded as solid by Gufeld 1986:21, yet 58% for Wh} (5... Nc6 6. f4 Be6 {39% for Wh is the accurate move order} (6... f6 {Gufeld; 0-2})) 6. Nd2 b5 (6... Nc6 7. Ngf3 (7. Bxc4 {1 game each}) 7... O-O-O {1'5-0.5}) (6... Nd7 7. Bxc4 Nxe5 8. Bxe6 fxe6 9. Ngf3 {2-0}) 7. a4 (7. b3 c3 8. Ne4 b4 9. Nf3 Nc6 10. Bb5 Bd7 11. Ba4 Rd8 12. Ke2 {Assaubayeva-Arda, Wld ch girls U07 , 2011,1-0}) (7. Ngf3 {Fritz11 SE & Komodo13}) 7... c6 {Houdini3 & Komodo13} ( 7... Nd7 {Deep Fritz14}) 8. axb5 cxb5 9. b3 Nd7 {Houdini4} (9... Bb4 10. bxc4 Bc3 11. Rb1 b4 12. Ne2 Bxd2 13. Bxd2 a5 {Komodo13}) 10. bxc4 b4 {a bit like the Noteboom variation in the Slav, where Bl has 2 passed pawns on the Q side while Wh has a centre.Here Wh has an extra half e pawn} 11. f4 (11. Be2 a5 12. Bf3 Ra6 13. Bb2 a4 14. Ne2 {Komodo13}) 11... a5 12. Ngf3 Nc5 (12... a4) 13. Nd4 Nh6 14. h3 (14. Nb5 Kd7 15. e4 Kc6 16. Bb2 Bd7 17. Be2 {Komodo13}) 14... Nf5 15. Nxf5 Bxf5 16. g4 Bd7 17. Bg2 Ra7 (17... Ra6 {considered, where the R is protected & prevents Bc6/Text considers R might wish to go to d7- though aware of a possible Be3 at some point.}) 18. Ne4 (18. Bb2) 18... Ba4+ ( 18... a4 {Komodo13}) (18... h5 19. g5 a4 {Komodo13}) 19. Ke2 Bb3 ( 19... Bc2 20. Nxc5 Bxc5 21. Kd2 Bb3 (21... b3 22. Ba3) 22. Bd5 { Komodo13}) 20. Nxc5 Bxc5 21. Bd5 (21. Kd3 {Komodo13}) 21... a4 22. Rh2 (22. Kd3 a3 23. Bd2 Ba4 24. Rhb1 b3 25. Bc3 Rd7 26. Bd4 Bb4 27. f5 Ke7 28. g5 Rxd5 29. cxd5 Rc8 30. f6+ gxf6 31. gxf6+ Kf8 32. Ra2 bxa2 33. Rxb4 Bc2+ 34. Ke2 Be4 35. Rb5 a1=Q 36. Bxa1 Rd8 37. d6 Ke8 38. Rc5 a2 39. Rc7 Bd5 40. Re7+ Kf8 41. Ra7 {Komodo13}) 22... a3 (22... O-O 23. Bb2 a3 24. Bd4 Bxd4 25. exd4 Bc2 26. Ke3 b3 27. Rxc2 bxc2 28. Kd2 Rb8 29. Kxc2 Rb2+ 30. Kc3 Rh2 31. c5 Rxh3+ 32. Kb4 Rd3 33. Kc4 {Komodo13}) 23. e4 (23. Kd3 O-O 24. e4 Rb8 25. Be3 Bxe3 26. Kxe3 Bc2 27. Rxc2 b3 28. Rd2 b2 29. Rb1 a2 30. Rbxb2 Ra3+ 31. Ke2 Rxb2 32. Rxb2 g5 33. Rxa2 Rxa2+ 34. Ke3 Ra3+ 35. Kf2 gxf4 {Komodo13}) 23... Bd4 { if the R were on put on a6 at move 16, this would be a simpler win of a R} 24. Be3 Bxa1 25. Bxa7 a2 26. Kd3 Bb2 27. Rh1 a1=Q {in the pm analysis, the players incorrectly had the K on e3, which would have allowed Bc2, cutting the R off from giving itself up for a new Bl Q} (27... Ba4 {would be stronger-Komodo13} 28. Bd4 (28. e6 fxe6 29. Bxe6 b3 30. e5 Bxe5 31. c5 a1=Q 32. Rxa1 Bxa1 33. f5 Bf6) 28... Bc2+ 29. Kxc2 Bxd4 30. c5 a1=Q 31. Rxa1 Bxa1 32. Kb3 Bc3 {Komodo13}) (27... g5 28. fxg5 a1=Q 29. Rxa1 Bxa1 30. e6 (30. c5 Ba4) 30... fxe6 31. Bxe6 Ke7 {Komodo13}) 28. Rxa1 Bxa1 29. c5 Bxd5 $19 {but makes life more difficult for Bl by connecting the pawns} (29... Ba4 { looks best} 30. c6 (30. e6 fxe6 31. Bxe6 b3 32. f5 b2 33. Ba2 Kd7) 30... b3 31. Bc5 b2 32. Ba2 Bxc6 {Komodo13}) (29... Bd1 {also looks good} 30. Bb8 ( 30. Kd2 Ba4) 30... b3 31. c6 b2 32. Ba2 Ba4 33. c7 Kd7 34. e6+ fxe6 35. Bb1 Kc8 36. Kc4 h5 37. g5 Rf8 38. Kb4 Bd7 39. Kc5 Kb7 40. Kd6 Bc8 41. Ke7 Rxf4 { Komodo13}) 30. exd5 g5 31. fxg5 Bxe5 (31... b3 32. c6 Bxe5 33. d6 (33. Be3 Kd8 34. Bb6+ Ke7 35. Bc5+ Bd6 36. Bd4 Rb8 37. Bf6+ Ke8 38. Bb2 Rb4 39. Kc3 Kd8 {Komodo13}) 33... Bxd6 (33... Rg8 34. d7+ Kd8 35. Bb6+ Bc7 36. Bd4 Ke7 37. h4 Rb8 38. Bb2 Kd6 {Komodo13}) 34. Bd4 Rg8 35. h4 Ke7 36. Kc4 Rb8 37. Bb2 Kd8 $19 {Komodo13}) 32. Kc4 Bf4 (32... Kd7 33. Bb6 Ra8) 33. Kxb4 Bxg5 {removes the B from a good diagonal for the sake of a dead pawn} (33... Kd7 34. c6+ Kd6 35. Kc4 Bxg5 36. Bc5+ Kc7 37. Kd4 Re8) 34. c6 (34. Bb8 Ke7 35. Bc7 Kd7 36. Bg3 Ra8 37. c6+ Ke7 38. d6+ Ke6 39. d7 Bd8 {Komodo13}) 34... Bf4 (34... Be7+ {considered} 35. Bc5 Bxc5+ 36. Kxc5 Rg8 {this defence missed} 37. d6 Kd8 38. Kb6 Rg5 {Komodo13}) 35. Bc5 Kd8 (35... h5 36. d6 (36. gxh5 Rxh5 37. Kc4 Rxh3 38. d6 Rh5) 36... hxg4 37. hxg4 Rh6) 36. d6 Bxd6 ( 36... Kc8 37. Kb5 Bxd6 38. Bxd6 Re8) 37. Bxd6 Re8 38. g5 Re3 39. Kc5 Rxh3 40. Be5 (40. c7+ Kd7 41. Kd4 Rh4+ 42. Ke3 Rh5 43. Kf4 Rh1 44. Be5 Rc1 45. Kf5 Rc6 46. Bf4 {but it doesn't look as if Bl can force a win}) 40... h5 (40... Rf3 {pm analysis, when} 41. Bf6+ (41. Kd4 {Komodo13} Rf1 (41... Rf5 42. Ke4 Rxg5 43. Bf6+ Kc7 44. Bxg5 Kxc6) 42. Ke4 Rc1 43. Kd5 Rd1+ 44. Ke4 Kc8 45. Bh2 Re1+ 46. Kf5 Rc1 47. c7 Rc6 48. Bg3 Kd7 49. Be5 Ke7 50. Kf4 (50. Bf6+ Rxf6+ 51. gxf6+ Kd7) 50... Ke6 51. Ke4 Rc4+ 52. Kd3 Rc1 53. Bf4 Rc6 54. Ke4 Rc4+ 55. Kd3 Kd5 56. Be5 Rc6 57. Bf4 {Komodo13, with Bl unable to make any headway}) 41... Rxf6 42. gxf6 Kc7 {because the h pawn lures the Wh K away} 43. Kd5 h5 44. Ke5 Kxc6 45. Kf5 Kd6 46. Kg5 Ke6 47. Kxh5 Kxf6 48. Kg4 Ke5 49. Kf3 Kf5 {is a book win- Bl has the opposition , with his K in front of the pawn (& a spare move)}) (40... Rd3 {Komodo13} 41. c7+ (41. Kc4 Rd2 42. Kc5 Rd1 43. Kc4 Kc8 44. Kc3 (44. Kc5 Rf1 45. Kd6 Rf5 46. Bf6 h6 (46... h5 47. Ke7 h4 48. Kxf7 h3 49. g6 Rxf6+ 50. Kxf6 h2 51. g7 h1=Q 52. g8=Q+ Kc7 53. Qg3+ Kxc6 54. Qc3+) 47. Ke7 hxg5 48. Bc3 g4) 44... Rg1 45. Bf6 Rf1 46. Bg7 Kc7 47. Kd4 Rf5 48. Bh6 Kxc6) 41... Kd7 42. Bd6 Rf3 43. Kd4 Rf5 {and Wh is unable to protect both pawns}) 41. gxh6 Rxh6 {but Nalimov tablebases confirm that this ending is now drawn} 42. c7+ Kd7 43. Kd5 Rh1 44. Ke4 Rf1 45. Bf4 Rf2 (45... Rxf4+ 46. Kxf4 Kxc7 47. Kf5 Kd7 48. Kf6 Ke8 49. Kf5 Ke7 50. Ke5) 46. Kf5 Rc2 47. Be5 Ke8 48. Bd6 Kd7 49. Be5 Rc6 50. Bf4 Ke7 (50... f6 51. Bg3 Ke7 52. Bh4 Rc5+ 53. Kg6 Rxc7 54. Bxf6+) 51. Bg5+ f6 52. c8=Q Rxc8 53. Bxf6+ 1/2-1/2 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.4"] [White "Gunn, Tom"] [Black "Williams, R Gareth"] [Result "0-1"] [ECO "D04"] [WhiteElo "1400"] [BlackElo "1678"] [Annotator "kemen"] [PlyCount "92"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,13,19,31,14,30,28,18,27,-8,-2,0,29,18,39,12]} 1. d4 Nf6 2. Nf3 d5 3. e3 Bg4 (3... e6) (3... Bf5) 4. Bd3 (4. c4 {main, to aim at b7}) 4... e6 5. Nbd2 Nbd7 (5... c5 {more active}) 6. O-O Be7 (6... Bd6) (6... c5 {main lines}) 7. c4 dxc4 {a perfectly logical move, yet it seems not to have been played in this position before- though it's Komodo13 first choice} 8. Bxc4 (8. Nxc4 { alternative, Komodo13}) 8... O-O 9. b3 (9. Qb3 {transposition} Nb6 (9... b6 10. h3 Bf5 11. Nh4 c5 12. Nxf5 exf5 13. Qd3 cxd4 14. exd4 g6 15. Nf3 { Bach-Luong, VIE women ch tm, Ho Chi Minh City 2015,1-0}) (9... Rb8 { Komodo13}) 10. Bd3 Rc8 11. Ne5 c5 {Reuter-Klingel, PF op Mehlingen 1992, 1/ 2-1/2}) 9... Bh5 (9... c5) (9... Rc8) 10. Bb2 a6 11. a4 Nb6 (11... c5) 12. Be2 (12. e4) 12... c5 13. Rc1 (13. Ne5) 13... Rc8 14. Re1 Nbd5 15. dxc5 (15. Ne5) 15... Bxc5 16. Nd4 Bg6 17. Nc4 Bb4 18. Rf1 Re8 19. Ne5 Qe7 (19... Nc3 20. Bxc3 Rxc3 (20... Bxc3 21. Nec6 bxc6 22. Rxc3 c5 23. Nf3 Nd5 24. Rc4) 21. Nec6 (21. Rxc3 Bxc3 22. Nxg6 hxg6 23. Nf3 {Komodo13})) 20. Nxg6 (20. Rxc8 Rxc8 21. Bc4 {Komodo13}) 20... hxg6 21. Nf3 Red8 (21... Nc3 $15) 22. Rxc8 Rxc8 23. Nd4 (23. Qa1 {Komodo13- to bring the R across} Ne4 24. Bd3 Nc5 25. Bc4 Ne4 26. Bd3 Nec3 27. Rc1) 23... Ne4 (23... Nc3) 24. Bc4 (24. Qd3 Nc5 25. Qb1 e5 26. Nf3 e4 27. Nd4 {Komodo13}) 24... Nb6 (24... Nd2 $1 {Komodo13} 25. Bxd5 Nxf1 26. Nxe6 (26. Bxe6 Nxe3 27. Bxf7+ Kxf7 28. Qf3+ Nf5 29. g4 Re8 30. Kg2 Qe4) 26... Nxe3 27. fxe3 fxe6 28. Qg4 Re8 29. Bc4 Qf7 {Komodo13}) 25. Qc2 (25. Nf3 Nxc4 26. bxc4 Rxc4) 25... Nxc4 (25... Nd2) 26. bxc4 Nd6 (26... Nd2) 27. Qb3 Ba5 {not the best} (27... Rxc4) 28. Ba3 Qd7 29. Bxd6 (29. Rc1) (29. c5 Ne4 30. Rc1) 29... Qxd6 30. Rc1 {rather than defend a weak pawn, Wh should trade it} (30. Qxb7 Rxc4 31. g3 Bb4 32. a5 Bxa5 33. Ra1 Qb6 34. Qa8+ (34. Qxb6 {Rudy} Bxb6 35. Rxa6 Bxd4 36. exd4 Rxd4 {with all the pawns on the same side of the board is (mostly) drawn, especially with Bl's pawns doubled}) 34... Kh7 35. Kg2 e5 36. Nf3 f6 37. Qd5 Rc5 38. Qd7 Rc7 39. Qh3+ Kg8 40. Rxa5 Qxa5 41. Qe6+ Kh7 (41... Kf8 42. Nh4) 42. Qh3+ {Komodo13- it takes a bit for a human to work that one out}) 30... Qb4 (30... Bb6 31. Nf3 Bd8 32. Qxb7 Rxc4 33. Rb1 Rxa4 34. g3 {Komodo13- though various humans would happy with the extra pawn}) 31. Qxb4 Bxb4 32. Kf1 Kf8 33. f4 {it's best not to move pawns too soon in endgames ( they leave potential weak squares behind & can't return). It is Ks that are best brought forward rapidly} (33. Ke2) 33... Bd2 34. Rc2 Bxe3 35. Ne2 Ke7 36. g3 b5 {but also not best, as Wh can get out of the pin} (36... g5 {eliminates a doubled pawn liability}) 37. axb5 axb5 38. Rc3 Bb6 39. Rb3 (39. cxb5 {leaves Wh half a pawn up}) 39... Rxc4 40. Rxb5 {now Bl is half a pawn up} Bc7 41. Kf2 f6 42. Ke3 (42. Kf3 {stays on a wh square away from the B}) 42... Rc6 43. Nd4 {attacks R & P but fatal} Bb6 44. Kd3 Rd6 45. Rb4 e5 46. fxe5 fxe5 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.5"] [White "Van Kemenade, J.."] [Black "Hammett, Scott"] [Result "1/2-1/2"] [ECO "C50"] [WhiteElo "1732"] [BlackElo "1610"] [Annotator "kemen"] [PlyCount "46"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 {a line favoured by Gunderam, normally arising via Latvian Gambit line 2...f5} (3... Bc5) (3... Nf6 {main lines}) 4. d3 (4. d4 {main}) 4... h6 (4... Nf6 5. Nc3 Bb4 (5... fxe4 6. dxe4 Bb4 7. O-O Bxc3 8. bxc3 d6 {R Van Kemenade-JD Turner, WLs ch 2019,1/2-1/2})) (4... d6 {main lines}) 5. c3 (5. Nc3 Nf6 {3 Wh wins, 1 draw,4 Bl wins}) 5... Nf6 6. O-O (6. Nh4 Ne7 7. Nd2 (7. O-O g5 8. d4 {Stockfish10}) 7... g5 8. Nhf3 Nc6 9. O-O f4 10. d4 $16 {Stockfish10}) 6... d6 7. Re1 (7. Nh4 g5 8. Nxf5 Bxf5 9. exf5 d5 10. Bb5 Bd6 11. d4 {Stockfish10}) 7... f4 (7... fxe4 8. dxe4 g5 9. a4 { Stockfish10}) (7... Na5 8. Bb5+ c6 9. Ba4 fxe4 10. dxe4 Be6 11. Nbd2 { Stockfish10}) 8. h3 (8. d4 {looks better} g5 9. Na3 (9. b4) 9... Bg7 10. b4 Qe7 11. b5 Na5 12. Be2 Nh7 13. Nd2 O-O {Stockfish10}) 8... g5 9. d4 g4 10. dxe5 (10. hxg4 Nxg4 (10... Bxg4 11. dxe5) 11. dxe5 (11. Nbd2 Qf6) 11... dxe5 12. Qxd8+ Nxd8 13. b4 a5 14. b5 Bc5 15. Re2 Be6 16. Nbd2 h5 {Stockfish10}) 10... gxf3 (10... Nxe5 11. hxg4 Nfxg4 (11... Bxg4 12. Be2 Qe7 13. Bxf4 Rg8 14. Na3 {Stockfish10}) 12. Nxe5 dxe5 13. Qxd8+ Kxd8 14. f3 (14. Rd1+ Ke8 15. b4 h5 16. Na3 h4 17. f3 Nf6 18. Kh2 a6) 14... Bc5+ 15. Kf1 Ne3+ 16. Bxe3 Bxe3 17. Na3 {Stockfish10}) 11. exf6 Qxf6 12. Qxf3 Ne5 13. Qh5+ Ke7 (13... Kd8 $11) 14. Bf1 (14. Nd2 Bd7 15. Qe2 Rh7 16. Nf3 Rg7 17. Kh1 Re8 18. Nxe5 dxe5 19. Rd1 Kd8 20. b4 Kc8 {Stockfish10}) 14... Rg8 15. Qd1 {withdrawing the Q because of Rg5} (15. Kh2 Rg5 16. Qd1 f3 17. Bxg5 hxg5 18. Nd2 fxg2 19. Bxg2 g4 $19) (15. g3 fxg3 16. f4 Bg4 17. hxg4 Nf3+ 18. Kg2 Nxe1+ 19. Kxg3 Nc2) 15... Bxh3 16. f3 (16. Bxf4 Qxf4 17. Re3 Be6 {Stockfish10}) 16... Qg5 ( 16... Qh4 17. Qe2 Rg3 {Stockfish10} 18. Nd2 Bg7 19. Qf2 Rg8) (16... Rg3 ) (16... h5 {speeds other R entry}) 17. Qe2 Qg3 (17... Qh4) (17... h5) 18. Nd2 Bg4 {Bl had an idea, but this should lose- several other moves win} (18... Kf7) (18... Bg7) (18... Rg6) (18... Ke8) (18... h5) 19. Qf2 (19. fxg4 {Bl had planned} Nxg4 {to mate, but the Wh pawn has moved so the Wh N can occupy that square. A common error in calculation.} (19... f3 { almost works for Bl, but there is a final twist} 20. Nxf3 Nxf3+ 21. Qxf3 Qxe1 22. Bg5+ Rxg5 23. Rxe1) 20. Nf3 {though it will take a while to disentangle the Wh pieces}) 19... Bxf3 20. Qxg3 Rxg3 21. Kh2 Bh5 22. Nc4 Ng4+ ( 22... Rg4 23. Nxe5 dxe5 24. b4 Rd8 25. a3 Rg3 26. Ra2 Bg7 {Bl is a pawn up with all his pieces more active than Wh's}) 23. Kh1 Ne3 {(draw?) both sides short of time} (23... f3 24. gxf3 Rxf3 25. Bg2 Rf2 26. Kg1 Bg7 {Stockfish10 }) (23... Ne3 24. Nxe3 fxe3 25. Bxe3 Kd7 26. Bf4 Rg7 27. g3 Bg4 28. Be2 Bxe2 29. Rxe2 Be7 30. Rd1 Bg5 {Stockfish10}) 1/2-1/2 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.6"] [White "Osinga, Awne"] [Black "Brewer, Joshua"] [Result "1-0"] [ECO "C47"] [WhiteElo "1309"] [BlackElo "1488"] [Annotator "kemen"] [PlyCount "77"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] 1. e4 e5 2. Nf3 d6 3. Be2 {an Awne preference for the B} (3. d4) (3. Bc4 { main lines}) 3... Nf6 4. Nc3 Nc6 5. d3 (5. O-O) (5. d4) 5... Be6 (5... Be7) 6. h3 (6. O-O) 6... Nd4 {Komodo13 first choice} (6... Be7 {main}) 7. Nxd4 exd4 8. Nb1 Be7 9. Nd2 Nd7 10. Nf3 O-O (10... c5 {no need to give away a pawn}) 11. Nxd4 Bg5 12. O-O c5 13. Nxe6 fxe6 14. Bg4 Re8 15. Bh5 (15. f4 Bf6 16. c3) 15... g6 16. Bg4 Ne5 (16... Bxc1 17. Qxc1 Kg7 18. f4 Qf6 19. c3) 17. Bxg5 Qxg5 18. f4 Qf6 19. fxe5 Qxe5 20. c3 d5 {playing on, but a piece is a piece, & Bl has no compensation in terms of pawn structure or activity} 21. exd5 exd5 22. Qd2 d4 23. c4 (23. Rae1) 23... Qe3+ 24. Qxe3 (24. Rf2) 24... dxe3 25. Rfe1 (25. Bf3 Rad8 26. Be4 {the most efficient- all entry lines for Bl are blocked ,Wh picks up the e pawn & invades via the f file, forcing Bl to swap off Rs}) 25... Rad8 26. Be2 (26. Rad1 Rb8 27. Bf3 {then as above note}) 26... Rd6 27. Bf3 {looks still the best, as Bl will otherwise get some annoying R activity} (27. Rad1 Rb6 28. b3 Ra6 29. Ra1 Rd6 {and Wh must still play Bf3 to make any progress}) 27... b6 (27... Rxd3 28. Rad1 Rd4 29. Kf1 Kg7 30. b3 b6 31. Ke2 Kf6 32. Rd3) 28. Re2 (28. Be4 {though}) 28... Rxd3 29. Rae1 Kg7 30. Rc2 Kf6 31. Be2 (31. Kf1 {[%eval 0,0] the K needs to be on e2- but Awne certainly likes this square for his}) 31... Rd2 32. Bd1 (32. Rxd2 {Komodo13} exd2 33. Rf1+ Ke5 (33... Kg5 34. Kf2 Rd8 35. Ke3 Kh4 36. Rd1 Kg3 37. Bf3) 34. Rd1 Rd8 35. Bf3 Rd4 36. b3 Kf4 37. Kf2 Rd3 38. Ke2) 32... Rd3 33. Rce2 Re5 34. g3 (34. Bc2 Rd4 35. b3 Kg5 36. Rxe3 Rxe3 37. Rxe3 Rd2 38. Rg3+ Kh4 39. Rc3 Kg5 40. Kf1 {and Wh will slowly disentangle}) 34... h5 35. h4 g5 36. Rf1+ Rf5 (36... Ke6 37. Bc2 Rd4 38. hxg5 Rxg5 39. Rxe3+) 37. Rxf5+ Kxf5 38. Bc2 Kg4 39. Bxd3 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.7"] [White "Brewer, Ben"] [Black "Bates, Toby"] [Result "1-0"] [ECO "D02"] [WhiteElo "1573"] [BlackElo "1119"] [Annotator "kemen"] [PlyCount "77"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,11,25,25,15,26,11,5,4,4,21,4,12,3]} 1. Nf3 d5 2. d4 Bf5 3. Bf4 e6 4. e3 Nd7 5. c4 Bb4+ (5... c6) (5... Ngf6 {main lines}) 6. Nbd2 (6. Nc3 {2 Wh wins, 1 draw}) 6... Ngf6 7. a3 Bxd2+ 8. Qxd2 (8. Nxd2 {2-0}) 8... O-O 9. Be2 ( 9. Rc1 dxc4 10. Rxc4 c6 11. Rc1 Ne4 12. Qb4 Qb6 13. Qxb6 Nxb6 14. h3 h6 { Lesak-Ptacek, CZE ch sf email 2005,0-1}) 9... c5 10. O-O Rc8 (10... dxc4 11. Bxc4 Nb6 12. Be2 Ne4 13. Qd1 Nd5 {Komodo13}) 11. Rac1 (11. cxd5 Nxd5 12. Bd6 Re8 13. Rac1 Qb6 14. dxc5 Nxc5 15. Bxc5 Rxc5 16. Rxc5 Qxc5 17. Rc1 Qb6 18. Rc4 Bg6 19. Ne5 {Komodo13-Wh has more space & controls c file; also the Bl B is doing little on the K side , while the Wh one can target the Q side}) 11... Nb6 12. cxd5 Nbxd5 13. dxc5 (13. Rxc5 Ne4 14. Rxc8 Qxc8 15. Qc1 Nxf4 16. exf4 Nd6 17. Qd2 Be4 18. Ne5 Nf5 19. g4 Ne7 20. Qe3 Bd5 21. Rc1 Qd8 22. Qg3 {Komodo13, Bl has sufficient piece flexibility for Wh's half-pawn}) 13... Ne4 14. Qd1 Nxc5 (14... Nxf4 15. exf4 Nxc5) 15. Bg3 Qb6 16. b4 (16. Be5 Nb3 17. Rxc8 Rxc8 18. Nd4 Nxd4 19. Bxd4 Qc7 20. Bf3 {Komodo13}) 16... Ne4 17. Qb3 Nxg3 (17... Ndc3) 18. hxg3 a6 19. Nd4 (19. Nd2 Nf6 20. Nc4 Qc7 21. Qb2 Qb8 22. a4 h6 {Komodo13}) 19... Be4 20. Rc4 Rxc4 (20... Nf6 {to post the B on d5}) 21. Qxc4 Nf6 22. Rc1 h5 {the pawn might later need extra protection, though it also is an attacking weapon, which plays a large role in some of the Engine variations later in the game} (22... Bd5 23. Qc3 h6) 23. Qc7 Qxc7 24. Rxc7 Rd8 25. Nb3 Bc6 26. Na5 Bb5 (26... Rd2 {Bl should counter-attack the Wh Q side} 27. Bf3 Ra2 28. Nc4 Bd5 29. Nd6 Rxa3 (29... e5 30. e4 Be6 31. Nxb7 Rxa3) 30. Rc8+ Kh7 31. e4 Bc6 32. Nxf7 a5 (32... Ng4 {Komodo13})) 27. Nxb7 Rd2 28. Bxb5 axb5 29. f3 Ra2 {too slow now} ( 29... Nd5 {Komodo13-attacking the K side first} 30. Rc8+ Kh7 31. Rd8 Ra2 32. e4 Ne3 33. Rd3 Ra1+ 34. Kh2 Nf1+ 35. Kh3 Ne3 36. g4 hxg4+ 37. Kg3 Nc4 38. Nd6 gxf3 39. gxf3 Nxd6 40. Rxd6 Rxa3 41. Rb6 Kh6 42. Rxb5 Rb3 {is a book draw}) 30. Rc8+ (30. e4 Rxa3 31. Nd6 g5 32. Nxf7 g4 33. Ng5 e5 34. Rb7 {Komodo13}) 30... Kh7 31. Ra8 (31. e4 {Komodo13}) 31... Nd5 32. e4 Ne3 (32... Nxb4 {also good for Bl} 33. Ra5 Nd3 34. Kf1 (34. Rxb5 Ra1+ 35. Kh2 e5 36. g4 h4 37. g5 Nf2 38. g4 Ra2 39. Nd8 Nxe4+ 40. Kh3 Nxg5+ 41. Kxh4 Nxf3+ 42. Kg3 Rxa3) 34... Rf2+ 35. Kg1 Rb2 36. Kf1 Kg6 37. g4 h4 38. Nd6 Rf2+ 39. Kg1 Re2 40. Kh2 Re1 (40... Ne1 41. Kh3 Rxg2 42. Rxb5 Rg1 43. Kxh4 Nxf3+ 44. Kh3 Ng5+ 45. Kh2 Rd1 {or Bl could force a draw by repetition} 46. Nc8 (46. e5 Rd2+ (46... Nf3+ 47. Kg2 Nxe5 {looks simpler}) 47. Kg3 Rd3+ 48. Kf2 Nh3+ 49. Ke2 Nf4+ 50. Ke1 Rxa3 {Komodo13}) 46... Rd8 47. Ne7+ Kf6 48. Nc6 Rd2+ 49. Kh1 (49. Kg1 Nf3+ 50. Kf1 Ra2 51. Ra5 Nh2+ 52. Ke1 Nxg4) 49... Nxe4 {Komodo13})) 33. Nd6 Rxg2+ 34. Kh1 Rxg3 (34... f6 35. Ra5 (35. Nxb5 Rxg3) 35... Rxg3 36. Rxb5 Kg6 37. Rb7 Rxf3 38. Ne8 Kg5 39. Rxg7+ (39. Nxg7 Kg4 {constructs a mating net, so Wh has to give up the N}) 39... Kh4 40. b5 Ng4 41. Rc7 Kg3 42. Rc1 h4 { and the problem with Wh's K means there is no time to use the Wh Q side pawns} 43. b6 (43. Nxf6 {may be the best , inadequate option according to Komodo13}) 43... Nf2+ 44. Kg1 h3 45. Kf1 Nd3+ 46. Ke2 Nxc1+ 47. Kd2 h2 48. b7 Nb3+ { Engines like complex calculations} (48... Rb3 {is a simple human response}) 49. Kc2 Nd4+ 50. Kd2 h1=Q 51. b8=Q+ Kf2 52. Qh2+ (52. Nd6 Qe1#) 52... Qxh2 53. Kc1 Kg3 54. Kb1 Rf1#) 35. Nxf7 (35. a4 Rh3+ (35... bxa4 36. b5 Rh3+ 37. Kg1 Rxf3 38. b6 Rf1+ 39. Kh2 Ng4+ 40. Kg3 Rg1+ 41. Kh3 g5 42. b7 h4 43. Nf5 Rb1 44. Kxg4 (44. b8=Q Rxb8 45. Rxb8 exf5 46. exf5 Ne3 47. f6 Kg6 48. Ra8 Kxf6 49. Rxa4 { and Bl mates in 49- Lomonosov tablebases}) 44... exf5+ 45. Kxg5 Rxb7 46. Rxa4 fxe4 47. Rxe4 {draws}) 36. Kg1 Rxf3 37. axb5 Rf1+ 38. Kh2 Ng4+ 39. Kg2 Rb1 40. b6 Rb2+ 41. Kf3 Ne5+ 42. Kg3 Rb3+ 43. Kf2 Rb2+ {draws by repetition} 44. Ke3 Rb3+ 45. Kd4 Nd7 46. b7 Rxb4+ 47. Kc3 Rb6 48. Rd8 Rxd6 49. Rxd7 Rb6 50. Kc4 f5 51. Kc5 Rb1 52. exf5 exf5 53. Kc6 h4 54. Rd5 Rxb7 55. Kxb7 Kg6 {drawn, Nalimov tablebases}) 35... Kg6 36. Ne5+ Kf6 37. f4 Nc2 (37... Ng4) (37... g5 38. Rf8+ Kg7 39. Rf7+ Kg8 40. fxg5 Rxg5 41. Rf3 Rxe5 42. Rxe3 Kg7) (37... Nc4 $11) (37... Rh3+ 38. Kg1 Nc4) 38. Ra7 Ne1 39. Rf7# 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.23"] [Round "3.8"] [White "Leah, Howard"] [Black "Reynolds, Mark"] [Result "1-0"] [ECO "C10"] [WhiteElo "1570"] [BlackElo "1200"] [Annotator "kemen"] [PlyCount "63"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,14,23,22,43,28,46,21,33,33,39,54,51,58,38,39,75]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 {main} (4... Bd7 {the Fort Knox var}) 5. Nf3 Ngf6 6. Bd3 c5 (6... Nxe4) (6... Be7) 7. c3 (7. O-O) (7. Nxf6+ {main lines}) 7... a5 { prevents a later b4, but weakens b5 square} (7... cxd4) (7... Nxe4) (7... Be7 8. O-O) 8. Bf4 Nxe4 9. Bxe4 Nf6 10. Bd3 (10. Bc2 {pepares a later Qd3 & supports d4}) 10... cxd4 11. Nxd4 Nd5 (11... Bc5) 12. Be5 Bd7 13. O-O Nf6 (13... f6) 14. Re1 (14. Qf3 Qb6 15. Bxf6 gxf6 16. Qxf6 {Komodo13}) (14. Nb5 Rc8 15. Qe2 {Komodo13}) 14... Be7 15. Qf3 (15. Re3) 15... Rb8 (15... Qb6 16. Rab1 Rc8 {Komodo13} 17. Re3) 16. Bxb8 (16. Qg3 Rc8 17. Qxg7 Rg8 18. Qh6 {Komodo13}) (16. Nf5 {opening up lines with the Bl K still in the middle} exf5 17. Rad1 Qc8 18. Bxf6 (18. Qg3 Ra8 19. Bd6 Ne4 20. Qxg7 Bxd6 21. Qxh8+) 18... gxf6 19. Qe3 O-O 20. Qxe7 Re8 21. Qxf6 {Komodo13}) 16... Qxb8 17. Rad1 (17. Bb5 Bxb5 18. Nxb5 O-O 19. Rad1 {opens up lines for the Rs-Komodo13}) 17... O-O 18. Bc2 Bc5 19. Nb3 Bc6 20. Qh3 (20. Qg3) 20... Bb6 21. Rd2 (21. Nd4) 21... h6 22. Nd4 Bd7 23. Nf3 Rd8 24. Ne5 Qc8 (24... Be8 { safer}) 25. Red1 Nd5 26. Qh5 (26. Nxd7 Qxd7 (26... Rxd7 27. Rxd5 exd5 (27... Rxd5 28. Rxd5) 28. Bf5 Qc5 29. Bxd7 Qxf2+ 30. Kh1 Qxb2 31. Ba4 Qxa2 32. Qc8+ Kh7 33. Qf5+ Kg8 34. Be8) 27. c4 {Komodo13}) 26... Rf8 (26... Be8) 27. Ng4 (27. Nxd7 Qxd7 28. c4) 27... Bc6 28. Nxh6+ gxh6 29. Qxh6 f5 30. Qg6+ Kh8 31. Rd3 (31. Rd4 Bxd4 32. Rxd4 Qd8 33. Rg4 Qe7 34. Qh6+ Qh7 35. Qxf8+ Qg8 36. Qxg8#) 31... Be8 (31... Ne3 32. fxe3 Qc7 33. Qh6+ Kg8 34. Bb3 Re8 35. Bxe6+ Rxe6 36. Qxe6+ Qf7 37. Rd8+ Bxd8 38. Rxd8+ Kg7 39. Qe5+ Qf6 40. Rg8+ Kf7 41. Rf8+ Kxf8 42. Qxf6+) 32. Rh3# 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.24"] [Round "4.1"] [White "Hewitt, William"] [Black "Pinch, David"] [Result "1-0"] [ECO "C41"] [WhiteElo "2086"] [BlackElo "1769"] [Annotator "user"] [PlyCount "49"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,49,20,46,24,10,47,19,22,2,-20,2,97,67,65,74,77,72,61,52,52,9,53,59,59, 36,98,66,96,91,85,110,102,98,145,42,64,33,75,59,75,50,201,126,23,111,480,487, 505,505,497,524]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 { not a good idea as it brings the Wh Q to a dominant position} (5... Bb4) (5... Bc5 {main lines}) 6. Qxd4 {69% for Wh} d6 7. Bf4 {scores best of the B moves, 74% for Wh} (7. Bg5) (7. Bc4) (7. f3 {78%}) 7... Be7 8. O-O-O O-O 9. f3 Be6 10. g4 a6 {6 Wh wins,1 draw} (10... Nd7 {4 Wh wins, 3 draws, 1 Bl win}) 11. h4 (11. Kb1 {2-0}) 11... b5 12. h5 (12. Nd5 {komodo13}) 12... Ne8 (12... c5 13. Qd2 b4 14. Nd5 Nxd5 15. exd5 Bd7 16. Re1 (16. g5) 16... Bb5 17. g5 Ra7 18. Bh3 Bd7 19. Bxd7 Rxd7 20. Re4 {Nehybka-Markovic, Bohemia South ch tm 2004,1/2-1/2}) (12... Nd7 13. Qe3 h6 14. e5 dxe5 15. Bxe5 Bf6 (15... Re8 ) 16. Bg3 Qc8 17. Ne4 Re8 18. Nxf6+ Nxf6 {Strong-Neat, Weymouth Minor 2008, 1-0}) 13. Qd2 c6 14. Kb1 (14. h6 {Komodo13}) 14... b4 15. Na4 Qa5 16. b3 Rd8 17. g5 (17. Qh2) 17... d5 {it looks like Bl is getting some play, but it is the Bl position that is the vulnerable one} 18. e5 c5 19. g6 {a typical break, though Bl is not yet dead} c4 20. Bh3 (20. Be3 d4 21. Bxd4 h6 22. gxf7+ Rxf7 23. Qh2 {Komodo13}) (20. Bg5 Bxg5 21. gxh7+ Kh8 22. Qxg5 Qc7 23. h6 g6 24. Bxc4 f6 25. Qd2 fxe5 26. Bd3 Bf5 27. Qxb4 Qd6 28. Qxd6 Rxd6 29. Kb2 $18 {Stockfish10}) 20... Qc7 (20... Bxh3 21. Rxh3 Nc7 22. Bg5 c3 23. Qc1 (23. Qg2 Rd7 24. Bxe7 Rxe7 25. Qg5 Re6 26. gxh7+ Kh8 27. Rg3 Ne8 28. h6) 23... Bxg5 24. Qxg5 Ne6 25. Qe7 {Komodo13}) 21. h6 {but after this also typical break he is} hxg6 22. Qh2 Bxh3 23. Qxh3 (23. hxg7) 23... Qd7 24. hxg7 Qxh3 25. gxf8=Q+ 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.24"] [Round "4.2"] [White "Buttell, David"] [Black "Heap, Gerry"] [Result "0-1"] [ECO "E51"] [WhiteElo "1874"] [BlackElo "2160"] [Annotator "kemen"] [PlyCount "128"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,18,41,30,30,6,6,6,6,14,33,19,19,22,39,48,48,53,53,41,64]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 {the Ragozin, having a rebirth recently at GM level} 5. Bd2 (5. Bg5) (5. cxd5) (5. e3) 5... O-O 6. e3 c5 (6... b6) 7. a3 cxd4 (7... Bxc3 8. Bxc3 Ne4 {main}) 8. axb4 (8. exd4) (8. Nxd4) 8... dxc3 9. Bxc3 Ne4 10. Qd4 (10. Qc2 {main}) 10... Nxc3 11. bxc3 (11. Qxc3 Nd7 12. cxd5 exd5 13. Be2 Nf6 14. O-O Bg4 15. Qd4 a5 {Kling-Runge, HSG/BUE ch, Hamburg 2003,1/2-1/2}) 11... Nc6 12. Qd2 Qf6 (12... Ne7 13. Bd3 b6 14. Qc2 Ng6 15. O-O Bb7 16. Qe2 Qf6 17. Ra3 Rfc8 {Cox-Fraser, Civil Service Minor op, London 2005,0-1}) 13. b5 Ne5 14. Nxe5 Qxe5 15. f4 (15. Qd4 {Komodo13}) 15... Qc7 16. Qd4 dxc4 (16... b6) 17. b6 (17. Qxc4) 17... Qc6 18. bxa7 {pinning hopes on a pawn, that isn't going any further} (18. Kf2) (18. Rxa7 Bd7) 18... b5 19. Rg1 (19. e4 {Komodo13} Bb7 20. Be2 Rfd8 (20... Qxe4 21. Qxe4 Bxe4 22. Kf2)) 19... Bb7 20. g3 (20. Kf2) (20. Be2) 20... Rfd8 21. Bg2 (21. Qe5 Qb6 $19 {Komodo13}) 21... Qxg2 {winning a piece} 22. Rxg2 (22. Qxd8+ Rxd8 23. Rxg2 Bxg2 {Komodo13}) 22... Rxd4 23. Rb2 Rd5 24. e4 Rc5 25. e5 Kf8 26. Ra5 Ke7 27. Rd2 Bd5 {Bl can just mop up the a7 pawn at leisure & then win with the extra piece} (27... Rd5) 28. Ke2 Kd7 29. Ke3 Kc7 30. Kd4 Rc6 (30... Kb6 31. Ra3 Rc7 (31... Bb7)) 31. Rb2 Rb6 32. Kc5 Bc6 (32... b4 33. Rxb4 Rxb4 34. Kxb4 Kb6 35. Rb5+ Kxa7 36. Kc5 Rd8 {Komodo13}) 33. Rd2 Bd5 34. Rb2 Rb7 35. Rba2 b4 36. cxb4 c3 37. Rc2 Raxa7 38. Rxa7 Rxa7 39. Rxc3 Kd7 (39... Ra2) 40. Kb6 Rb7+ 41. Ka5 Bc6 (41... Rc7) 42. Rc5 Bd5 43. b5 Rc7 44. Kb6 Rxc5 45. Kxc5 f6 46. exf6 gxf6 47. f5 Be4 48. fxe6+ Kxe6 49. b6 Kf5 50. Kd4 Bb7 51. h3 h5 52. Ke3 Kg5 (52... Ke5) 53. Kf2 h4 {Komodo13 has worked out the mate} 54. gxh4+ Kxh4 55. Ke3 Kg5 (55... Kg3) (55... Kxh3 56. Kf4 {(draws)}) 56. h4+ Kg4 57. h5 Kxh5 58. Kf4 Kg6 59. Kg4 f5+ 60. Kf4 Kf6 61. Ke3 Ke5 62. Kf2 f4 63. Ke2 Kd4 64. Kf2 Kc5 0-1 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.24"] [Round "4.3"] [White "Williams, R Gareth"] [Black "Haigh, A.."] [Result "0-1"] [ECO "D00"] [WhiteElo "1678"] [BlackElo "1767"] [Annotator "kemen"] [PlyCount "44"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] 1. d4 e6 2. Nc3 d5 3. Bf4 (3. e4 {French}) 3... Bb4 (3... Nf6) 4. e3 (4. Qd2) 4... Nf6 5. a3 (5. Bd3) (5. Nge2) 5... Bxc3+ 6. bxc3 c5 7. f3 (7. c4) 7... b6 (7... Qa5 {9-2}) (7... Nc6 {0-1}) 8. Ne2 (8. a4 {Komodo13}) 8... Ba6 9. g4 h6 {provides a target} (9... O-O) 10. h4 Nfd7 11. e4 (11. Ng3) 11... Qe7 (11... dxe4 12. fxe4 Nc6 {Komodo13}) 12. Bg2 (12. Ng3 { Komodo13}) 12... Nc6 13. g5 (13. Ng3) 13... O-O-O 14. e5 (14. exd5 exd5 15. Kf2 hxg5 16. hxg5 Rxh1 17. Bxh1 Re8 {Komodo13}) 14... hxg5 15. hxg5 f6 {Bl is far better developed} (15... Rxh1+ 16. Bxh1 f6) 16. Rxh8 Rxh8 17. exf6 gxf6 18. gxf6 Qxf6 19. Bg3 Rg8 20. Qd2 (20. Kf2 Bxe2 21. Qxe2 Qg5 {Komodo13}) 20... Bxe2 21. Qxe2 Rxg3 22. O-O-O Qg5+ (22... cxd4) 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "4.4"] [White "Van Kemenade, R.."] [Black "Osinga, Awne"] [Result "1-0"] [ECO "C57"] [WhiteElo "1977"] [BlackElo "1309"] [Annotator "kemen"] [PlyCount "55"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,55,16,39,18,23,24,29,15,-5,-25,-12,54,54,64,90,105,46,89,80,29997,155, 275,65,35,60,424,437,423,459,479,407,472,454,454,454,451,473,529,536,585,555, 585,564,577,579,579,452,466,464,458,453,462,483,486,493,524,542]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 (3... h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 {R Van Kemenade-Osinga, Dyfed League 2018,1-0}) 4. Ng5 d5 5. exd5 Nxd5 {dangerous} ( 5... Na5) (5... Nd4) 6. Nxf7 {the ancient Fegatello or Fried Liver Attack} (6. d4 {may well be even stronger}) 6... Kxf7 7. Qf3+ (7. Qh5+ {has been played, with good results for Wh- however Bl should just be winning with} Kg8) 7... Ke6 8. Nc3 Nd4 {the 3rd most common move, but this should just lose, Bl needs to protect the other N-89% for Wh} (8... Ncb4 {72% for Wh}) (8... Nce7 { 75% for Wh}) 9. Bxd5+ {keeping Qs on as the Bl K is in the middle} Ke7 (9... Kd6) 10. Qe4 (10. Qf7+ Kd6 {13 people saw it, 21 missed it} 11. Ne4#) 10... Qd6 11. f4 (11. Bb3) 11... Bf5 (11... Qg6 12. Qxe5+ Kd8 13. Qxd4 { Holland-Hofman, Mittelfranken ch , Postbauer 2009,1-0}) 12. fxe5 Bxe4 (12... Qb6 {best} 13. Qh4+ (13. Qf4 Nxc2+ 14. Kd1 Qg6 15. Rf1 Bg4+ 16. Bf3 Bxf3+ 17. Qxf3 Nxa1 18. Qxb7 Rd8 19. Nd5+ Rxd5 20. Qxd5 c6 21. Qc4 Kd8 {Stockfish10}) 13... Ke8 14. Be4 Be7 15. Qxe7+ Kxe7 16. Nd5+ Ke6 17. Nxb6 Bxe4 18. Nxa8 Nxc2+ 19. Ke2 Rxa8 (19... Nxa1 20. Nxc7+) 20. d3 Bxg2 21. Rg1 Bd5 22. Bd2 Nxa1 23. Rxa1 Rf8) 13. exd6+ Kxd6 14. Bxe4 Re8 15. O-O Ne2+ 16. Nxe2 Rxe4 17. Nc3 (17. Ng3 Re8 18. b3) 17... Re8 18. d4 g6 19. Bf4+ Kd7 20. Be5 Rg8 21. Nd5 Be7 22. Rf7 Ke6 23. Rxe7+ (23. Nxc7+ Kxf7 24. Rf1+ Bf6 25. Rxf6+ Ke7 26. Re6+ Kd7 27. Rxe8 Rxe8 28. Nxe8 Kxe8 29. c4 {Stockfish10}) 23... Rxe7 24. Nxe7 Kxe7 25. Re1 (25. Rf1) 25... Kd7 26. Rf1 Ke7 27. d5 (27. Rf3) 27... h5 28. Bxc7 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "4.5"] [White "Francis, Matthew"] [Black "Van Kemenade, J.."] [Result "1-0"] [ECO "B07"] [WhiteElo "1664"] [BlackElo "1732"] [Annotator "kemen"] [PlyCount "45"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,14,37,27,67,61,66,61,61,50,67,66,69,66,61,69,56]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. e5 Ne4 6. Bd2 {gives up the B pair} (6. Qf3) (6. Bd3 { main lines}) 6... Nxd2 7. Qxd2 dxe5 (7... Bf5) (7... d5 {main lines}) 8. fxe5 { 2 Wh wins, 3 draws,3 Bl wins} (8. dxe5 {1 Wh win,1 draw,3 Bl wins}) 8... Bf5 9. Bd3 Bxd3 10. Qxd3 e6 11. Nf3 (11. Nge2 Na6 12. O-O Nb4 13. Qe4 Rd8 14. a3 Nd5 15. Qf3 Qc7 16. Ne4 h6 17. c4 {Doerfler-Sippl, Nuremberg Zabo op 2004,1/ 2-1/2}) 11... Be7 (11... Qa6 12. O-O-O Qxd3 13. Rxd3 Be7 14. Ne4 Nd7 { Voloshin-Tsolakidis, Stuttgardt Ditzingen op 2001, 1/2-1/2}) (11... Nd7 12. O-O h6 (12... O-O-O 13. Qe2 Be7 14. Ne4 h6 15. c4 f6 16. exf6 gxf6 17. Ng3 e5 18. Nf5 Bf8 19. Kh1 {Lavrov-Bilyap, Cesme op 2019,1-0}) 13. Nd2 O-O-O 14. Nc4 Qc7 15. Rxf7 {Streeb-Nees, Baden ch U1600, 2014,1-0}) 12. O-O Nd7 13. Ne4 h6 14. Kh1 O-O-O 15. c3 f5 (15... Nxe5 16. Nxe5 Qxe5 17. Rxf7 {Komodo13}) 16. exf6 gxf6 17. b4 Qc7 18. a4 (18. Qc4 e5 19. Qf7 Rde8 20. Rae1 {Komodo13 }) 18... e5 (18... f5 19. Ned2 Rhe8 20. Rae1 Bd6 21. a5 Nf6 22. a6 b5 23. Nb3 Re7 24. Na5 Rde8 25. Re2 Nd5 26. Ne5 Bxe5 27. Rxe5 {Komodo13}) 19. Qc4 (19. Nh4) 19... h5 (19... Nb6 20. Qe6+ Qd7 21. Qxd7+ Nxd7 {Komodo13}) 20. Nh4 Rhg8 (20... exd4 21. Nf5 Nb6 22. Qe6+ Kb8 23. Qxe7 Qxe7 24. Nxe7 Rhe8 25. Nxc6+ bxc6 26. Nxf6 Re5 27. cxd4 Rxd4 28. a5 Nc4 29. g3 {plenty of play left for both sides}) 21. Nf5 Rde8 (21... Rge8 22. Qe6 Kb8 (22... Bf8 23. Ned6+) 23. Ng7) 22. Nxe7+ Rxe7 23. Qxg8+ 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "4.6"] [White "Hammett, Scott"] [Black "Gunn, Tom"] [Result "1-0"] [ECO "A45"] [WhiteElo "1610"] [BlackElo "1400"] [Annotator "kemen"] [PlyCount "29"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,14,38,14,14,14,5,9,41,-10,1,1,-15,-15,-4,-25,14]} 1. d4 Nf6 2. e3 e6 3. Bd3 b6 4. f4 Bb7 5. Nf3 Be7 (5... c5) 6. O-O O-O 7. Nbd2 d6 (7... c5) (7... d5) 8. c3 (8. e4) 8... Nbd7 9. Qe1 (9. e4) 9... c5 (9... Re8 10. e4 e5 11. fxe5 dxe5 12. d5 c6 13. dxc6 Bxc6 14. Bc4 Qc7 15. Qg3 Rf8 16. Nh4 Bxe4 { Fontana-Benares de sa Leitao, Pan-American, Merida 1997,0-1}) 10. e4 cxd4 ( 10... Qc7 11. e5 Nd5 12. Ne4 c4 13. Bc2 Rfe8 14. Qg3 Nf8 15. f5 { Burisch-Meinke, GER ch tm women 2007,1-0}) 11. Nxd4 (11. cxd4 e5 {Komodo13} ) 11... Nc5 (11... e5) (11... Qc7) 12. Bc2 e5 13. Nf5 Re8 (13... Ne6 $11) (13... Kh8) (13... Qc7) 14. Qg3 Bf8 (14... g6 15. fxe5 dxe5 16. b4 Ncd7 17. Nh6+ Kg7 18. Nc4 Qc7 19. Ne3 {Komodo13}) (14... Ne6 15. fxe5 dxe5 16. Nc4 Ba6 17. Rd1 Qc7 18. Nxe5 {Komodo13}) 15. Nh6+ 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "4.7"] [White "Bates, Toby"] [Black "Leah, Howard"] [Result "0-1"] [ECO "E91"] [WhiteElo "1119"] [BlackElo "1570"] [Annotator "kemen"] [PlyCount "125"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nbd7 6. Be3 O-O 7. Be2 c5 (7... e5) (7... Ng4 {alternatives}) 8. O-O (8. d5) 8... Qb6 (8... Ng4) (8... a6) (8... cxd4) 9. Qd2 cxd4 10. Bxd4 (10. Nxd4 {looks better- Rudy}) 10... Qc6 11. Rfe1 (11. Qc2) 11... Nc5 (11... e5 12. Be3 Nc5 13. Ng5 {Komodo13}) 12. e5 Nfe4 13. Nxe4 Nxe4 14. Qf4 (14. Qc2) 14... dxe5 (14... f6) 15. Bxe5 (15. Nxe5 Bxe5 16. Qxe5 f6 17. Qxe7 Re8 18. Qa3 {Komodo13}) 15... f6 {just one different capture can make all the difference} 16. Bc3 (16. Bf1 Nxf2 17. Nd4 Qc5 18. Bd6 Nh3+ 19. gxh3 exd6 {the kind of sequence Engines go in for.}) (16. c5 Bf5 (16... Kh8) 17. Bc3 Nxc3 (17... e5 18. Qe3 Qxc5) 18. Qc4+ Nd5 19. Nd4 Qd7 20. Bf3 Rfd8 21. Rad1 {is another example}) 16... Nxc3 17. bxc3 e5 18. Qd2 Be6 19. Rad1 Qc7 (19... b6 { ties down the c pawns}) 20. Bf1 Rfd8 21. Qe3 a6 (21... b6 {as above}) 22. Rd4 { Wh is positionally inferior due to the c pawns, so tries to confuse the issue tactically} Bf7 (22... Rac8) (22... exd4 23. Qxe6+ Qf7 24. Qxf7+ Kxf7 25. cxd4 Rac8 {Komodo13}) 23. Re4 Rd7 24. h4 Rad8 25. h5 Qa5 (25... gxh5) (25... g5) 26. h6 (26. hxg6 hxg6 27. Rg4 Qxa2 {Komodo13}) 26... Bf8 27. Nxe5 {rtrying something to deflect the natural run of events} fxe5 28. Rxe5 Qc7 (28... Qxa2) 29. c5 Rd5 (29... Rd1) 30. Bc4 Rxe5 31. Bxf7+ Qxf7 ( 31... Kxf7 {gets rid of Qs}) 32. Qxe5 Bxh6 (32... Rd2) (32... Rd5) 33. Rb1 Bf4 (33... Bf8 {safer}) 34. Qe4 Re8 35. Qb4 Qxa2 36. g3 Bd2 (36... Bc7 37. Qxb7 Rb8) 37. Qxb7 Re1+ {swapping off, with an attack on f2; but not fully evaluating the ensueing postion} (37... Bxc3 38. c6 Bd4 39. Rf1 Qd5 { Komodo13}) 38. Rxe1 Bxe1 39. Qb8+ {and Bl realised that there was either a perpetual or loss of the B} Kf7 40. Qf4+ Ke7 41. Qe4+ Kf7 42. Qf4+ {Wh is happy with a perpetual} (42. Qxe1 {but Bl could play on, hoping the a pawn will get through}) 42... Ke6 43. Qe4+ Kd7 44. Qxe1 (44. Qb7+ {is still a perpetual}) 44... Qc4 (44... Kc6 45. Qe7 Qd5 {had to be tried}) 45. Qd1+ $18 {the advanced C pawn + Q spells danger for Bl} Kc7 (45... Kc8 {a little better}) 46. Qd6+ Kc8 47. c6 Qf7 {forced} 48. c7 {simpler , for humans to calculate} (48. c4 a5 49. Qc5 Qc7 50. Kg2 {Komodo13}) 48... Qxc7 (48... Kb7 49. c8=Q+ Kxc8 50. Qxa6+ Kb8 51. Qb6+ Ka8 52. Qc6+ Ka7 53. c4 {the Bl K is in the open}) 49. Qxa6+ Kd7 50. c4 Qd6 51. Qa7+ (51. Qxd6+ Kxd6 52. Kg2) 51... Qc7 52. Qxc7+ Kxc7 53. f4 (53. Kg2) 53... Kd6 54. Kf2 Kc5 55. Ke3 Kxc4 56. Ke4 h6 57. g4 {Bl thought this was inaccurate, but Wh is winning comfortably} (57. Ke5 {also}) 57... h5 58. f5 gxf5+ 59. gxf5 h4 60. f6 h3 61. Kf3 h2 62. Kg2 Kd5 63. f7 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "4.8"] [White "Greenwood, Ray"] [Black "Orton, Paul"] [Result "0-1"] [ECO "B72"] [WhiteElo "1315"] [BlackElo "1584"] [Annotator "kemen"] [PlyCount "73"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,13,28,16,77,66,80,76,69,78,60,44,38,39,82,22]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. Bc4 (4. d4) (4. Bb5) 4... Nf6 5. d4 (5. d3) (5. O-O) 5... cxd4 6. Nxd4 g6 {a little risky} (6... e6) (6... Qb6) (6... Bd7) 7. Be3 (7. Nxc6 bxc6 8. e5 Ng4 (8... dxe5 9. Bxf7+ {eg R Van Kemenade-Howley, Bolton-Bury 1975,1-0}) 9. e6) 7... Bg7 8. O-O (8. f3 O-O 9. Qd2 {Mainline, Yugoslav attack Sicilian Dragon}) 8... O-O 9. e5 {wrong timing} (9. h3) (9. Qd2) (9. f3) 9... Nxe5 $17 10. Be2 a6 11. Ne4 Nxe4 12. f4 Nc6 13. c3 Nxd4 14. cxd4 (14. Bxd4 e5 ) 14... d5 15. Rc1 Bd7 16. a4 Qa5 17. Qb3 Rab8 (17... Nd2 {Komodo13}) 18. Bf3 Qxa4 (18... e6) 19. Qxd5 Bc6 (19... Nd6) 20. Rxc6 Qxc6 (20... Nd2 21. Rcc1 Nxf1 22. Kxf1 Rfd8 {Komodo12}) 21. Qxe4 Qxe4 22. Bxe4 Rfd8 {Bl is still an exchange & a p up} 23. Rd1 b5 (23... Rd7) 24. f5 a5 25. fxg6 hxg6 26. b3 Rbc8 ( 26... a4) 27. d5 Rc3 28. Bb6 Rdc8 (28... Rb8) 29. Kf2 (29. Bxa5 Rxb3 30. d6 exd6 31. Rxd6 Ra3 {Komodo13}) 29... a4 30. bxa4 bxa4 31. d6 exd6 32. Rxd6 a3 33. Rd1 Rb3 (33... a2) 34. Bb7 Rb8 (34... Rxb6 35. Bxc8 a2 36. Bg4 Kh7 37. h4 Rb1 {Komodo13}) 35. Bd5 Rb2+ 36. Kg3 R8xb6 37. Ra1 0-1 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.24"] [Round "5.1"] [White "Haigh, A.."] [Black "Hewitt, William"] [Result "1/2-1/2"] [ECO "A45"] [WhiteElo "1767"] [BlackElo "2086"] [Annotator "kemen"] [PlyCount "80"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,80,19,31,25,-8,16,-17,2,-19,-10,5,5,-27,-15,-13,-5,-13,-15,-18,-13, -22,3,-19,15,5,-2,-6,21,21,28,15,18,27,12,16,14,15,-3,-3,-8,1,-20,-29,-27,-54, -41,-83,-81,-73,-75,-58,-58,-59,-53,-40,-32,-35,-13,-33,-35,-38,-31,-61,10,5, 131,131,136,150,150,138,228,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 (3... exf6 {Haigh-Gibbons, WCPL 2010,2013,2017 & S Wales op 2013, 4 draws} ) 4. d5 Qb6 5. Qc1 f5 (5... e5 6. g3 d6 7. Bh3 Bxh3 8. Nxh3 h5 9. c4 h4 10. g4 Bh6 11. e3 Na6 {Haigh-IC Jones, Dyfed Open 2012,0-1}) 6. g3 (6. c4 Bg7 7. Nc3 { main}) 6... Bg7 (6... Bh6 7. e3 Bg7 8. c3 O-O (8... d6) 9. Bg2 e5 10. dxe6 fxe6 11. Ne2 Nc6 12. O-O d5 13. Nd2 Bd7 14. Nb3 Ne5 {Haigh-Hewitt,Dyfed Closed 2016,0-1}) 7. c3 d6 (7... h5 8. h4 Qg6 9. Nh3 e5 10. dxe6 fxe6 11. Na3 d5 12. Qe3 d4 13. cxd4 Bxd4 14. Qd2 Qg7 15. O-O-O {Haigh-R Van Kemenade, Dyfed League 2013,1-0}) 8. Bg2 Nd7 9. Nd2 Nf6 10. Nh3 h5 (10... Bd7) 11. O-O (11. Qc2 {main} Bd7 12. Nf4 h4 {Komodo13-but 4 Wh wins,3 draws!}) 11... Bh6 (11... h4 12. Nf4 hxg3 13. hxg3 Bh6 14. e3 Bd7 15. Rd1 O-O-O 16. Nc4 (16. b4) 16... Qc7 (16... Qa6) 17. a4 Kb8 {Provoost-Ikonnikov,Vlissingen HZ op 2009,1-0}) 12. Qc2 Bd7 13. e3 (13. e4 {Komodo13}) 13... e5 (13... h4 { Komodo13}) 14. dxe6 fxe6 15. Nf4 O-O-O 16. Rfd1 (16. b4) 16... Bxf4 17. exf4 Bc6 18. Nc4 (18. h4) 18... Qc7 19. Qe2 Rhe8 {the Bl centre pawns are defensively fine, but scarcely able to move forward without leaving a weakness behind} 20. b4 (20. Bxc6 Qxc6 21. h4 {Komodo13}) 20... Bxg2 21. Kxg2 h4 22. b5 Nd5 (22... d5 23. Ne5 Kb8 24. Rab1 Ne4 {Stockfish10}) 23. Qd3 Qg7 (23... Rh8) 24. Qf3 Kb8 25. Rac1 Rg8 26. a4 (26. Rxd5 exd5 27. Qxd5 {Komodo13 & Stockfish10}) 26... Qh6 27. Kh1 Rh8 (27... Rd7 28. Rc2 Rdg7 29. Kg1 Rg4 30. Nxd6 Rxf4 31. Qe2 hxg3 32. fxg3 Rfg4 33. Kh1 f4 34. Nf7 Qf6 35. Qe5+ Qxe5 36. Nxe5 R4g7 37. Rg1 fxg3 38. Rxg3 Rxg3 39. hxg3 Rxg3 40. c4 Ne3 {Komodo13}) 28. Rc2 Rh7 29. Rcd2 Qf6 (29... Nf6 30. Re1 (30. Rxd6 Rxd6 31. Nxd6 hxg3 32. Qxg3 Rg7 33. Qf3 Ng4 34. Qg3 Qh8 35. Ne8 Qxe8 36. f3 Ne3 37. Qxg7 Nxd1 {Stockfish10})) 30. Rd3 Qf8 31. Nxd6 (31. R1d2) 31... hxg3 32. fxg3 Nxc3 (32... Qh8 33. Nxf5 Rxh2+ 34. Kg1 Rc2 35. R1d2 c4 36. Rd4 Rc1+ 37. Rd1 Rxd1+ 38. Rxd1 Rg8 39. Nd4 {Komodo13}) 33. Nxb7 Rxd3 34. Rxd3 Rxb7 35. Rxc3 Qd8 36. Qd3 (36. Rxc5 {both Engines}) (36. h4 { Stockfish10}) (36. Rc1 Rd7 37. Qe2 {Stockfish10}) 36... Rd7 37. Qe3 Rd1+ 38. Kg2 Rd2+ 39. Kg1 Rd1+ 40. Kf2 Rd2+ 1/2-1/2 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.24"] [Round "5.2"] [White "Heap, Gerry"] [Black "Pinch, David"] [Result "1-0"] [ECO "A37"] [WhiteElo "2160"] [BlackElo "1769"] [Annotator "kemen"] [PlyCount "53"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,53,39,-13,20,-38,45,-4,11,4,13,13,36,27,28,27,56,27,0,0,17,-62,80,6, 84,77,63,53,47,52,38,45,281,-14,13,5,2,2,7,12,18,3,63,69,226,189,194,199,199, 208,278,280,739,477,487,488]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 b6 (5... e6) (5... d6) (5... e5) (5... Nf6 {main lines}) 6. O-O Bb7 7. d3 (7. e3 { main}) 7... e6 (7... Nf6) 8. Bg5 {2 draws, 4 Bl wins} (8. Bf4 {6 Wh wins, 1 draw}) 8... Nge7 9. Ne4 (9. Qd2) 9... d6 (9... d5 {Komodo13} 10. Nf6+ Kf8 11. cxd5 exd5 12. Ng4 h5 13. Bxe7+ Nxe7 14. Ne3 Bxb2 {Troyke-Iotov, Pfalz ch, Neustadt an der Weinstrasse 2009,0-1}) 10. Qc1 (10. d4 f5 11. Nc3 h6 { Komodo13}) 10... Qc7 (10... f5 11. Nc3 h6 {Komodo13}) 11. Bh6 Nf5 (11... O-O) 12. Bxg7 Nxg7 13. Nf6+ (13. Qc3 Kf8 14. e3 {Komodo13}) 13... Kd8 ( 13... Ke7) 14. Qc3 Qe7 15. Ne4 f5 (15... e5 16. Qd2 Ne6 17. Nc3 Kc8 18. a3 f5 19. b4 Qg7 {Komodo13}) 16. Ned2 (16. Nxd6) 16... Rf8 (16... e5 $11) 17. e3 Kc7 18. d4 Rad8 19. a3 Qf6 20. b4 e5 (20... g5 {Bl also has attacking chances}) 21. d5 Ne7 (21... e4 22. Qxf6 Rxf6 23. Ng5 Ne5 24. Nxh7 Rf7 25. Ng5 Rff8 26. h4 {Komodo13}) 22. bxc5 dxc5 (22... bxc5 23. Rab1 Rd7 24. e4 Nc8 25. a4 {Komodo13}) 23. Qxe5+ (23. Nxe5 { Komodo13-stronger}) 23... Qxe5 24. Nxe5 b5 {breaking open the centre, would be a good idea, if only Bl'k were onthe other side of the board} 25. Rab1 bxc4 26. Rxb7+ (26. d6+ {even stronger} Kxd6 27. Ndxc4+ Ke6 28. Rxb7 {Komodo13}) 26... Kxb7 27. d6+ 1-0 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "5.3"] [White "Hammett, Scott"] [Black "Van Kemenade, R.."] [Result "1/2-1/2"] [ECO "A45"] [WhiteElo "1610"] [BlackElo "1977"] [Annotator "kemen"] [PlyCount "93"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,4,39,27,27,5,15]} 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d6 5. Nf3 O-O 6. O-O Nc6 (6... c5 7. c3 Nc6 8. Nbd2 e5 9. fxe5 dxe5 10. dxe5 Qxd3 11. exf6 Bxf6 $15 {Hammett vs Watkin-Jones, Dyfed League 2019,1/2-1/2}) 7. c3 a6 {unnecessary } (7... e5 {main, can be played at once} 8. fxe5 (8. Nbd2 Qe7 {Boot-Van Kemenade,Wakefield-Undercliffe, 1991,0-1}) 8... dxe5 9. Nbd2 (9. dxe5 Ng4 { regains the pawn}) 9... Qe7 (9... Re8 10. Ne4 Nd5 11. c4 Ndb4 12. d5 Nxd3 13. Qxd3 f5 14. Nf2 e4 15. Qb3 Na5 16. Qa4 b6 (16... exf3 17. Qxa5 fxg2 18. Kxg2 Qh4) 17. Nd4 Bd7 {Holding-Van Kemenade, Cheshire-Yorkshire 1982,0-1}) 10. Ne4 Nxe4 11. Bxe4 exd4 12. Bxc6 dxc3 {0-6}) 8. Nbd2 (8. e4 e5 {Cloud Engines}) 8... e5 9. fxe5 dxe5 10. Bc2 Re8 (10... Qe7 11. Nc4 (11. Ne4 Nxe4 12. Bxe4 exd4 13. Bxc6 dxc3) 11... e4 12. Nfe5 Nxe5 13. Nxe5 h5 14. Qe1 Ng4 15. Nxg4 hxg4 16. Qg3 c5 {Bivol-Dmitrenko, Dmitrov 2007,0-1}) 11. Ne4 Nxe4 12. Bxe4 exd4 (12... Bd7 {considered & pm analysis} 13. Bd5 {Komodo13}) 13. Bxc6 bxc6 14. exd4 h6 {too cautious & a weakness , trying to avoid Ng5} (14... Be6 {pm analysis} 15. Bf4 {Komodo13}) (14... Qd6 15. Ng5 Re7 16. Bf4 Qd5 17. Qb3 f6 18. Nf3 Be6 19. Qa3 Rae8 (19... Bf8 20. Bh6 Qd6 21. Qxd6 cxd6 22. Bxf8 Rxf8 23. Rae1) 20. Rfe1 (20. Qxa6 g5 21. Bd2 c5) 20... a5 21. b3 Bf8 {Komodo13}) 15. Ne5 {going for exchanges & opposite colour Bs} (15. Bf4 $11 {Komodo13}) 15... Bxe5 16. dxe5 Qxd1 17. Rxd1 Bg4 (17... Kh7 {Komodo13; with Rs still on, it's a matter of R activity that decides on the the advantage or drawing aspects of the opposite colour Bs} 18. Bf4 g5 19. Bg3 Be6 (19... a5 20. a4 Be6 21. b4 Kg6 22. h4 Reb8 23. hxg5 hxg5 24. Be1 Ra6 25. Rd3 Rba8 26. Rc1 Bf5 27. Re3 Rd8 28. Ra1 {Wh is on the defensive , but should hold}) 20. b4 Red8 21. a4 Rxd1+ 22. Rxd1 Kg6 23. a5 c5 24. Bf2 cxb4 25. cxb4 Rb8 26. Bc5 Kf5 27. Be7 Kxe5 28. Rc1 Bd5 29. Rxc7 Rb7 30. Rxb7 Bxb7 31. Kf2 $11 {Komodo13}) 18. Rd4 Bf5 19. Bxh6 Rxe5 20. Rad1 Re2 (20... f6) 21. R1d2 Rxd2 (21... Rae8 22. Rd8) 22. Rxd2 f6 {allowing a B to f6 would be dangerous} 23. Bf4 Rc8 24. h3 (24. h4 {Komodo13} c5 25. c4 a5 26. Kf2 (26. Rd5 Re8 27. Kf2 Re4 28. Bxc7 Rxc4 29. Bxa5 Be6 30. Rd6 Kf7 31. g3 Rc2+ 32. Rd2 Rxd2+ 33. Bxd2 Bxa2) 26... Be6 27. b3 Kf7 28. Be3 a4 29. Bxc5 Rh8 30. g3 g5 31. hxg5 fxg5 32. Bd4 Rh1 33. Ke3 axb3 34. axb3 Bf5 35. Rf2 Kg6 36. Kd2 Rb1 37. Kc3 Rd1 38. Rd2 Rxd2 39. Kxd2 {looks drawn again}) 24... Kf7 25. g4 Be6 26. b3 g5 27. Be3 Rh8 28. Rh2 (28. Kg2 Re8 29. Bd4 f5) 28... Kg6 29. Bf2 Rd8 30. Bd4 c5 { good enough for equality, but no more} (30... Rd5 31. b4 a5 (31... f5 32. Re2 Rd6 33. gxf5+ Bxf5 34. Kh2) 32. Re2 Bd7 33. a3 axb4 34. axb4 f5 35. gxf5+ Rxf5 36. Re7 Rf7) 31. Bxc5 Rd1+ 32. Kf2 Rd3 (32... Rd2+ 33. Kg1 (33. Kg3 Rd3+ 34. Kf2 Rxc3 35. Bd4 Rd3 36. Be3) 33... Rd1+ 34. Kf2) 33. c4 f5 34. gxf5+ Bxf5 35. Be3 Rc3 36. Rg2 {forcing more exchanges} Rc2+ (36... Bxh3 37. Rxg5+ Kf6 38. Ra5) 37. Kg3 Rxg2+ (37... Rc3 38. Kf2) 38. Kxg2 Bb1 39. b4 Bxa2 40. c5 Kf5 41. Kf2 Bd5 42. Kg3 c6 43. h4 gxh4+ 44. Kxh4 Ke4 45. Bg5 Kd3 46. Bd8 Kc4 47. Ba5 1/2-1/2 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "5.4"] [White "Francis, Matthew"] [Black "Buttell, David"] [Result "1/2-1/2"] [ECO "B53"] [WhiteElo "1664"] [BlackElo "1874"] [Annotator "kemen"] [PlyCount "110"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,110,28,33,50,49,90,58,64,58,58,60,73,64,74,73,73,73,82,83,98,73,76,68, 89,83,80,41,67,-30,-36,-10,-37,-39,-23,-23,-22,-73,-73,-190,-81,-220,-212,-212, -345,-345,-46,-17,-43,-38,-54,-51,29,34,23,23,23,13,8,16,5,10,6,0,0,2,0,0,0,0, 0,3,8,-9,0,0,0,1,28,38,43,0,0,-15,34,0,50,-18,-25,-41,-39,-47,-35,-35,-31,-41, -41,-43,0,-35,-17,-1,-1,-22,-18,-1,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qa5+ (5... Bd7 6. Bxc6 Bxc6 7. Nc3 (7. c4)) 6. Nc3 Qxb5 7. Nxb5 Nxd4 8. Nfxd4 {Wh scores 61%} Kd7 (8... Kd8 {main}) 9. Be3 {58% for Wh} (9. c4 {72% for Wh, main}) 9... Nf6 10. f3 a6 11. Nc3 b5 (11... Kc7 12. a4 (12. O-O-O {main})) 12. O-O-O e5 13. Nf5 (13. Nb3 {Komodo13} Kc7 14. Na5 Be6 15. Rd3 Rb8 16. Rhd1 Be7) (13. Nde2 {Rudy} Bb7 14. Bg5 Be7 15. Bxf6 Bxf6 16. Nd5 Bd8 (16... Bxd5 17. Rxd5 {Komodo13 gives Wh a comfortable good N vs bad B position})) 13... g6 14. Bg5 (14. Nxd6 Bxd6 15. Bc5 Ne8 16. Rxd6+ Nxd6 17. Rd1 Kc6 18. Bxd6 Rd8 19. Bxe5 Rxd1+ 20. Kxd1 f5 {though Wh has 2 pawns for the exchange}) (14. Ng3) 14... Nxe4 15. fxe4 gxf5 16. Bf6 (16. Rhf1 Rg8 17. h4 f4 18. Nd5 Kc6 19. g3 h6 20. Bxh6 Bh3 21. Bxf8 Bxf1 22. Ne7+ Kb7 23. Nxg8 Be2 24. Rxd6 Rxf8 25. Kd2 Rxg8 26. Kxe2 fxg3 27. Kf1 Rh8 28. Kg2 Rxh4 29. Rd7+ Kc6 30. Rxf7 Rxe4 31. Rf6+ Kd5 32. Kxg3 a5 {Komodo13}) 16... Rg8 17. Bxe5 Bb7 (17... Kc6 18. Bg3 Bh6+ 19. Kb1 f4 20. Nd5 Bg4 21. Rdf1 fxg3 22. hxg3 (22. Ne7+ Kb6 23. Nxg8 Rxg8 24. Rxf7 Bg7) 22... Bg5 23. Rxf7 Bd8 {Komodo13}) 18. exf5 (18. Bxd6 Bxd6 19. e5 Rxg2 20. Rxd6+ Ke7 21. Rhd1 Be4 22. R1d2 Rag8 23. Rxa6 b4 24. Nxe4 fxe4 25. Rxg2 Rxg2 26. Rb6 e3 27. Kd1 Rd2+ 28. Ke1 Rxc2 29. Rxb4 Rxh2 {Komodo13}) 18... Rxg2 19. Rhe1 (19. a3) 19... Rc8 (19... Bh6+ 20. Kb1 Bd2 21. Rg1 Rxg1 22. Rxg1 b4 (22... dxe5 23. Rd1 Ke7 24. Rxd2 Rg8) 23. Ne2 dxe5 24. Rd1 Ke7 25. Rxd2 Rg8 26. Kc1 h5 {Komodo13}) 20. Bg3 (20. a3) 20... b4 21. Ne2 Bf3 (21... Be4) 22. Rd2 Bh6 (22... Re8 $19 23. Nf4 Rxg3 24. Ne6 (24. Rxe8 Rg1+ 25. Rd1 Rxd1#) 24... fxe6 25. hxg3 (25. fxe6+ Rxe6 26. Rf1 Rh3) 25... Bh6 {Komodo13}) 23. Bf4 Bxf4 24. Nxf4 { Draw?.} Rxd2 25. Kxd2 Bg4 (25... Rc4 26. Nd3 Rh4 {Komodo13}) 26. Nd5 Kd8 27. Nxb4 {Komodo13} (27. Nf6 Bxf5 28. Re8+ Kc7 29. Nd5+ Kb7 30. Rxc8 Bxc8 ( 30... Kxc8 31. Ne7+) 31. Nxb4) 27... Bxf5 28. c3 (28. Rf1 Rc5 29. Nc6+ Kd7 30. Nd4 Be6 31. Rf4 {Komodo13, Bl has 4 isolated pawns}) 28... a5 29. Nd3 ( 29. Nd5) 29... a4 30. Rf1 Be6 31. Nb4 (31. Rf4 Ra8 (31... Rc4 32. Rxc4 Bxc4 33. Nc1 Be6 34. b3 axb3 35. axb3) 32. a3 {Komodo13}) 31... Rc4 32. Rf2 Kd7 33. b3 axb3 34. axb3 Rh4 35. Kc2 h5 36. Rd2 Rf4 37. c4 h4 38. Nd5 Bf5+ 39. Kb2 Rf3 40. Re2 Be6 41. Nc3 h3 (41... Kc6) 42. Rd2 (42. Nb5 Rd3 43. Kc2 Bf5 44. Rd2 Rg3+ 45. Kb2 Rg6 46. Kc3 Ke7 (46... Be4 47. c5 d5 48. Nd6) 47. Nc7 Kd7 48. Nd5 {Komodo13}) 42... Bf5 (42... Kc6) 43. c5 (43. Nb5 Rd3 44. Rxd3 Bxd3 45. Kc3 Be4 46. Kd4 (46. Nd4 Bg2 47. Ne2 Ke6 48. Kd4) 46... Bg2 47. Nc3 Ke6 48. Ne2 Kf5 49. b4 {Komodo12}) 43... Rd3 44. Rxd3 Bxd3 45. cxd6 Kxd6 46. Nd1 Bf1 47. Kc3 Ke5 48. Ne3 (48. Nf2 Kf4 49. Kd2 Kf3 50. Ke1 Bg2 51. Nd1 f5 52. b4 f4 53. b5 Ke4 54. Nf2+ (54. Kf2 Kd4 55. Nb2) 54... Kd4 55. Kd2) 48... Bg2 49. Kd2 f5 50. Ke2 Be4 51. Kf2 f4 52. Nf1 Kd4 53. Nd2 Bd5 54. Nf3+ Kc3 55. Ng5 Bg2 (55... Bg2 56. Ne6 f3 57. Ng5 Kxb3 58. Nxf3 Kc3 59. Ng5 (59. Kg3) 59... Kd3 60. Nxh3) 1/2-1/2 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "5.5"] [White "Brewer, Joshua"] [Black "Leah, Howard"] [Result "1-0"] [ECO "B14"] [WhiteElo "1488"] [BlackElo "1570"] [Annotator "kemen"] [PlyCount "25"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,25,19,45,30,-9,30,13,7,24,24,26,43,-30,-32,-35,37,-31,340,348,351,343, 503,509,2518,2862,2878,2998]} 1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nc3 g6 (5... e6) (5... Nc6) 6. g3 (6. Qb3 {main} Bg7 7. cxd5 O-O 8. Be2 Nbd7 9. Bf3 Nb6 10. Nge2 Bg4) (6. cxd5) (6. Nf3) 6... Nc6 (6... Bg7) (6... dxc4) 7. Be3 (7. cxd5) 7... Bf5 (7... Bg7) 8. Bg2 Nb4 {too amibitious} (8... Qa5 $15) 9. Qa4+ Nc6 10. cxd5 Qa5 (10... Nxd5 11. Bxd5 Bd7 {limits the damage}) 11. dxc6 Qb6 (11... Qxa4 12. cxb7 Rb8 13. Nxa4 Be4 14. Bxe4 Nxe4 15. Nc5) 12. cxb7+ Nd7 13. bxa8=Q+ 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "5.6"] [White "Osinga, Awne"] [Black "Bates, Toby"] [Result "1-0"] [ECO "C55"] [WhiteElo "1309"] [BlackElo "1119"] [Annotator "kemen"] [PlyCount "101"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,101,26,22,24,24,21,24,15,5,9,8,26,6,40,13,5,-7,9,-21,-9,-29,-2,-38,9, -12,-8,-16,-15,-16,-11,-15,-5,-33,-23,-8,51,62,91,50,122,63,53,20,61,17,39,39, 81,15,129,100,102,96,216,212,215,192,213,213,213,293,333,127,281,191,326,315, 334,341,336,-6,324,-29993,0,6,90,79,82,93,178,192,186,193,196,332,351,345,408, 358,394,342,699,893,964,1008,1028,1046,1097,1158,1200,1168,1396,1532]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 (4. d3) (4. Ng5) (4. d4) 4... Bc5 5. O-O (5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 {the Canal var}) 5... a6 (5... O-O) 6. a3 b5 (6... d6) 7. Be2 {[%emt 0:00:03] Awne used to put the B here on move} (7. Ba2 Bb7 8. d3 h6 {1 Wh win, 1 draw, ! Bl win}) 7... Bb7 8. d3 O-O 9. Bg5 h6 ( 9... Be7 {has been played in similar positions}) 10. Bh4 (10. Bxf6 Qxf6 11. Nd5 Qd8 12. c3) 10... Re8 11. Nd5 Be7 (11... g5 12. Nxf6+ Qxf6 13. Bg3 Rad8 {Komodo13}) 12. Nxe7+ (12. Bxf6 Bxf6 13. c3 Nb8 14. Nxf6+ Qxf6 15. a4 Nc6 16. Qb3 Na5 17. Qa3 d6 {Komodo13}) 12... Qxe7 13. Nd2 Rad8 (13... Nd4 14. c3 Ne6 15. Bg3 d6 (15... d5)) 14. b4 Nd4 15. f3 {a bit defensive, hems in the wh squared B} (15. c3) (15. Re1) 15... d5 (15... c5 {Komodo13}) 16. Bf2 dxe4 {releases the tension} (16... c5 17. bxc5 Nd7 {Komodo13}) 17. fxe4 Nxe2+ {this is a much better piece than Wh's B, even if it has been given a little bit more space by the last move} (17... c5) (17... Rd6) 18. Qxe2 Nh7 19. Bc5 Qg5 20. Rf5 Qg6 21. Raf1 (21. a4) 21... Ng5 (21... f6) 22. Kh1 Bc8 23. R5f2 Ne6 (23... Be6) 24. Qe3 (24. Rxf7 Nf4 (24... Qxf7 25. Rxf7 Kxf7 26. Qh5+ Kg8 27. Qxe5) 25. R7xf4 exf4 26. Rxf4 Be6 27. h3 { Komodo13}) 24... Nf4 (24... Nd4 25. c3 Ne6 26. Rxf7) 25. g3 (25. Nb3 f6 {Komodo13}) 25... Nh5 26. Rxf7 Nf6 (26... Bh3 27. R1f2 Nf6 28. R7xf6 gxf6 29. Qf3 Kf7 {Komodo13}) 27. Rxc7 Bh3 28. Rg1 {the R can now avoid going to f2, which it had to do previously to support its fellow on f7} (28. Ra1) 28... Re6 (28... Rc8) 29. Be7 (29. g4 Bxg4 30. Qh3 Qg5 31. Qg2 Kh8 32. Be7 Rg8 33. Bxf6 gxf6 34. Qf2 Qf4 35. Qxf4 exf4 36. Kg2 Bh3+ 37. Kf2 Rxg1 38. Kxg1 $18 {Komodo13}) 29... Re8 (29... Ng4 30. Qc5 Rxe7 31. Rxe7 Rf8 32. Rg2 ( 32. Re1 Rf2 {is worse}) 32... Bxg2+ 33. Kxg2 Rf2+ 34. Qxf2 (34. Kg1 Rxd2) 34... Nxf2 35. Nf3 (35. Kxf2 Qf6+) 35... Ng4 {Komodo13}) 30. Bxf6 Rxf6 31. Rc5 ( 31. g4 {trapping the B}) 31... h5 (31... Qh5 32. g4 Bxg4 {Komodo13}) ( 31... Qg4 32. Re1 Qd7 {Komodo13}) 32. Nf3 {the e pawn is vulnerable} Rxf3 33. Qxf3 Rf8 34. Qe3 Bg4 35. Qe1 (35. h3 Bxh3 36. Rxe5 {Komodo13}) ( 35. h4 {Komodo13}) 35... Qf6 (35... Bf3+ 36. Rg2 Qe6 {Komodo13}) 36. d4 (36. h4) (36. h3 Bxh3 37. Kh2) 36... Bf3+ (36... Qf3+ 37. Rg2 Qf1+ 38. Qxf1 (38. Rg1 Bf3#) 38... Rxf1+ 39. Rg1 Bf3# {Komodo13}) 37. Rg2 exd4 ( 37... Bxg2+ 38. Kxg2 Qf3+ 39. Kg1 exd4 {Komodo13}) 38. Rf5 Bxg2+ 39. Kxg2 Qg6 (39... Qc6) 40. Rxf8+ Kxf8 41. Qf2+ Qf6 (41... Kg8 42. Qxd4) 42. Qxf6+ (42. e5 Qxf2+ 43. Kxf2 {Komodo13}) 42... gxf6 43. Kf3 (43. Kh3) (43. g4 $18) 43... Ke7 44. Kf4 Ke6 45. h4 (45. h3) 45... Ke7 46. Kf5 (46. g4) 46... Kf7 47. g4 hxg4 48. Kxg4 Kg6 49. h5+ Kh6 50. Kf5 Kxh5 51. Kxf6 1-0 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "5.7"] [White "Williams, R Gareth"] [Black "Brewer, Ben"] [Result "0-1"] [ECO "D00"] [WhiteElo "1678"] [BlackElo "1573"] [Annotator "kemen"] [PlyCount "46"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,46,18,13,28,21,34,27,28,26,36,25,29,39,35,25,25,8,9,-40,3,-10,46,-8, 18,-34,-16,-59,-46,-83,-71,-186,-181,-196,-208,-214,-192,-177,-200,-193,-192, -192,-175,-189,-176,-245,-179,-194,-175]} 1. d4 d5 2. Nc3 e6 3. Bf4 Nf6 4. e3 Be7 (4... Bd6 5. Bd3 O-O 6. Nge2 (6. Nf3 {main}) 6... c5 7. dxc5 Bxc5 8. O-O Nc6 9. Bg5 Be7 10. Ng3 {Turner-Rendle, GBR blitz nov 2019,1-0}) 5. Nf3 O-O 6. Bd3 b6 (6... c5) (6... a6) 7. Ne5 Bb7 8. a4 (8. Qf3 {2.5-1.5}) 8... c5 9. Nb5 Na6 (9... c4 10. Be2 Ne4 11. f3 Nd6 12. O-O a6 13. Nxd6 Bxd6 {Komodo13}) 10. c3 h6 (10... Nb8 {Cloud Engines}) 11. g4 Ne4 12. Bxe4 dxe4 13. Bg3 cxd4 $15 14. Nxd4 (14. exd4) 14... Nc5 15. Rg1 (15. O-O) 15... Bf6 16. b4 Bxe5 (16... Nd3+ 17. Nxd3 exd3 18. Ra3 e5 {Komodo13}) 17. bxc5 Bxg3 18. Rxg3 bxc5 19. Nb3 Qf6 (19... Qg5) 20. Qc2 Rac8 (20... Qe5) 21. Rd1 Rfd8 22. Rd2 Rxd2 23. Nxd2 Qe5 {White disqualified himself because his phone rang.} ( 23... Bc6) (23... Rd8) 0-1 [Event "Dyfed Closed"] [Site "Tanygroes"] [Date "2019.11.23"] [Round "5.9"] [White "Greenwood, Ray"] [Black "Gunn, Tom"] [Result "0-1"] [ECO "B40"] [WhiteElo "1315"] [BlackElo "1400"] [Annotator "kemen"] [PlyCount "72"] [EventDate "2019.11.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "WLS"] [SourceVersionDate "2019.11.26"] {[%evp 0,72,19,31,72,53,43,6,77,26,27,21,51,41,9,-4,-6,-24,12,-17,34,13,17,-3, -3,-8,-2,-44,-27,-41,10,1,-5,-30,-21,-17,-17,-39,-24,-2,-39,-154,7,6,51,18,43, -36,-32,-6,-17,-54,-6,-63,-88,-129,-26,-53,41,-65,-83,-243,-337,-603,-1045, -1182,-1233,-1328,-1615,-2143,-586,-590,-593,-29999,-30000]} 1. e4 c5 2. Nf3 e6 3. c3 b6 (3... d5) (3... Nf6) (3... Nc6) 4. Bc4 (4. d4 {main}) 4... Bb7 5. d3 ( 5. Qe2) 5... d5 (5... Nc6) 6. Bb5+ (6. exd5 exd5 7. Bb5+ (7. Bb3 a5 8. Bf4 a4 9. Bc2 c4 10. d4 Nc6 11. Nbd2 a3 12. b4 Bxb4 13. cxb4 Nxb4 14. Ba4+ {El Bachir-Kalaria, BCF ch U08, Bournemouth 2016,1-0}) 7... Bc6 8. c4 Bd6 9. O-O Ne7 10. Nc3 d4 11. Ne4 O-O {Knoeppel-Baumann, Wld ch ICCF 2011,1/2-1/2}) 6... Bc6 7. Bxc6+ Nxc6 8. exd5 exd5 9. O-O Be7 10. Re1 Nf6 11. Bg5 O-O 12. Nbd2 (12. d4) 12... Re8 13. Nf1 h6 14. Bh4 Nh5 15. Bxe7 Rxe7 16. Ne3 Qd7 17. Nh4 ( 17. d4) 17... Nf6 18. Qf3 Rae8 (18... Re6 19. Nhf5 Kh7 {Komodo13}) 19. Nhf5 Re5 (19... Re6) 20. Nxh6+ {a neat trick, but according to Komodo13 it should actually lose!} (20. d4 cxd4 21. cxd4 Re4 22. Nxh6+ gxh6 23. Qxf6 R8e6 24. Qf3 Nxd4 {Komodo13}) 20... gxh6 (20... Kh7 21. Nhf5 d4 22. cxd4 cxd4 23. Nxg7 (23. Nc2 Rxf5) 23... Kxg7 24. Nc2 Qd5 {Bl's K is quite safe; Komodo13}) 21. Qxf6 R8e6 {the active Bl pieces compensate for the pawn} 22. Qf4 Qe7 (22... d4 23. cxd4 (23. Nc2 dxc3 24. bxc3 Qxd3) 23... Nxd4 24. Rad1 Qe7 {Komodo13}) 23. d4 (23. Rf1 {gets out of the dangerous pin}) 23... cxd4 24. cxd4 Re4 25. Qg3+ Rg6 26. Qf3 (26. Qh3 Nxd4) 26... Nxd4 27. Qh3 Rge6 (27... Kh7) 28. Rac1 (28. Rad1) 28... R6e5 ( 28... Kh7) 29. Kf1 (29. Qxh6 {the outside h pawn could well become significant in an endgame}) 29... Nf5 (29... Kh7) 30. Rc2 (30. Nc2) 30... d4 {the pin has become deadly} 31. f4 Rxf4+ 32. Kg1 Rxe3 33. Rc8+ Kh7 34. Rxe3 Qxe3+ (34... dxe3 {is even stronger-Komodo13} 35. Rc1 e2 36. Qc3 (36. Re1 Qc5+ {backrank}) 36... Qe4 37. h3 Ne3 {and the K cannot be protected}) 35. Qxe3 Nxe3 36. g3 (36. h3 d3 37. Rd8 Rf1+ 38. Kh2 Rd1 39. Kg3 d2 {and the position of Wh's K allows either a R check or a N check}) 36... Rf1# 0-1 [Event "Dyfed Closed"] [Site "?"] [Date "2019.11.24"] [Round "5.7"] [White "Orton, Paul"] [Black "Van Kemenade, J.."] [Result "1-0"] [ECO "A46"] [WhiteElo "1584"] [BlackElo "1729"] [Annotator "kemen"] [PlyCount "49"] [EventDate "2019.??.??"] [SourceVersionDate "2019.11.26"] {[%evp 0,8,26,37,30,15,47,25,51,57,84]} 1. d4 Nf6 2. Bf4 d6 (2... g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 O-O 6. O-O-O Nbd7 7. Nf3 {Orton-Miller, Duyfed League 2018,1-0} ) 3. Nf3 Nbd7 (3... g6 4. Nc3 Bg7 5. e4 a6 6. Qd2 b5 7. Bd3 Bb7 8. a3 c5 { Orton vs Watkin-Jones, Dyfed League 2018,0-1}) 4. Nc3 Nh5 (4... c5) (4... c6) ( 4... g6 {alternatives}) 5. Bg5 (5. Bd2) 5... h6 6. Bh4 (6. Bd2 {scores better for Wh; 3 Wh wins, 3 draws}) 6... g5 7. Bg3 Bg7 {1 draw, 6 Bl wins} (7... f5 8. e3 {1 game each}) 8. e4 (8. e3) 8... c6 (8... c5 {Cloud Engines} 9. d5 Qa5 10. Qd2 Qb4 11. O-O-O a6 12. Ne1 Ne5 13. Bxe5 Bxe5 14. Nd3 Bxc3 15. Qxc3 Qxc3 16. bxc3 c4 17. Ne1 b5 {Rebut-Lorans, St Denis REU oct 2019,0-1}) (8... Nxg3 9. hxg3 e5 (9... c5 10. d5 a6 11. Qd2 Qc7 12. Be2 b5 {Rojas Fernandez-Dominguez Rueda, Campionat de Veterans Catalunya 2018,0-1}) 10. dxe5 Nxe5 11. Nd4 Nc6 12. Bb5 Bd7 13. Bxc6 bxc6 14. Qd3 Qf6 {Dimitrijevic-Goric, CRO ch tm 2013,1/2-1/2}) (8... e6 9. Qd2 f5 10. h3 Nxg3 11. fxg3 O-O 12. O-O-O c6 13. Kb1 b5 {Kahn-Efimov, EU-ch Small Nations, Larnaka 2014,0-1}) 9. Be2 Nxg3 (9... g4 10. Nh4 Qb6 {Fritz16 & Komodo13}) (9... b5 {Stockfish10}) 10. hxg3 Qb6 11. Qd2 (11. Na4 Qa5+ 12. Nc3 Nf8 {both Engines} (12... b5)) 11... Nf6 (11... Qxb2 12. O-O Qb6 {both Engines}) (11... g4 {Rudy (Komodo13 4th choice)} 12. Na4 Qd8 13. Nh4 e6 14. Nc3 Qg5 {Komodo13}) 12. e5 Ng4 13. exd6 exd6 14. O-O Bd7 (14... O-O {both Engines}) 15. Ne4 Qc7 {Fritz16} (15... O-O 16. Nxd6 Qc7 17. Ne4 {komodo13}) 16. c4 (16. Qb4 {both Engines} Bf8 (16... O-O 17. Qxd6 Qd8 {komodo13}) 17. d5 {Fritz16}) 16... O-O-O (16... O-O {looks safer; preferred by the 3 Engines}) (16... Nf6 17. Nxf6+ Bxf6 { Fritz16}) (16... f5 17. Nc3 O-O-O {Komodo13}) 17. Rfe1 (17. c5 Bf8 { both Engines}) 17... f5 18. Nc3 Rdf8 (18... Kb8 19. Bd3 Rhe8 {Fritz16}) ( 18... Rhf8 19. Bd3 f4 20. gxf4 Rxf4 {Komodo13; Stockfish10 has Bl a definite plus}) 19. Bd3 Qd8 (19... Kb8 {both Engines} 20. Rab1 (20. Ne2 c5 21. Nc3 Bc6 22. Nb5 Bxb5 23. cxb5 f4 24. gxf4 Rxf4 {Stockfish10}) 20... f4 21. gxf4 Rxf4 {Stockfish10 considers this position winning for Bl}) (19... f4 20. gxf4 Rxf4) 20. b4 {Komodo13} (20. a4 {Fritz16}) 20... Qf6 (20... f4 21. gxf4 Rxf4 {both Engines; Stockfish10 slightly favours Bl}) (20... h5 { an initial idea of Komodo13} 21. b5 h4 22. gxh4 gxh4 23. Qf4 Qc7 24. bxc6 bxc6 25. Qd2 h3 26. Rab1 hxg2 27. c5 dxc5 28. Ba6+ Kd8 29. Rb7 Rh1+ 30. Kxg2 Rh2+ 31. Kg1 Rxf2 32. Qxf2 Nxf2 33. Rxc7 Nh3+ 34. Kh2 Kxc7 35. Kxh3 cxd4 (35... Bxd4)) 21. b5 {Stockfish10 judges Wh to be winning here} c5 (21... Kb8 {both Engines, but Wh should be winning} 22. bxc6 (22. Rab1 {Komodo13 also}) 22... Bxc6 (22... bxc6 23. Rab1+ Ka8 24. Na4) 23. Rab1 Re8 24. Nd5 Rxe1+ 25. Qxe1 Bxd5 26. cxd5 Qf7 27. Qe6 {Komodo13}) 22. Nd5 {Fritz16} (22. b6 a6 23. Nd5 Qd8 24. Rad1 Rf7 25. Qa5 {is judged by Komodo13 to be even stronger} Nxf2 (25... Kb8 26. dxc5 dxc5 27. Bc2 Re8 28. Rxe8 Qxe8 29. Qxc5 Qd8 30. Nc7 $18 {Komodo13}) 26. Kxf2 g4 27. Ne5 dxe5 28. dxe5 Be6 29. Nf4 Qd4+ 30. Re3 Re8 31. Ne2 {Komodo13}) 22... Qf7 (22... Qd8 {both engines} 23. b6 a6 { transposes to above note}) 23. Re7 (23. Qa5 {both Engines} Kb8 24. Qc7+ Ka8 25. Re7) 23... Qg6 24. Qa5 Bxb5 (24... Kb8 25. Qc7+ Ka8 26. Qxd7 Rb8 27. Nc7#) 25. Qc7# 1-0