
[Event "18th Philadelphia Int"]
[Site "Philadelphia USA"]
[Date "2025.06.28"]
[Round "4.1"]
[White "Cordova, E"]
[Black "Sun, Ryan"]
[Result "1/2-1/2"]
[WhiteElo "2516"]
[BlackElo "2346"]
[ECO "A08"]
[PlyCount "168"]
1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 Nf6 5.O-O e6 6.c4 dxc4 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 c3 10.bxc3 O-O 11.Nb3 Be7 12.c4 Bd7 13.Bb2 Rfc8 14.Rab1 Be8 15.Ba1 Rc7 16.Ne5 Nxe5 17.Bxe5 Rxc4 18.Bxb7 Rd8 19.Rdc1 Rxc1+ 20.Rxc1 Ba3 21.Rc2 Ba4 22.Bc7 Rd7 23.Ba6 Nd5 24.Ba5 f6 25.Rc8+ Kf7 26.Nc5 Bxc5 27.Rxc5 Nb6 28.Bd3 Rd5 29.Rc7+ Rd7 30.Rc1 Rd5 31.Rc7+ Rd7 32.Rxd7+ Nxd7 33.Bb4 Bc6 34.f4 f5 35.Kf2 g6 36.Ke3 Bd5 37.a3 e5 38.Ba6 Nb8 39.Bc8 exf4+ 40.Kxf4 Nc6 41.Bc3 h6 42.h4 h5 43.Ba6 Ke6 44.a4 Bb3 45.a5 Bd5 46.Kg5 Kf7 47.Bb7 Ne7 48.a6 Nc6 49.Be1 Bg2 50.Bf2 Be4 51.Bc5 Nd8 52.Bc8 Nc6 53.Kf4 Bd5 54.Bb7 Be4 55.Bxa7 Nxa7 56.Bxe4 fxe4 57.Kxe4 Nb5 58.Kf4 Kf6 59.e4 Kf7 60.e5 Kg7 61.g4 hxg4 62.Kxg4 Kf7 63.Kg5 Kg7 64.Kg4 Kf8 65.Kf3 Ke7 66.Kg3 Ke8 67.Kg4 Kf7 68.Kf4 Kf8 69.Kg5 Kg7 70.e6 Na7 71.e7 Kf7 72.e8=Q+ Kxe8 73.Kxg6 Kf8 74.Kf6 Kg8 75.Ke6 Kg7 76.Kd6 Kg6 77.Kc7 Kh5 78.Kb6 Nc8+ 79.Kb7 Nd6+ 80.Kc7 Nb5+ 81.Kb6 Nd6 82.a7 Nc8+ 83.Kb7 Nxa7 84.Kxa7 Kxh4 1/2-1/2
[Site "Philadelphia USA"]
[Date "2025.06.28"]
[Round "4.1"]
[White "Cordova, E"]
[Black "Sun, Ryan"]
[Result "1/2-1/2"]
[WhiteElo "2516"]
[BlackElo "2346"]
[ECO "A08"]
[PlyCount "168"]
1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 Nf6 5.O-O e6 6.c4 dxc4 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 c3 10.bxc3 O-O 11.Nb3 Be7 12.c4 Bd7 13.Bb2 Rfc8 14.Rab1 Be8 15.Ba1 Rc7 16.Ne5 Nxe5 17.Bxe5 Rxc4 18.Bxb7 Rd8 19.Rdc1 Rxc1+ 20.Rxc1 Ba3 21.Rc2 Ba4 22.Bc7 Rd7 23.Ba6 Nd5 24.Ba5 f6 25.Rc8+ Kf7 26.Nc5 Bxc5 27.Rxc5 Nb6 28.Bd3 Rd5 29.Rc7+ Rd7 30.Rc1 Rd5 31.Rc7+ Rd7 32.Rxd7+ Nxd7 33.Bb4 Bc6 34.f4 f5 35.Kf2 g6 36.Ke3 Bd5 37.a3 e5 38.Ba6 Nb8 39.Bc8 exf4+ 40.Kxf4 Nc6 41.Bc3 h6 42.h4 h5 43.Ba6 Ke6 44.a4 Bb3 45.a5 Bd5 46.Kg5 Kf7 47.Bb7 Ne7 48.a6 Nc6 49.Be1 Bg2 50.Bf2 Be4 51.Bc5 Nd8 52.Bc8 Nc6 53.Kf4 Bd5 54.Bb7 Be4 55.Bxa7 Nxa7 56.Bxe4 fxe4 57.Kxe4 Nb5 58.Kf4 Kf6 59.e4 Kf7 60.e5 Kg7 61.g4 hxg4 62.Kxg4 Kf7 63.Kg5 Kg7 64.Kg4 Kf8 65.Kf3 Ke7 66.Kg3 Ke8 67.Kg4 Kf7 68.Kf4 Kf8 69.Kg5 Kg7 70.e6 Na7 71.e7 Kf7 72.e8=Q+ Kxe8 73.Kxg6 Kf8 74.Kf6 Kg8 75.Ke6 Kg7 76.Kd6 Kg6 77.Kc7 Kh5 78.Kb6 Nc8+ 79.Kb7 Nd6+ 80.Kc7 Nb5+ 81.Kb6 Nd6 82.a7 Nc8+ 83.Kb7 Nxa7 84.Kxa7 Kxh4 1/2-1/2
[Event "18th Philadelphia Int"]
[Site "Philadelphia USA"]
[Date "2025.06.28"]
[Round "4.1"]
[White "Cordova, E"]
[Black "Sun, Ryan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2516"]
[BlackElo "2346"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[EventDate "2025.06.26"]
[WhiteFideId "3801497"]
[BlackFideId "30965659"]
1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 dxc4 7. dxc5 Qxd1
8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 12. c4 Bd7 13. Bb2 Rfc8
14. Rab1 Be8 15. Ba1 Rc7 16. Ne5 Nxe5 17. Bxe5 Rxc4 18. Bxb7 Rd8 19. Rdc1
Rxc1+ 20. Rxc1 Ba3 21. Rc2 Ba4 22. Bc7 Rd7 23. Ba6 Nd5 24. Ba5 f6 25. Rc8+
Kf7 26. Nc5 Bxc5 27. Rxc5 Nb6 28. Bd3 Rd5 29. Rc7+ Rd7 30. Rc1 Rd5 31. Rc7+
Rd7 32. Rxd7+ Nxd7 33. Bb4 Bc6 34. f4 f5 35. Kf2 g6 36. Ke3 Bd5 37. a3 e5
38. Ba6 Nb8 39. Bc8 exf4+ 40. Kxf4 Nc6 41. Bc3 h6 42. h4 h5 43. Ba6 Ke6 44.
a4 Bb3 45. a5 Bd5 46. Kg5 Kf7 47. Bb7 Ne7 48. a6 Nc6 49. Be1 Bg2 50. Bf2
Be4 51. Bc5 Nd8 52. Bc8 Nc6 53. Kf4 Bd5 54. Bb7 Be4 55. Bxa7 Nxa7 56. Bxe4
fxe4 57. Kxe4 Nb5 58. Kf4 Kf6 59. e4 Kf7 60. e5 Kg7 61. g4 hxg4 62. Kxg4
Kf7 63. Kg5 Kg7 64. Kg4 Kf8 65. Kf3 Ke7 66. Kg3 Ke8 67. Kg4 Kf7 68. Kf4 Kf8
69. Kg5 Kg7 70. e6 Na7 71. e7 Kf7 72. e8=Q+ Kxe8 73. Kxg6 Kf8 74. Kf6 Kg8
75. Ke6 Kg7 76. Kd6 Kg6 77. Kc7 Kh5 78. Kb6 Nc8+ 79. Kb7 Nd6+ 80. Kc7 Nb5+
81. Kb6 Nd6 82. a7 Nc8+ 83. Kb7 Nxa7 84. Kxa7 Kxh4 1/2-1/2