[Event "Keres Memorial"] [Site "Tallinn"] [Date "1983.??.??"] [Round "15"] [White "Petrosian, Tigran V"] [Black "Nei, Iivo"] [Result "1-0"] [GameId "0CHjXNCm"] [WhiteElo "2605"] [BlackElo "2495"] [Variant "Standard"] [TimeControl "-"] [ECO "E51"] [Opening "Nimzo-Indian Defense: Ragozin Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. c4 { [%eval 0.23] } 1... e6 { [%eval 0.3] } 2. d4 { [%eval 0.23] } 2... Nf6 { [%eval 0.23] } 3. Nc3 { [%eval 0.05] } 3... Bb4 { [%eval 0.25] } 4. e3 { [%eval 0.0] } 4... Nc6?! { (0.00 → 0.71) Inaccuracy. O-O was best. } { [%eval 0.71] } (4... O-O 5. Bd2 b6 6. Bd3 d5 7. cxd5 exd5 8. Nf3 Bd6 9. O-O) 5. Nf3 { [%eval 0.28] } 5... O-O { [%eval 0.45] } 6. Bd3 { [%eval 0.25] } 6... d5 { [%eval 0.55] } 7. O-O { [%eval 0.45] } 7... dxc4 { [%eval 0.5] } { E51 Nimzo-Indian Defense: Ragozin Variation } 8. Bxc4 { [%eval 0.49] } 8... Bd6 { [%eval 0.49] } 9. Bb5 { [%eval 0.26] } 9... Qe7?! { (0.26 → 1.34) Inaccuracy. e5 was best. } { [%eval 1.34] } (9... e5 10. Bxc6 exd4 11. exd4 bxc6 12. Bg5 h6 13. Bh4 g5 14. Bg3 Bg4 15. h3 Bh5 16. h4) 10. Bxc6 { [%eval 0.86] } 10... bxc6 { [%eval 0.9] } 11. e4 { [%eval 1.0] } 11... e5 { [%eval 1.21] } 12. dxe5 { [%eval 1.25] } 12... Bxe5 { [%eval 1.2] } 13. Nxe5 { [%eval 1.34] } 13... Qxe5 { [%eval 1.29] } 14. Qf3 { [%eval 1.25] } 14... Re8 { [%eval 1.15] } 15. Bf4 { [%eval 1.14] } 15... Qe6 { [%eval 1.32] } 16. Rfe1 { [%eval 1.39] } 16... Rb8 { [%eval 1.55] } 17. Qe2 { [%eval 1.52] } 17... Rb4 { [%eval 1.84] } 18. f3 { [%eval 1.77] } 18... c5 { [%eval 1.96] } 19. Bxc7 { [%eval 2.02] } 19... Ba6 { [%eval 2.37] } 20. Qf2 { [%eval 2.24] } 20... Rd4 { [%eval 2.68] } 21. Ba5 { [%eval 2.19] } 21... Rb8 { [%eval 2.64] } 22. Nd1 { [%eval 2.72] } 22... Rd3 { [%eval 2.48] } 23. Bc3 { [%eval 2.5] } 23... Qb6 { [%eval 2.73] } 24. Qg3 { [%eval 2.8] } 24... Ne8?! { (2.80 → 3.67) Inaccuracy. Nh5 was best. } { [%eval 3.67] } (24... Nh5 25. Qe5 Nf6 26. Nf2 Rd7 27. Ng4 Ne8 28. Nh6+ Kh8 29. Qf5 Rbb7 30. Ng4 Rd8 31. a4) 25. Ne3 { [%eval 3.64] } 25... Rbd8 { [%eval 4.39] } 26. Nf5 { [%eval 4.47] } 26... g6 { [%eval 4.58] } 27. Ne7+ { [%eval 4.84] } 27... Kf8 { [%eval 4.7] } 28. Nd5 { [%eval 4.67] } 28... Qd6 { [%eval 4.46] } 29. Qxd6+ { [%eval 4.52] } { White wins. } 1-0