[Event "Großer Deutscher Oster Team Battle"] [Site "https://lichess.org/JnIlwG2p"] [Date "2021.04.05"] [White "Schachstratege"] [Black "Waltemar"] [Result "1-0"] [UTCDate "2021.04.05"] [UTCTime "19:22:06"] [WhiteElo "2417"] [BlackElo "2475"] [WhiteRatingDiff "+18"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "300+5"] [ECO "D87"] [Opening "Grünfeld Defense: Exchange Variation, Spassky Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 O-O { D87 Grünfeld Defense: Exchange Variation, Spassky Variation } 9. O-O Nc6 10. Be3 Na5 11. Bd3 b6 12. Qd2 e5 13. d5?! { (0.40 → -0.30) Inaccuracy. Bg5 was best. } (13. Bg5 Qd7) 13... Nb7?! { (-0.30 → 0.43) Inaccuracy. f5 was best. } (13... f5 14. Bg5 Qd6 15. f3 c4 16. Bc2 f4 17. Kh1 Kh8 18. Ba4 Bf6 19. Bxf6+ Qxf6 20. Rad1) 14. c4 Nd6 15. Nc3 f5 16. f3 f4 17. Bf2 g5 18. a4 h5?! { (0.07 → 0.75) Inaccuracy. a5 was best. } (18... a5) 19. Nb5?! { (0.75 → -0.16) Inaccuracy. a5 was best. } (19. a5 Rb8) 19... g4 20. Nxd6 Qxd6 21. Kh1? { (0.36 → -0.91) Mistake. a5 was best. } (21. a5 gxf3 22. Bh4 fxg2 23. Qxg2 Kh8 24. axb6 Qxb6 25. Kh1 Qh6 26. Bg5 Qg6 27. Be2 Bg4) 21... Bh6? { (-0.91 → 0.51) Mistake. a5 was best. } (21... a5 22. Rab1) 22. a5 g3 23. Bg1 gxh2 24. Bf2 Bd7 25. Bh4 Kh7 26. Kxh2 Rg8 27. axb6 axb6 28. Qb2?! { (0.97 → 0.31) Inaccuracy. Rxa8 was best. } (28. Rxa8 Rxa8) 28... Rab8 29. Ra7 Rg7 30. Rb1 Qg6?? { (0.22 → 2.40) Blunder. Bg5 was best. } (30... Bg5 31. Bxg5 Rxg5 32. Rh1 Rbg8 33. Bf1 h4 34. Kg1 Rh5 35. Rb7 Rb8 36. Rxb8 Qxb8 37. Kf2) 31. Bf1? { (2.40 → 1.08) Mistake. Rxd7 was best. } (31. Rxd7 Rxd7) 31... Bg5?? { (1.08 → 6.30) Blunder. Qd6 was best. } (31... Qd6 32. Ra6 Rg6 33. Bd3 Bf8 34. Ra7 Rg7 35. Bf1 Kh8 36. Rba1 Be7 37. Bxe7 Qxe7 38. Rc7) 32. Qf2?? { (6.30 → 0.00) Blunder. Qxe5 was best. } (32. Qxe5 Bxh4) 32... Rbg8?? { (0.00 → 1.74) Blunder. Bxh4 was best. } (32... Bxh4 33. Qxh4 Qg3+ 34. Qxg3 fxg3+ 35. Kg1 Kh6 36. Ra6 Rg6 37. Ra7) 33. Bxg5 Qxg5 34. Rxb6 h4 35. Rbb7 Qd8?? { (1.69 → 3.78) Blunder. Rd8 was best. } (35... Rd8 36. Rb6) 36. Qxc5?? { (3.78 → 0.00) Blunder. Kh1 was best. } (36. Kh1 h3 37. gxh3 Rf7 38. Qxc5 Rg3 39. Qb6 Qxb6 40. Rxb6 Rfg7 41. Rb1 Rxf3 42. c5 Rc3) 36... h3 37. Qf2 hxg2 38. Bxg2?? { (0.00 → -2.80) Blunder. Rxd7 was best. } (38. Rxd7 g1=Q+ 39. Qxg1 Rxd7 40. Rxd7+ Qxd7 41. Qf2 Rg6 42. Bh3 Rh6 43. Qg2 Qa7 44. Qg5 Qf2+) 38... Kh8?? { (-2.80 → 6.07) Blunder. Rxg2+ was best. } (38... Rxg2+) 39. Bh3 Bxh3 40. Rxg7 Rxg7 41. Rxg7 Kxg7 42. Kxh3?! { (6.31 → 4.24) Inaccuracy. Qg1+ was best. } (42. Qg1+) 42... Qc8+ 43. Kg2?! { (5.35 → 3.94) Inaccuracy. Kh2 was best. } (43. Kh2 Qxc4 44. Qg2+ Kf7 45. Qg4 Qf1 46. Qh5+ Kf8 47. Qf5+ Kg8 48. Qh3 Qd1 49. Qg2+ Kf8) 43... Qxc4 44. Qd2 Kf7 45. Kh3?? { (3.99 → 0.68) Blunder. Kh2 was best. } (45. Kh2 Qa6 46. Qg2 Qf6 47. Qg4 Qh6+ 48. Qh3 Qg5 49. Qf5+ Qxf5 50. exf5 Ke7 51. Kg2 Ke8) 45... Qf1+?? { (0.68 → 5.82) Blunder. Qc8+ was best. } (45... Qc8+ 46. Kh2 Qd8 47. Kg1 Qb6+ 48. Qf2 Qg6+ 49. Qg2 Qh6 50. Qg4 Ke7 51. Qc8 Qb6+ 52. Kg2) 46. Qg2 Qb5 47. Kh4 Qc5 48. Kh5 Qd6 49. Qg5 Qb8 50. Qg6+ Kf8 51. Qf6+ Kg8 52. Kh6 Qc7 53. Qg6+ Kf8 54. d6 Qc1?! { (64.88 → Mate in 2) Checkmate is now unavoidable. Qf7 was best. } (54... Qf7 55. Kg5) 55. Qf6+ Ke8 56. Qe7# { White wins by checkmate. } 1-0