lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/xSUFq0VS"] [Date "2026.02.05"] [Round "-"] [White "Lucaous28"] [Black "Mate2017"] [Result "0-1"] [UTCDate "2026.02.05"] [UTCTime "17:51:26"] [WhiteElo "1491"] [BlackElo "1386"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+16"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } { B01 Scandinavian Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. e5? { (0.81 → -0.31) Mistake. Best move was exd5. } (2. exd5 Nf6 3. Nf3 Nxd5 4. d4 c5 5. c4 Nf6 6. d5 e6) 2... d4?! { (-0.31 → 0.44) Inaccuracy. Best move was c5. } (2... c5) 3. e6? { (0.44 → -1.89) Mistake. Best move was Nf3. } (3. Nf3 e6) 3... d3?? { (-1.89 → 2.98) Blunder. Best move was Bxe6. } (3... Bxe6 4. Be2) 4. exf7+ Kxf7 5. Bxd3 Qd6? { (2.99 → 4.21) Mistake. Best move was Nf6. } (5... Nf6 6. Nf3) 6. Qf3+? { (4.21 → 1.62) Mistake. Best move was Nf3. } (6. Nf3 Nf6) 6... Ke8? { (1.62 → 2.77) Mistake. Best move was Nf6. } (6... Nf6) 7. Bc4?! { (2.77 → 2.06) Inaccuracy. Best move was Nc3. } (7. Nc3 Nc6) 7... Qe5+? { (2.06 → 3.56) Mistake. Best move was Nf6. } (7... Nf6 8. Qb3) 8. Kd1? { (3.56 → 1.53) Mistake. Best move was Ne2. } (8. Ne2 Nf6) 8... Nh6?! { (1.53 → 2.50) Inaccuracy. Best move was Nf6. } (8... Nf6 9. h3 Nc6 10. Nc3 Be6 11. Bb5 Bd7 12. d3 e6 13. a4 Kd8 14. Nge2 Qc5 15. Qe3) 9. Bb5+?? { (2.50 → -4.06) Blunder. Best move was Ne2. } (9. Ne2 Nc6 10. Nbc3 Bg4 11. Qe4 Bf5 12. Qh4 Qf6 13. Qg3 e5 14. d3 Kd7 15. Bd2 Qg6) 9... Bd7?? { (-4.06 → 2.31) Blunder. Best move was Qxb5. } (9... Qxb5 10. Ne2 Qc6 11. d4 Qxf3 12. gxf3 g6 13. Bf4 Bg7 14. Bxc7 Nc6 15. c3 e5 16. dxe5) 10. Bxd7+ Nxd7 11. Qxb7 Rb8 12. Qxa7 Qb5? { (2.40 → 3.73) Mistake. Best move was Qg5. } (12... Qg5 13. Ne2) 13. Nc3?? { (3.73 → Mate in 1) Checkmate is now unavoidable. Best move was Nf3. } (13. Nf3 e5) 13... Qc6?? { (Mate in 1 → 4.02) Lost forced checkmate sequence. Best move was Qf1#. } (13... Qf1#) 14. d4?? { (4.02 → -4.67) Blunder. Best move was Nf3. } (14. Nf3) 14... Ra8?? { (-4.67 → 3.26) Blunder. Best move was Qxg2. } (14... Qxg2) 15. Qxa8+?? { (3.26 → -4.67) Blunder. Best move was d5. } (15. d5 Qxd5+ 16. Nxd5 Rxa7 17. Nf3 Ng4 18. Ke2 e6 19. Ne3 Nxe3 20. Bxe3 Ra6 21. a4 Bd6) 15... Qxa8 16. Be3?? { (-3.78 → -12.52) Blunder. Best move was Nf3. } (16. Nf3 Ng4) 16... Nf5?? { (-12.52 → -4.51) Blunder. Best move was Qxg2. } (16... Qxg2 17. Kd2 Qxh1 18. Rd1 e5 19. Ke2 Qxh2 20. Nf3 Qh5 21. Bxh6 Qxh6 22. Nxe5 Nxe5 23. dxe5) 17. Nd5?? { (-4.51 → -10.64) Blunder. Best move was Nf3. } (17. Nf3 c5) 17... Nd6?? { (-10.64 → 9.04) Blunder. Best move was Qxd5. } (17... Qxd5) 18. Nc3?? { (9.04 → -12.74) Blunder. Best move was Nxc7+. } (18. Nxc7+ Kd8) 18... Nb6?? { (-12.74 → -4.77) Blunder. Best move was Qxg2. } (18... Qxg2 19. Ke2 Qxh1 20. h3 Qc6 21. Kf1 Nc4 22. Nd1 Nxe3+ 23. fxe3 Qxc2 24. Ne2 c5 25. Rc1) 19. Nf3 Nbc4 20. Bc1? { (-4.29 → -6.49) Mistake. Best move was Kc1. } (20. Kc1 Qa5) 20... Ne4? { (-6.49 → -4.11) Mistake. Best move was g5. } (20... g5) 21. Nxe4 Qxe4 22. Re1? { (-4.04 → -5.69) Mistake. Best move was b3. } (22. b3 Nd6) 22... Qd5? { (-5.69 → -2.75) Mistake. Best move was Qg6. } (22... Qg6) 23. b3?! { (-2.75 → -3.33) Inaccuracy. Best move was a4. } (23. a4) 23... Na3?? { (-3.33 → 1.54) Blunder. Best move was Nd6. } (23... Nd6 24. Re5 Qa8 25. Be3 Ne4 26. a4 Kd7 27. a5 e6 28. a6 Bd6 29. c4 Bxe5 30. Nxe5+) 24. Bxa3 c5? { (1.18 → 3.96) Mistake. Best move was g5. } (24... g5 25. Re5) 25. Re5 Qd6? { (3.67 → 4.91) Mistake. Best move was Qc6. } (25... Qc6) 26. Bxc5 Qf6? { (4.38 → 6.00) Mistake. Best move was Qg6. } (26... Qg6 27. Rg5) 27. Rd5? { (6.00 → 3.24) Mistake. Best move was a4. } (27. a4 Qa6 28. Kd2 g6 29. Rae1 Kf7 30. c4 h6 31. Kd3 e6 32. Rxe6 Qxe6 33. Rxe6 Kxe6) 27... e6?! { (3.24 → 3.90) Inaccuracy. Best move was Rg8. } (27... Rg8 28. Ke2) 28. Rh5? { (3.90 → 2.49) Mistake. Best move was Re5. } (28. Re5 Kd7 29. Ke2 Qg6 30. Rc1 Qh6 31. Rg1 Qf6 32. Re1 Qg6 33. Kf1 Qxc2 34. R5e2 Qf5) 28... Bxc5? { (2.49 → 4.16) Mistake. Best move was h6. } (28... h6) 29. dxc5?? { (4.16 → -7.53) Blunder. Best move was Rxc5. } (29. Rxc5) 29... Qxa1+ 30. Ke2?! { (-6.95 → -7.78) Inaccuracy. Best move was Kd2. } (30. Kd2) 30... Qxa2 31. c6? { (-7.12 → -10.23) Mistake. Best move was Kd3. } (31. Kd3 Qa6+) 31... Qxc2+ 32. Ke3?! { (-9.43 → -11.59) Inaccuracy. Best move was Nd2. } (32. Nd2 Kf7 33. Ra5 Qxc6 34. g3 Rd8 35. Nc4 Qh1 36. Ne3 Qxh2 37. Ra4 Qh5+ 38. Kf1 Qh1+) 32... Qxb3+ 33. Kd2 Qc4 34. Ne5 Qc5 35. Rh3 Qxe5 36. Rc3 Qd5+ 37. Kc1 Qxg2 38. c7 Kf7 39. Rf3+? { (-9.71 → Mate in 6) Checkmate is now unavoidable. Best move was c8=Q. } (39. c8=Q Qg1+ 40. Kb2 Qxf2+ 41. Kb3 Rxc8 42. Rxc8 Qxh2 43. Rc2 Qb8+ 44. Ka2 Qf4 45. Rc3 g5) 39... Qxf3 40. c8=Q Rxc8+ 41. Kb1 Qxf2?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qb3+. } (41... Qb3+ 42. Ka1 Rc1#) 42. Ka1 Rc1# { Black wins by checkmate. } 0-1