[Event "44th Chess Olympiad Open 2022"] [White "Korobov,Anton"] [Black "Quesada Perez,Yasser"] [Site "Chennai"] [Round "3.8"] [Annotator "TA"] [Result "0-1"] [Date "2022.07.31"] [WhiteElo "2692"] [BlackElo "2568"] [PlyCount "134"] [TimeControl "60"] {[%evp 9,134,15,14,10,0,11,22,0,0,0,0,-6,0,0,0,-8,0,-15,0,0,0,-40,0,0,0,-5,-6,-10,-10,-12,-6,-11,-12,-13,-13,-83,-81,-122,-130,-135,-131,-134,-127,-116,-84,-105,-82,-94,-87,-108,-100,-101,-102,-116,-109,-133,-94,-100,-102,-108,-111,-111,-103,-136,-118,-131,-104,-122,-128,-108,-112,-109,-49,-139,-111,-99,-99,-107,-97,-112,-120,-116,-115,-168,-160,-193,-191,-198,-160,-279,-285,-279,-281,-266,-246,-252,-239,-241,-196,-193,-192,-1647,-1469,-29971,-29971,-29972,-29972,-29976,-29977,-29977,-29978,-29978,-29979,-29978,-29979,-29980,-29981,-29981,-29982,-29982,-29983,-29984,-29985,-29985,-29986,-29986,-29987]} 1. c4 {[%emt 0:0:4] } e5 {[%emt 0:0:18]} 2. d3 {[%emt 0:0:8]} Bb4+ {[%emt 0:2:44] } 3. Nd2 {[%emt 0:1:10]} Nf6 {[%emt 0:0:55]} 4. Ngf3 {[%emt 0:0:6]} d6 {[%emt 0:9:12] } 5. a3 {[%emt 0:6:34]} Bxd2+ {[%emt 0:0:9]} 6. Bxd2 {[%emt 0:0:0] A20: English Opening: 1...e5.} O-O {[%emt 0:1:15]} 7. e3 {[%emt 0:0:0]} Nc6 {[%emt 0:8:40] [#]} 8. Qc2 $146 {[%emt 0:2:56] The position is equal.} ({Predecessor:} 8. Bc3 b6 9. Be2 Bb7 10. O-O a5 11. Qc2 Qe7 12. d4 e4 13. Nd2 Nb8 14. b4 axb4 15. axb4 {1-0 (22) Tutov,N (1672)-Rivas Romero,J (1457) LSS email 2013} )a5 {[%emt 0:2:3]} 9. Be2 {[%emt 0:1:9]} a4 {[%emt 0:0:0]} 10. Bc3 {[%emt 0:3:51]} Re8 {[%emt 0:2:57]} 11. O-O {[%emt 0:6:37]} Bf5 {[%emt 0:9:45]} 12. Rad1 {[%emt 0:10:32]} h6 {[%emt 0:0:0]} 13. Rfe1 {[%emt 0:5:36] } e4 {[%emt 0:0:0]} 14. dxe4 {[%emt 0:1:20]} Nxe4 {[%emt 0:0:0]} 15. c5 {[%emt 0:4:7]} d5 {[%emt 0:9:5]} ({Don't play} 15... Nxc3 16. Qxc3 Be4 17. cxd6 $11 )(15... g6 $5 {[%cal Re4f2]} 16. Bd3 dxc5 $11 )16. Nd4 {[%emt 0:6:14] } Bg6 {[%emt 0:7:5][%cal Ye4f2]} 17. Nxc6 {[%emt 0:10:38]} bxc6 {[%emt 0:0:6]} 18. Qc1 {[%emt 0:4:35]} Qh4 {[%emt 0:3:53]} 19. Rf1 {[%emt 0:0:5] } Bh5 {[%emt 0:5:31]} 20. Bxh5 {[%emt 0:0:33]} Qxh5 {[%emt 0:0:0]} 21. Bb4 {[%emt 0:1:31]} Re6 {[%emt 0:2:3]} 22. Rd4 {[%emt 0:5:48]} (22. f3 $11 Ng5 23. Bc3 )Qe2 $17 {[%emt 0:0:7]} 23. Qe1 {[%emt 0:9:8] } Qxb2 {[%emt 0:0:39] Black is much more active.} 24. Qb1 {[%emt 0:0:53]} Qxb1 {[%emt 0:4:50]} 25. Rxb1 {[%emt 0:0:2]} Ree8 {[%emt 0:0:5]} 26. h4 {[%emt 0:1:50] } Reb8 {[%emt 0:0:10] Hoping for ...Nxc5.} 27. Rc1 {[%emt 0:0:0]} Nf6 {[%emt 0:2:50]} 28. f3 {[%emt 0:0:58]} Nh7 {[%emt 0:3:5]} 29. Kf2 {[%emt 0:0:43]} Nf8 {[%emt 0:0:10]} 30. g4 {[%emt 0:0:29]} Ne6 {[%emt 0:0:0]} 31. Rd3 {[%emt 0:0:17]} Rf8 {[%emt 0:0:37]} 32. e4 {[%emt 0:1:34]} dxe4 {[%emt 0:4:7]} 33. fxe4 {[%emt 0:0:9]} Rfd8 {[%emt 0:0:5]} 34. Rcd1 {[%emt 0:0:26] } Rxd3 {[%emt 0:0:6]} 35. Rxd3 {[%emt 0:0:4] Endgame KRB-KRN} Kf8 {[%emt 0:0:8]} 36. Ke3 {[%emt 0:2:41]} Ke7 {[%emt 0:0:0]} 37. h5 {[%emt 0:1:9]} Rg8 {[%emt 0:13:14]} 38. Be1 {[%emt 0:1:9]} Rb8 {[%emt 0:1:12]} 39. Bb4 {[%emt 0:0:5]} f6 {[%emt 0:3:9]} 40. Rd1 {[%emt 0:0:0]} Ng5 {[%emt 0:1:4]} (40... Nf8 $17 41. Rd4 Nd7 )41. Ba5 {[%emt 0:0:0]} ({Better is} 41. Kf4 $15 )Rb7 {[%emt 0:13:39]} 42. Bb4 {[%emt 0:0:0]} Nf7 {[%emt 0:0:0]} 43. Kf4 {[%emt 0:0:44]} Ke6 $1 {[%emt 0:0:0]} 44. Rd2 {[%emt 0:3:10] [#]} Rb8 $1 {[%emt 0:0:0]} 45. Rd1 {[%emt 0:1:13]} Ne5 {[%emt 0:0:0] } 46. Rd2 {[%emt 0:0:35]} (46. Kg3 $17 {was worth a try.} )g6 {[%emt 0:1:2]} 47. hxg6 {[%emt 0:2:26]} Nxg6+ {[%emt 0:0:8]} 48. Kg3 {[%emt 0:1:20] } Ne5 {[%emt 0:0:4] Strongly threatening ...Rg8.} 49. Kh3 {[%emt 0:1:2] [#]} (49. Rd4 $17 )Rg8 $1 $19 {[%emt 0:1:17]} 50. Rd4 {[%emt 0:3:3] } Rxg4 {[%emt 0:6:16]} 51. Ba5 {[%emt 0:0:51]} Nf3 {[%emt 0:0:0]} 52. Rxa4 {[%emt 0:3:0]} h5 {[%emt 0:0:5]} 53. Bxc7 {[%emt 0:0:9]} Ng5+ {[%emt 0:0:5]} 54. Kh2 {[%emt 0:0:13]} Rxe4 {[%emt 0:3:8]} 55. Rxe4+ {[%emt 0:1:29]} (55. Ra8 )Nxe4 {[%emt 0:0:6] KB-KN} 56. Kh3 {[%emt 0:0:0]} Nxc5 {[%emt 0:0:24] Black mates.} 57. Kh4 {[%emt 0:0:1]} Kf5 {[%emt 0:2:24] } 58. Kxh5 {[%emt 0:0:6]} Na4 {[%emt 0:0:9]} 59. Kh4 {[%emt 0:0:58] } Ke4 {[%emt 0:0:7]} 60. Kg3 {[%emt 0:0:19]} c5 {[%emt 0:0:0][%cal Yc6c5,Yc5c4,Yc4c3,Yc3c2]} 61. Kf2 {[%emt 0:2:41]} f5 {[%emt 0:0:10][%cal Yf6f5,Yf5f4,Yf4f3] } 62. Ke2 {[%emt 0:0:17]} f4 {[%emt 0:1:4] } 63. Ba5 {[%emt 0:0:40]} f3+ {[%emt 0:0:40]} 64. Kd2 {[%emt 0:0:0]} c4 {[%emt 0:0:20]} 65. Bd8 {[%emt 0:0:18]} c3+ {[%emt 0:0:23]} 66. Ke1 {[%emt 0:0:2]} c2 {[%emt 0:1:48]} 67. Bg5 {[%emt 0:0:5]} Nb2 {[%emt 0:0:0] Weighted Error Value: White=0.40/Black=0.06 (flawless)} 0-1