[Event "Klubbmesterskap 2020"] [Site "?"] [Date "2020.01.14"] [Round "1"] [White "Pettersen, Børge Petter"] [Black "Berg, Dan Magnus"] [Result "1-0"] [ECO "C42"] [Annotator "Tactical Analysis 2.20 (17s)"] [PlyCount "71"] [SourceVersionDate "2020.01.14"] {[%evp 14,71,63,60,79,39,42,35,102,17,73,18,231,28,421,428,433,432,481,419,561, 445,588,588,588,458,614,499,499,499,513,512,528,520,525,508,585,486,729,708, 859,821,909,891,1354,1385,1351,1204,1338,1459,1544,1469,29978,29978,29979, 29979,2846,29981,29985,29986]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nbd7 8. Nc3 b6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 9. g3 Bb7 { aiming for ...Bxf3.} 10. Bg2 a6 (10... Qxe2+ 11. Kxe2 O-O-O) 11. O-O-O (11. Be3) 11... O-O-O (11... Qxe2 $11 {keeps the balance.} 12. Nxe2 g6) 12. Rde1 ({White should try} 12. Qf1) 12... h6 (12... Qxe2 {and Black is okay.} 13. Rxe2 h6 14. Bxf6 Nxf6) 13. Bxf6 {} ({And not} 13. Qxe7 Bxe7 14. Bxh6 (14. Rxe7 hxg5 15. d4 Rdf8 $11) 14... Rxh6) ({White has to play} 13. Qf1 Ne5 14. Bf4) 13... Nxf6 $4 {[%mdl 8192]} (13... Qxe2 14. Rxe2 Nxf6) 14. Qxe7 Bxe7 15. Rxe7 Rhe8 16. Rhe1 Kb8 17. Nh4 g5 18. Bxb7 Kxb7 19. Ng2 Kc8 20. Nd5 Rxe7 21. Nxe7+ Kd7 22. Nf5 Ng8 23. Nge3 Re8 24. Rf1 h5 25. f4 Ne7 (25... g4 26. Kd2 Nf6) 26. fxg5 c5 27. Nh6 Kc6 28. Rxf7 Nd5 29. Nxd5 Kxd5 {[%mdl 4096] Endgame KRN-KR} 30. Rf5+ Kc6 31. g6 Re6 32. Rg5 Rf6 33. g7 Rf1+ 34. Kd2 Rf2+ 35. Ke1 Rxc2 36. g8=Q {Accuracy: White = 47% (6/7/18), Black = 18% (1/6/16).} 1-0 [Event "Klubbmesterskap 2020"] [Site "?"] [Date "2020.01.14"] [Round "4"] [White "Josef, Josef"] [Black "Flermoen, Dag"] [Result "1/2-1/2"] [ECO "C24"] [Annotator "Tactical Analysis 2.20 (17s)"] [PlyCount "88"] [SourceVersionDate "2020.01.14"] {[%evp 12,88,69,63,72,72,142,87,104,9,10,-200,2,-93,-87,-111,-89,-142,-115, -125,-53,-54,8,-63,-42,-71,-83,-393,-411,-416,180,172,248,248,245,246,283,251, 370,342,354,276,355,317,321,318,324,290,584,279,543,542,550,541,538,536,583, 370,370,370,379,0,0,0,0,0,0,-18,0,-190,-1,-11,0,0,-6,-18,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. O-O Bg4 7. h3 Bh5 {C24: Bishop's Opening: 2...Nf6} 8. Nc3 (8. Re1 Be7 9. g4 Bg6 10. Nxe5 Nxe5 11. Rxe5 Nb6 12. Bb3 O-O 13. Nd2 Kh8 14. Nf1 Bd6 15. Re1 Qh4 16. Qf3 f5 17. g5 Bh5 18. Qg2 f4 19. Re4 Rf5 20. Ne3 Rxg5 {0-1 (50) Adhiban,B (2655)-Nguyen,N (2630) Riadh 2017} ) 8... Nb6 {} ({Black should play} 8... Nxc3 9. bxc3 Qd6) ({ Predecessor:} 8... Nxc3 9. bxc3 Bc5 10. Be3 Bxe3 11. fxe3 O-O 12. Qe2 Qf6 13. e4 Rae8 14. Qf2 Qf4 15. Rab1 {1-0 (26) Fola,M (1593)-Baratosi,K Miercurea Ciuc 2018}) 9. Bb5 (9. Nxe5 {[%mdl 512]} Nxc4 (9... Nxe5 10. Qxh5) 10. Nxc6 Bxd1 11. Nxd8 Kxd8 12. Rxd1) 9... Bd6 {White is better.} 10. Ne4 (10. Re1 $1) 10... O-O 11. Ng3 (11. c3 {and White is okay.}) 11... Bg6 ({Better is} 11... Bxf3 12. gxf3 Nd4) 12. Qe1 (12. Bxc6 {remains equal.} bxc6 13. Re1) 12... Nd4 {[%CAl Rd4c2]} 13. Nxd4 exd4 14. b3 (14. Qa5) 14... Nd5 {Strongly threatening ...Nc3.} 15. Bc4 Bb4 (15... Nc3 { aiming for ...Re8.} 16. Bd2 b5 17. Bxc3 bxc4 18. Bxd4 Bxg3) 16. Qe5 Bc3 ({ Black should try} 16... c6 17. Bxd5 Qxd5 18. Qxd5 cxd5) 17. Rb1 (17. Ba3 $11 Nb4 18. Bxb4 Bxb4 19. f4) 17... Nb4 18. Bb2 Re8 19. Qb5 {[%mdl 8192]} ( 19. Qf4 {is more resistant.} Nxc2 20. Rfc1 Bxb2 21. Rxb2) 19... c6 { [%CAl Rc6b5]} 20. Qa4 {With the idea Bxc3.} a6 {[%mdl 8192]} (20... a5 { avoids the disaster.} 21. f4 b5 22. Bxb5 cxb5 23. Qxb5 Rb8) 21. Bxc3 b5 ( 21... a5) 22. Qxb4 dxc3 23. Qxc3 Qg5 24. Rbe1 (24. Qa5 h6) 24... Kf8 ( 24... bxc4 25. Qxc4 Qb5) 25. Rxe8+ Rxe8 26. Re1 bxc4 27. Rxe8+ ({Not} 27. bxc4 Rxe1+ 28. Qxe1 h5) 27... Kxe8 28. Qxc4 Qb5 29. h4 f6 (29... Qxc4 { was worth a try.} 30. bxc4 h6) 30. Ne4 (30. Qg8+ Ke7 31. Qxg7+ Ke6 32. Qg8+ Ke7 33. h5 {[%mdl 512]}) 30... Qe5 (30... Qxc4 31. Nd6+ (31. bxc4 Bxe4 32. dxe4 Kf7) 31... Ke7 32. Nxc4 (32. bxc4 {perishes.} Kxd6 33. Kf1 Kc5) 32... Bf7) 31. Qxc6+ Ke7 32. Qb7+ Kf8 33. Qxa6 f5 34. Nd6 Qe1+ 35. Kh2 Qxf2 36. Qc8+ (36. Qa8+ Ke7 {} 37. Qa7+ {[%mdl 576] Decoy} Qxa7 38. Nc8+ {[%mdl 64] Double Attack} Kf6 39. Nxa7) 36... Ke7 37. Qc7+ Ke6 38. Qd8 Qf4+ {[%mdl 64] Double Attack} 39. Kg1 Qc1+ 40. Kf2 (40. Kh2 { and White has nothing to worry.}) 40... Qf4+ (40... Qxc2+ 41. Kg1 Qc5+ 42. Kf1 Qc1+ 43. Kf2 Qf4+ 44. Kg1 Qxd6 45. Qg8+ Kf6) 41. Ke1 {The position is equal.} Qe3+ 42. Kf1 Qf4+ 43. Ke1 {Black must now prevent Qc8+.} Qe3+ 44. Kf1 Qf4+ {Accuracy: White = 38% (15/7/32), Black = 46% (12/8/29).} 1/2-1/2 [Event "Klubbmesterskap 2020"] [Site "?"] [Date "2020.01.14"] [Round "1"] [White "Skau, Karl Isak"] [Black "Kulseng, Ola Tangen"] [Result "1-0"] [ECO "B22"] [Annotator "Tactical Analysis 2.20 (17s)"] [PlyCount "99"] [SourceVersionDate "2020.01.14"] {[%evp 9,99,-29,63,0,4,-6,34,12,35,33,93,17,17,8,8,-8,-1,-10,30,-69,-64,-50,0, -32,160,31,36,33,79,33,77,80,172,169,296,282,332,337,337,335,331,332,567,482, 498,491,746,743,740,743,733,649,1024,1015,921,607,607,519,522,474,453,455,475, 479,480,292,329,318,325,299,325,282,422,414,421,419,450,450,587,570,640,585, 713,686,812,812,815,813,813,812,1054,2114]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Be6 (5... dxe5 6. Nxe5 (6. Qb3 e6) 6... e6) ({ Predecessor:} 5... Nb6 6. Bb3 c4 7. Bc2 dxe5 8. Nxe5 Qd5 9. Nf3 Bg4 10. d4 cxd3 11. Qxd3 Qxd3 12. Bxd3 Nc6 {1-0 (44) Mamedov,R (2659)-Sethuraman,S (2638) Moscow 2019}) 6. Bb5+ {B22: Sicilian: 2 c3} (6. Qb3 Nc7 7. Bxe6 Nxe6 8. Qxb7) 6... Nd7 7. O-O g6 8. d4 {White is slightly better.} Nc7 (8... a6 { [%CAl Ra6b5]} 9. Bxd7+ Qxd7) 9. Ba4 b5 {} (9... dxe5 10. dxc5 ( 10. Nxe5 b5) 10... Bg7) 10. Bc2 (10. exd6 exd6 11. Bc2) 10... dxe5 $1 11. dxe5 Bg7 12. Re1 O-O 13. Bf4 Bg4 14. b3 (14. Bg3) 14... Ne6 15. Bg3 Ng5 16. Nbd2 Qc7 (16... Qa5 {keeps the upper hand.}) 17. Qe2 ({ Better is} 17. e6 {[%CAl Re6f7]} Ne5 18. Rxe5 (18. Bxe5 Bxe5 19. Rxe5 Nxf3+ 20. Nxf3 Bxf3) 18... Bxe5 19. Bxe5 Qxe5 20. Nxe5 Bxd1 21. Rxd1) 17... Nxf3+ 18. Nxf3 Bxf3 (18... e6 {is more appropriate.}) 19. gxf3 (19. Qxf3 $16 {Strongly threatening e6.} e6 20. Qe3) 19... Qb6 (19... Qa5 {should be considered.}) 20. f4 e6 (20... Qa5) 21. Rad1 Rfd8 (21... Qc7 {was called for.} 22. Qxb5 Nb6) 22. Bh4 a6 23. Rd6 ({Resist} 23. Bxd8 Qxd8 24. Qf3 Ra7) 23... Qc7 24. Bxd8 Rxd8 25. Red1 Kf8 (25... Bf8 26. Rxa6 c4) 26. Rxa6 Rb8 27. Qd2 Rd8 (27... Nb6 28. Be4 Bh6 29. Qd6+ Qxd6 30. Rxd6 Nd5 31. Bxd5 exd5 32. Rxd5 Bxf4 33. Rxc5 h5) 28. Qd6+ Qxd6 29. Raxd6 ({Not} 29. exd6 Bxc3 30. a4 bxa4) 29... Ke7 30. a4 bxa4 31. bxa4 f6 32. exf6+ Bxf6 33. a5 { Threatens to win with Ba4.} Bxc3 34. Ba4 Bd4 35. Rxd7+ Rxd7 36. Bxd7 Kxd7 { [%mdl 4096] Endgame KR-KB} 37. Rd2 Kc6 38. a6 Kb6 39. Ra2 {And now a7 would win.} Ka7 40. Kf1 c4 (40... e5 {might work better.} 41. fxe5 Bxe5) 41. Ke2 Bc5 42. f3 Bd4 43. Ra4 {White is clearly winning.} Bg1 44. h3 Bh2 45. Kd2 Bxf4+ 46. Kc3 h5 47. Kxc4 g5 48. Kb5 e5 49. Rc4 e4 50. Rxe4 {Accuracy: White = 69% (27/ 10/44), Black = 36% (12/11/41).} 1-0 [Event "Klubbmesterskap 2020"] [Site "?"] [Date "2020.01.14"] [Round "1"] [White "Eriksen, Petter O."] [Black "Hamberg, Kim"] [Result "1/2-1/2"] [ECO "D32"] [Annotator "Tactical Analysis 2.20 (17s)"] [PlyCount "104"] [SourceVersionDate "2020.01.14"] {[%evp 11,104,33,78,21,50,-54,-46,-36,-41,-104,-5,-22,-9,-2,0,-63,-59,-79,-79, -174,-175,-174,-178,-166,-171,-166,-166,-187,-184,-187,-155,-213,-185,-184, -190,-190,-190,-190,-190,-190,-185,-190,-185,-190,-191,-204,-185,-200,-196, -210,-208,-210,-210,-208,-206,-305,-304,-303,-304,-304,-303,-338,-338,-338, -338,-338,-338,-338,-338,-338,-338,-338,-338,-338,-338,-338,-277,-854,-450, -1228,-254,-254,-254,-261,-254,-254,-254,-261,-16,-16,-16,-17,-17,-17,-15]} 1. c4 e6 2. Nc3 c5 3. Nf3 d5 4. cxd5 exd5 5. d4 Nc6 6. dxc5 d4 (6... Bxc5 { was preferrable.} 7. Qxd5 Qb6) 7. Ne4 {D32: Tarrasch Defence: Sidelines and lines without g3} (7. Na4) (7. Na4 Bxc5 8. Nxc5 Qa5+ 9. Bd2 Qxc5 10. Rc1 Qb6 11. e3 Nf6 12. Bc4 dxe3 13. Bxe3 Qb4+ 14. Bd2 Qe7+ 15. Be2 {1/2-1/2 (74) Wojtaszek,R (2737)-Nisipeanu,L (2672) Dortmund 2019}) 7... Bf5 8. Nd6+ (8. Ng3 $14 Be6 9. Bd2 {[%mdl 64] Decoy}) 8... Bxd6 9. cxd6 {Black is slightly better.} Qxd6 10. g3 {} ({Better is} 10. Nh4 Be4 11. f3) 10... Nge7 ( 10... Nb4 {[%CAl Rb4c2] Strongly threatening ...Nc2+.} 11. Bf4 (11. Nxd4 $2 Qxd4 {[%mdl 64] Remove Defender} 12. Qxd4 Nc2+ {[%mdl 64] Double Attack} 13. Kd1 Nxd4) 11... Qc5) 11. Bf4 ({Predecessor:} 11. Bg2 O-O 12. O-O Rad8 13. Bf4 Qd7 14. Rc1 d3 15. exd3 Qxd3 16. Qxd3 Rxd3 {1/2-1/2 (48) Ferrari,L (1608)-Bianchi,T (1610) France 2010}) 11... Qb4+ 12. Qd2 Rd8 13. a3 (13. Rc1 $11) 13... Qb6 14. Bg2 d3 15. O-O (15. e3 {might work better.}) 15... dxe2 $19 16. Qxe2 Bd3 {[%mdl 64] Skewer} 17. Qe3 Qxe3 ({Worse is} 17... Qxb2 18. Rfe1) 18. Bxe3 Bxf1 19. Rxf1 O-O 20. Rc1 Rd3 21. h4 (21. Bf1 Rd5 22. Bc4) 21... Rb3 22. Nd4 Rxb2 23. Nxc6 Nxc6 ({Don't take} 23... bxc6 24. Bc5) 24. Bxc6 bxc6 25. Rxc6 {[%mdl 4096] Endgame KRR-KRB} Rb7 26. Ra6 Ra8 27. Kg2 f6 28. Kf3 Rd7 29. Ke4 Kf7 30. Bc5 Kg6 31. Kf4 h5 32. Be3 Rc7 33. Bb6 (33. Kf3 { was necessary.}) 33... Rc6 34. Rxa7 Rxa7 35. Bxa7 {KR-KB} Rc3 36. a4 Rc4+ 37. Kf3 Rxa4 38. Bb6 Kf5 39. Bc5 g5 40. hxg5 fxg5 41. Be3 Rg4 42. Kg2 Rc4 43. Kh3 h4 44. Bb6 (44. gxh4 Rxh4+ 45. Kg3) 44... Rc3 45. Be3 (45. Kg2) 45... hxg3 (45... g4+ 46. Kh2 {} Rxe3 {[%mdl 512]} 47. fxe3 h3 48. Kg1 Ke4 49. Kf2 Kd3 50. Kf1 Kxe3 51. Kg1 Kf3 52. Kh2 Kf2 53. Kh1 Kxg3 54. Kg1 Kf3 55. Kh2 g3+ 56. Kh1 g2+ 57. Kg1 Ke2 58. Kh2 Kf2 59. Kxh3 g1=Q 60. Kh4 Qg6 61. Kh3 Qh5#) 46. Kxg3 g4 47. Kh4 Rc4 48. Kg3 Re4 49. Bb6 {intending f3.} Kg5 ({ Black should try} 49... Rf4 {Threatens to win with ...Rf3+.} 50. Bc5 Rf3+ 51. Kg2 Ke6) 50. f3 {The position is equal.} Rb4 51. Bd8+ Kf5 {Hoping for . ..Rb3.} 52. fxg4+ Rxg4+ {Accuracy: White = 59% (18/16/43), Black = 71% (25/17/ 46).} 1/2-1/2