WORLDBASE Game / Partie #73
[Event "ch-USA Seniors 2025"]
[Site "Saint Louis USA"]
[Date "2025.07.23"]
[Round "8.4"]
[White "Kaidanov, G"]
[Black "Christiansen, L"]
[Result "0-1"]
[WhiteElo "2505"]
[BlackElo "2571"]
[ECO "C55"]
[PlyCount "112"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.Nc3 O-O 6.a3 d6 7.Be3 Be6 8.Nd5 Bxd5 9.exd5 Nb8 10.Ba2 Nbd7 11.d4 Ng4 12.Bc1 e4 13.Nd2 Ngf6 14.O-O Re8 15.Re1 Bf8 16.Nf1 h6 17.c4 c6 18.dxc6 bxc6 19.Bd2 a5 20.Bc3 a4 21.Bb1 Nb6 22.Ne3 g6 23.Bc2 Nfd7 24.f3 Nf6 25.f4 Bg7 26.Rf1 Qc7 27.f5 g5 28.Kh1 d5 29.c5 Nc4 30.Nxc4 dxc4 31.Qe2 e3 32.Rae1 Re7 33.Qxc4 Rae8 34.Re2 h5 35.g3 Ne4 36.Bxe4 Rxe4 37.f6 Bh6 38.Qxa4 h4 39.Kg2 Qd7 40.Qc4 Qg4 41.Qd3 Qe6 42.d5 cxd5 43.Bd4 Bf8 44.h3 g4 45.Rh1 Bh6 46.b4 Bg5 47.b5 gxh3+ 48.Rxh3 Qg4 49.Bc3 Rf4 50.Rb2 Qf3+ 51.Kg1 e2 52.Qxf3 Rxf3 53.Bb4 Bxf6 54.Rc2 Bd4+ 55.Kh1 Rf1+ 56.Kg2 Rf2+ 0-1
[Event "ch-USA Seniors 2025"] [Site "Saint Louis USA"] [Date "2025.07.23"] [Round "8.4"] [White "Kaidanov, G"] [Black "Christiansen, L"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2505"] [BlackElo "2571"] [ECO "C55"] [Opening "Two knights defence (Modern bishop's opening)"] [EventDate "2025.07.15"] [WhiteFideId "2008564"] [BlackFideId "2000059"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 O-O 6. a3 d6 7. Be3 Be6 8. Nd5 Bxd5 9. exd5 Nb8 10. Ba2 Nbd7 11. d4 Ng4 12. Bc1 e4 13. Nd2 Ngf6 14. O-O Re8 15. Re1 Bf8 16. Nf1 h6 17. c4 c6 18. dxc6 bxc6 19. Bd2 a5 20. Bc3 a4 21. Bb1 Nb6 22. Ne3 g6 23. Bc2 Nfd7 24. f3 Nf6 25. f4 Bg7 26. Rf1 Qc7 27. f5 g5 28. Kh1 d5 29. c5 Nc4 30. Nxc4 dxc4 31. Qe2 e3 32. Rae1 Re7 33. Qxc4 Rae8 34. Re2 h5 35. g3 Ne4 36. Bxe4 Rxe4 37. f6 Bh6 38. Qxa4 h4 39. Kg2 Qd7 40. Qc4 Qg4 41. Qd3 Qe6 42. d5 cxd5 43. Bd4 Bf8 44. h3 g4 45. Rh1 Bh6 46. b4 Bg5 47. b5 gxh3+ 48. Rxh3 Qg4 49. Bc3 Rf4 50. Rb2 Qf3+ 51. Kg1 e2 52. Qxf3 Rxf3 53. Bb4 Bxf6 54. Rc2 Bd4+ 55. Kh1 Rf1+ 56. Kg2 Rf2+ 0-1