lichess dev

[Event "Lesson of Chess Arena"] [Site "http://chess-academy.net/VzFNKeiM"] [Date "2022.06.18"] [Round "-"] [White "Bogdan_Castravet"] [Black "Maria_000000"] [Result "1-0"] [UTCDate "2022.06.18"] [UTCTime "12:38:58"] [WhiteElo "1361"] [BlackElo "1358"] [WhiteRatingDiff "+20"] [BlackRatingDiff "-124"] [Variant "King of the Hill"] [TimeControl "300+0"] [ECO "C20"] [Opening "King's Pawn Game: Leonardis Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. d3? { (0.44 → -1.01) Mistake. Best move was f4. } { C20 King's Pawn Game: Leonardis Variation } (2. f4 Nc6 3. Nf3 f5 4. d3 d6 5. Nc3 Nf6 6. g3 g6) 2... Nf6? { (-1.01 → 0.77) Mistake. Best move was d5. } (2... d5 3. exd5 Qxd5 4. Nc3 Bb4 5. Nf3 Nc6 6. Bd2 Bxc3 7. bxc3 f5 8. d4 e4 9. c4) 3. Ke2?? { (0.77 → -2.60) Blunder. Best move was f4. } (3. f4 exf4) 3... Nc6? { (-2.60 → -1.38) Mistake. Best move was d5. } (3... d5) 4. Nf3?! { (-1.38 → -2.25) Inaccuracy. Best move was c4. } (4. c4 Nd4+) 4... Bc5? { (-2.25 → 0.09) Mistake. Best move was d5. } (4... d5) 5. b4? { (0.09 → -2.01) Mistake. Best move was c4. } (5. c4 b5 6. Nc3 bxc4 7. dxc4 Rb8 8. Rb1 d6 9. Be3 Bg4 10. h3 Bxf3+ 11. gxf3 Ke7) 5... Bb6? { (-2.01 → -0.99) Mistake. Best move was Bxb4. } (5... Bxb4 6. c4) 6. Be3? { (-0.99 → -2.38) Mistake. Best move was c4. } (6. c4) 6... Ke7? { (-2.38 → -0.53) Mistake. Best move was d5. } (6... d5 7. c4) 7. Bxb6?? { (-0.53 → -3.74) Blunder. Best move was c4. } (7. c4) 7... axb6 8. Ke3?? { (-2.54 → -6.51) Blunder. Best move was Nbd2. } (8. Nbd2 d5) 8... Kd6?? { (-6.51 → -0.35) Blunder. Best move was d5. } (8... d5 9. Nbd2) 9. d4?? { (-0.35 → -8.08) Blunder. Best move was c3. } (9. c3 Ng4+ 10. Ke2 Ke7 11. Qb3 f5 12. Nbd2 d6 13. b5 Na5 14. Qb2 Nf6 15. g3 fxe4) 9... Nxd4?? { (-8.08 → Mate in 3) Checkmate is now unavoidable. Best move was Nd5+. } (9... Nd5+ 10. Kd3 Ndxb4+ 11. Kc3 Nd5+ 12. Kb2 exd4 13. Qd3 Ra4 14. c4 Qf6 15. Nbd2 Ne5 16. cxd5) 10. Nxd4?? { (Mate in 3 → 5.45) Lost forced checkmate sequence. Best move was Qxd4+. } (10. Qxd4+ Nd5+ 11. exd5 exd4+ 12. Kxd4#) 10... c5?? { (5.45 → Mate in 2) Checkmate is now unavoidable. Best move was Nd5+. } (10... Nd5+ 11. Ke2) 11. Nb5+?! { (Mate in 2 → 19.59) Lost forced checkmate sequence. Best move was Nf5+. } (11. Nf5+ Kc7 12. Qd6#) 11... Kc6?! { (19.59 → Mate in 1) Checkmate is now unavoidable. Best move was Ke7. } (11... Ke7 12. Qd6+) 12. Qd5+?? { (Mate in 1 → -17.64) Lost forced checkmate sequence. Best move was Qd6#. } (12. Qd6#) 12... Nxd5+ 13. Kf3 Nf6 14. Bc4 d5 15. Bxd5+?! { (-20.69 → Mate in 6) Checkmate is now unavoidable. Best move was Ke2. } (15. Ke2) 15... Nxd5?! { (Mate in 6 → -22.47) Lost forced checkmate sequence. Best move was Qxd5. } (15... Qxd5 16. Na7+ Rxa7 17. b5+ Kd6 18. Kg3 Nxe4+ 19. Kh4 Qd2 20. Nxd2 Kd5#) 16. N5c3?! { (-22.47 → Mate in 11) Checkmate is now unavoidable. Best move was Rd1. } (16. Rd1 Bg4+) 16... Nxc3 17. Nxc3 Qd2?! { (Mate in 12 → -14.38) Lost forced checkmate sequence. Best move was Ra3. } (17... Ra3 18. b5+ Kc7 19. g3 Bh3 20. Ke2 Rxc3 21. Rhd1 Rxc2+ 22. Ke1 Qf6 23. Rd2 Rxd2 24. Kxd2) 18. g3?! { (-14.38 → Mate in 8) Checkmate is now unavoidable. Best move was b5+. } (18. b5+ Kc7 19. Nd5+ Kd6 20. Rad1 Ra3+ 21. Ne3 Qd4 22. g4 Ke6 23. h4 h6 24. h5 Qa4) 18... Bg4+?! { (Mate in 8 → -25.20) Lost forced checkmate sequence. Best move was Qxc3+. } (18... Qxc3+ 19. Kg2 Bg4 20. b5+ Kxb5 21. Rhd1 Kc4 22. f4 Qf3+ 23. Kg1 Bh3 24. Rd2 Qg2+ 25. Rxg2) 19. Kxg4 f5+ 20. Kxf5 g6+?? { (-28.91 → Mate in 1) Checkmate is now unavoidable. Best move was Qxc3. } (20... Qxc3) 21. Kxe5# { Game ends by variant rule. } 1-0