[Event "MasterClass Arena"] [Site "https://lichess.org/1RIHNHow"] [Date "2020.04.02"] [White "irmakcetinavci"] [Black "Ronalda1903"] [Result "0-1"] [UTCDate "2020.04.02"] [UTCTime "16:13:19"] [WhiteElo "1700"] [BlackElo "1703"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+24"] [Variant "Standard"] [TimeControl "420+3"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. Nc3 O-O 5. Nb5?! { (0.02 → -0.59) Inaccuracy. e4 was best. } (5. e4 d6 6. h3 Nc6 7. Be2 e5 8. dxe5 dxe5 9. Nxe5 Qxd1+) 5... d6 6. e3 Nbd7 7. Bd3 a6 8. Nc3 b5 9. O-O Bb7 10. e4?! { (-1.00 → -1.89) Inaccuracy. Bg5 was best. } (10. Bg5 c5) 10... Re8?! { (-1.89 → -0.88) Inaccuracy. c5 was best. } (10... c5 11. Bg5 cxd4 12. Nxd4 h6 13. Bxf6 Bxf6 14. Nde2 e6 15. Qd2 Kg7 16. a3 Qb6 17. Kh1) 11. e5?! { (-0.88 → -1.72) Inaccuracy. Re1 was best. } (11. Re1 c5 12. dxc5 Nxc5 13. b4 Nxd3 14. cxd3 Nh5 15. Bd2 Nf4 16. Qc2 Rc8 17. Rac1 Ne6) 11... dxe5 12. dxe5 Ng4?? { (-1.75 → 0.89) Blunder. Nh5 was best. } (12... Nh5 13. Bg5 Nxe5 14. Nxe5 Bxe5 15. Re1 Qd6 16. Be4 Bxe4 17. Nxe4 Bxh2+ 18. Kf1 Qc6 19. Qf3) 13. Re1?? { (0.89 → -1.27) Blunder. e6 was best. } (13. e6 Nde5 14. exf7+ Nxf7 15. Ng5 Nf6 16. Ne6 Qc8 17. Nxg7 Kxg7 18. f3 c5 19. Qe2 Kg8) 13... Bxf3 14. Qxf3 Ngxe5 15. Bxe5?! { (-1.16 → -1.88) Inaccuracy. Qe3 was best. } (15. Qe3 Nxd3 16. Qxd3 e5 17. Be3 Nf6 18. Bg5 Qxd3 19. cxd3 c6 20. Rac1 Nd5 21. Nxd5 cxd5) 15... Nxe5 16. Qg3 Nxd3 17. cxd3 b4 18. Na4?! { (-2.03 → -3.15) Inaccuracy. Ne4 was best. } (18. Ne4 Qd5) 18... Qd6?! { (-3.15 → -1.83) Inaccuracy. Qd7 was best. } (18... Qd7 19. Nc5) 19. Qf3 Rab8 20. b3?? { (-1.87 → -4.67) Blunder. Rac1 was best. } (20. Rac1 b3 21. axb3 Rxb3 22. Rc6 Qxd3 23. Qxd3 Rxd3 24. Nc5 Rd2 25. b4 Rb8 26. Ne4 Rb2) 20... Bxa1 21. Rxa1 Qf6 22. Qd1 Red8 23. Rc1 Qd6 24. Nc5 Rb5 25. d4? { (-4.56 → -13.26) Mistake. Qc2 was best. } (25. Qc2 c6 26. Nxa6 Qxd3 27. Qxd3 Rxd3 28. Kf1 Rd2 29. Rxc6 Rxa2 30. Rc5 Rxc5 31. Nxc5 Rb2) 25... Rxc5 26. Rxc5 Qxc5 27. h3 Qxd4 28. Qe1 Qd1 29. Qf1 Qxf1+ 30. Kxf1 Rd2 31. Ke1 Rxa2 32. Kd1?! { (-23.60 → Mate in 29) Checkmate is now unavoidable. h4 was best. } (32. h4 Rb2) 32... Rb2?! { (Mate in 29 → -60.70) Lost forced checkmate sequence. Rxf2 was best. } (32... Rxf2) 33. Kc1?! { (-60.70 → Mate in 15) Checkmate is now unavoidable. h4 was best. } (33. h4 Rxf2) 33... Rxb3 34. Kc2?! { (-70.41 → Mate in 15) Checkmate is now unavoidable. h4 was best. } (34. h4 a5) 34... Rc3+ 35. Kb2 a5 36. g3 a4 37. Kb1 a3 38. Ka1 b3 39. Kb1 a2+ 40. Ka1 Rc1+ 41. Kb2 a1=Q+ 42. Kxb3 Qb1+ 43. Ka4 Rc5 44. Ka3 Ra5# { Black wins by checkmate. } 0-1