[Event "DS Challenge Team Battle"] [Site "https://lichess.org/7iWf3dTk"] [Date "2020.04.05"] [White "keethjayasinghe"] [Black "randula_gamage"] [Result "0-1"] [UTCDate "2020.04.05"] [UTCTime "14:47:06"] [WhiteElo "1987"] [BlackElo "2049"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5 { A43 Benoni Defense: Old Benoni } 2. c3?! { (0.79 → -0.05) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 exd5 6. Bxd5 a6) 2... cxd4?! { (-0.05 → 0.62) Inaccuracy. Nf6 was best. } (2... Nf6 3. Nf3 d5 4. h3 e6 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3) 3. cxd4 d5 4. Nc3 Nf6 5. Bf4 a6 6. e3 Nc6 7. Nf3 e6 8. Bd3 Bd6 9. Bg3 O-O 10. O-O b5 11. a3 Bxg3 12. hxg3 Na5 13. Ne5 Bb7 14. Rc1 Nc4 15. Qe2 Nd7 16. f4 f6 17. Nxd7 Qxd7 18. Bb1?! { (0.46 → -0.31) Inaccuracy. g4 was best. } (18. g4 e5) 18... f5?! { (-0.31 → 0.48) Inaccuracy. Rae8 was best. } (18... Rae8 19. Rcd1) 19. Rfe1 Rf6 20. Bd3 Rg6 21. Bxc4?? { (0.54 → -1.30) Blunder. Kf2 was best. } (21. Kf2 Rf8) 21... dxc4 22. Kf2 Qc6 23. Rg1?! { (-0.55 → -1.11) Inaccuracy. e4 was best. } (23. e4) 23... Rd8?! { (-1.11 → -0.14) Inaccuracy. Rh6 was best. } (23... Rh6 24. g4 fxg4 25. Qxg4 Rf8 26. Rcd1 a5 27. Ne2 Rg6 28. Qh3 b4 29. axb4 Rh6 30. Qf3) 24. Rcd1?! { (-0.14 → -1.18) Inaccuracy. b3 was best. } (24. b3 cxb3 25. Qb2 Re8 26. Qxb3 Qd7 27. a4 Bc6 28. axb5 axb5 29. Rgd1 Rb8 30. d5 exd5) 24... a5 25. d5 exd5 26. Rd4?! { (-1.82 → -3.09) Inaccuracy. Qe1 was best. } (26. Qe1) 26... b4 27. axb4 axb4 28. Na2 Qb6?! { (-3.01 → -1.78) Inaccuracy. Qc5 was best. } (28... Qc5) 29. Qd2 b3 30. Nc3 Qe6?? { (-1.92 → 0.86) Blunder. Re6 was best. } (30... Re6) 31. Ra1?? { (0.86 → -1.46) Blunder. Rxc4 was best. } (31. Rxc4 Qe7 32. Rd4 Re6 33. Re1 h5 34. Nxd5 Bxd5 35. Rxd5 Red6 36. Qb4 Qe6 37. Rd4 Rxd4) 31... Re8?? { (-1.46 → 0.23) Blunder. Qc6 was best. } (31... Qc6 32. Rd1) 32. Ra7?? { (0.23 → -1.73) Blunder. Nxd5 was best. } (32. Nxd5 h6 33. e4 c3 34. Nxc3 Bxe4 35. Nxe4 fxe4 36. Re1 Qb6 37. Qb4 Rc8 38. Qxb6 Rc2+) 32... Bc6?? { (-1.73 → 0.49) Blunder. Qb6 was best. } (32... Qb6) 33. Ra5 Rg4?! { (0.00 → 0.67) Inaccuracy. Rh6 was best. } (33... Rh6 34. Nxd5 Rh1 35. Nb4 Bxg2 36. Re5 Bc6 37. Rxe6 Rh2+ 38. Kf1 Rh1+ 39. Kf2) 34. Qe2?? { (0.67 → -1.40) Blunder. Nxd5 was best. } (34. Nxd5 Qh6 35. Rxc4 Qg6 36. e4 Rxg3 37. Kg1 Bxd5 38. Qxd5+ Kh8 39. e5 h6 40. Rac5 Re3) 34... Qg6?! { (-1.40 → -0.77) Inaccuracy. h5 was best. } (34... h5 35. Nxd5) 35. Qf3 h5 36. Nxd5 Bxd5?? { (-0.24 → 2.82) Blunder. c3 was best. } (36... c3 37. bxc3) 37. Raxd5? { (2.82 → 1.26) Mistake. Qxd5+ was best. } (37. Qxd5+) 37... Qa6?? { (1.26 → 5.15) Blunder. Kh7 was best. } (37... Kh7 38. Rd6) 38. Rxf5 c3? { (4.76 → 10.03) Mistake. Qa8 was best. } (38... Qa8 39. Rxc4) 39. Rxh5?? { (10.03 → 0.00) Blunder. Qd5+ was best. } (39. Qd5+) 39... cxb2?? { (0.00 → 2.14) Blunder. c2 was best. } (39... c2 40. Qd5+ Qe6 41. Qxe6+ Rxe6 42. Rc5 Rgg6 43. Rc8+ Kf7 44. f5 Rgf6 45. g4 Re8 46. Rd7+) 40. Rd1 Qa2?? { (2.21 → Mate in 3) Checkmate is now unavoidable. Rg6 was best. } (40... Rg6 41. Qd5+) 41. Qxg4?? { (Mate in 3 → -2.96) Lost forced checkmate sequence. Qd5+ was best. } (41. Qd5+ Kf8 42. Rf5+ Ke7 43. Rf7#) 41... b1=Q+ 42. Kf3?? { (-3.14 → Mate in 1) Checkmate is now unavoidable. Kg1 was best. } (42. Kg1) 42... Qxd1# { Black wins by checkmate. } 0-1