[Event "2024 4th Bel Air National Chess Day"] [Site "Bel Air"] [Date "2024.10.12"] [Round "1"] [White "Siwinski, Chad"] [Black "Coffee, Terry"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "1116"] [BlackElo "1800"] [Annotator "Allman,Matt"] [PlyCount "88"] [GameId "2099980929622047"] [EventDate "2024.10.12"] [EventType "swiss"] [EventRounds "5"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 13,88,12,15,10,15,7,25,-12,-14,-20,-18,-23,-37,-129,0,-111,-32,-87,-74,-78,-78,-92,-95,-108,-70,-106,-81,-74,-122,-276,-198,-262,-264,-263,-251,-214,-193,-194,-121,-121,-125,-109,-121,-263,-214,-453,-178,-166,-75,-64,-10,-7,45,0,58,60,64,52,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] C01: French: Exchange Variation} 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. h3 Be6 8. Re1 (8. Nbd2 Re8 9. c4 c6 10. c5 Bc7 11. Re1 Nbd7 12. Ng5 Nf8 13. Ndf3 h6 14. Nxe6 Nxe6 15. Be3 Ne4 16. Qb3 Rb8 17. Rad1 f5 18. Qc2 Qf6 19. Bxe4 dxe4 20. Nd2 Kh8 21. f3 Nxd4 22. Qc4 Nxf3+ {Blees,A (2405)-Paneque,P (2375) Cienfuegos 1997 0-1 (42)}) 8... Nbd7 (8... Nc6 9. c3 h6 10. Be3 Qd7 11. Nbd2 Bf5 12. Qc2 Bxd3 13. Qxd3 Rfe8 14. Qc2 Rab8 15. b3 a6 16. Nh4 Ne4 17. Nf1 h5 18. Bd2 g5 19. Nf3 g4 20. Ng5 Nxg5 21. Bxg5 gxh3 22. gxh3 Qxh3 23. f4 {Alexis,A-Vo Mai Truc Hue 2012 ½-½ (79)}) 9. Be3 $146 {[#]} (9. Nbd2 c6 10. Ng5 Re8 11. Nxe6 Rxe6 12. Bf5 Rxe1+ 13. Qxe1 Qc7 14. Nf3 Re8 15. Qd1 a5 16. Be3 b5 17. c3 Bf4 18. Bxf4 Qxf4 19. Bxd7 Nxd7 20. Qf1 f6 21. a4 bxa4 22. Rxa4 Ra8 23. Qe1 {½-½ (23) Berthy,A (1641)-Burike,C (1543) Recklinghausen 2006}) (9. Ne5 c5 10. Nxd7 Qxd7 11. dxc5 Bxc5 12. Qf3 Rae8 13. Bd2 Ne4 14. Be3 Bxe3 15. Qxe3 a6 16. c3 Bf5 17. Na3 Qd6 18. Qd4 Bg6 19. Rad1 Re6 20. Bxe4 Bxe4 21. Rxe4 Rxe4 22. Qxe4 Qxa3 23. Qxh7+ Kxh7 {La Nguyen Thao,N-Vo Thi Nhiem Vung Tau 2000 ½-½ (49)}) 9... c5 10. c3 {[%eval -12,22]} (10. dxc5 $142 {[%eval 25,21]} Nxc5 11. Nc3) 10... c4 $11 11. Bc2 Qb6 12. b4 a5 13. bxa5 {[%eval -129,22]} (13. Nbd2 $15 {[%eval -37,23]}) 13... Rxa5 {[%eval 0,24]} (13... Qb2 $17 {[%eval -129,22]} 14. Nbd2 Qxc3) 14. a3 {[%eval -111,23]} (14. a4 $11 {[%eval 0,24] keeps the balance.}) 14... Rfa8 {[%eval -32,24]} (14... Qb2 $17 {[%eval -111,23]} 15. Nbd2 Rxa3 16. Rxa3 Qxa3) 15. Bc1 {[%eval -87,22]} (15. a4 $1 $15 {[%eval -32,24]}) 15... Qc7 $36 {[%mdl 2048] Black is on the roll.} 16. Ng5 {[#]} Nf8 $1 17. Nxe6 Nxe6 18. Qf3 Bf4 {[%eval -70,21]} (18... b5 $17 {[%eval -108,21][%CAl Ob5b4]} 19. Rd1 b4 20. cxb4 Bxb4) 19. Rxe6 {[%eval -106,26]} Bxc1 ({Much weaker is} 19... Bh2+ 20. Kh1 fxe6 21. g3 $11) 20. Rxf6 gxf6 21. Qxf6 {[%eval -276,26]} (21. g3 $17 {[%eval -122,25]}) 21... Qc6 ({And not} 21... Re8 22. g3 $19) 22. Qh4 {[%eval -262,25]} (22. Qf3 {[%eval -198,26] keeps fighting.}) 22... Qh6 $19 23. Qg3+ Qg7 {White must now prevent ...Qxg3.} 24. Qf3 Re8 ({Stronger than} 24... Bxa3 25. Nxa3 Rxa3 26. Re1 $15) 25. Kf1 {Inhibits Re1+.} Bh6 {[%eval -121,28]} (25... Re6 $19 {[%eval -194,27] Threatens to win with ...Rf6.} 26. Bf5 Rh6) 26. a4 $17 Qg5 {[#] aiming for ...Qc1+.} 27. Na3 Ra6 28. Bxh7+ {[%eval -263,28]} Kf8 29. Nb5 $2 {[%eval -453,28]} (29. Rb1 {[%eval -214,26]} Rf6 30. Qg4) 29... Rf6 $19 30. Qg4 Qxg4 {[%eval -75,25]} (30... Qd2 $19 {[%eval -166,28][%csl Gf6][%CAl Rd2f2]} 31. Qg8+ Ke7) 31. hxg4 $17 Kg7 {[%eval -10,27]} (31... Bd2 $15 {[%eval -64,26]} 32. Bf5 Rh6) 32. Bf5 $11 Rd8 {[%eval 45,28]} (32... Bd2 $11 {[%eval -7,26]} 33. g3 Rh6) 33. Re1 {[%eval 0,29]} (33. g3 $14 {[%eval 45,28]}) 33... Kf8 {[%eval 58,28]} ({Black should try} 33... Rb6 $11 {[%eval 0,29]}) 34. g3 $14 Ra6 35. Bc2 Re6 36. Rxe6 {[%eval 0,30]} (36. Rd1 $14 {[%eval 46,24]}) 36... fxe6 {[%mdl 4096] Endgame KRB-KBN. The position is equal.} 37. f4 Ke7 38. Ke2 Bg7 39. Kf3 Rh8 40. Kg2 {Prevents Rh2+.} b6 41. Kg1 Kd7 42. Kg2 Bf8 43. Kg1 Rg8 44. Bd1 Bg7 {Weighted Error Value: White=0.32/Black=0.27 (precise)} 1/2-1/2 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel Air"] [Date "2024.??.??"] [Round "2"] [White "Weber, Whitaker"] [Black "Alejandrino, Franco"] [Result "0-1"] [ECO "A01"] [WhiteElo "1754"] [BlackElo "1919"] [Annotator "matta"] [PlyCount "110"] [GameId "2100232571519041"] [EventDate "2024.10.12"] [EventType "swiss"] [EventRounds "5"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%csl Ga1][%evp 12,110,23,38,27,17,24,21,16,7,33,18,50,38,41,38,38,45,56,34,64,48,71,36,32,33,48,44,55,14,52,53,51,50,88,85,92,102,101,101,114,98,102,87,95,88,101,64,166,158,192,104,154,133,106,-198,192,-83,-77,-15,-30,-36,-61,-30,-32,-53,-40,-220,-62,-112,-82,-77,0,0,0,0,0,0,0,0,0,-108,-94,-95,-41,-1605,-2346,-1666,-1180,-1907,-1442,-1822,-1475,-1552,-1221,-1400,-1032,-2163,-1998,-2266,-1442] A01: Nimzowitsch-Larsen Opening} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 d6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Bd7 8. O-O O-O 9. Nxc6 {[#]} (9. Bxc6 bxc6 10. Qf3 c5 11. Nc6 Bxc6 12. Qxc6 Qd7 13. Qa6 Nd5 14. Rd1 Bf6 15. Bxf6 Nxf6 16. Nc3 Rfe8 17. h3 h6 18. Rd3 Qc8 19. Qc6 Rb8 20. Qa4 a6 21. a3 Qb7 22. Rad1 Re5 23. Qc4 Rbe8 {Turner,J (2346)-Batakovs,O (2182) Pardubice 2005 ½-½ (54)}) 9... bxc6 {The position is equal.} 10. Be2 Bf5 $146 (10... a5 11. c4 (11. a4 Nd5 12. Bf3 Bf6 13. Bd4 Nb4 14. Nc3 Re8 15. Rc1 Bf5 16. Ne2 Rb8 17. Bxf6 Qxf6 18. Nd4 Rb6 19. Nxf5 Qxf5 20. Qd2 Re5 21. Rfd1 h5 22. h3 g6 23. e4 Qf6 24. Rb1 c5 25. Rf1 Rb8 {Velasquez Ojeda,C (2320)-Salazar Jacob,H (2345) Santiago de Chile 1981 0-1 (43)}) 11... a4 12. bxa4 Rb8 13. Qc2 Bf5 14. Qxf5 Rxb2 15. Nc3 g6 16. Qd3 Nd7 17. Rfb1 Nc5 18. Qd1 Rxb1 19. Rxb1 Qa8 20. Bf3 Qa6 21. Ne2 Nxa4 22. Qc2 c5 23. Nf4 Nb6 24. Nd5 Nxd5 25. Bxd5 {Vogt,L (2440)-Uhlmann,W (2560) Leipzig 1973 ½-½}) (10... Ne4 11. f3 Bf6 12. Bd4 c5 13. fxe4 cxd4 14. exd4 c5 15. c3 Rb8 16. e5 dxe5 17. dxc5 e4 18. b4 a5 19. a3 Qc7 20. Rxf6 gxf6 21. Nd2 Be6 22. Nxe4 Qe5 23. Bf3 f5 24. Qd6 Qg7 25. Ng3 {Nei,M (2300)-Sergejev,R (2377) Tallinn 2000 1-0 (33)}) 11. c4 c5 {[%eval 50,21]} (11... Ne4 $11 {[%eval 18,23]}) 12. Bf3 Be4 13. Nc3 Bxf3 14. Qxf3 Re8 15. Rfd1 Qd7 16. Rd2 Rab8 17. Nd5 {[%eval 36,25]} (17. Re1 $16 {[%eval 71,24]}) 17... Nxd5 $14 18. Qxd5 Qe6 19. Qc6 Rec8 20. Rad1 {[%eval 14,23]} (20. Qa6 $14 {[%eval 55,24]}) 20... Bf6 {[%eval 52,25]} (20... a5 $11 {[%eval 14,23]}) 21. Bxf6 Qxf6 22. Qa6 Qc3 {[%eval 88,23]} (22... Ra8 $14 {[%eval 50,24]}) 23. Qxa7 $16 Qb4 {aiming for ...Ra8.} 24. Qa6 g6 25. Qc6 Ra8 26. Qd7 Qb6 27. h4 Re8 28. h5 Re6 29. hxg6 {[%eval 64,25]} (29. Re2 $16 {[%eval 101,23]}) 29... Rxg6 {[%eval 166,25]} (29... hxg6 $14 {[%eval 64,25]} 30. Re2 Rae8) 30. Rd5 Qa5 {[%eval 192,24]} (30... Qb8 $16 {[%eval 158,26]} 31. R1d2 Qe8 32. Qxe8+ Rxe8) 31. Rf5 {[%eval 104,28]} (31. a4 $18 {[%eval 192,24]}) 31... Rf8 {[%eval 154,26]} ({Better is} 31... Qxa2 {[%eval 104,28]} 32. Qxf7+ Kh8) 32. a4 Qc3 33. Qb5 {[%eval -198,26][%mdl 8192]} (33. Qxc7 Qc2 34. Rfd5 Qe4) (33. Rfd5 $16 {[%eval 106,27] stays on course.}) 33... Qg7 $4 {[%eval 192,25][%mdl 8192] [#]} (33... Qc2 $19 {[%eval -198,26] and all is fine.} 34. Rfd5 Qe4) 34. g3 $2 {[%eval -83,24] [#]} (34. Qb7 $1 $18 {[%eval 192,25]}) 34... Rxg3+ $1 $17 35. fxg3 Qxg3+ 36. Kf1 Qh3+ 37. Ke2 $1 Qxf5 $11 {[%mdl 4096] Endgame KQR-KQR} 38. Qb7 Re8 (38... Qe5 $5 {[%CAl Rf8e8]} 39. Kd3 Re8 $15) 39. Rd3 $2 {[%eval -220,25]} ({White should try} 39. Rg1+ $1 $15 {[%eval -40,24]} Kh8 40. Rg3) 39... Qg4+ $2 {[%eval -62,27]} (39... Qe5 $19 {[%eval -220,25] White must now prevent ...Re6.} 40. Kd1 Qb2) 40. Qf3 {[%eval -112,25]} (40. Kd2 $1 $15 {[%eval -62,27]}) 40... Qxf3+ 41. Kxf3 $17 {KR-KR} Rb8 {[%eval 0,28]} (41... Kg7 $17 {[%eval -77,29]}) 42. Ke4 $11 Kf8 43. Kd5 $1 {Hoping for Kc6.} ({Of course not} 43. a5 Ke7 44. Rd1 Rxb3 $17) 43... Rb6 44. e4 Ke7 {[%csl Gb6][%CAl Rc7c6]} 45. e5 dxe5 {[%CAl Bd6e5,Be5e4,Be4e3][%mdl 32]} 46. Kxc5 {[%eval -108,25]} (46. Kxe5 $11 {[%eval 0,27]} Re6+ 47. Kf5) 46... e4 $17 47. Rh3 Re6 {[%eval -41,25]} (47... Rd6 $17 {[%eval -95,25]}) 48. Rxh7 $2 {[%eval -1605,24][%mdl 8192]} (48. Kd4 $15 {[%eval -41,25]}) 48... e3 $19 {Black is clearly winning.} 49. Rh1 f5 {[%CAl Bf7f5,Bf5f4][%mdl 32]} 50. a5 f4 51. Rh7+ Kd8 52. Rh8+ {[#]} Kd7 $1 53. Rh7+ Kc8 {( -> ...e2)} 54. Kd5 Rd6+ 55. Ke4 e2 {Weighted Error Value: White=0.83/Black=0.65} 0-1 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.13"] [Round "4"] [White "Vanegas, Jonathan"] [Black "Weber, Whit"] [Result "1-0"] [ECO "A42"] [WhiteElo "1280"] [BlackElo "1754"] [Annotator "matta"] [PlyCount "91"] [GameId "2100272035213406"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 10,91,53,18,13,12,17,15,25,16,24,18,27,22,31,34,69,75,96,82,74,85,101,91,89,81,187,123,231,208,288,303,295,229,192,211,246,88,101,99,102,103,93,95,136,139,129,173,564,515,554,540,629,591,700,398,606,538,816,518,499,401,1199,862,1065,666,1286,1011,29987,416,412,382,502,363,410,356,769,232,29995,620,690,310,29995,29996] A42: Modern Defence: Averbakh Variation} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 e5 5. d5 Ne7 6. Be3 {[%eval 18,22]} (6. h4 $14 {[%eval 53,21] feels stronger.}) 6... O-O 7. Qd2 f5 8. f3 Nd7 {The position is equal.} 9. O-O-O (9. h3 Nf6 10. g4 Kh8 11. Bd3 c6 12. Nge2 Bd7 13. c5 fxe4 14. fxe4 cxd5 15. cxd6 Nc8 16. g5 d4 17. gxf6 Bxf6 18. Bh6 dxc3 19. Qxc3 Nxd6 20. Bxf8 Qxf8 21. Rc1 Rc8 22. Qa5 Bh4+ 23. Kd1 Bc6 {Chapliev,A (2314)-Skorchenko,D (2420) Krasnodar 2002 0-1}) 9... a6 $146 (9... f4 10. Bf2 Nf6 11. c5 Ne8 12. Bc4 Bd7 13. Nge2 Kh8 14. Kb1 a6 15. Bb3 g5 16. Rc1 Ng6 17. h3 Rf7 18. Ba4 Bxa4 19. Nxa4 Bf8 20. cxd6 Bxd6 21. Nc5 Bxc5 22. Bxc5 Nd6 23. Qc2 Rc8 {½-½ (23) Gonzalez Vega,A (2218)-Isidron Marcelo,G (2090) Havana 2011}) (9... Nf6 10. h3 f4 11. Bf2 Nh5 12. Nge2 Bd7 (12... Kh8 13. Kb1 Ng8 14. Nc1 Bf6 15. Bd3 Bh4 16. Bg1 Ng3 17. Rh2 Nf6 18. c5 Ne8 19. Nb3 Rf7 20. Ne2 Kg8 21. Rc1 h5 22. Nc3 Be7 23. a3 g5 24. Ne2 Rg7 25. Bb5 g4 26. hxg4 hxg4 27. Bxe8 {Jones,L (2189)-Noguchi,K (1832) Kuala Lumpur 2005 ½-½ (75)}) 13. Kb1 a6 14. Rc1 Kh8 15. Rg1 Ng8 16. Nd1 b6 17. Rc3 Bh6 18. Qe1 Rf7 19. g4 fxg3 20. Nxg3 Nxg3 21. Bxg3 Qg5 22. f4 exf4 23. Bf2 Qe7 24. Rf3 {Stevanec,L (2131)-Srebrnic,A (2290) Kozje 2008 0-1 (41)}) 10. h4 {[%CAl Bh2h4,Bh4g5][%mdl 32]} f4 11. Bf2 {[%CAl Be3f2,Bf2h4,Bh4g3][%mdl 32]} b6 12. Kb1 h5 {[%eval 69,23]} (12... h6 $142 {[%eval 34,22]}) 13. Nh3 $14 Bh6 14. Ng5 Bxg5 15. hxg5 Kg7 16. Bh4 Rf7 17. Bd3 c5 {[%eval 187,23]} (17... a5 $16 {[%eval 81,23]}) 18. Rdf1 {[%eval 123,22]} (18. dxc6 $18 {[%eval 187,23]} Nxc6 19. Bf2) 18... Nf8 {[%eval 231,24]} (18... b5 $16 {[%eval 123,22]}) 19. g3 $18 fxg3 20. Bxg3 Nh7 21. Rhg1 Bh3 22. Rf2 Qc7 23. Bf1 $2 {[%eval 88,25]} (23. Rh1 $18 {[%eval 246,24] is more deadly.} Bd7 24. f4) 23... Bxf1 $16 24. Rgxf1 Raf8 25. f4 exf4 26. Bxf4 Nc8 {[%eval 136,24] [#]} (26... Qd7 $142 {[%eval 95,25]}) 27. Qe3 $1 Qe7 28. e5 {[%CAl Be4e5,Be5e6][%mdl 32]} Kg8 $2 {[%eval 564,24]} (28... Rxf4 {[%eval 173,25]} 29. Rxf4 Rxf4 30. Rxf4 (30. Qxf4 dxe5 31. Qe3 Nd6 $16) 30... Qxe5) 29. e6 $18 Rf5 30. Ne4 Rd8 31. Qc3 b5 32. Be3 b4 {[%eval 606,26]} (32... Rdf8 $142 {[%eval 398,28]} 33. Rxf5 gxf5) 33. Qd2 Rxf2 34. Rxf2 Rf8 35. Qe1 {[%CAl Oe4f6] And now Nf6+! would win.} Nb6 {[%eval 1199,23]} (35... Qg7 $142 {[%eval 401,26]} 36. Qf1 Rxf2 37. Qxf2 Qf8 38. Nf6+ Kh8) 36. b3 {[%CAl Oe4f6] Nf6+! is the strong threat.} Nd7 {[%CAl Bb6d7,Bd7e5,Be5d3][%mdl 32]} 37. Qf1 Ne5 38. Rxf8+ Nxf8 39. Nf6+ {[%eval 416,29]} (39. Qf6 $142 {[%eval 32742,21]} Qa7 40. e7 Qa8 41. Nxd6 Nfd7 42. Qe6+ Kg7 43. e8=Q Qxe8 44. Nxe8+ Kf8 45. Nf6) 39... Kg7 40. Bf4 {Strongly threatening Bxe5.} Nxe6 41. dxe6 Qxe6 42. Qg2 {Hoping for Bxe5.} Nd3 {[%eval 769,28]} (42... Nf7 {[%eval 356,26]} 43. Kc2 h4) 43. Qb7+ $2 {[%eval 232,5]} (43. Bg3 {[%eval 769,28]} Ne5 44. Bxe5 dxe5 45. Qb7+ Kf8 46. Qb8+ Kg7 47. Qa7+ Qf7 48. Qxa6) 43... Kf8 $2 {[%eval 32758,12] [#]} (43... Qf7 $18 {[%eval 232,5]} 44. Qxf7+ (44. Qxa6 Nxf4 45. Qxd6 Ne6 $11) 44... Kxf7) 44. Qb8+ {[%eval 620,5]} (44. Bxd6+ $142 $1 {[%eval 32758,12][%mdl 512]} Qxd6 45. Qc8+ Qd8 46. Qxd8+ Kf7 47. Qe8+ Kg7 48. Qg8#) 44... Kg7 45. Qc7+ {[%eval 310,5]} (45. Ne8+ $142 {[%eval 690,29]} Kh8 46. Nxd6+ Qg8 47. Qxg8+ Kxg8 48. Bg3) 45... Kf8 $2 {[%eval 32758,12]} (45... Qf7 $18 {[%eval 310,5]} 46. Qxd6 Nxf4 47. Qxf4 Qe7) 46. Bxd6+ {Weighted Error Value: White=1.05/Black=1.00} 1-0 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.12"] [Round "?"] [White "James, Bernard"] [Black "Vanegas, Jonathan"] [Result "0-1"] [ECO "D00"] [WhiteElo "1767"] [BlackElo "1280"] [PlyCount "106"] [GameId "2100674483765260"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 9,106,-24,1,0,0,-42,-38,-37,-32,-29,-27,-54,-23,-33,-27,-50,19,0,21,4,3,-37,-41,-78,-41,-39,-39,-102,-45,-34,-45,-163,-150,-159,-163,-173,-159,-357,-363,-385,-339,-757,-760,-744,-748,-760,-760,-763,-762,-763,-761,-914,-736,-846,-813,-840,-828,-984,-965,-1157,-1157,-1220,-1284,-1450,-1450,-1571,-1497,-1488,-814,-904,-809,-1154,-889,-892,-793,-1009,-931,-1291,-1290,-29966,-465,-956,-797,-821,-783,-1136,-1069,-1321,-1327,-1371,-1420,-1483,-1382,-1472,-1496,-1380,-1393,-1425,-1521] D00: 1 d4 d5: Unusual lines} 1. d4 d5 2. f4 Bf5 3. Nf3 Nf6 4. e3 e6 5. Bd3 Bxd3 6. cxd3 c5 (6... Be7 7. O-O O-O 8. Bd2 c5 9. dxc5 Bxc5 10. d4 Be7 11. Nc3 Nc6 12. a3 Rc8 13. Ne5 a6 14. Nxc6 Rxc6 15. Qf3 b5 16. Rac1 b4 17. Nxd5 Rxc1 18. Nxf6+ Bxf6 19. Rxc1 bxa3 20. bxa3 Qb6 21. Qc6 {Robertson,J-Schmerwitz,R (1895) Edinburgh 2011 0-1 (76)}) 7. dxc5 {[%eval -42,21]} (7. Qb3 $11 {[%eval 0,19]}) (7. O-O cxd4 8. Nxd4 Bc5 9. Qa4+ Nbd7 10. Nc3 O-O 11. Nf3 d4 12. exd4 Nb6 13. Qd1 Bxd4+ 14. Kh1 Bc5 15. d4 Be7 16. Ne5 Nbd5 17. f5 Qc8 18. fxe6 Qxe6 19. Bg5 h6 20. Bxf6 Bxf6 21. Nxd5 Qxd5 {Santhosh,K (2225)-Sareen,V (2320) Kolkata 1992 ½-½}) 7... Bxc5 $15 8. d4 {Black is slightly better.} Bd6 $146 (8... Bb4+ 9. Bd2 Bxd2+ 10. Nbxd2 Nc6 11. Rc1 O-O 12. O-O Rc8 13. Ne5 Rc7 14. f5 Nxe5 15. dxe5 Rxc1 16. Qxc1 Ng4 17. fxe6 fxe6 18. Rxf8+ Qxf8 19. Nf3 Qd8 20. h3 Nh6 21. e4 dxe4 22. Ng5 Nf7 23. Nxf7 {Fuchs,R (1486)-Vollmer,J (1532) Bochum 2003 ½-½ (54)}) 9. O-O Nc6 10. a3 a5 {[%eval -23,21]} (10... O-O $15 {[%eval -54,20]}) 11. Nc3 O-O 12. Ne5 Bxe5 {[%eval 19,18]} (12... Qb6 $15 {[%eval -50,18]}) 13. fxe5 $11 Ne4 14. Nxe4 dxe4 15. Qg4 {[%eval -37,23]} (15. Bd2 $11 {[%eval 3,22]}) 15... Qd5 $15 16. h4 {[%eval -78,22]} (16. Rf2 $15 {[%eval -41,21]}) 16... Ne7 {[%eval -41,23]} (16... Rac8 $17 {[%eval -78,22]}) 17. h5 Nf5 {[%CAl Be7f5,Bf5h6,Bh6g4][%mdl 32]} 18. Qh3 {[%eval -102,20]} (18. Bd2 $15 {[%eval -39,21]}) 18... f6 {[%eval -45,19]} (18... Qb3 $17 {[%eval -102,20]} 19. a4 Rfc8) 19. exf6 Rxf6 {Threatens to win with ...Qb3.} 20. g4 {[%eval -163,21] [#]} ({Better is} 20. Bd2 $15 {[%eval -45,21]}) 20... Nh6 $1 $19 {White must now prevent ...Rf3.} 21. Rxf6 gxf6 {[%CAl Bg7f6,Bf6f5][%mdl 32]} 22. Bd2 Qg5 {Inhibits Qh4.} 23. Kh1 $2 {[%eval -357,20]} (23. Rc1 $17 {[%eval -159,18] was called for.}) 23... Nxg4 {...Nf2+ is the strong threat.} 24. Rf1 {Inhibits Nf2+.} f5 25. Rf4 $2 {[%eval -757,21] [#]} (25. Kg2 {[%eval -339,19]}) 25... Qxf4 $3 {[%mdl 512]} 26. exf4 Nf2+ 27. Kg2 Nxh3 28. Kxh3 {[%mdl 4096] Endgame KR-KB} a4 29. Bc3 Kf7 30. Kh4 h6 {And now ...Rg8 would win.} 31. Kg3 Ke7 32. Kf2 Kd6 33. d5 exd5 34. Bg7 Kc6 35. Bxh6 Rh8 36. Bg7 Rxh5 37. Ke3 Rh3+ 38. Kd4 e3 {( -> ...e2)} 39. Kd3 Rf3 40. Bd4 Kb5 41. Be5 Kc6 42. Ke2 Rh3 43. Kd3 Kb5 44. Ke2 Kc6 {[%eval -465,27]} (44... Kc4 $142 {[%eval -32699,22]} 45. Kf1 d4 46. Kg2 {[#]} d3 $1 47. Kxh3 d2 48. Kh4 e2 49. Kh5 e1=Q 50. Kg6 d1=Q 51. Kf7 Qd7+ 52. Kf8 Qg3 53. b3+ axb3 54. Bf6 Qg6 55. Bh8 Qgf7#) 45. Kd3 {Black is clearly winning.} Kd7 46. Bf6 Ke6 47. Be5 Kf7 48. Bd4 Kg6 49. Bxe3 Kh5 50. Kd4 {[#]} Rxe3 $1 51. Kxe3 Kg4 52. Kd4 Kxf4 53. Kxd5 Kg4 {Weighted Error Value: White=0.50/Black=0.21 (precise)} 0-1 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.13"] [Round "5"] [White "Vanagas, Johnathan"] [Black "Getz, Shelby"] [Result "0-1"] [ECO "D07"] [WhiteElo "1280"] [BlackElo "2389"] [Annotator "Allman,Matt"] [PlyCount "118"] [GameId "2100675837399086"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 9,118,13,37,-7,8,11,61,0,6,4,29,0,3,0,25,-6,12,11,65,-13,43,18,0,-24,-23,-46,-47,-46,-13,-9,-8,-44,-39,-43,-18,-56,-58,-66,-68,-69,-70,-79,-68,-83,-58,-65,-18,-67,-33,-30,-27,-54,29,10,22,23,18,0,26,15,21,23,28,8,24,0,0,-15,0,-12,0,0,0,-96,-110,-88,-92,-100,-92,-88,-84,-98,-95,-95,-90,-157,-73,-88,-67,-97,-97,-300,-201,-256,-282,-309,-304,-379,-378,-1721,-1661,-1662,-1497,-1521,-1405,-1600,-1566,-2745,-2739,-1768,-2778] D07: Queen's Gambit: Chigorin Defence} 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Nc3 e6 5. Bf4 Bd6 6. Bg3 {[%eval -7,18]} (6. Bxd6 $14 {[%eval 37,19]} Qxd6 7. Ne5) 6... Bxf3 {Getz decides to exchange a bishop for a knight but also damage Johnathan's pawn structure.} 7. gxf3 h5 {[%eval 61,18]} (7... dxc4 $11 {[%eval 11,19]} 8. e3 a6 (8... Nge7 9. Bxc4 O-O 10. Qc2 Nb4 11. Qb3 Nec6 12. Be2 Qd7 13. Rc1 Na5 14. Qd1 f5 15. Bxd6 Qxd6 16. a3 Nd5 17. Nxd5 exd5 18. Qc2 Qe6 19. Qa4 Nc6 20. Bb5 f4 21. Bxc6 fxe3 22. Bxb7 exf2+ 23. Kd1 {Ftacnik,L (2559)-Markos,J (2571) Prievidza 2009 ½-½ (33)})) (7... Nf6 8. e3 O-O 9. Bh4 Be7 10. f4 dxc4 11. Bxc4 Nd5 12. Bxe7 Ncxe7 13. Nxd5 exd5 14. Bd3 f5 15. Qc2 a5 16. Rg1 b6 17. Rc1 c6 18. h4 Kh8 19. h5 h6 20. Qc3 Qd6 21. Rc2 Qf6 22. Be2 {Lenic,L (2640)-Fercec,N (2469) Sibenik 2012 ½-½ (86)}) 8. Bxd6 {[%eval 6,21] Vanegas give Getz a pair of knights while keeping miss matched minor pieces.} (8. cxd5 $14 {[%eval 61,18]} exd5 9. Bh3) 8... Qxd6 $11 9. e3 Nf6 $146 (9... Qb4 10. Qb3 Qxb3 11. axb3 O-O-O 12. f4 Nf6 13. Ra4 Kb8 14. c5 Ne7 15. b4 Nc8 16. Bd3 g6 17. Ke2 Rhe8 18. Rha1 Re7 19. b5 Ne8 20. Na2 Ng7 21. Nb4 Nf5 22. R1a3 Ng7 23. Nc6+ bxc6 24. bxc6 {Collado Barbas,L (2055)-Bote Alvarez Carrasco,V (2190) Collado Villalba 2009 1-0 (38)}) 10. cxd5 (10. c5 $5 {[%CAl Rc5d6]} Qd7 11. Bb5 $11) 10... exd5 11. a3 Ne7 12. Bd3 {[%eval -6,19]} (12. Rg1 $142 {[%eval 25,19]}) 12... c6 13. Qe2 Kf8 {[%eval 65,20]} (13... O-O $11 {[%eval 11,20]}) 14. b4 {[%eval -13,20]} (14. f4 $14 {[%eval 65,20]}) 14... b5 {[%eval 43,19]} (14... Rh6 $11 {[%eval -13,20]}) 15. Qc2 {For Shelby, the idea is to position piecs for the endgame. Masters take a long view of the game.} a5 16. Rb1 g6 17. Ne2 axb4 18. axb4 Ra4 {[%eval -13,21]} (18... Nd7 $15 {[%eval -46,21]}) 19. Qc5 Qxc5 20. dxc5 {[%eval -44,23]} (20. bxc5 $11 {[%eval -8,20]} Nh7 21. Nc1) 20... Kg7 $15 21. Bc2 Ra2 22. Kd2 {[%eval -56,23]} (22. Bb3 $11 {[%eval -18,22]} Ra3 23. Nd4) 22... Rha8 $1 23. Nc3 R2a3 {[%CAl Od5d4]} 24. Rb3 R3a7 25. Re1 Nd7 26. f4 {Against Ne5} Nf6 27. h3 Nfg8 {[%eval -18,24]} (27... Ne8 $15 {[%eval -65,22]}) 28. f3 {[%eval -67,23]} (28. Ne2 $11 {[%eval -18,24]}) 28... Nh6 {[%eval -33,21]} (28... d4 $1 {[%eval -67,23] feels stronger.} 29. exd4 Rd7) 29. e4 Rd8 {And now ...dxe4+ would win.} 30. Ke2 Re8 {[%eval 29,23]} (30... d4 $15 {[%eval -54,19]} 31. Rd1 Rdd7) 31. Kf2 $11 dxe4 32. fxe4 Rd8 33. Ke3 Nhg8 34. Rd1 Rxd1 35. Bxd1 Nf6 36. Bf3 Ra1 37. Bg2 Ne8 38. Rb2 Ra3 39. Kd2 Kf8 40. Kc2 Nc7 41. Ra2 {[%eval -96,28]} (41. Rb1 $11 {[%eval 0,26] remains equal.}) 41... Rxa2+ $17 42. Nxa2 {[%mdl 4096] Endgame KBN-KNN The rooks come off the board and the knight is on the rim and therefore dim.} Ne6 {[%csl Rc5,Rc6,Rc7,Rc8,Rd4,Rd5,Rd8,Rf4,Rf5,Rf8,Rg5,Rg6,Rg7] Notice how a knight pair can dominate a large amount of space.} 43. f5 gxf5 44. exf5 Nxf5 {Not only does Getz pick up a pawn, one of them is now a passed pawn. Strongly threatening ...Ne3+.} (44... Nf4 {Fritz thinks this is slight better.} 45. Bf3 (45. Be4 Nxh3)) 45. Kd2 {[#] Inhibits Ne3.} Ne7 {The powerful knight pair regains it's structure.} 46. Ke3 {Against Nf4} Kg7 47. Nc3 {[%eval -157,25]} ({White should try} 47. Bf3 {[%eval -90,25]}) 47... f5 {[%eval -73,27] Getz seeks to blockade Vanegas's king from getting behind the black pawns. Notice how Getz can maneuver his king through.} (47... Kf6 $142 {[%eval -157,25] ...Ke5 is the strong threat.} 48. h4 Ke5) 48. Ne2 Nc7 49. Kd4 {[#]} Kf6 $1 50. h4 $2 {[%eval -300,26]} (50. Nf4 $17 {[%eval -97,25] is the only way for White.}) 50... Ne6+ 51. Ke3 Ke5 {Against Nd4} 52. Bf3 Nd5+ 53. Bxd5 Kxd5 ({Stronger than} 53... cxd5 {As the supported passed pawn becomes one more thing to worry about.} 54. Kf2 $17) 54. Nf4+ $2 {[%eval -1721,25] Exchanging the knights makes this a straight forward win.} (54. Kd3 {[%eval -378,28]}) 54... Nxf4 $19 {Black is clearly winning.} 55. Kxf4 {KP-KP} Kc4 56. Kg5 (56. Kxf5 Kxb4 57. Kg6 Kxc5) 56... f4 (56... Kxb4 {While this would not lose the game, it is an inaccuracy. Tempo are important now. 56... f4 forces Johnathan to burn a move to stop the f pawn.}) 57. Kxf4 Kxb4 58. Kg5 Kxc5 59. Kxh5 b4 {Weighted Error Value: White=0.51/Black=0.22 (precise)} 0-1 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.13"] [Round "4"] [White "Weber, Whit"] [Black "Vanagas, Johnathan"] [Result "0-1"] [ECO "A42"] [WhiteElo "1754"] [BlackElo "1280"] [Annotator "matta"] [PlyCount "99"] [GameId "2100676382769226"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 10,98,78,50,81,21,25,24,26,0,56,38,40,40,89,76,97,90,148,86,100,100,157,129,155,105,198,183,234,224,354,323,342,262,282,265,256,183,158,140,142,136,136,142,161,159,165,121,353,321,327,328,564,382,423,423,507,439,321,328,365,310,743,590,528,445,551,633,1581,303,294,317,265,179,223,188,513,255,29995,599,579,425,29995,29996,29996,29997,29997,29998,29998,29999,29999] A42: Modern Defence: Averbakh Variation} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 e5 5. d5 Ne7 6. Be3 O-O {[%eval 81,22]} (6... f5 $14 {[%eval 50,21] should be considered.}) 7. Qd2 {[%eval 21,21]} ({White should play} 7. h4 $16 {[%eval 81,22]}) 7... f5 $11 8. f3 Nd7 {White has an edge.} 9. O-O-O (9. h3 Nf6 10. g4 Kh8 11. Bd3 c6 12. Nge2 Bd7 13. c5 fxe4 14. fxe4 cxd5 15. cxd6 Nc8 16. g5 d4 17. gxf6 Bxf6 18. Bh6 dxc3 19. Qxc3 Nxd6 20. Bxf8 Qxf8 21. Rc1 Rc8 22. Qa5 Bh4+ 23. Kd1 Bc6 {Chapliev,A (2314)-Skorchenko,D (2420) Krasnodar 2002 0-1}) 9... a6 $146 {[%eval 56,20]} (9... a5 $11 {[%eval 0,20]}) (9... f4 10. Bf2 Nf6 11. c5 Ne8 12. Bc4 Bd7 13. Nge2 Kh8 14. Kb1 a6 15. Bb3 g5 16. Rc1 Ng6 17. h3 Rf7 18. Ba4 Bxa4 19. Nxa4 Bf8 20. cxd6 Bxd6 21. Nc5 Bxc5 22. Bxc5 Nd6 23. Qc2 Rc8 {½-½ (23) Gonzalez Vega,A (2218)-Isidron Marcelo,G (2090) Havana 2011}) (9... Nf6 10. h3 f4 11. Bf2 Nh5 12. Nge2 Bd7 (12... Kh8 13. Kb1 Ng8 14. Nc1 Bf6 15. Bd3 Bh4 16. Bg1 Ng3 17. Rh2 Nf6 18. c5 Ne8 19. Nb3 Rf7 20. Ne2 Kg8 21. Rc1 h5 22. Nc3 Be7 23. a3 g5 24. Ne2 Rg7 25. Bb5 g4 26. hxg4 hxg4 27. Bxe8 {Jones,L (2189)-Noguchi,K (1832) Kuala Lumpur 2005 ½-½ (75)}) 13. Kb1 a6 14. Rc1 Kh8 15. Rg1 Ng8 16. Nd1 b6 17. Rc3 Bh6 18. Qe1 Rf7 19. g4 fxg3 20. Nxg3 Nxg3 21. Bxg3 Qg5 22. f4 exf4 23. Bf2 Qe7 24. Rf3 {Stevanec,L (2131)-Srebrnic,A (2290) Kozje 2008 0-1 (41)}) 10. h4 {[%CAl Bh2h4,Bh4g5][%mdl 32]} f4 11. Bf2 {[%CAl Be3f2,Bf2h4,Bh4g3][%mdl 32]} b6 {[%eval 89,19]} (11... Nf6 $14 {[%eval 40,22] feels stronger.}) 12. Kb1 h5 13. Nh3 Bh6 {[%eval 148,20]} (13... Nc5 $142 {[%eval 90,23]}) 14. Ng5 {[%eval 86,20]} (14. g3 $142 $1 {[%eval 148,20]}) 14... Bxg5 15. hxg5 Kg7 {[%eval 157,21]} (15... Nc5 $142 {[%eval 100,22]}) 16. Bh4 Rf7 17. Bd3 {[%eval 105,22]} (17. Be2 $142 {[%eval 155,22]}) 17... c5 {[%eval 198,19]} (17... Nc5 $16 {[%eval 105,22]}) 18. Rdf1 Nf8 {[%eval 234,20]} (18... b5 {[%eval 183,19] was necessary.} 19. cxb5 Qa5) 19. g3 fxg3 {[%eval 354,20]} (19... Nd7 $142 {[%eval 224,20]} 20. gxf4 exf4) 20. Bxg3 $18 Nh7 21. Rhg1 Bh3 22. Rf2 Qc7 23. Bf1 Bxf1 24. Rgxf1 Raf8 25. f4 exf4 26. Bxf4 {Black must now prevent e5.} Nc8 27. Qe3 Qe7 28. e5 {[%eval 121,23]} (28. a3 $18 {[%eval 165,19]}) 28... Kg8 $2 {[%eval 353,21]} (28... Rxf4 $16 {[%eval 121,23] might work better.} 29. Rxf4 Rxf4 30. Rxf4 (30. Qxf4 dxe5 31. Qe3 Nd6 $16) 30... Qxe5) 29. e6 Rf5 30. Ne4 Rd8 $2 {[%eval 564,18]} (30... b5 {[%eval 328,18]} 31. b3 bxc4 32. bxc4 Qc7) 31. Qc3 b5 32. Be3 b4 33. Qd2 Rxf2 34. Rxf2 (34. Qxf2 a5 35. b3 a4 36. bxa4 Nb6 37. Nf6+ Kh8 $18) 34... Rf8 {Prevents Rf7.} 35. Qe1 {[%CAl Oe4f6] Nf6+! is the strong threat.} Nb6 $2 {[%eval 743,17]} (35... a5 {[%eval 310,21]} 36. b3 Rf5) 36. b3 Nd7 {[%CAl Bb6d7,Bd7e5,Be5d3][%mdl 32]} 37. Qf1 Ne5 38. Rxf8+ Nxf8 39. Nf6+ $2 {[%eval 303,23]} (39. Qf6 {[%eval 1581,18]} Nc6 40. dxc6 Qxe6 41. Nxd6 $1 Qxf6 42. gxf6) 39... Kg7 40. Bf4 Nxe6 41. dxe6 Qxe6 42. Qg2 {Strongly threatening Bxe5.} Nd3 {[%eval 513,20]} (42... Qf5+ {[%eval 188,21] is more resistant.} 43. Qe4 Qxe4+ 44. Nxe4 h4) 43. Qb7+ {[%eval 255,22]} (43. Bg3 $142 {[%eval 513,20]}) 43... Kf8 $2 {[%eval 32758,17] [#]} (43... Qf7 $18 {[%eval 255,22]} 44. Qxf7+ (44. Qxa6 Nxf4 45. Qxd6 Ne6 $11) 44... Kxf7) 44. Qb8+ {[%eval 599,22]} (44. Bxd6+ $142 $1 {[%eval 32758,17][%mdl 512]} Qxd6 45. Qc8+ Qd8 46. Qxd8+ Kf7 47. Qe8+ Kg7 48. Qg8#) 44... Kg7 45. Qc7+ Kf8 {[%eval 32758,16]} (45... Qf7 $18 {[%eval 425,21]} 46. Qxd6 Nxf4 47. Qxf4 Qe7) 46. Bxd6+ {White mates.} Qxd6 47. Qxd6+ Kf7 48. Qd7+ Kf8 49. Qe8+ Kg7 50. Qg8# {[%mdl 32768] White mates. Weighted Error Value: White=0.74/Black=0.80. Loss on time!?} 0-1 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.12"] [Round "2"] [White "Vanagas, Johnathan"] [Black "Siwinski, Chad"] [Result "1-0"] [ECO "E32"] [WhiteElo "1280"] [BlackElo "1116"] [Annotator "matta"] [PlyCount "61"] [GameId "2100676953940060"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 14,60,-21,-18,-15,-29,-7,-28,-4,-5,9,3,-6,-6,46,-132,-129,-124,-43,-146,-7,-89,-89,-122,-98,-124,-97,-183,-79,-111,-98,-107,0,-153,-138,-130,-103,-110,248,247,29994,29994,29995,29996,29996,29997,29997,29998,29999] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. a3 Bxc3+ 6. Qxc3 Bb7 7. Bg5 h6 8. Bh4 d6 9. e3 Nbd7 10. Ne2 g5 {Black has an edge.} 11. Bg3 Ne4 (11... h5 12. f3 h4 13. Bf2 h3 14. e4 g4 15. d5 Ne5 16. Nd4 Qe7 17. O-O-O O-O-O 18. Re1 hxg2 19. Bxg2 gxf3 20. Bxf3 Kb8 21. Bd1 Nh5 22. Bxh5 Rxh5 23. Bg3 Rdh8 24. Kb1 Ng4 25. h4 Qf6 26. Rhf1 {Romanko,M (2404)-Kuderinov,K (2469) Moscow 2011 0-1 (43)}) 12. Qc2 h5 13. f3 h4 $146 {[%eval 46,21]} (13... Nxg3 $11 {[%eval -6,22]} 14. hxg3 Qe7 (14... Qf6 15. Nc3 a6 16. Bd3 O-O-O 17. O-O-O Qg7 18. Kb1 g4 19. f4 Rh6 20. b4 Kb8 21. Ka2 Ka7 22. Na4 e5 23. dxe5 dxe5 24. Bf5 Rd6 25. c5 bxc5 26. bxc5 Bd5+ 27. Rxd5 Rxd5 28. Be4 Nf6 29. Bxd5 {Kosolapova,L (1957)-Makarenko,A (1970) Rybinsk 2009 ½-½ (61)})) 14. Bf2 $2 {[%eval -132,21] [#]} (14. fxe4 $14 {[%eval 46,21] keeps the upper hand.} hxg3 15. Nxg3) 14... Nxf2 $17 15. Kxf2 Qf6 {[%eval -43,20]} (15... h3 $17 {[%eval -124,20]} 16. Nc3 g4) 16. Nc3 {[%eval -146,17]} (16. h3 $1 $15 {[%eval -43,20]}) 16... a6 {[%eval -7,19]} (16... g4 $17 {[%eval -146,17][%CAl Rg4f3]} 17. d5 O-O-O) 17. Ne4 {[%eval -89,19]} (17. h3 $1 $11 {[%eval -7,19]}) 17... Qg7 18. Bd3 {[%eval -122,17]} ({White should try} 18. Rd1 {[%eval -89,18]}) 18... f5 19. Nd2 {[%CAl Od4d5]} g4 20. Rag1 {[%eval -183,16]} (20. d5 $17 {[%eval -97,16]}) 20... g3+ {[%eval -79,20]} (20... O-O-O $19 {[%eval -183,16] and Black stays clearly on top. White must now prevent ...h3.} 21. h3 g3+ 22. Ke2 f4) 21. Ke2 {[%eval -111,18]} ({Better is} 21. hxg3 {[%eval -79,20]} hxg3+ 22. Ke1) 21... gxh2 22. Rxh2 {[%CAl Od4d5] [#]} Nf6 {[%eval 0,19] Prevents d5.} (22... O-O-O $1 $17 {[%eval -107,19][%CAl Of5f4] Hoping for ...f4!} 23. Qc1 e5 24. dxe5 (24. Bxf5 exd4 25. e4 Kb8 $15) 24... Qxe5) 23. e4 $2 {[%eval -153,19]} (23. d5 $1 $11 {[%eval 0,19]}) 23... fxe4 24. Nxe4 Nxe4 25. Bxe4 {[%CAl Bd3e4,Be4b7,Bb7c6][%mdl 32]} Qxd4 $2 {[%eval 248,18][%mdl 8192]} (25... O-O-O $17 {[%eval -110,20] and life is bright.} 26. Rd1 Qg3 27. Bxb7+ Kxb7 28. Qe4+ d5) 26. Bxb7 $18 Qxg1 $2 {[%eval 32756,19]} (26... Rb8 $18 {[%eval 247,20]}) 27. Qg6+ {White mates.} Kf8 28. Qf6+ Kg8 29. Qxe6+ Kf8 30. Qf6+ Ke8 31. Bc6# {White mates. Weighted Error Value: White=0.47/Black=0.75} 1-0 [Event "2024 4th Bel Air National Chess Day"] [Site "Bel AIr"] [Date "2024.10.12"] [Round "5"] [White "Athanasiou, Tony (a.k.a Antonio"] [Black "Dempsey, James"] [Result "1-0"] [ECO "C34"] [WhiteElo "1276"] [BlackElo "984"] [Annotator "Tactical Analysis 4.3 (16s)"] [PlyCount "66"] [GameId "2100936527716387"] [EventDate "2024.10.13"] [EventCountry "USA"] [SourceVersionDate "2023.02.12"] {[%evp 9,66,-63,-13,-22,121,126,113,121,120,116,203,-183,-5,-131,-13,0,0,-46,0,-9,-9,-54,-29,-44,-44,-91,-103,-95,-50,-125,-74,-156,-142,-128,-88,-83,-64,-114,-84,-100,293,292,412,451,508,416,422,408,464,563,592,472,452,612,643,682,1310,638,1904] C34: King's Gambit Accepted: 3 Nf3: 3...Nf6 and 3...d6} 1. e4 e5 {[%CAl Be7e5,Be5f4][%mdl 32]} 2. f4 exf4 3. Nf3 Nc6 4. Bc4 d6 5. O-O Bg4 {[%eval -13,19]} (5... g5 $15 {[%eval -63,18]}) 6. d4 $11 Qe7 $146 {[%eval 121,19]} (6... g5 7. h4 h6 8. Nc3 Bg7 9. Ne2 Qf6 10. c3 Nge7 11. b4 O-O 12. b5 Nd8 13. e5 dxe5 14. Nxe5 Qb6 15. Nxg4 Nf5 16. Qd3 Nxh4) (6... Nf6 7. c3 Be7 8. Qb3 O-O 9. Qxb7 Na5 10. Qa6 Nxc4 11. Qxc4 Nxe4 12. Bxf4 Rb8 13. b3 Bxf3 14. Rxf3 Bg5 15. Qd5 Bxf4 16. Rxf4 Nf6 17. Qg5 Re8 18. Nd2 Re2 19. Rf3 Qe7 20. Raf1 Re1 21. Rxf6 Rxf1+ 22. Nxf1 Qxf6 23. Qa5 c5 24. Qxa7 Qd8 25. dxc5 dxc5 26. Qxc5 Qb6 27. Qxb6 Rxb6 28. Nd2 Ra6 29. a4 Kf8 30. Ne4 Ke7 31. Kf2 Ra5 32. Ke3 Rd5 33. c4 Rd1 34. b4 f5 35. Nc3 Rd7 36. Nd5+ {Bernard Martinez,M-Solans del Barrio,E Alfaro 2007 1-0 (46)}) (6... Be7 7. Bxf4 Nf6 8. Nc3 h5 9. d5 Ne5 10. Bxe5 dxe5 11. Bb5+ Kf8 12. h3 Bxf3 13. Qxf3 c6 14. dxc6 bxc6 15. Ba4 Qb6+ 16. Kh1 Qxb2 17. Rab1 Qa3 18. Bxc6 Rc8 19. Rb3 Qc5 20. Bd5 Rh6 21. Qf5 Rg6 22. Qxe5 Bd6 23. Qf5 Bb8 24. Rb7 Rc7 25. Rxb8+ Ne8 26. Qxg6 Qxc3 27. Rxf7+ {1-0 (27) Kozel,J (1250)-Mazur,D (1270) Zlate Hory 2006}) (6... Qd7 7. Bxf4 O-O-O 8. Bb5 a6 9. Ba4 b5 10. Bb3 f6 11. c4 Re8 12. cxb5 Rxe4 13. bxc6 Qxc6 14. Qd2 Bxf3 15. Rxf3 g5 16. Bxg5 Qe8 17. Nc3 Rg4 18. Re1) (6... Qf6 $11 {[%eval -22,19]}) 7. Bxf4 $16 O-O-O 8. Nc3 {White is better.} Nf6 9. Bg5 (9. Bb5) 9... h6 {[%eval 203,21]} (9... Qe8 $16 {[%eval 116,17]}) 10. Be3 $4 {[%eval -183,19][%mdl 8192]} (10. Nd5 $18 {[%eval 203,21]} Qxe4 11. Nxf6 gxf6 12. Bxf6) 10... Nxe4 $2 {[%eval -5,20]} (10... d5 $1 $19 {[%eval -183,19][%CAl Rd5c4]} 11. Be2 dxe4) 11. Nxe4 {[%eval -131,17] [#]} (11. Nd5 $11 {[%eval -5,20] remains equal.} Qd7 12. Qd3) 11... Qxe4 {[%eval -13,20]} (11... d5 $1 $17 {[%eval -131,17][%CAl Rd5c4]} 12. Be2 (12. Bxd5 $2 Rxd5 13. c4 Rd8 $19) 12... Qxe4) 12. Qd2 $1 $11 d5 13. Bd3 {[%eval -46,21]} (13. Bb5 $1 $11 {[%eval 0,21] might be stronger.}) 13... Qe7 {[%eval -9,21]} (13... Qe8 $15 {[%eval -46,21]}) 14. h3 Be6 15. Rae1 {[%eval -54,21]} (15. Bb5 $11 {[%eval -9,20]}) 15... g5 16. Bb5 $1 Qd6 17. Bxc6 {[%eval -91,18]} (17. Qc3 $1 $15 {[%eval -44,19]}) 17... Qxc6 $17 18. Ne5 {[#]} Qe8 {[%eval -50,22]} (18... Qb6 $1 $17 {[%eval -95,22]} 19. Rxf7 (19. Nxf7 Bxf7 20. Rxf7 Qxb2 $17) 19... Qxb2) 19. a3 {[%eval -125,22]} (19. Nxf7 $15 {[%eval -50,22]} Bxf7 20. Bxg5 hxg5 21. Rxe8 Bxe8 22. Qxg5) 19... Bd6 {[%eval -74,21]} (19... f5 $142 {[%eval -125,22]} 20. Qd3 Kb8) 20. Qa5 {[%eval -156,23]} (20. Rf6) (20. Nxf7 $142 {[%eval -74,21]} Bxf7 21. Bxg5 hxg5 22. Rxe8 Bxe8 23. Qxg5) 20... Kb8 (20... Bxe5 21. dxe5 d4) 21. Bd2 {[%CAl Oe5f7] Strongly threatening Nxf7!} Bxe5 {[%eval -88,18]} ({Black should play} 21... f5 {[%eval -128,20]} 22. Qc3 f4) 22. Rxe5 Qc6 (22... Rd6) 23. Bc3 {[%eval -114,21]} (23. Rf2) ({White should try} 23. Qc3 $15 {[%eval -64,20]}) 23... Rhg8 24. Rf6 Rg6 $2 {[%eval 293,22][%mdl 8192]} (24... h5) (24... b6 $17 {[%eval -100,22] keeps the pressure on.} 25. Qa6 Rh8) 25. Rexe6 $1 $18 fxe6 {[%eval 412,18]} (25... Qxe6 26. Rxe6 Rxe6) (25... Rxf6 {[%eval 292,27] was called for.} 26. Rxc6 Rxc6) 26. Rxg6 {[%CAl Bf6g6,Bg6h6,Bh6e6][%mdl 32]} Rf8 27. Rxh6 {Hoping for Qc5.} Qc4 28. Be1 Rf1+ 29. Kh2 {Rh8+ would kill now. White is clearly winning.} Qxd4 30. Qc3 Qg1+ 31. Kg3 {Threatening mate with Rh8+.} b6 32. Rxe6 d4 33. Qd2 c5 {Weighted Error Value: White=0.70/Black=0.70} 1-0