[Event "Leon 23rd"] [Site "Leon"] [Date "2010.06.04"] [Round "1.4"] [White "Gelfand, Boris"] [Black "Vallejo Pons, Francisco"] [Result "1/2-1/2"] [WhiteElo "2741"] [BlackElo "2703"] [Variant "Standard"] [TimeControl "-"] [ECO "E43"] [Opening "Nimzo-Indian Defense: St. Petersburg Variation, with Ne4"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 { E43 Nimzo-Indian Defense: St. Petersburg Variation, with Ne4 } 7. O-O Bxc3?! { (0.22 → 0.78) Inaccuracy. f5 was best. } (7... f5 8. Ne2 Bd6 9. a3 a5 10. Nd2 O-O 11. f3 Nxd2 12. Bxd2) 8. bxc3 O-O 9. Ne1 f5 10. f3 Ng5 11. Qe2?! { (0.81 → 0.23) Inaccuracy. c5 was best. } (11. c5 bxc5) 11... Qf6?! { (0.23 → 0.78) Inaccuracy. c5 was best. } (11... c5 12. Bc2) 12. Nc2?! { (0.78 → 0.08) Inaccuracy. c5 was best. } (12. c5 bxc5) 12... d6 13. a4 Nc6 14. Ba3 Qg6 15. f4?! { (0.38 → -0.17) Inaccuracy. h4 was best. } (15. h4 Nf7 16. e4 Qh5 17. c5 dxc5 18. dxc5 Rfe8 19. Qf2 Rad8 20. Bb5 a6 21. Bxc6 Bxc6) 15... Ne4 16. Bxe4 fxe4 17. c5 Rfd8 18. cxd6 cxd6 19. d5 exd5 20. Nd4 Nxd4?! { (-0.58 → 0.14) Inaccuracy. Na5 was best. } (20... Na5 21. f5) 21. cxd4 a5 22. Qb5 Qf7 23. Qxb6 Ba6 24. Rfc1 Bc4 25. Bxd6 Qe6 26. Bc7 Qxb6 27. Bxb6 Rdb8 28. Bc7 Rb3 29. Re1 Ra7 30. Be5 Rab7 31. f5 Rb2 32. h3 h5 33. Kh2 Rf7 34. Rab1 Ra2 35. Ra1 Rf2 36. Bg3 Rc2 37. Rac1 Ra2 38. Ra1 Rc2 39. Rac1 Ra2 { The game is a draw. } 1/2-1/2