Event: KNSB competitie 2025/2026
Site: https://lichess.org/broadcast/dutch-meesterklasse-202526/round-1/NEMtAGsj/ghhGtmuD
Date: 2025-09-22
White: Ondersteijn, Niels
WhiteTitle: IM
WhiteElo: 2364
Black: Martens, Martin
BlackTitle: IM
BlackElo: 2304
Result: 1-0
ECO: A37
Opening: English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
Variant: Standard

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. a3 a5 7. d3 Nge7 8. Nd2 d6 9. Nf1 O-O 10. Rb1 Rb8 11. Bg5 f6 12. Bd2 Be6 13. Ne3 Qd7 14. Ned5 b6 15. Qa4 Bh3 16. Nxe7+ Nxe7 17. Qxd7 Bxd7 18. b4 axb4 19. axb4 Bc6 20. O-O Bxg2 21. Kxg2 Kf7 22. Ra1 cxb4 23. Nb5 Nc8 24. Bxb4 Rd8 25. e4 Rd7 26. Ra6 Bf8 27. f4 Be7 28. g4 Kg7 29. Kg3 Bd8 30. h4 h6 31. d4 exf4+ 32. Rxf4 g5 33. hxg5 hxg5 34. Rf1 Ne7 35. Kg2 Nc6 36. Bxd6 Rc8 37. c5 Na5 38. cxb6 Nc4 39. Ra7 Nxb6 40. Bc5 Rxa7 41. Nxa7 Ra8 42. Nc6 Nc4 43. d5 Bc7 44. Bd4 Bf4 45. Rxf4 gxf4 46. g5 Ra3 47. gxf6+ Kg6 48. Ne7+ Kf7 49. e5 Ne3+ 50. Kg1 Nxd5 51. Nxd5 Rd3 52. e6+ Kxe6 53. Nxf4+ 1-0