2010 U.S. Women's Chess Championship - R4 Games

[Event "2010 U.S. Women's and Junior Closed Championships"]
[Site "St. Louis"]
[Date ""]
[Round "round 4"]
[White "IM Irina Krush"]
[Black "WGM Katerina Rohonyan"]
[Result "1-0"]
[Board "1"]
[Input "DGT6645"]
[Owner "St. Louis Chess Club"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 Nhf6 8. Qc2 g6 9. h3 Qc7 10. e4 Nxe4 11. Nxe4 dxe4 12. Ng5 h6 13. Nxe4 Bg7 14. Bc4 Nf6 15. Nxf6+ Bxf6 16. Qb3 e6 17. Be3 Bd7 18. Qc2 Bg7 19. O-O O-O 20. Qd2 Kh7 21. Bf4 Qd8 22. Bd6 Re8 23. Rfe1 a5 24. Re3 b6 25. Rae1 bxc5 26. dxc5 Bc8 27. Qe2 a4 28. Qf3 Qd7 29. b4 axb3 30. Bxb3 Ba6 31. h4 h5 32. g4 Bh6 33. gxh5 Bxe3 34. hxg6+ fxg6 35. Rxe3 e5 36. Bc2 Re6 37. h5 Rxd6 38. cxd6 Kg7 39. Rxe5 Qxd6 40.
Rg5 Rf8 41. Qc3+ Rf6 42. Rxg6+ Kf7 43. Qxf6+ Qxf6 44. Rxf6+ Kxf6 45. h6 c5 46. Kg2 Bc4 47. a4 Ba2 48. Kf3 c4 49. Ke3 1-0

[Event "2010 U.S. Women's and Junior Closed Championships"]
[Site "St. Louis"]
[Date ""]
[Round "round 4"]
[White "WGM Sabina Foisor"]
[Black "WGM Camilla Baginskaite"]
[Result "1/2-1/2"]
[Board "2"]
[Input "DGT4964"]
[Owner "St. Louis Chess Club"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Ne4 9. Nd2 Nxg3 10. hxg3 c5 11. a3 cxd4 12. axb4 dxc3 13. bxc3 Be6 14. e3 Nd7 15. Bb5 Qf6 16. Ra3 O-O 17. Bxd7 Bxd7 18. Nf3 Rfc8 19. Qd4 Qxd4 20. Nxd4 Kg7 21. Kd2 a6 22. Ra5 Be6 23. Rha1 Rab8 24. f4 Rd8 25. f5 Bc8 26. Rc5 Rd6 27. g4 Kf6 28. Raa5 b5 29. Rc7 h5 30. Ra1 hxg4 31. Rh1 Bd7 32. Rh6+ Ke5 33. Rxd6 Kxd6 34. Ra7 Rb6 35. Ke2 f6 36. Kf2 Bc8 37. Rf7 Ke5 38. Re7+ Kd6 39. Re8 Bd7 40. Rd8 Rb7 41. Ra8 Rc7 42. Rxa6+ Ke5 43. Ra3 Bxf5 44. Nxb5 Rb7 45. Nd4 Bd7 46. Ke2 Rc7 47. Kd2 f5 48. Ra1 f4 49. Re1 Kf6 50. Rf1 Ke5 51. Re1 Kf6 52. Rf1 Ke5 53. Re1 1/2-1/2

[Event "2010 U.S. Women's and Junior Closed Championships"]
[Site "St. Louis"]
[Date ""]
[Round "round 4"]
[White "WIM Alisa Melekhina"]
[Black "IM Anna Zatonskih"]
[Result "0-1"]
[Board "3"]
[Input "DGT4948"]
[Owner "St. Louis Chess Club"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bc4 g6 7. Nc3 Bg7 8. O-O O-O 9. Ne4 Nd7 10. f4 N7f6 11. Ng5 e6 12. c3 Qc7 13. Qe1 c5 14. b3 h6 15. Ngf3 cxd4 16. cxd4 Re8 17. Bd2 Bd7 18. Rc1 Qd6 19. Bd3 Rec8 20. Bc4 b5 21. Bd3 Rxc1 22. Bxc1 Be8 23. g4 Ne7 24. Qa5 Nc6 25. Qa6 Rb8 26. g5 Rb6 27. Qa3 Qxa3 28. Bxa3 Nd5 29. Bc5 Rb7 30. Be4 Rb8 31. Bxd5 exd5 32. h4 Nd8 33. b4 Rb7 34. Nh2 Bd7 35. Nxd7 Rxd7 36. Ng4 hxg5 37. fxg5 Ne6 38. Nf6+ Bxf6 39. gxf6 Rc7 40. Re1
Rc6 41. Re5 Nf4 42. Re8+ Kh7 43. Re7 Rxf6 44. Bxa7 Kh6 45. Kh2 Ra6 46. Rxf7 g5 47. hxg5+ Kxg5 48. Bc5 Kg4 49. a3 Rxa3 50. Rg7+ Kf5 51. Re7 Rd3 52. Re1 Kg4 53. Rg1+ Kf3 54. Rf1+ Ke4 55. Rf2 Re3 56. Rf1 Rh3+ 57. Kg1 Rg3+ 58. Kh2 Rh3+ 59. Kg1 Rf3 60. Re1+ Re3 61. Rd1 Nd3 62. Rb1 Re1+ 63. Rxe1+ Nxe1 64. Kf2 Nc2 65. Ke2 Nxd4+ 66. Kd2 Ne6 67. Ke2 d4 68. Be7 Kd5 69. Kd3 Nf4+ 70. Kd2 Kc4 71. Bd6 Nd5 72. Bf8 Nxb4 73. Bd6 Nd5 74. Bf8 Nc3 75. Bg7 b4 76. Kc2 Na4 77. Bf6 Nc5 78. Bg7 b3+ 79. Kd1 Kc3 80. Kc1 b2+ 81. Kb1 Nb3 82. Ka2 Kc2 0-1

Abrahamyan at her most efficient and deadliest.  She dispatched Zenyuk in 36 moves.
[Event "2010 U.S. Women's and Junior Closed Championships"]
[Site "St. Louis"]
[Date ""]
[Round "round 4"]
[White "WIM Iryna Zenyuk"]
[Black "WFM Tatev Abrahamyan"]
[Result "0-1"]
[Board "4"]
[Input "DGT4950"]
[Owner "St. Louis Chess Club"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 Bg7 8. Bg2 d6 9. Nf3 Nbd7 10. Rb1 Qa5 11. O-O Nb6 12. a3 Bb7 13. b4 cxb4 14. axb4 Qa6 15. e4 O-O 16. Nd4 Qc4 17. Bb2 Nfd7 18. Nce2 Ra2 19. Qd2 Ne5 20. Rfc1 Qd3 21. Qxd3 Nxd3 22. Rc7 Nxb2 23. Rxb7 N2c4 24. Bf1 Rfa8 25. Nb3 e6 26. dxe6 fxe6 27. Ned4 Nd2 28. Nxd2 Bxd4 29. Rd1 Rf8 30. Nb3 Bxf2+ 31. Kh1 Be3 32. Nc1 Ra1 33. Bh3 Re8 34. Re1 Nc4 35. Nd3 Ra3 36. Nb2 Nxb2 0-1

[Event "2010 U.S. Women's and Junior Closed Championships"]
[Site "St. Louis"]
[Date ""]
[Round "round 4"]
[White "WFM Abby Marshall"]
[Black "WIM Beatriz Marinello"]
[Result "1/2-1/2"]
[Board "5"]
[Input "DGT4947"]
[Owner "St. Louis Chess Club"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Nxc3 14. bxc3 Qd5 15. Qe2 Rd8 16. O-O Qd3 17. Qe5 Rd5 18. Qc7+ Kf6 19. Qf4+ Qf5 20. Qxf5+ Kxf5 21. Be3 Ba3 22. Rab1 Rc8 23. Rb7 Kf6 24. Rxa7 Rxc3 25. Rb1 Kg6 26. Ra4 Bc5 27. Bxc5 Rdxc5 28. Kg2 Rg5+ 29. Rg4 Ra3 30. Rb2 h5 31. Rg3 Kf6 32. f4 Rga5 33. Rxa3 Rxa3 34. h4 g6 35. f3 Kf5 36. Kg3 Ra5 37. Rc2 f6 38. Rb2 e5 39.
fxe5 fxe5 40. Rc2 Ra3 41. Re2 Ra4 42. Rb2 g5 43. hxg5 h4+ 44. Kh3 Kxg5 45. Rg2+ Kf5 46. Rg8 Rxa2 47. Kxh4 Kf4 48. Rf8+ Ke3 49. Re8 Kd4 50. Rd8+ 1/2-1/2