[Event "Computer chess game"] [Site "OMPERICIAS-PC"] [Date "2023.01.22"] [Round "?"] [White "Oswald"] [Black "CXG Chess 2001"] [Result "1/2-1/2"] [ECO "D10"] [WhiteElo "2400"] [BlackElo "1"] [Annotator "Tactical Analysis 6.4"] [PlyCount "108"] [EventDate "2023.??.??"] [TimeControl "300"] {[%evp 9,108,10,29,18,20,10,15,11,48,37,49,58,95,77,84,71,71,41,223,103,237,139,143,-1,87,26,111,8,385,20,96,124,168,156,271,168,561,544,722,512,543,30,12,1,1,-1,44,37,125,37,182,158,156,152,142,152,150,129,162,162,165,-1,151,120,200,185,232,224,250,246,254,258,246,90,50,31,20,26,57,38,36,11,40,1,45,1,-16,-18,-17,-16,-1,-18,-16,-17,-16,-17,-16,-24,-17,-16,-16]} 1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nc3 e6 5. Nf3 Bb4 6. Bd2 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Nf6 7. Be2 O-O 8. O-O {[%CAl Oc3d5] [#]} Qa5 $146 (8... dxc4 $11 9. Bxc4 Nbd7) ({Predecessor:} 8... Nbd7 9. Rc1 dxc4 10. Bxc4 Nb6 11. Be2 Bd6 12. h3 Nbd5 13. a3 Ne4 14. Nxe4 Bxe4 15. Ne1 Qg5 16. Bf3 Bxf3 17. Nxf3 {0-1 Serbin,A (1750)-Monev,D World Corporate East E Chess.com INT rapid 2021 (3.7)}) 9. Rc1 Bxc3 10. Bxc3 Qa6 (10... Qc7 $14) 11. cxd5 Qxa2 12. dxe6 Qxe6 13. Ne5 Rd8 $2 (13... Nbd7 $14) 14. Ba5 (14. Bc4 $18 {is more deadly.} Nd5 15. Re1) 14... Rd6 {Black is weak on the dark squares} (14... b6 $16) 15. Bb4 (15. Bc4 $18 Nd5 16. Bc7) 15... Rd8 16. Ba5 {White is more active.} (16. Bc4 $16 Nd5 17. Re1) 16... b6 (16... Rd6 $1 $11) 17. Bc3 (17. Be1 $16) 17... a5 (17... Nbd7 $11 {remains equal.} 18. f4 Be4) 18. Ra1 ({Better is} 18. Bc4 $16 Nd5 19. Qf3) 18... Qd5 {[%mdl 8192]} (18... Nbd7 $11 19. Nxd7 Nxd7) 19. Bf3 $2 (19. Bc4 $18 Qxe5 20. dxe5 Rxd1 21. Rfxd1) 19... Qe6 {[#]} (19... Be4 $11 {keeps the balance.}) 20. b4 $1 $16 Ra6 (20... Ne4 $16) 21. bxa5 $18 Ne4 (21... b5 $16 {was worth a try.} 22. Qd2 Qc8) 22. Be1 {axb6 is the strong threat.} Nxf2 $2 (22... b5 23. g4 Bg6) 23. Bxf2 {This pair of bishops is nice.} f6 24. Nxc6 Nxc6 25. Bxc6 $2 (25. axb6 $18 Rxa1 26. Qxa1) 25... Qxc6 $11 26. axb6 Rxb6 27. Qf3 Qxf3 (27... Be4 $11 {might be stronger.} 28. Qg3 Qb7) 28. gxf3 $14 Rc8 (28... Bh3 $1 $14) 29. Rfc1 (29. Kg2 $16) 29... Bc2 (29... Rxc1+ $14 30. Rxc1 Bh3) 30. Ra2 Rb1 31. Rxb1 Bxb1 $16 {[%mdl 4096] Endgame. KRB-KRB} 32. Rb2 Bd3 33. Kg2 Kf7 34. Rb7+ Kg6 35. Rb2 $2 ({White should try} 35. d5 $18) 35... Kf7 $1 $11 36. Kg3 f5 (36... g5 $16 {was necessary.}) 37. Kf4 $18 Ke6 (37... h6 $142 38. e4 fxe4) 38. Rb6+ Kd5 39. Rb7 Rg8 40. h4 h6 41. Rb6 $2 (41. h5 $18 {has better winning chances.}) 41... g5+ $16 42. hxg5 hxg5+ 43. Kg3 Rh8 {[%CAl Og5g4]} 44. Kg2 g4 45. fxg4 fxg4 {[%CAl Bf5g4,Bg4g3][%mdl 32]} 46. Rf6 (46. Bg3 $14 {deserves consideration.}) 46... Rh3 (46... Re8 $11) 47. Rf4 (47. Bg3 $14 {was preferrable.}) 47... Be4+ $11 48. Kf1 g3 49. Bg1 Rh1 50. Rxe4 {[%mdl 64] [#] Remove Defender} Kxe4 51. Kg2 {[%csl Bg3,Bh1]} Rh5 52. Kxg3 Rg5+ 53. Kf2 Rb5 {[%mdl 1024] Black has compensation.} 54. Kg3 Rb6 {Blacks defense is rewarded with a draw. Weighted Error Value: White=0.66/Black=0.67. Loses game: --- Black=2 Missed win: White=2 --- Mistake: White=9 Black=15 Inaccurate: White=2 Black=3 OK: White=13 Black=10 Best: White=2 Black=1 Strong: --- Black=1 Brilliant: --- ---} 1/2-1/2