[Event "Extern SOS"] [Site "Lonneker"] [Date "2019.10.18"] [White "Marten Zwaagstra (Hardenberg)"] [Black "Roelof Berkepeis (SVL)"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "King's Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. g3 Nf6 { A05 King's Indian Attack } 3. Bg2 e6 4. O-O?! { (0.53 → -0.02) Inaccuracy. c4 was best. } (4. c4 d4 5. e3 c5 6. d3 Nc6 7. O-O Bd6 8. exd4 cxd4) 4... Be7 5. d3 b6 6. Nbd2?! { (0.35 → -0.25) Inaccuracy. e4 was best. } (6. e4 Bb7 7. exd5 exd5 8. c4 O-O 9. Nc3 d4 10. Nb5 c5) 6... O-O 7. e4 Bb7 8. e5 Nfd7 9. d4 c5 10. c3 Ba6 11. Re1 Bd3 12. Nf1 Bg6 13. Bf4 Nc6 14. h4?! { (0.00 → -0.69) Inaccuracy. c4 was best. } (14. c4 Nb4 15. cxd5 Nxd5 16. Ne3 Be4 17. Nc4 Bg6) 14... cxd4?! { (-0.69 → -0.08) Inaccuracy. b5 was best. } (14... b5 15. Rc1 h6 16. Ne3 Rc8 17. dxc5 Nxc5 18. Bf1 b4 19. Nd4 bxc3 20. bxc3 Qa5 21. c4) 15. cxd4 Nb4 16. Re2 Rc8 17. a3 Nc6 18. Rc1 Na5?! { (-0.74 → 0.24) Inaccuracy. b5 was best. } (18... b5 19. Bg5 Bxg5 20. hxg5 a5 21. Kh1 Qb6 22. Rd2 Be4 23. Nh4 Ne7 24. Rxc8 Rxc8 25. Kg1) 19. N1d2?! { (0.24 → -0.59) Inaccuracy. Rxc8 was best. } (19. Rxc8) 19... Rxc1 20. Qxc1 b5 21. Bh3 Qb8 22. b4 Rc8 23. Qe1?! { (-0.58 → -1.43) Inaccuracy. Qa1 was best. } (23. Qa1 Nc4 24. Nb3 Qc7 25. Ra2 a5 26. Bg5 Bf8 27. bxa5 Nxa5 28. Nxa5 Qxa5 29. Bd2 Qa4) 23... Nc4 24. Nxc4 bxc4 25. Qc3 Nb6 26. Ng5?! { (-2.05 → -2.84) Inaccuracy. b5 was best. } (26. b5 Qc7 27. a4 Nxa4 28. Qa1 Nb6 29. Ra2 Ra8 30. Bd2 Qd7 31. Rb2 Rb8 32. Bg4 Nc8) 26... Na4 27. Qc1?! { (-2.68 → -3.55) Inaccuracy. Qf3 was best. } (27. Qf3 Bxg5) 27... Qb6 28. g4?! { (-3.38 → -4.46) Inaccuracy. Be3 was best. } (28. Be3 h6 29. Nf3 a5 30. Ne1 axb4 31. axb4 Qxb4 32. Ng2 Be4 33. Nf4 Rb8 34. Bg2 Bf5) 28... Qxd4 29. Nf3 Qb6 30. Be3 Qb7 31. Nd4 c3 32. g5 Qd7?! { (-4.43 → -2.85) Inaccuracy. Rc4 was best. } (32... Rc4 33. Ra2 Bd3 34. h5 Qb6 35. Nf5 Qc7 36. Nxe7+ Qxe7 37. f4 d4 38. Bf1 Nb2 39. Bxd3) 33. Bg4? { (-2.85 → -4.59) Mistake. f4 was best. } (33. f4) 33... Nb2?! { (-4.59 → -3.63) Inaccuracy. Bd8 was best. } (33... Bd8) 34. Rxb2 cxb2 35. Qxb2 Bd3 36. Qd2 Bc4 37. f4? { (-2.26 → -3.95) Mistake. h5 was best. } (37. h5 g6) 37... g6 38. Be2?! { (-3.84 → -6.02) Inaccuracy. Qb2 was best. } (38. Qb2 Qa4) 38... a5 39. b5 Bxe2 40. Qxe2 Bc5 41. a4?! { (-4.42 → -5.62) Inaccuracy. Nc6 was best. } (41. Nc6 d4) 41... Qa7 42. Kf2?? { (-4.47 → -15.73) Blunder. Qc2 was best. } (42. Qc2 Rc7) 42... Bxd4 { White resigns. } 0-1