[Event "MASTHANAIAH CHESS WORLD 353"] [Site "https://lichess.org/aQQzCDbT"] [Date "2020.09.03"] [White "Supertuv"] [Black "Sedmi_Sekretar"] [Result "1-0"] [UTCDate "2020.09.03"] [UTCTime "13:30:00"] [WhiteElo "1497"] [BlackElo "1898"] [WhiteRatingDiff "+95"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "900+2"] [ECO "A06"] [Opening "Zukertort Opening: Old Indian Attack"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. Nf3 d5 2. d3 { A06 Zukertort Opening: Old Indian Attack } Nf6 3. g3 Bg4?! { (-0.25 → 0.43) Inaccuracy. c5 was best. } (3... c5 4. c4 d4 5. e4 Bg4 6. Bg2 e5 7. h3 Bxf3 8. Qxf3) 4. Bg2 e6 5. O-O Bd6 6. Nc3?! { (0.78 → 0.04) Inaccuracy. c4 was best. } (6. c4 O-O 7. cxd5 exd5 8. Nc3 c6 9. h3 Bxf3 10. exf3 Qb6) 6... O-O 7. e4 d4 8. Ne2 e5 9. c3 c5 10. Qb3?! { (0.02 → -1.00) Inaccuracy. Nh4 was best. } (10. Nh4 Nc6) 10... b6?? { (-1.00 → 0.83) Blunder. Qd7 was best. } (10... Qd7) 11. Re1?? { (0.83 → -0.83) Blunder. cxd4 was best. } (11. cxd4 cxd4 12. Nexd4 exd4 13. e5 Be6 14. Qd1 Be7 15. exf6 Bxf6 16. Ng5 Bd5 17. Nxh7 Bxg2) 11... Nbd7?! { (-0.83 → 0.00) Inaccuracy. Nc6 was best. } (11... Nc6 12. h3 Be6 13. Qa4 Bd7 14. Nh4 Re8 15. g4 Bf8 16. Nf5 Rc8 17. Neg3 Be6 18. g5) 12. Nh4 h6 13. f4?? { (0.16 → -1.55) Blunder. h3 was best. } (13. h3) 13... Rb8? { (-1.55 → -0.10) Mistake. c4 was best. } (13... c4 14. Qxc4 Rc8 15. Qb3 dxc3 16. bxc3 Bxe2 17. Rxe2 Nc5 18. Qc2 Nxd3 19. Rd2 Nxc1 20. Rxc1) 14. f5? { (-0.10 → -1.21) Mistake. cxd4 was best. } (14. cxd4 cxd4) 14... Bxe2 15. Rxe2 Be7?! { (-0.77 → 0.13) Inaccuracy. b5 was best. } (15... b5 16. Qa3 a5 17. c4 bxc4 18. dxc4 Qb6 19. Qd3 Qa6 20. Nf3 a4 21. Rc2 Rb4 22. Qe2) 16. c4 Ng4 17. Nf3 h5?! { (0.19 → 1.06) Inaccuracy. Ngf6 was best. } (17... Ngf6 18. Bd2) 18. h3 Ngf6 19. Bd2 Nh7 20. Qa4 a5 21. a3 Ra8 22. Qb5?! { (0.96 → 0.40) Inaccuracy. Kh2 was best. } (22. Kh2 Nhf6) 22... Ra7 23. Ree1?! { (0.72 → 0.00) Inaccuracy. Qa4 was best. } (23. Qa4 Qc7) 23... h4 24. g4 Ng5 25. b4?? { (0.00 → -2.59) Blunder. Nh2 was best. } (25. Nh2 Nh7 26. Reb1 Bg5 27. Be1 Bf4 28. Nf3 Bg3 29. Bd2 Bf4) 25... Nxf3+ 26. Bxf3 axb4?? { (-2.45 → 0.00) Blunder. Bg5 was best. } (26... Bg5 27. Bxg5) 27. axb4 Rxa1 28. Rxa1 Qc7 29. Ra6?! { (0.00 → -1.07) Inaccuracy. bxc5 was best. } (29. bxc5 Nxc5 30. Be2 Qd8 31. Rb1 Bg5 32. Be1 Qa8 33. Qxb6 Na4 34. Qb4 Nc3 35. Bxc3 dxc3) 29... Rb8?! { (-1.07 → 0.02) Inaccuracy. cxb4 was best. } (29... cxb4 30. Bxb4 Bxb4 31. Qxb4 Nc5 32. Ra3 Qd6 33. Kg2 Qh6 34. Qe1 Qf4 35. Be2 Qe3 36. Qf2) 30. Bd1 Rb7?? { (-0.50 → 1.38) Blunder. cxb4 was best. } (30... cxb4 31. Ra2) 31. Ba4?? { (1.38 → -0.97) Blunder. Ra8+ was best. } (31. Ra8+ Nf8) 31... Nf6?? { (-0.97 → 4.09) Blunder. Qb8 was best. } (31... Qb8) 32. Qc6?! { (4.09 → 2.91) Inaccuracy. g5 was best. } (32. g5 Nd7) 32... Qxc6 33. Bxc6 Rb8 34. bxc5?! { (3.43 → 2.25) Inaccuracy. Ra7 was best. } (34. Ra7) 34... bxc5 35. g5 Nh5?! { (2.11 → 2.89) Inaccuracy. Nh7 was best. } (35... Nh7 36. g6 fxg6 37. fxg6 Ng5 38. Kg2 Kf8 39. Bb5 Rc8 40. Be1 Bf6 41. Ra7 Ne6 42. Bd2) 36. g6?! { (2.89 → 1.93) Inaccuracy. Bd5 was best. } (36. Bd5 Kf8) 36... Rb1+?? { (1.93 → 4.16) Blunder. Kf8 was best. } (36... Kf8 37. Bb5 Bd8 38. Kf2 Ng3 39. Ra7 fxg6 40. fxg6 Bb6 41. Ra6 Bd8 42. Re6 Bf6 43. Ba5) 37. Kf2 Rb2?? { (3.76 → Mate in 8) Checkmate is now unavoidable. Rb8 was best. } (37... Rb8 38. Bd5) 38. gxf7+?? { (Mate in 8 → 0.16) Lost forced checkmate sequence. Ra8+ was best. } (38. Ra8+ Bf8 39. Bd5 Rb7 40. Bxb7 Nf6 41. Bd5 Nxd5 42. cxd5 f6 43. Kf3 c4 44. Bb4 cxd3) 38... Kxf7 39. Bd5+ Ke8 40. Ra8+ Kd7 41. Be6+ Kd6 42. Ra6+ Kc7 43. Ra7+?? { (0.10 → -3.57) Blunder. Ke1 was best. } (43. Ke1) 43... Kd8?? { (-3.57 → 3.01) Blunder. Kb6 was best. } (43... Kb6) 44. Ke1 Nf4?? { (2.42 → Mate in 15) Checkmate is now unavoidable. Rb1+ was best. } (44... Rb1+ 45. Ke2 Nf4+ 46. Bxf4 exf4 47. Ra8+ Kc7 48. e5 Rg1 49. Rc8+ Kb7 50. Re8 Bg5 51. Bd5+) 45. Ba5+ Ke8 46. Ra8+ Bd8 47. Rxd8+?? { (Mate in 13 → 6.02) Lost forced checkmate sequence. Bxd8 was best. } (47. Bxd8 Nxd3+ 48. Kf1 Rf2+ 49. Kg1 Ra2 50. Rc8 Ra1+ 51. Kg2 Nf4+ 52. Kf2 Ra2+ 53. Kf3 Ra3+) 47... Ke7 48. Rd7+ Kf8 49. Rf7+ { White wins on time. } 1-0