lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/lhCyIk8B"] [Date "2020.11.28"] [Round "-"] [White "David13"] [Black "Diana27"] [Result "0-1"] [UTCDate "2020.11.28"] [UTCTime "09:47:02"] [WhiteElo "1142"] [BlackElo "1370"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: King's Head Opening #2"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. e4 e5 2. f3? { (0.30 → -1.52) Mistake. Best move was Nf3. } { C20 King's Pawn Game: King's Head Opening #2 } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nc6?! { (-1.52 → -0.79) Inaccuracy. Best move was d5. } (2... d5) 3. Nc3 Nf6?! { (-1.32 → -0.75) Inaccuracy. Best move was Bc5. } (3... Bc5 4. Nge2) 4. d3 d5 5. exd5? { (-0.97 → -2.13) Mistake. Best move was Bg5. } (5. Bg5 Be6 6. exd5 Bxd5 7. Nge2 Be6 8. Qd2 h6 9. Bh4 Qe7 10. O-O-O O-O-O 11. f4 Qb4) 5... Na5? { (-2.13 → 0.79) Mistake. Best move was Nxd5. } (5... Nxd5 6. Nge2) 6. Be2? { (0.79 → -1.31) Mistake. Best move was Qe2. } (6. Qe2 Be7 7. Qxe5 O-O 8. Nge2 c6 9. Bf4 cxd5 10. Qc7 Nc6 11. Nb5 Bd7 12. Qxd8 Raxd8) 6... Bb4? { (-1.31 → -0.13) Mistake. Best move was Nxd5. } (6... Nxd5 7. Nxd5 Qxd5 8. c3 Be7 9. Nh3 Bxh3 10. gxh3 Bh4+ 11. Kf1 Nc6 12. Rg1 Qd7 13. Rxg7) 7. Bd2?! { (-0.13 → -0.79) Inaccuracy. Best move was Bg5. } (7. Bg5 Bxc3+) 7... Bd6? { (-0.79 → 1.06) Mistake. Best move was O-O. } (7... O-O) 8. Nh3? { (1.06 → -0.42) Mistake. Best move was Ne4. } (8. Ne4 b6 9. c4 O-O 10. Qc2 Nb7 11. O-O-O Bd7 12. Kb1 Rc8 13. Bc3 Re8 14. g4 Nxe4) 8... Bxh3 9. gxh3 O-O? { (-0.65 → 0.39) Mistake. Best move was c6. } (9... c6 10. Bg5) 10. Nb5? { (0.39 → -1.92) Mistake. Best move was Rg1. } (10. Rg1 c6) 10... Be7?? { (-1.92 → 1.36) Blunder. Best move was Nxd5. } (10... Nxd5 11. Nxd6 cxd6 12. O-O Nc6 13. c3 Qb6+ 14. Kh1 Qxb2 15. Rb1 Qxa2 16. Rg1 Rab8 17. d4) 11. c4? { (1.36 → -0.83) Mistake. Best move was Bxa5. } (11. Bxa5 Nxd5) 11... a6?! { (-0.83 → 0.05) Inaccuracy. Best move was b6. } (11... b6) 12. Qa4?? { (0.05 → -5.63) Blunder. Best move was Na3. } (12. Na3 Bxa3 13. bxa3 c6 14. Qa4 b6 15. Rb1 cxd5 16. c5 Nb7 17. cxb6 Nc5 18. Qa5 Nb7) 12... axb5 13. cxb5? { (-5.16 → -8.08) Mistake. Best move was Qc2. } (13. Qc2 b4) 13... c6? { (-8.08 → -5.89) Mistake. Best move was Nc6. } (13... Nc6 14. Qd1) 14. O-O-O? { (-5.89 → -8.18) Mistake. Best move was O-O. } (14. O-O Nxd5) 14... cxb5 15. Qxb5 Nxd5 16. Bxa5? { (-7.66 → -9.11) Mistake. Best move was d4. } (16. d4 Nc6) 16... Qb8?? { (-9.11 → 3.19) Blunder. Best move was Rxa5. } (16... Rxa5 17. Qb3) 17. b4?? { (3.19 → -11.01) Blunder. Best move was Qxd5. } (17. Qxd5 Qa7) 17... Bd8?? { (-11.01 → -1.05) Blunder. Best move was Nc3. } (17... Nc3 18. Qd7) 18. Rhg1?? { (-1.05 → -10.15) Blunder. Best move was Qxd5. } (18. Qxd5) 18... Bxa5?? { (-10.15 → -4.12) Blunder. Best move was Nc3. } (18... Nc3 19. Qc4) 19. bxa5?? { (-4.12 → -9.05) Blunder. Best move was Qxd5. } (19. Qxd5) 19... Nc3 20. Rd2? { (-8.68 → -18.13) Mistake. Best move was Qb2. } (20. Qb2 Rc8 21. Kd2 Rxa5 22. a4 e4 23. dxe4 Rxa4 24. Ke1 Ra2 25. Qxa2 Nxa2 26. Rg2 Nc3) 20... Nxb5 21. Rc2 Rc8 22. Rg4 Nc3 23. Rxc3 Rxc3+ 24. Kd1 Rxa5 25. Ke1?! { (-22.72 → Mate in 8) Checkmate is now unavoidable. Best move was a4. } (25. a4 Ra3) 25... Rac5?! { (Mate in 8 → -26.52) Lost forced checkmate sequence. Best move was Rxa2. } (25... Rxa2 26. Kf2 Qa7+ 27. Kg3 Rxe2 28. d4 Qa3 29. Kh4 Rxf3 30. Rxg7+ Kxg7 31. d5 Rg2 32. d6) 26. Kf2 f5 27. Rh4?! { (-23.84 → Mate in 7) Checkmate is now unavoidable. Best move was Ra4. } (27. Ra4) 27... f4 28. Rg4 b5 29. h4 b4 30. h5 b3 31. axb3?! { (-33.20 → Mate in 7) Checkmate is now unavoidable. Best move was d4. } (31. d4 b2) 31... Rxb3 32. h6 Rc7 33. hxg7?! { (-32.28 → Mate in 6) Checkmate is now unavoidable. Best move was d4. } (33. d4 exd4) 33... Rxg7 34. h3 Qa7+ 35. Kg2 Qa1?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Rb2. } (35... Rb2 36. Kf1 Qa1+ 37. Kf2 Qd1 38. Rxg7+ Kxg7 39. h4 Rxe2#) 36. Bf1 Rb1?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rb2+. } (36... Rb2+ 37. Kg1 Qe1 38. Rxg7+ Kxg7 39. d4 Qf2+ 40. Kh1 Qxf1#) 37. h4 Rxf1 38. h5 Rg1+ 39. Kf2 Rf1+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qe1#. } (39... Qe1#) 40. Kg2 Rg1+ { Black wins on time. } 0-1