[Event "Zurich ct"] [Site "Zurich"] [Date "1953.??.??"] [Round "6"] [White "Smyslov, Vassily"] [Black "Kotov, Alexander"] [Result "1/2-1/2"] [Annotator "carev"] [Variant "Standard"] [ECO "B92"] [Opening "Sicilian Defense: Najdorf Variation, Opocensky Variation"] [Source "https://lichess.org/study/i3UbEcbt/hx9HRHlT"] [Orientation "white"] { [%evp 0,88,23,29,53,56,91,67,67,29,24,27,61,30,47,25,36,40,54,43,45,23,40,37, 26,9,-2,-9,-20,-29,-47,-58,-58,-61,-51,-57,-73,-63,-7,-22,50,41,44,34,50,44,60, 63,89,100,57,57,71,35,35,32,32,22,15,16,13,12,11,8,8,-28,1,6,45,13,12,13,16,33, 69,69,76,75,76,84,84,84,84,52,45,18,-2,0,0,7,0] } 1. e4 { [%eval 0.33] } 1... c5 { [%eval 0.32] } 2. Nf3 { [%eval 0.0] } 2... d6 { [%eval 0.0] } 3. d4 { [%eval 0.3] } 3... cxd4 { [%eval 0.13] } 4. Nxd4 { [%eval 0.29] } 4... Nf6 { [%eval 0.31] } 5. Nc3 { [%eval 0.18] } 5... a6 { [%eval 0.0] } 6. Be2 { [%eval 0.07] } 6... e5 { [%eval 0.13] } 7. Nb3 { [%eval 0.0] } 7... Be7 { [%eval 0.2] } 8. Be3 { [%eval 0.37] } 8... Nbd7 { [%eval 0.75] } 9. O-O { [%eval 0.53] } 9... O-O { [%eval 0.99] } 10. f3?! { [%eval 0.06] } { Inaccuracy. a4 was best. } (10. a4 b6 11. Nd2 Bb7 12. Bc4 Qc7 13. Qe2 Rfd8 14. Rfd1 h6 15. Nf1 Rdc8 16. Ba2 Nxe4) 10... Qc7?! { [%eval 0.66] } { Inaccuracy. Nb6 was best. } (10... Nb6) 11. Qe1?! { [%eval -0.36] } { Inaccuracy. a4 was best. } (11. a4) 11... b5 { [%eval -0.14] } 12. a3 { [%eval -0.66] } 12... Nb6 { [%eval -0.65] } 13. Qf2?! { [%eval -1.23] } { Inaccuracy. f4 was best. } (13. f4) 13... Rb8 { [%eval -1.25] } 14. Rab1 { [%eval -1.5] } 14... Be6 { [%eval -1.5] } 15. Kh1 { [%eval -1.48] } 15... Nc4 { [%eval -1.11] } 16. Bxc4 { [%eval -1.08] } 16... bxc4 { [%eval -0.83] } 17. Nc1 { [%eval -1.16] } 17... Rb7 { [%eval -0.71] } 18. N1a2 { [%eval -1.19] } 18... d5? { [%eval -0.03] } { Mistake. h6 was best. } (18... h6 19. Rfd1 a5 20. a4 Qc6 21. Qe1 Rfb8 22. Nb5 d5 23. exd5 Nxd5 24. Ba7 Ra8 25. Bf2) 19. exd5 { [%eval -0.04] } 19... Bxd5 { [%eval 0.27] } 20. Nb4 { [%eval 0.32] } 20... Bxb4 { [%eval 0.1] } 21. axb4 { [%eval 0.38] } 21... Qc6?! { [%eval 0.96] } { Inaccuracy. Bc6 was best. } (21... Bc6) 22. Bg5 { [%eval 0.77] } 22... Rd7 { [%eval 0.88] } 23. Rfe1 { [%eval 0.45] } 23... Re8?! { [%eval 1.46] } { Inaccuracy. h6 was best. } (23... h6 24. Bxf6 Qxf6 25. Rbd1 Rfd8 26. Qc5 Bxf3 27. Rxd7 Rxd7 28. Rf1 Bxg2+ 29. Kxg2 Qg6+ 30. Kh1) 24. Rbd1 { [%eval 1.67] } 24... Nh5 { [%eval 1.83] } 25. Qh4 { [%eval 1.84] } 25... g6 { [%eval 1.82] } 26. Nxd5? { [%eval 0.51] } { Mistake. Kg1 was best. } (26. Kg1 f6 27. Nxd5 fxg5 28. Qe4 Rd6 29. Nc3 Qb6+ 30. Kf1 Qxb4 31. Rxd6 Qxd6 32. Qxc4+ Qe6) 26... Rxd5 { [%eval 0.49] } 27. Rxd5 { [%eval 0.49] } 27... Qxd5 { [%eval 0.42] } 28. Qe4 { [%eval 0.32] } 28... Qxe4 { [%eval 0.19] } 29. Rxe4 { [%eval 0.28] } 29... f6 { [%eval 0.26] } 30. Be3 { [%eval 0.19] } 30... Rc8 { [%eval 0.33] } 31. g4 { [%eval 0.12] } 31... Ng7 { [%eval 0.26] } 32. g5 { [%eval -0.07] } 32... Kf7 { [%eval 0.17] } 33. gxf6 { [%eval 0.58] } 33... Kxf6 { [%eval 0.23] } 34. Bd2 { [%eval 0.52] } 34... Nf5 { [%eval 0.25] } 35. Bc3 { [%eval 0.31] } 35... Nd4 { [%eval 0.11] } 36. f4 { [%eval 0.35] } 36... Nxc2?! { [%eval 1.24] } { Inaccuracy. Nb5 was best. } (36... Nb5 37. Bxe5+) 37. Re2 { [%eval 1.21] } 37... Na1 { [%eval 1.49] } 38. Rxe5 { [%eval 1.35] } 38... Kf7 { [%eval 1.42] } 39. Ra5 { [%eval 0.99] } 39... Nc2 { [%eval 1.21] } 40. Rxa6 { [%eval 1.37] } 40... Rb8 { [%eval 1.31] } 41. Rc6? { [%eval 0.0] } { Mistake. Ra4 was best. } (41. Ra4 Ke6) 41... Nxb4 { [%eval 0.07] } 42. Rc7+ { [%eval 0.0] } 42... Ke6 { [%eval 0.0] } 43. Rxc4 { [%eval 0.0] } 43... Nd3 { [%eval 0.23] } 44. b4 { [%eval 0.22] } 44... Rf8 { [%eval 0.23] } { 1/2-1/2 The game is a draw. } 1/2-1/2