
[Event "33rd North American Open"]
[Site "Las Vegas USA"]
[Date "2023.12.28"]
[Round "5.15"]
[White "Koustav, Chatterjee"]
[Black "Tang, Zoey"]
[Result "1-0"]
[WhiteElo "2546"]
[BlackElo "2284"]
[ECO "A06"]
[PlyCount "133"]
1.Nf3 d5 2.e3 c5 3.b3 Nc6 4.Bb2 f6 5.d4 cxd4 6.exd4 Bg4 7.Be2 e6 8.Nbd2 Bd6 9.O-O Nge7 10.Re1 O-O 11.Nf1 Bh5 12.Ne3 Rc8 13.a3 Bf7 14.c4 dxc4 15.bxc4 e5 16.c5 Bb8 17.dxe5 Nxe5 18.Nxe5 Bxe5 19.Bxe5 fxe5 20.Rb1 Qc7 21.Qa4 Nd5 22.Qxa7 Nxe3 23.fxe3 Bd5 24.e4 Bc6 25.Bc4+ Kh8 26.Qb6 Qe7 27.Bd5 Qh4 28.Qb2 Bxd5 29.exd5 Rxc5 30.Qxe5 Qf2+ 31.Kh1 Rc2 32.Qe4 h6 33.h3 Rd2 34.Rbd1 Rf4 35.Qg6 Rxd1 36.Rxd1 Qe2 37.Rc1 Rf1+ 38.Rxf1 Qxf1+ 39.Kh2 Qf4+ 40.Qg3 Qd4 41.Qd6 Kh7 42.Qe6 Qf4+ 43.Kg1 Qc1+ 44.Kf2 Qf4+ 45.Ke2 Qg3 46.Qf5+ Kh8 47.Qf8+ Kh7 48.Qf3 Qe5+ 49.Kd3 Qb2 50.Ke4 Qc2+ 51.Ke5 Qc7+ 52.d6 Qa5+ 53.Ke6 Qe1+ 54.Kf7 Qb1 55.d7 Qg6+ 56.Ke7 Qg5+ 57.Ke6 Qd8 58.Qe4+ Kh8 59.Qf5 Qb6+ 60.Kf7 Qd4 61.Qe6 Qf4+ 62.Ke8 Qa4 63.g3 Qb5 64.g4 Qa4 65.h4 Qb5 66.Kf7 Qf1+ 67.Ke7 1-0
[Site "Las Vegas USA"]
[Date "2023.12.28"]
[Round "5.15"]
[White "Koustav, Chatterjee"]
[Black "Tang, Zoey"]
[Result "1-0"]
[WhiteElo "2546"]
[BlackElo "2284"]
[ECO "A06"]
[PlyCount "133"]
1.Nf3 d5 2.e3 c5 3.b3 Nc6 4.Bb2 f6 5.d4 cxd4 6.exd4 Bg4 7.Be2 e6 8.Nbd2 Bd6 9.O-O Nge7 10.Re1 O-O 11.Nf1 Bh5 12.Ne3 Rc8 13.a3 Bf7 14.c4 dxc4 15.bxc4 e5 16.c5 Bb8 17.dxe5 Nxe5 18.Nxe5 Bxe5 19.Bxe5 fxe5 20.Rb1 Qc7 21.Qa4 Nd5 22.Qxa7 Nxe3 23.fxe3 Bd5 24.e4 Bc6 25.Bc4+ Kh8 26.Qb6 Qe7 27.Bd5 Qh4 28.Qb2 Bxd5 29.exd5 Rxc5 30.Qxe5 Qf2+ 31.Kh1 Rc2 32.Qe4 h6 33.h3 Rd2 34.Rbd1 Rf4 35.Qg6 Rxd1 36.Rxd1 Qe2 37.Rc1 Rf1+ 38.Rxf1 Qxf1+ 39.Kh2 Qf4+ 40.Qg3 Qd4 41.Qd6 Kh7 42.Qe6 Qf4+ 43.Kg1 Qc1+ 44.Kf2 Qf4+ 45.Ke2 Qg3 46.Qf5+ Kh8 47.Qf8+ Kh7 48.Qf3 Qe5+ 49.Kd3 Qb2 50.Ke4 Qc2+ 51.Ke5 Qc7+ 52.d6 Qa5+ 53.Ke6 Qe1+ 54.Kf7 Qb1 55.d7 Qg6+ 56.Ke7 Qg5+ 57.Ke6 Qd8 58.Qe4+ Kh8 59.Qf5 Qb6+ 60.Kf7 Qd4 61.Qe6 Qf4+ 62.Ke8 Qa4 63.g3 Qb5 64.g4 Qa4 65.h4 Qb5 66.Kf7 Qf1+ 67.Ke7 1-0
[Event "33rd North American Open"]
[Site "Las Vegas USA"]
[Date "2023.12.28"]
[Round "5.15"]
[White "Koustav, Chatterjee"]
[Black "Tang, Zoey"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2546"]
[BlackElo "2284"]
[ECO "A06"]
[Opening "Reti opening"]
[EventDate "2023.12.26"]
[WhiteFideId "25073060"]
[BlackFideId "30952530"]
1. Nf3 d5 2. e3 c5 3. b3 Nc6 4. Bb2 f6 5. d4 cxd4 6. exd4 Bg4 7. Be2 e6 8.
Nbd2 Bd6 9. O-O Nge7 10. Re1 O-O 11. Nf1 Bh5 12. Ne3 Rc8 13. a3 Bf7 14. c4
dxc4 15. bxc4 e5 16. c5 Bb8 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bxe5 fxe5 20.
Rb1 Qc7 21. Qa4 Nd5 22. Qxa7 Nxe3 23. fxe3 Bd5 24. e4 Bc6 25. Bc4+ Kh8 26.
Qb6 Qe7 27. Bd5 Qh4 28. Qb2 Bxd5 29. exd5 Rxc5 30. Qxe5 Qf2+ 31. Kh1 Rc2
32. Qe4 h6 33. h3 Rd2 34. Rbd1 Rf4 35. Qg6 Rxd1 36. Rxd1 Qe2 37. Rc1 Rf1+
38. Rxf1 Qxf1+ 39. Kh2 Qf4+ 40. Qg3 Qd4 41. Qd6 Kh7 42. Qe6 Qf4+ 43. Kg1
Qc1+ 44. Kf2 Qf4+ 45. Ke2 Qg3 46. Qf5+ Kh8 47. Qf8+ Kh7 48. Qf3 Qe5+ 49.
Kd3 Qb2 50. Ke4 Qc2+ 51. Ke5 Qc7+ 52. d6 Qa5+ 53. Ke6 Qe1+ 54. Kf7 Qb1 55.
d7 Qg6+ 56. Ke7 Qg5+ 57. Ke6 Qd8 58. Qe4+ Kh8 59. Qf5 Qb6+ 60. Kf7 Qd4 61.
Qe6 Qf4+ 62. Ke8 Qa4 63. g3 Qb5 64. g4 Qa4 65. h4 Qb5 66. Kf7 Qf1+ 67. Ke7
1-0