
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.21"]
[Round "7.1"]
[White "Karthikeyan, M2"]
[Black "Sasikiran, K"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2531"]
[ECO "C88"]
[PlyCount "137"]
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7 9.d3 d6 10.Nc3 b4 11.Ne2 Na5 12.Ba2 c5 13.Ng3 Bc8 14.h3 Rb8 15.Nd2 Be6 16.Nc4 Nc6 17.Ne3 Bxa2 18.Rxa2 g6 19.Nc4 Re8 20.Ra1 Bf8 21.Bg5 h6 22.Bxf6 Qxf6 23.Nf1 h5 24.Nfe3 Bh6 25.Nd5 Qd8 26.a5 Kg7 27.Ncb6 Ne7 28.Nxe7 Rxe7 29.c3 bxc3 30.bxc3 Ra7 31.Rb1 Bg5 32.Re2 Rab7 33.Qa4 Qe8 34.Qc4 Ra7 35.Reb2 Bd8 36.Qd5 Qe6 37.Nc4 Rxb2 38.Rxb2 Qxd5 39.exd5 Bc7 40.Kf1 Kf8 41.Ke2 Ke7 42.Ke3 Kd8 43.d4 cxd4+ 44.cxd4 exd4+ 45.Kxd4 Ra8 46.Rb7 f5 47.Rb3 Rb8 48.Rg3 Rb1 49.Rxg6 Rd1+ 50.Kc3 Rxd5 51.Nb6 Bxb6 52.axb6 Kc8 53.Rg5 h4 54.Rh5 Rc5+ 55.Kd3 Rd5+ 56.Kc3 Rc5+ 57.Kd3 Rd5+ 58.Ke2 Kb7 59.Rxh4 a5 60.Rf4 Kxb6 61.h4 Kb5 62.h5 a4 63.h6 a3 64.h7 Re5+ 65.Kd3 a2 66.h8=Q a1=Q 67.Qb8+ Kc6 68.Qc8+ Kb6 69.Rb4+ 1-0
[Site "Biel SUI"]
[Date "2025.07.21"]
[Round "7.1"]
[White "Karthikeyan, M2"]
[Black "Sasikiran, K"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2531"]
[ECO "C88"]
[PlyCount "137"]
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7 9.d3 d6 10.Nc3 b4 11.Ne2 Na5 12.Ba2 c5 13.Ng3 Bc8 14.h3 Rb8 15.Nd2 Be6 16.Nc4 Nc6 17.Ne3 Bxa2 18.Rxa2 g6 19.Nc4 Re8 20.Ra1 Bf8 21.Bg5 h6 22.Bxf6 Qxf6 23.Nf1 h5 24.Nfe3 Bh6 25.Nd5 Qd8 26.a5 Kg7 27.Ncb6 Ne7 28.Nxe7 Rxe7 29.c3 bxc3 30.bxc3 Ra7 31.Rb1 Bg5 32.Re2 Rab7 33.Qa4 Qe8 34.Qc4 Ra7 35.Reb2 Bd8 36.Qd5 Qe6 37.Nc4 Rxb2 38.Rxb2 Qxd5 39.exd5 Bc7 40.Kf1 Kf8 41.Ke2 Ke7 42.Ke3 Kd8 43.d4 cxd4+ 44.cxd4 exd4+ 45.Kxd4 Ra8 46.Rb7 f5 47.Rb3 Rb8 48.Rg3 Rb1 49.Rxg6 Rd1+ 50.Kc3 Rxd5 51.Nb6 Bxb6 52.axb6 Kc8 53.Rg5 h4 54.Rh5 Rc5+ 55.Kd3 Rd5+ 56.Kc3 Rc5+ 57.Kd3 Rd5+ 58.Ke2 Kb7 59.Rxh4 a5 60.Rf4 Kxb6 61.h4 Kb5 62.h5 a4 63.h6 a3 64.h7 Re5+ 65.Kd3 a2 66.h8=Q a1=Q 67.Qb8+ Kc6 68.Qc8+ Kb6 69.Rb4+ 1-0
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.21"]
[Round "7.1"]
[White "Karthikeyan, M2"]
[Black "Sasikiran, K"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2650"]
[BlackElo "2531"]
[ECO "C88"]
[Opening "Ruy Lopez"]
[Variation "closed, anti-Marshall 8.a4"]
[EventDate "2025.07.14"]
[WhiteFideId "5074452"]
[BlackFideId "5004985"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8.
a4 Bb7 9. d3 d6 10. Nc3 b4 11. Ne2 Na5 12. Ba2 c5 13. Ng3 Bc8 14. h3 Rb8
15. Nd2 Be6 16. Nc4 Nc6 17. Ne3 Bxa2 18. Rxa2 g6 19. Nc4 Re8 20. Ra1 Bf8
21. Bg5 h6 22. Bxf6 Qxf6 23. Nf1 h5 24. Nfe3 Bh6 25. Nd5 Qd8 26. a5 Kg7 27.
Ncb6 Ne7 28. Nxe7 Rxe7 29. c3 bxc3 30. bxc3 Ra7 31. Rb1 Bg5 32. Re2 Rab7
33. Qa4 Qe8 34. Qc4 Ra7 35. Reb2 Bd8 36. Qd5 Qe6 37. Nc4 Rxb2 38. Rxb2 Qxd5
39. exd5 Bc7 40. Kf1 Kf8 41. Ke2 Ke7 42. Ke3 Kd8 43. d4 cxd4+ 44. cxd4
exd4+ 45. Kxd4 Ra8 46. Rb7 f5 47. Rb3 Rb8 48. Rg3 Rb1 49. Rxg6 Rd1+ 50. Kc3
Rxd5 51. Nb6 Bxb6 52. axb6 Kc8 53. Rg5 h4 54. Rh5 Rc5+ 55. Kd3 Rd5+ 56. Kc3
Rc5+ 57. Kd3 Rd5+ 58. Ke2 Kb7 59. Rxh4 a5 60. Rf4 Kxb6 61. h4 Kb5 62. h5 a4
63. h6 a3 64. h7 Re5+ 65. Kd3 a2 66. h8=Q a1=Q 67. Qb8+ Kc6 68. Qc8+ Kb6
69. Rb4+ 1-0