[Event "Promotie intern"] [Site "Zoetermeer"] [Date "2022.02.15"] [Round "?"] [White "Tan, John"] [Black "Swart, Sipke de"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B06"] [Opening "Pterodactyl Defense: Eastern, Pterodactyl"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5?! { (0.66 → 1.26) Inaccuracy. Bxc3+ was best. } { B06 Pterodactyl Defense: Eastern, Pterodactyl } (4... Bxc3+ 5. bxc3 Qa5 6. Qd4 Nf6 7. Qb4 Qc7 8. f3 b6 9. cxb6) 5. Ne2 Qxc5 6. Be3?! { (1.47 → 0.83) Inaccuracy. Nd5 was best. } (6. Nd5 d6 7. Nec3 Bd7 8. Be3 Qa5 9. Bd4 Kf8 10. Bxg7+ Kxg7) 6... Qa5 7. g3 Nf6 8. Bg2 Nc6 9. h3 d6 10. O-O O-O 11. Qd2? { (1.28 → 0.16) Mistake. f4 was best. } (11. f4) 11... Rd8?! { (0.16 → 0.83) Inaccuracy. Ne5 was best. } (11... Ne5 12. Qd1 b5 13. b3 Bb7 14. Nd5 e6 15. Nxf6+ Bxf6 16. c3 Rfd8 17. f4 Nd7 18. f5) 12. Rab1?! { (0.83 → 0.17) Inaccuracy. f4 was best. } (12. f4 Be6) 12... Bd7 13. Bh6?! { (0.70 → -0.03) Inaccuracy. f4 was best. } (13. f4 Rac8) 13... Bh8?! { (-0.03 → 1.04) Inaccuracy. Bxh6 was best. } (13... Bxh6 14. Qxh6) 14. f4?? { (1.04 → -1.62) Blunder. g4 was best. } (14. g4) 14... Bxh3 15. Bxh3 Qh5 16. Kg2 Qxh6 17. Rh1 Qg7 18. b4 Nd7?? { (-2.63 → -0.08) Blunder. e6 was best. } (18... e6 19. Rbd1 Qf8 20. b5 Na5 21. Nd4 Qe8 22. f5 exf5 23. Nxf5 gxf5 24. Bxf5 Bg7 25. Qg5) 19. b5?? { (-0.08 → -2.52) Blunder. Nd5 was best. } (19. Nd5 e6) 19... Nd4 20. Rb4 Nxe2 21. Nxe2 Nc5 22. Rd1 a5?! { (-2.76 → -1.89) Inaccuracy. Qf8 was best. } (22... Qf8) 23. Rc4? { (-1.89 → -3.73) Mistake. Rd4 was best. } (23. Rd4 Re8 24. Qe3 b6 25. c3 e5 26. Rxd6 exf4 27. Qxf4 Qf8 28. Rxb6 Rxe4 29. Qf2 Rae8) 23... Qb2 24. a4?! { (-4.10 → -5.50) Inaccuracy. Nc3 was best. } (24. Nc3 Bxc3) 24... b6?? { (-5.50 → -2.52) Blunder. Qa2 was best. } (24... Qa2 25. Rxc5 dxc5 26. Qxd8+ Rxd8 27. Rxd8+ Kg7 28. Bg4 Qxa4 29. b6 Qc6 30. Bf3 Qxb6 31. Ra8) 25. Qd5?? { (-2.52 → -5.11) Blunder. f5 was best. } (25. f5 Be5 26. Nf4 Qa3 27. Rh1 g5 28. Nh5 Qa2 29. Qd5 Nxa4 30. f6 exf6 31. Rf1 Nc3) 25... e6 26. Qc6 Qa2 27. Rxc5 bxc5 28. Rxd6 Qxc2 29. Bg4 Bf6?? { (-5.18 → -1.45) Blunder. Qxa4 was best. } (29... Qxa4) 30. e5 Be7 31. Rxd8+ Rxd8 32. Qc7?? { (-2.51 → -5.50) Blunder. b6 was best. } (32. b6 Qd3) 32... Kf8 33. Qxa5 c4 34. b6 Qb2 35. Bf3 Qb4?? { (-5.11 → -1.43) Blunder. Rb8 was best. } (35... Rb8) 36. Qa7?? { (-1.43 → -5.89) Blunder. Qxb4 was best. } (36. Qxb4) 36... Bc5 37. a5 Qe1 38. Qc7 Qf2+ 39. Kh3 Re8?? { (-9.39 → -3.60) Blunder. Rd2 was best. } (39... Rd2 40. Qc6 Qf1+ 41. Bg2 Qxe2 42. Qf3 Qxf3 43. Bxf3 c3 44. Be4 c2 45. Bxc2 Rxc2 46. g4) 40. b7?? { (-3.60 → -9.00) Blunder. Qc6 was best. } (40. Qc6 Kg7) 40... Ba7?? { (-9.00 → -3.81) Blunder. Qxf3 was best. } (40... Qxf3 41. Qxc5+ Kg7 42. Qg1 Qh5+ 43. Kg2 Qxe2+ 44. Qf2 Qxf2+ 45. Kxf2 c3 46. Ke2 Rd8 47. b8=Q) 41. Bc6?? { (-3.81 → -10.57) Blunder. Qc6 was best. } (41. Qc6 h5) 41... Qf1+ 42. Bg2 Qxe2 43. Qd6+ Kg7 44. Qd7?! { (-13.54 → Mate in 1) Checkmate is now unavoidable. Bc6 was best. } (44. Bc6 Rb8) 44... Qh5# { Black wins by checkmate. } 0-1