[Event "Zurich ct"] [Site "Zurich"] [Date "1953.??.??"] [Round "6"] [White "Najdorf, Miguel"] [Black "Petrosian, Tigran V"] [Result "1-0"] [Annotator "carev"] [Variant "Standard"] [ECO "E62"] [Opening "King's Indian Defense: Fianchetto Variation, Simagin Variation"] [Source "https://lichess.org/study/b32s5Ih0/P0vscfif"] [Orientation "white"] { [%evp 0,65,23,23,23,14,31,29,32,22,10,17,20,27,26,30,15,34,37,37,43,-41,-24, -24,-11,-15,3,10,34,32,54,23,28,38,24,8,11,43,70,31,53,34,52,58,74,67,145,145, 132,138,136,130,152,143,161,152,152,155,184,173,269,243,237,264,288,289,280, 280] } 1. d4 { [%eval 0.0] } 1... Nf6 { [%eval 0.23] } 2. c4 { [%eval 0.34] } 2... d6 { [%eval 0.51] } 3. Nf3 { [%eval 0.7] } 3... g6 { [%eval 0.33] } 4. g3 { [%eval 0.46] } 4... Bg7 { [%eval 0.45] } 5. Bg2 { [%eval 0.29] } 5... O-O { [%eval 0.43] } 6. O-O { [%eval 0.36] } 6... Nc6 { [%eval 0.49] } 7. Nc3 { [%eval 0.32] } 7... Bg4 { [%eval 0.87] } 8. h3 { [%eval 0.72] } 8... Bxf3 { [%eval 0.75] } 9. Bxf3 { [%eval 0.75] } 9... Nd7 { [%eval 0.75] } 10. Bg2 { [%eval 0.31] } 10... Nxd4 { [%eval 0.19] } 11. Bxb7 { [%eval 0.47] } 11... Rb8 { [%eval 0.5] } 12. Bg2 { [%eval 0.35] } 12... c5 { [%eval 0.78] } 13. e3 { [%eval 0.81] } 13... Ne6 { [%eval 0.72] } 14. Qc2 { [%eval 0.9] } 14... a5 { [%eval 1.26] } 15. Bd2 { [%eval 1.34] } 15... Ne5 { [%eval 1.32] } 16. b3 { [%eval 1.36] } 16... Qd7 { [%eval 1.47] } 17. Kh2 { [%eval 1.34] } 17... Nc6 { [%eval 1.27] } 18. Rad1 { [%eval 1.46] } 18... Ned8 { [%eval 1.78] } 19. Be1 { [%eval 1.53] } 19... Kh8 { [%eval 2.02] } 20. Na4 { [%eval 1.72] } 20... Qc8 { [%eval 2.08] } 21. Bc3?! { [%eval 1.29] } { Inaccuracy. f4 was best. } (21. f4 f5 22. Nc3 Qd7 23. Nb5 Bf6 24. Qe2 Rg8 25. Nc3 Nf7 26. g4 g5 27. Nd5 Bg7) 21... Bxc3 { [%eval 1.27] } 22. Nxc3 { [%eval 1.5] } 22... Qf5?! { [%eval 2.31] } { Inaccuracy. Qe6 was best. } (22... Qe6 23. f4 f5 24. Nb5 Qf6 25. a3 Rc8 26. Bd5 Qg7 27. Rg1 Rb8 28. Rg2 Rb6 29. Qd2) 23. Qxf5 { [%eval 2.16] } 23... gxf5 { [%eval 2.24] } 24. Rd5 { [%eval 3.06] } 24... Ne6 { [%eval 2.83] } 25. Rxf5 { [%eval 2.66] } 25... Nb4 { [%eval 3.29] } 26. Rh5 { [%eval 2.9] } 26... Ng7 { [%eval 2.99] } 27. Rh4 { [%eval 2.89] } 27... Nf5 { [%eval 2.63] } 28. Rf4 { [%eval 3.2] } 28... e6 { [%eval 2.97] } 29. Rd1 { [%eval 3.14] } 29... Rb6? { [%eval 6.08] } { Mistake. Ne7 was best. } (29... Ne7 30. Rxd6 Ng6 31. Rg4 Rbd8 32. Rxd8 Rxd8 33. Rg5 Rd2 34. Rxc5 Rxf2 35. Rxa5 Kg7 36. Kg1) 30. Na4 { [%eval 5.43] } 30... Rbb8 { [%eval 5.95] } 31. Be4 { [%eval 6.28] } 31... Ng7 { [%eval 6.23] } 32. Rxd6 { [%eval 5.14] } 32... Nxa2 { [%eval 6.38] } 33. Nxc5 { [%eval 6.62] } { 1-0 White wins. } 1-0