[Event "7th International Rapid Chess Team Battle"] [Site "https://lichess.org/w776i6Yo"] [Date "2021.06.19"] [White "ShajiLonappan"] [Black "SAIALAGAPPAN"] [Result "1-0"] [UTCDate "2021.06.19"] [UTCTime "13:35:34"] [WhiteElo "2050"] [BlackElo "2118"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-36"] [Variant "Standard"] [TimeControl "420+3"] [ECO "E43"] [Opening "Nimzo-Indian Defense: St. Petersburg Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 { E43 Nimzo-Indian Defense: St. Petersburg Variation } 8. a3 Bxc3 9. bxc3 Ne4 10. Qc2 f5 11. Rb1 cxd4?? { (-0.46 → 1.29) Blunder. Nc6 was best. } (11... Nc6 12. Nd2) 12. cxd4 d6 13. a4 a6? { (1.15 → 2.96) Mistake. Nc6 was best. } (13... Nc6) 14. Ba3 Qc7?! { (2.84 → 3.77) Inaccuracy. Nd7 was best. } (14... Nd7 15. Nd2 Ndf6 16. f3 Nxd2 17. Qxd2 b5 18. Rfc1 bxc4 19. Bxc4 Bd5 20. Bd3 a5 21. Qe1) 15. Rfc1?! { (3.77 → 2.86) Inaccuracy. Qb3 was best. } (15. Qb3 Rc8 16. Qxb6 Qxb6 17. Rxb6 Bc6 18. d5 exd5 19. Nd4 g6 20. a5 Be8 21. Bxe4 dxe4) 15... Nd7 16. Qb3 Kh8?? { (1.86 → 4.17) Blunder. a5 was best. } (16... a5) 17. c5?? { (4.17 → 1.04) Blunder. a5 was best. } (17. a5 Qd8 18. axb6 Rc8 19. Bxe4 fxe4 20. Nd2 Qf6 21. Rf1 Rc6 22. Bb4 a5 23. Bxa5 Qg6) 17... Bd5 18. Qb2?? { (1.30 → -0.79) Blunder. Bc4 was best. } (18. Bc4) 18... dxc5?! { (-0.79 → -0.05) Inaccuracy. bxc5 was best. } (18... bxc5 19. dxc5 Nexc5 20. Qd4 Qc6 21. Be2 Rab8 22. a5 Rxb1 23. Rxb1 h6 24. Ne1 Kh7 25. f3) 19. dxc5 bxc5 20. h3?! { (-0.23 → -0.96) Inaccuracy. Qe2 was best. } (20. Qe2) 20... Rab8 21. Qa1 Rxb1 22. Rxb1 Rc8?! { (-0.42 → 0.31) Inaccuracy. h6 was best. } (22... h6 23. Bb2) 23. Bxa6 Ra8 24. Bb5 Ndf6 25. Qe5?! { (0.78 → 0.16) Inaccuracy. Bb2 was best. } (25. Bb2 Nd6) 25... Qf7? { (0.16 → 1.43) Mistake. Qxe5 was best. } (25... Qxe5 26. Nxe5 Nc3 27. Rb2 Nxa4 28. Bxa4 h5 29. Bxc5 Rxa4 30. Bd4 Kh7 31. Nd3 Ra1+ 32. Kh2) 26. Rc1 c4?! { (1.56 → 2.51) Inaccuracy. Qa7 was best. } (26... Qa7 27. Qb2 Nd7 28. Ne5 Nb6 29. f3 Nxa4 30. Bxa4 Nf6 31. Bxc5 Qxa4 32. Bd4 Ne8 33. Qf2) 27. Bb2?! { (2.51 → 1.73) Inaccuracy. Bxc4 was best. } (27. Bxc4 Bxc4 28. Rxc4 h6 29. Bb2 Qb7 30. Qb5 Qa6 31. Qxa6 Rxa6 32. Nd4 Nd2 33. Rc2 Nde4) 27... Nd7?? { (1.73 → 4.52) Blunder. Rc8 was best. } (27... Rc8 28. Ba3) 28. Bxd7?? { (4.52 → 0.55) Blunder. Qc7 was best. } (28. Qc7 Nec5 29. Bxc4 Bxf3 30. gxf3 f4 31. Bd4 Nxa4 32. e4 Rb8 33. Qc6 Nab6 34. Bxe6 Qe7) 28... Qxd7 29. Nd4?? { (0.57 → -2.42) Blunder. Ra1 was best. } (29. Ra1 h6) 29... h6?? { (-2.42 → 0.08) Blunder. Nc5 was best. } (29... Nc5 30. Rxc4 Nd3 31. Qc7 Qxc7 32. Rxc7 Nxb2 33. Re7 g6 34. Nxe6 Bxe6 35. Rxe6 Rxa4 36. Rd6) 30. Ra1?? { (0.08 → -2.36) Blunder. Ne2 was best. } (30. Ne2 Rxa4 31. f3 Nf6 32. Nf4 Kh7 33. h4 Ra6 34. Bc3 Qd6 35. Qxd6 Rxd6 36. Ra1 g5) 30... c3 31. Bc1 Qf7?? { (-2.66 → -0.06) Blunder. Nc5 was best. } (31... Nc5 32. Nc2) 32. a5?! { (-0.06 → -0.75) Inaccuracy. Ra3 was best. } (32. Ra3) 32... Qg6?! { (-0.75 → 0.09) Inaccuracy. Nc5 was best. } (32... Nc5 33. Ne2) 33. f3 Nd2 34. Bxd2 cxd2 35. Rd1 Rxa5 36. Rxd2 Kh7 37. Kf2? { (0.10 → -1.19) Mistake. Nc6 was best. } (37. Nc6 Ra3 38. Ne7 Qf6 39. Qxf6 gxf6 40. Nxd5 exd5 41. Rxd5 Kg6 42. Kf2 h5 43. h4 Ra4) 37... Ra1?? { (-1.19 → 5.52) Blunder. Bxf3 was best. } (37... Bxf3 38. Qg3 Qxg3+ 39. Kxg3 Bd5 40. Kf2 g5 41. g4 f4 42. exf4 gxf4 43. Re2 Ra6 44. Nxe6) 38. Qg3?? { (5.52 → -4.79) Blunder. Nxe6 was best. } (38. Nxe6 Qxe6) 38... Qe8?? { (-4.79 → 0.00) Blunder. Rf1+ was best. } (38... Rf1+ 39. Kxf1 Qxg3 40. Ne2 Qc7 41. Kf2 g5 42. f4 Qc5 43. Nd4 gxf4 44. exf4 Qc1 45. Nf3) 39. Qe5 Qc8?? { (0.00 → 5.37) Blunder. Bc4 was best. } (39... Bc4 40. Rc2 Qe7 41. Kg3 Rh1 42. Rxc4 Qg5+ 43. Kf2 Qh4+ 44. Ke2 Qe1+ 45. Kd3 Qd1+ 46. Kc3) 40. Nxf5?? { (5.37 → 0.87) Blunder. Nxe6 was best. } (40. Nxe6 Bxe6) 40... exf5?? { (0.87 → 5.49) Blunder. Rf1+ was best. } (40... Rf1+) 41. Qxd5?? { (5.49 → 0.67) Blunder. Qxa1 was best. } (41. Qxa1) 41... Qc1?? { (0.67 → Mate in 3) Checkmate is now unavoidable. Rc1 was best. } (41... Rc1 42. g4 Rc2 43. Qd3 Rxd2+ 44. Qxd2 Qb8 45. Kg2 Qb1 46. Qc3 Qa2+ 47. Kg3 fxg4 48. Qd3+) 42. Qxf5+ Kg8 43. Rd8# { White wins by checkmate. } 1-0