[Event "Opperwezen Roundabout"] [Site "https://lichess.org/ZaNFZous"] [Date "2018.04.28"] [White "JseMartinez"] [Black "Marchan"] [Result "1-0"] [UTCDate "2018.04.28"] [UTCTime "09:47:08"] [WhiteElo "2694"] [BlackElo "2533"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-9"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "30+0"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. g3 c5 4. Bg2 cxd4 5. O-O d5 6. Nxd4 Be7 7. Nb3?! { (0.50 → -0.17) Inaccuracy. c4 was best. } (7. c4 Nc6 8. cxd5 exd5 9. Nc3 O-O 10. Be3 Be6 11. Qb3 Na5) 7... O-O 8. N1d2 Nc6 9. c4 dxc4?! { (-0.30 → 0.28) Inaccuracy. d4 was best. } (9... d4 10. Ne4 e5 11. e3 Bf5 12. Nxf6+ Bxf6 13. exd4 exd4 14. Nc5 Qe7 15. Nd3 Rfe8 16. Nf4) 10. Nxc4 Qxd1 11. Rxd1 Nb4 12. Bf4 Nbd5 13. Bd6 Bxd6 14. Nxd6 Rb8 15. e4 Nb4 16. e5 Nfd5 17. a3 Nc6 18. f4 Rd8 19. Rac1 Nc7?? { (1.07 → 4.10) Blunder. Ne3 was best. } (19... Ne3 20. Rd2) 20. Nc5? { (4.10 → 2.05) Mistake. Bxc6 was best. } (20. Bxc6 bxc6 21. Na5 Bd7 22. Ndb7 Nd5 23. Nxd8 Rxd8 24. Nxc6 Bxc6 25. Rxc6 Kf8 26. b4 Rb8) 20... Ne8? { (2.05 → 3.50) Mistake. Nd5 was best. } (20... Nd5 21. Bxd5 exd5 22. Rxd5 Ne7 23. Rd2 Bg4 24. Rdc2 b6 25. Na6 Ra8 26. Nc7 Rab8 27. Ncb5) 21. b4?! { (3.50 → 2.53) Inaccuracy. Nb5 was best. } (21. Nb5 Rxd1+ 22. Rxd1 h6 23. Bxc6 bxc6 24. Nxa7 Bb7 25. Rd7 Ba8 26. b4 g5 27. fxg5 hxg5) 21... Ne7 22. Ncxb7 Bxb7 23. Nxb7 Rxd1+ 24. Rxd1 Kf8 25. Nc5 Rc8 26. Bb7 Rc7 27. Ba6?! { (2.98 → 1.94) Inaccuracy. Kf2 was best. } (27. Kf2) 27... g6? { (1.94 → 3.70) Mistake. Nd5 was best. } (27... Nd5 28. Kf2 Ke7 29. Kf3 Nb6 30. Rc1 g6 31. h3 Ng7 32. g4 Ne8 33. Rc2 Ng7 34. Kg3) 28. Rd8 h5?! { (3.28 → 4.19) Inaccuracy. Nc6 was best. } (28... Nc6 29. Ra8) 29. Bb5? { (4.19 → 2.42) Mistake. Nd7+ was best. } (29. Nd7+ Kg7 30. Nc5 Kf8 31. Ra8 h4 32. Bb5 Rc8 33. Rxa7 hxg3 34. hxg3 Nc6 35. Bxc6 Rxc6) 29... Nc6?? { (2.42 → 6.58) Blunder. Rc8 was best. } (29... Rc8 30. Rxc8 Nxc8 31. Bd3 Nb6 32. a4 Ke7 33. a5 Nd7 34. Nxd7 Kxd7 35. b5 Ng7 36. Kf2) 30. Bxc6? { (6.58 → 3.35) Mistake. Ra8 was best. } (30. Ra8 Kg7 31. Bxc6 Rxc6 32. Rxe8 a5 33. Kf2 axb4 34. axb4 Rb6 35. Nd3 Rb7 36. Rd8 Kh7) 30... Rxc6 31. Rd7?! { (3.34 → 2.32) Inaccuracy. Ra8 was best. } (31. Ra8 Rc7 32. Kf2 Ke7 33. a4 f6 34. Kf3 fxe5 35. fxe5 Ng7 36. Rg8 Nf5 37. Rxg6 Rc6) 31... a6 32. Ra7 Nc7 33. Rb7 Kg7 34. Rb8? { (2.60 → 1.33) Mistake. Kf2 was best. } (34. Kf2 Kf8 35. Ke3 Ke8 36. Kd3 Kd8 37. Rb8+ Ke7 38. Kc4 Nd5 39. a4 Rc7 40. Kd4 h4) 34... Nb5 35. Nd7? { (1.67 → 0.00) Mistake. a4 was best. } (35. a4 Nc3) 35... Nxa3? { (0.00 → 1.18) Mistake. Rc2 was best. } (35... Rc2 36. Nc5 Nd4 37. Nxa6 Nf3+ 38. Kf1 Rd2 39. Nc5 Nxh2+ 40. Ke1 Nf3+ 41. Kf1 Nh2+) 36. Nf6 Rc1+ 37. Kf2 g5?? { (0.95 → Mate in 2) Checkmate is now unavoidable. Nb5 was best. } (37... Nb5) 38. fxg5?? { (Mate in 2 → 0.11) Lost forced checkmate sequence. Rg8+ was best. } (38. Rg8+ Kh6 39. fxg5#) 38... Kg6 39. g4 { White wins on time. } 1-0