[Event "Niendieker vs Maschewski: Chapter 1"] [Site "https://lichess.org/study/gJYLtSiB/CVYMNpqs"] [Result "*"] [Variant "Standard"] [ECO "A15"] [Opening "English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation"] [Annotator "https://lichess.org/@/supertenere"] [UTCDate "2021.10.11"] [UTCTime "16:54:01"] [Source "https://lichess.org/study/gJYLtSiB/CVYMNpqs"] [Orientation "white"] 1. Nf3 { [%eval 0.13] } 1... d5 { [%eval 0.2] } 2. c4 { [%eval 0.0] } 2... Nf6?! { [%eval 0.74] } { Inaccuracy. d4 was best. } (2... d4 3. b4 c5 4. e3 dxe3 5. fxe3 cxb4 6. d4 Nf6 7. a3) 3. cxd5 { [%eval 0.61] } 3... Nxd5 { [%eval 0.68] } 4. g3?! { [%eval 0.07] } { Inaccuracy. e4 was best. } (4. e4 Nb6 5. d4 Bg4 6. Nc3 e5 7. d5 N8d7 8. Be2 Bxf3) 4... Nc6?! { [%eval 0.79] } { Inaccuracy. c5 was best. } (4... c5 5. d4 cxd4 6. Nxd4 e5 7. Nb5 Qa5+ 8. N1c3 Nc6 9. Bg2) 5. Bg2?! { [%eval 0.13] } { Inaccuracy. d4 was best. } (5. d4 Bg4 6. Bg2 e6 7. O-O Qd7 8. Nbd2 Be7 9. a3 a5) 5... Bf5?! { [%eval 0.76] } { Inaccuracy. e5 was best. } (5... e5 6. Nc3 Nb6 7. O-O Be7 8. d3 Be6 9. Be3 f5 10. d4) 6. d3 { [%eval 0.55] } 6... Nf6?! { [%eval 1.12] } { Inaccuracy. Nb6 was best. } (6... Nb6 7. O-O e5 8. a3 Qd7 9. Nbd2 O-O-O 10. b4 f6 11. Qc2) 7. Nh4 { [%eval 0.7] } 7... Be6 { [%eval 1.11] } 8. Nc3 { [%eval 0.96] } 8... a6 { [%eval 1.42] } 9. a3? { [%eval 0.37] } { Mistake. Bxc6+ was best. } (9. Bxc6+ bxc6 10. Nf3 g6 11. b3 Bg7 12. Bb2 Bh3 13. Ng5 Qd7 14. Qc2 O-O 15. f3 h6) 9... h6?! { [%eval 1.25] } { Inaccuracy. Nd4 was best. } (9... Nd4 10. O-O) 10. h3? { [%eval 0.08] } { Mistake. Nf3 was best. } (10. Nf3 g6) 10... g5?! { [%eval 0.81] } { Inaccuracy. Nd4 was best. } (10... Nd4 11. O-O) 11. Nf3 { [%eval 0.91] } 11... Bg7 { [%eval 0.99] } 12. d4 { [%eval 0.67] } 12... Rb8? { [%eval 2.16] } { Mistake. Qd7 was best. } (12... Qd7 13. e3) 13. e4 { [%eval 2.32] } 13... g4 { [%eval 2.25] } 14. hxg4 { [%eval 1.97] } 14... Bxg4 { [%eval 2.28] } 15. d5?? { [%eval 0.36] } { Blunder. Be3 was best. } (15. Be3) 15... Bxf3?? { [%eval 3.22] } { Blunder. Ne5 was best. } (15... Ne5 16. Bf4 Nfd7 17. Qe2 c6 18. Nd1 cxd5 19. Ne3 dxe4 20. Nxg4 Nd3+ 21. Kf1 Nxf4 22. gxf4) 16. Bxf3 { [%eval 3.35] } 16... Ne5 { [%eval 3.47] } 17. Bg2 { [%eval 2.96] } 17... Ng6 { [%eval 2.91] } 18. Qe2 { [%eval 2.5] } 18... Nd7?! { [%eval 3.25] } { Inaccuracy. c6 was best. } (18... c6 19. Be3) 19. Be3 { [%eval 3.22] } 19... Nb6?! { [%eval 4.79] } { Inaccuracy. c6 was best. } (19... c6) 20. Rd1 { [%eval 5.0] } 20... Qd6 { [%eval 4.83] } 21. f4 { [%eval 4.85] } 21... Bxc3+ { [%eval 4.86] } 22. bxc3 { [%eval 5.04] } 22... Qxa3 { [%eval 5.2] } 23. Bd4 { [%eval 5.27] } 23... f6?! { [%eval 8.61] } { Inaccuracy. Rg8 was best. } (23... Rg8 24. Kf2) 24. Qh5 { [%eval 8.69] } 24... Kf7 { [%eval 10.48] } 25. f5 { [%eval 10.6] } 25... Rhg8 { [%eval 11.77] } 26. Bh3 { [%eval 9.98] } 26... Qd6 { [%eval 11.04] } 27. fxg6+ { [%eval 10.44] } 27... Kg7 { [%eval 15.08] } 28. Kf2 { [%eval 11.36] } 28... Rgf8 { [%eval 15.91] } 29. Kg2 { [%eval 9.58] } (29. Qxh6+ Kxh6 30. Bf5+ Kg7 (30... Kg5 31. Be3+ Qf4+ 32. Bxf4#) 31. Rh7+ Kg8 32. Rdh1 Qf4+ 33. gxf4 a5 34. Rh8+ Kg7 35. R1h7#) 29... Nc4 { [%eval 9.46] } 30. Be6 { [%eval 9.42] } 30... Rh8 { [%eval 9.28] } 31. Rhe1 { [%eval 9.31] } 31... Ne5 { [%eval 9.97] } 32. Bxe5 { [%eval 7.23] } 32... Qxe5 { [%eval 8.0] } 33. Qxe5 { [%eval 7.23] } 33... fxe5 { [%eval 6.99] } 34. Bf5 { [%eval 6.54] } 34... b5 { [%eval 6.48] } 35. Ra1 { [%eval 7.02] } 35... Rb6 { [%eval 6.56] } 36. Ra5 { [%eval 6.21] } 36... Kf6 { [%eval 6.54] } 37. Rea1 { [%eval 6.77] } 37... Ra8 { [%eval 6.61] } 38. Kf3 { [%eval 6.7] } 38... c5 { [%eval 6.61] } 39. Ke3 { [%eval 6.46] } 39... b4 { [%eval 7.0] } 40. Rxc5 { [%eval 7.36] } 40... b3 { [%eval 7.46] } 41. Rca5 { [%eval 7.12] } 41... b2 { [%eval 7.85] } 42. Rb1 { [%eval 7.53] } 42... Rab8 { [%eval 8.0] } 43. Kd3 { [%eval 8.26] } 43... e6 { [%eval 7.85] } 44. dxe6 { [%eval 8.47] } 44... Rd6+ { [%eval 9.2] } 45. Rd5 { [%eval 8.23] } 45... Rc6 { [%eval 10.43] } 46. e7 { [%eval 8.92] } 46... Rb3? { [%eval #9] } { Checkmate is now unavoidable. Kxe7 was best. } (46... Kxe7 47. Rd7+ Kf6 48. Rf7+ Kg5 49. g7 Rf6 50. Rb7 Rd8+ 51. Kc2 h5 52. R1xb2 Kh6 53. Ra7) 47. e8=Q { [%eval #8] } 47... Rbxc3+ { [%eval #8] } 48. Ke2 { [%eval #7] } *