[Event "44th Chess Olympiad Open 2022"] [White "Albornoz Cabrera,Carlos Daniel"] [Black "Mamedov,Rauf"] [Site "Chennai"] [Round "5.6"] [Annotator "TA"] [Result "1-0"] [Date "2022.08.02"] [WhiteElo "2566"] [BlackElo "2656"] [PlyCount "75"] [TimeControl "60"] {[%evp 19,75,6,13,0,0,0,14,25,18,16,18,16,28,13,81,79,66,67,85,48,55,50,85,85,85,82,76,83,95,91,79,89,77,56,68,68,194,168,189,191,207,200,201,187,402,403,463,461,806,801,1005,983,1110,1058,1901,1933,2031,1823]} 1. e4 {[%emt 0:0:5]} c5 {[%emt 0:0:8]} 2. Nf3 {[%emt 0:0:7]} Nc6 {[%emt 0:0:3]} 3. d4 {[%emt 0:0:4] } cxd4 {[%emt 0:0:3]} 4. Nxd4 {[%emt 0:0:6]} Nf6 {[%emt 0:0:0]} 5. Nc3 {[%emt 0:0:8]} e5 {[%emt 0:0:1]} 6. Ndb5 {[%emt 0:0:9]} d6 {[%emt 0:0:3] } 7. Nd5 {[%emt 0:0:33]} Nxd5 {[%emt 0:0:5]} 8. exd5 {[%emt 0:0:0]} Nb8 {[%emt 0:0:6]} 9. a4 {[%emt 0:0:21]} Be7 {[%emt 0:1:36]} 10. Be2 {[%emt 0:0:6]} O-O {[%emt 0:1:35]} 11. Bd2 {[%emt 0:0:7] B33: Sicilian: Pelikan and Sveshnikov Variations.} a6 {[%emt 0:2:55]} 12. Na3 {[%emt 0:0:5] } a5 {[%emt 0:0:3]} 13. Bb5 {[%emt 0:0:4] The position is equal.} f5 {[%emt 0:9:37]} 14. Qe2 {[%emt 0:6:7]} Nd7 {[%emt 0:14:38] [#]} 15. Nc4 $146 {[%emt 0:0:31]} ({Predecessor:} 15. O-O-O Nc5 16. f4 Bf6 17. fxe5 dxe5 18. Be3 b6 19. Nc4 Rb8 20. Nxa5 bxa5 21. Bxc5 {1-0 (27) Anand,V (2765) -Baron,T (2531) Douglas 2019} )Nc5 {[%emt 0:13:31]} 16. Be3 {[%emt 0:0:0]} Qc7 {[%emt 0:6:29] [#]} (16... b6 $11 {remains equal.} )17. f4 $1 $16 {[%emt 0:1:23] Threatens to win with fxe5.} e4 {[%emt 0:6:15]} 18. O-O-O {[%emt 0:8:24] } Bd7 {[%emt 0:6:11]} 19. Bxd7 {[%emt 0:1:12]} Nxd7 {[%emt 0:0:0]} 20. Na3 {[%emt 0:4:8]} Rac8 {[%emt 0:3:23]} 21. Kb1 {[%emt 0:3:30]} Nc5 {[%emt 0:5:8]} 22. Nb5 {[%emt 0:3:4]} Qd7 {[%emt 0:1:22]} 23. b3 {[%emt 0:1:12] } Bf6 {[%emt 0:0:9]} 24. h3 {[%emt 0:8:22]} Na6 {[%emt 0:0:0]} 25. g4 {[%emt 0:3:30]} Nc7 {[%emt 0:0:57]} 26. Nxc7 {[%emt 0:8:27]} Qxc7 {[%emt 0:1:33]} 27. c4 {[%emt 0:0:32]} b5 {[%emt 0:6:29] A mistake that costs the game.} (27... Bc3 $14 )28. axb5 $18 {[%emt 0:7:40][%cal Ya4b5,Yb5b6]} a4 {[%emt 0:0:9]} 29. b6 {[%emt 0:0:3]} (29. bxa4 Qa5 30. Bd4 Qxa4 $17 )Qb7 {[%emt 0:5:58] [#]} 30. b4 {[%emt 0:0:8] c5 is the strong threat.} ({Don't blunder} 30. bxa4 $2 Qa6 31. Bd4 (31. g5 Rxc4 32. Bd4 Rb4+ 33. Qb2 Rxb2+ $19 )Rxc4 32. Bxf6 (32. Qb2 $2 Qxa4 33. Bxf6 gxf6 $19 )gxf6 $19 )Qa6 {[%emt 0:0:45]} 31. Rc1 {[%emt 0:0:29] aiming for Rc2.} a3 $2 {[%emt 0:0:13]} (31... Rb8 32. Rc2 (32. gxf5 Bd8 $16 )Rxb6 33. Bxb6 Qxb6 )32. Ka2 {[%emt 0:1:9]} Rb8 {[%emt 0:4:10]} 33. Rc2 {[%emt 0:0:0] White is clearly winning.} Rfc8 {[%emt 0:4:6]} (33... Rxb6 $142 34. Bxb6 Qxb6 )34. c5 {[%emt 0:2:38][%cal Yc4c5,Yc5c6]} Qa4 {[%emt 0:0:0]} 35. c6 {[%emt 0:1:15]} Qxb4 {[%emt 0:0:7]} 36. Rb1 {[%emt 0:1:21]} Bb2 {[%emt 0:0:5]} 37. Qa6 {[%emt 0:3:29] Active counter play!} Rf8 {[%emt 0:0:0]} 38. b7 {[%emt 0:1:5] Weighted Error Value: White=0.04 (flawless) / Black=0.28 (precise)} 1-0