lichess dev

[Event "46th Lichess Mega B Arena"] [Site "http://chess-academy.net/hLc3YTd3"] [Date "2023.03.18"] [Round "-"] [White "Lutcii_Igrok"] [Black "Drackon"] [Result "0-1"] [UTCDate "2023.03.18"] [UTCTime "16:45:55"] [WhiteElo "1337"] [BlackElo "1500"] [WhiteRatingDiff "-88"] [BlackRatingDiff "+116"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Modern Variation #3"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. b3 e5?! { (-0.11 → 0.43) Inaccuracy. Best move was d5. } (1... d5 2. Nf3 Nf6 3. e3 Bf5 4. d4 c5 5. Bd3 Bxd3 6. Qxd3) 2. Bb2 Nc6 { A01 Nimzo-Larsen Attack: Modern Variation #3 } 3. c3? { (0.23 → -1.12) Mistake. Best move was e3. } (3. e3) 3... Nf6?! { (-1.12 → -0.43) Inaccuracy. Best move was d5. } (3... d5) 4. d3?! { (-0.43 → -1.06) Inaccuracy. Best move was c4. } (4. c4 d5) 4... d5 5. Nd2?! { (-0.53 → -1.41) Inaccuracy. Best move was Nf3. } (5. Nf3) 5... Bd6? { (-1.41 → -0.18) Mistake. Best move was Bf5. } (5... Bf5) 6. e4 d4? { (-0.82 → 0.27) Mistake. Best move was O-O. } (6... O-O) 7. cxd4 Nxd4 8. Bxd4?! { (0.13 → -0.79) Inaccuracy. Best move was Ngf3. } (8. Ngf3 Bg4) 8... exd4 9. Be2?! { (0.00 → -0.68) Inaccuracy. Best move was a3. } (9. a3 O-O) 9... O-O?! { (-0.68 → -0.18) Inaccuracy. Best move was Bb4. } (9... Bb4 10. a3) 10. Ngf3?! { (-0.18 → -0.78) Inaccuracy. Best move was a3. } (10. a3 Re8) 10... c6? { (-0.78 → 1.16) Mistake. Best move was Nh5. } (10... Nh5 11. g3 Bb4 12. O-O Bh3 13. Re1 Qf6 14. Bf1 Bg4 15. e5 Qf5 16. Nxd4 Qd7 17. Ne2) 11. O-O? { (1.16 → -0.57) Mistake. Best move was e5. } (11. e5 Bxe5) 11... c5?? { (-0.57 → 2.72) Blunder. Best move was Re8. } (11... Re8) 12. a4?? { (2.72 → -0.54) Blunder. Best move was e5. } (12. e5) 12... Bg4? { (-0.54 → 0.83) Mistake. Best move was Re8. } (12... Re8) 13. h3 Bxf3 14. Bxf3 Qc7?! { (0.42 → 1.24) Inaccuracy. Best move was Nd7. } (14... Nd7 15. g3 Qe7 16. Nc4 f6 17. Bg2 Kh8 18. h4 Bc7 19. h5 Ne5 20. Bh3 g6 21. hxg6) 15. Qe2? { (1.24 → 0.17) Mistake. Best move was g3. } (15. g3) 15... Bh2+?! { (0.17 → 1.05) Inaccuracy. Best move was Rae8. } (15... Rae8 16. Qd1 Nd7 17. Nc4 Ne5 18. g3 Nc6 19. Bg2 f6 20. f4 Nb4 21. Qh5 g6 22. Qe2) 16. Kh1 Bf4 17. Qe3?? { (1.23 → -14.26) Blunder. Best move was Nc4. } (17. Nc4 Qd7) 17... Bxe3 18. fxe3 dxe3 19. Rfe1 exd2 20. Rec1 dxc1=Q+ 21. Rxc1 a5 22. b4 axb4 23. Rb1 Qa5 24. Bd1 b5 25. axb5?! { (-22.47 → Mate in 10) Checkmate is now unavoidable. Best move was e5. } (25. e5 Nd7) 25... Qxb5?! { (Mate in 10 → -23.24) Lost forced checkmate sequence. Best move was Qa2. } (25... Qa2 26. Rc1 Qd2 27. Rb1 Qxd3 28. Rc1 Qf1+ 29. Kh2 Ra2 30. Rc2 Qf4+ 31. Kg1 Rd8 32. Bf3) 26. Kh2?! { (-23.24 → Mate in 9) Checkmate is now unavoidable. Best move was Bc2. } (26. Bc2 Nh5) 26... Qxd3 27. Bc2 Qxc2 28. Rg1 c4?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qf2. } (28... Qf2 29. Kh1 Ng4 30. Rb1 Ra2 31. Rg1 Qg3 32. hxg4 Qh4#) 29. Rf1 b3?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Ra2. } (29... Ra2 30. Rg1 Nxe4 31. Kh1 Qf2 32. Kh2 Qg3+ 33. Kh1 Nf2#) 30. Rf2 Qxf2 31. e5 Nd7?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Ra2. } (31... Ra2 32. exf6 Qxg2#) 32. h4 Nxe5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxh4+. } (32... Qxh4+ 33. Kg1 Ra1#) 33. Kh3 Qd2?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Ra1. } (33... Ra1 34. h5 Rh1#) 34. Kg3 c3?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qe3+. } (34... Qe3+ 35. Kh2 Ng4+ 36. Kh1 Ra1#) 35. Kh3 Nd3?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Ra2. } (35... Ra2 36. h5 Qxg2+ 37. Kh4 Qg4#) 36. Kg3 c2?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qf4+. } (36... Qf4+ 37. Kh3 Nf2#) 37. Kh3 b2?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Ne1. } (37... Ne1 38. Kg4 Ra4+ 39. Kf5 Qa5#) 38. Kg3 c1=Q?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qf4+. } (38... Qf4+ 39. Kh3 Nf2#) 39. Kh3 b1=Q?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qf4. } (39... Qf4 40. g3 Qh1#) 40. g4 Qe3+ 41. Kg2 Ra2# { Black wins by checkmate. } 0-1