[Event "GER-chT Seniors 02nd"] [Site "Schwaebisch Gmuend"] [Date "1993.??.??"] [Round "5"] [White "Knop, Gerhard"] [Black "Aepfler, Gerhard"] [Result "1-0"] [ECO "A22"] [Annotator "Schroeer,Egbert"] [PlyCount "120"] [EventDate "1993.05.??"] [EventType "team-tourn"] [EventRounds "7"] [EventCountry "GER"] [SourceTitle "EXT 2006"] [Source "ChessBase"] [SourceDate "2005.11.24"] [SourceVersion "1"] [SourceVersionDate "2005.11.24"] [SourceQuality "1"] {[%evp 9,120,91,85,85,92,92,86,91,90,97,105,98,140,-42,48,50,47,62,55,49,56,6,77,-62,71,-134,-134,-209,-214,-296,-304,-349,-351,-379,-333,-340,-321,-468,-431,-390,-284,-281,-275,-425,-199,-255,-94,-109,0,-118,-82,-134,0,0,0,0,184,90,179,175,176,0,0,7,128,157,362,364,365,364,364,354,352,320,606,313,554,580,784,725,898,745,895,868,767,480,633,228,1236,817,15300,1631,1689,1614,2104,2112,1767,1869,2135,2094,1614,15300,2354,2268,2432,15300,15300,15300,2327,2234,2211,2148,2177]} 1. c4 e5 2. Nc3 {[%CAl Bb1c3,Bc3e4,Be4g3,Bg3e2][%mdl 32]} Nf6 3. Nf3 e4 4. Ng5 c6 {[%CAl Bc7c6,Bc6d5][%mdl 32] A22: English Opening: 1...e5 2 Nc3 Nf6} 5. Ngxe4 Nxe4 6. Nxe4 d5 7. cxd5 cxd5 8. Ng3 {White is better.} (8. Qa4+ $2 Bd7 9. Qd4 dxe4 10. Qxe4+ Be7 $19) 8... Bd6 9. d4 h5 {Strongly threatening ...h4.} 10. e3 $1 h4 {[%eval 140,23] [%wdl 609,391,0]} (10... Nc6 $142 {[%eval 98,21] [%wdl 299,700,1]}) 11. Bb5+ $2 {[%eval -42,23] [%wdl 5,928,67]} (11. Ne2 $1 $16 {[%eval 140,23] [%wdl 609,391,0]}) 11... Kf8 {[%eval 48,24] [%wdl 79,917,4]} (11... Nc6 $15 {[%eval -42,23] [%wdl 5,928,67]} 12. Ne2 h3) 12. Ne2 $14 h3 13. g3 Bg4 {Hoping for ...Qa5+.} 14. Qb3 (14. O-O {keeps more tension.} Bf3 15. Qb3 Nc6 16. Nf4) 14... Bf3 15. Rg1 {[%eval 6,23] [%wdl 19,969,12]} (15. O-O $14 {[%eval 56,22] [%wdl 91,906,3]}) 15... Nd7 {[%eval 77,19] [%wdl 161,838,1]} (15... Nc6 $11 {[%eval 6,23] [%wdl 19,969,12] keeps the balance.}) 16. Bd2 {[%eval -62,25] [%wdl 2,893,105]} (16. Nf4 $16 {[%eval 77,19] [%wdl 161,838,1]}) 16... a5 {[%eval 71,23] [%wdl 134,865,1]} (16... Nf6 $1 $15 {[%eval -62,25] [%wdl 2,893,105] keeps the upper hand.}) 17. Bxd7 $2 {[%eval -134,23] [%wdl 0,454,546]} (17. Nc3 $1 $16 {[%eval 71,23] [%wdl 134,865,1]}) 17... Qxd7 $17 18. Qb6 {[%eval -209,28] [%wdl 0,65,935] White is weak on the light squares} (18. a4 $17 {[%eval -134,24] [%wdl 0,451,549] was necessary.}) 18... Rh6 {[%mdl 1024] ...Bxe2 would now be deadly. Black has strong compensation.} 19. Qb3 a4 20. Qd1 a3 21. b4 Be7 22. Qb3 Rc6 (22... Qb5 23. Nf4 $19) 23. Rc1 {[%eval -468,18] [%wdl 0,0,1000]} (23. b5 $142 {[%eval -321,21] [%wdl 0,1,999]} Rc4 24. Rc1) 23... Rxc1+ $19 24. Nxc1 b6 {...Qb5 is the strong threat.} 25. b5 Rc8 26. Bc3 {[%eval -425,25] [%wdl 0,0,1000]} (26. Nd3 $142 {[%eval -275,23] [%wdl 0,7,993]} Kg8 27. Ne5) 26... Rc4 {[%eval -199,28] [%wdl 0,89,911]} (26... Bg4 $142 {[%eval -425,25] [%wdl 0,0,1000]} 27. Nd3 Qf5) 27. Kd2 Bg4 $2 {[%eval -94,24] [%wdl 0,791,209] This pair of bishops is nice.} (27... Qf5 $19 {[%eval -255,26] [%wdl 0,13,987] has better winning chances. And now ...Bg4 would win.} 28. Nd3 Be4) 28. Nd3 $17 f6 {[%eval 0,27] [%wdl 10,981,9] Against Ne5} (28... Qf5 $6 29. f4 f6 30. Nf2 $11) ({Black should try} 28... Bd6 $17 {[%eval -109,27] [%wdl 0,690,310]}) 29. f4 {[%eval -118,27] [%wdl 0,622,378]} (29. e4 $1 $11 {[%eval 0,27] [%wdl 10,981,9]}) 29... Be6 {[%eval -82,27] [%wdl 1,855,144]} (29... Bd6 $142 {[%eval -118,27] [%wdl 0,622,378]} 30. Nf2 Be6) 30. Re1 {[%eval -134,26] [%wdl 0,489,511]} (30. Nf2 $142 {[%eval -82,27] [%wdl 1,855,144]}) 30... Rc8 {[%eval 0,27] [%wdl 9,982,9]} (30... g6 $17 {[%eval -134,26] [%wdl 0,489,511]}) 31. Bb4 $11 Bxb4+ 32. Qxb4+ Qe7 $2 {[%eval 184,30] [%wdl 854,146,0]} (32... Kg8 $11 {[%eval 0,27] [%wdl 9,982,9] and Black stays safe.}) 33. Rb1 {[%eval 90,32] [%wdl 178,822,0]} (33. Rc1 $1 $18 {[%eval 184,30] [%wdl 854,146,0][%CAl Rc1c8]}) 33... Rc4 {[%eval 179,25] [%wdl 829,171,0]} (33... Qxb4+ $16 {[%eval 90,32] [%wdl 178,822,0]} 34. Rxb4 (34. Nxb4 Rc4 $14) 34... Ra8) 34. Qxe7+ $18 Kxe7 {[%mdl 4096] Endgame. [#] KRB-KRN} 35. Nb4 $2 {[%eval 0,36] [%wdl 9,982,9]} (35. Rb4 $1 $18 {[%eval 176,27] [%wdl 810,190,0][%CAl Rb4c4]}) 35... Kd6 36. Rb3 {[%CAl Ob4c2] aiming for Nc2!} Bd7 {[%eval 128,22] [%wdl 435,565,0] [#]} (36... Bf5 $11 {[%eval 7,29] [%wdl 11,982,7] remains equal.}) 37. Nc2 $1 $16 Ra4 $2 {[%eval 362,24] [%wdl 1000,0,0]} (37... g6 $16 {[%eval 157,30] [%wdl 677,323,0] was called for.} 38. Rxa3 (38. Nxa3 Ra4 $16) 38... Bf5) 38. Rxa3 $18 ({Less strong is} 38. Nxa3 g5 $14) 38... Bxb5 39. Rxa4 Bxa4 {[%mdl 4096] KB-KN Endgame B-N} 40. a3 Bd7 41. Nb4 g6 $2 {[%eval 606,26] [%wdl 1000,0,0]} (41... f5 {[%eval 320,25] [%wdl 998,2,0]} 42. Nd3 Bb5) 42. Nd3 Kc6 $2 {[%eval 554,23] [%wdl 1000,0,0]} (42... Kc7 {[%eval 313,24] [%wdl 998,2,0]} 43. Nf2 Kd6) 43. Kc3 Kd6 44. Nf2 Bf5 45. Kb4 Kc6 46. a4 Kd6 47. Nd1 g5 48. Nc3 $2 {[%eval 228,35] [%wdl 951,49,0]} (48. fxg5 {[%eval 633,31] [%wdl 1000,0,0]} fxg5 49. Kb5) 48... gxf4 $2 {[%eval 1236,19] [%wdl 1000,0,0]} (48... Kc6 {[%eval 228,35] [%wdl 951,49,0]} 49. fxg5 fxg5) 49. exf4 {White is clearly winning.} ({Weaker is} 49. gxf4 Kc6 $16) 49... Bd7 50. Nd1 Ke6 51. Ne3 f5 52. a5 bxa5+ 53. Kxa5 Kd6 54. Nd1 Ke6 55. Nf2 Kf6 56. Nxh3 Be8 57. Nf2 Bh5 58. Kb6 {[%eval 2327,24] [%wdl 1000,0,0]} (58. Kb5 $142 {[%eval 15300,1] [%wdl 1000,0,0]} Ke7 59. Kc5) 58... Bf3 59. Kc6 Ke6 60. Nd3 Bg4 {Never resign too early! Weighted Error Value: White=0.57/Black=0.76. Loses game: --- Black=2 Missed win: White=1 Black=1 Mistake: White=10 Black=13 Inaccurate: White=1 Black=2 OK: White=12 Black=9 Best: White=5 Black=1 Strong: White=2 --- (Beauty=4.4)} 1-0