[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.10"] [Round "6.1"] [White "Yakubboev, Nodirbek"] [Black "Sevian, Samuel"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2630"] [BlackElo "2684"] [ECO "A28"] [Opening "English"] [Variation "four knights, Romanishin variation"] [EventDate "2023.04.05"] [WhiteFideId "14203987"] [BlackFideId "2040506"] 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Ng5 Qe7 8. f3 exf3 9. Nxf3 O-O 10. d4 d5 11. cxd5 Nxd5 12. Kf2 Nf6 13. Bd3 Ng4+ 14. Ke2 Re8 15. Re1 Nf6 16. Kf1 Bg4 17. e4 Bxf3 18. gxf3 Nd5 19. Re2 Nb6 20. Rg2 Qd7 21. Bh6 g6 22. Bg5 Na5 23. Qf2 Nbc4 24. h4 Re6 25. h5 Rb6 26. Re1 Rb2 27. Qh4 Re8 28. Rxb2 Nxb2 29. Be2 Re6 30. Kf2 Na4 31. Rc1 Rb6 32. Bh6 Nb2 33. Rb1 f6 34. Rxb2 g5 35. Rxb6 gxh4 36. Rxf6 Qd8 37. e5 c5 38. d5 c4 39. f4 b5 40. Bg4 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.10"] [Round "6.2"] [White "Quesada Perez, Ya"] [Black "Bok, B"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2601"] [BlackElo "2607"] [ECO "C77"] [Opening "Ruy Lopez"] [Variation "Anderssen variation"] [EventDate "2023.04.05"] [WhiteFideId "3509362"] [BlackFideId "1017063"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. O-O b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O 11. Bg5 h6 12. Bh4 g5 13. Nxg5 hxg5 14. Bxg5 Kg7 15. Qf3 Rh8 16. Bd5 Bd7 17. b4 Bb6 18. Na3 Qe7 19. Nc2 Nxd5 20. Bxe7 Ndxe7 21. d4 Rh6 22. Qg3+ Rg6 23. Qe3 Rh8 24. f4 exd4 25. Nxd4 Nxd4 26. cxd4 f5 27. Ra6 Bc6 28. Rf3 Bxe4 29. Rg3 Nd5 30. Rxg6+ Kxg6 31. Qd2 Rh4 32. Rxb6 cxb6 33. Qc1 Rh8 34. Qc6 Rd8 35. h3 Nf6 36. Qxb6 Rc8 37. g4 fxg4 38. hxg4 Nxg4 39. Qxd6+ Kh5 40. Kf1 Bf3 41. Ke1 Rc2 42. Qe7 Re2+ 43. Qxe2 Bxe2 44. Kxe2 Nf6 45. Ke3 Kg4 46. d5 Kf5 47. Kd3 Kxf4 48. Kd4 Ne4 49. d6 Nxd6 50. Kc5 Ke5 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.10"] [Round "6.3"] [White "Yoo, Christopher Woojin"] [Black "Swiercz, D"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2637"] [ECO "E04"] [Opening "Catalan"] [Variation "open, 5.Nf3"] [EventDate "2023.04.05"] [WhiteFideId "30909694"] [BlackFideId "1126881"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 b6 8. a3 Bxd2+ 9. Nbxd2 b5 10. a4 c6 11. b3 cxb3 12. Nxb3 O-O 13. O-O Ba6 14. axb5 Bxb5 15. Rfd1 Nbd7 16. Ne5 a4 17. Nd2 Bxe2 18. Re1 Bb5 19. Nxc6 Rc8 20. Qxa4 Bxc6 21. Bxc6 Nb6 22. Qb5 Qxd4 23. Rad1 Nbd5 24. Ne4 Qb4 25. Nxf6+ gxf6 26. Qa6 Qd6 27. Rc1 Rc7 28. Rc4 Ne7 29. Rg4+ Ng6 30. Bb5 Qxa6 31. Bxa6 Rd8 32. h4 Kf8 33. Rb4 Ne5 34. Kg2 Rd6 35. Bf1 Rd2 36. Rbe4 Kg7 37. R1e2 Rd1 38. Re1 Rd2 39. R1e2 Rcc2 40. Rxd2 Rxd2 41. g4 Ra2 42. h5 h6 43. Be2 Nc6 44. Bd3 Rd2 45. Re3 Rb2 46. Be4 Nd4 47. Ra3 Rb4 48. Kg3 Nb5 49. Re3 Nd6 50. Bd3 Rb3 51. Kf3 f5 52. gxf5 e5 53. Bc2 Rxe3+ 54. Kxe3 Kf6 55. f4 Nxf5+ 56. Ke4 Ng3+ 57. Kf3 Nxh5 58. fxe5+ Kxe5 59. Kg4 Ng7 60. Kf3 f5 61. Kg3 Nh5+ 62. Kh4 Nf6 63. Kg3 f4+ 64. Kf3 h5 65. Bg6 h4 66. Kg2 Nd5 67. Be8 Kf5 68. Bd7+ Kg5 69. Kf3 Ne3 70. Bh3 Nc4 71. Ke2 Ne5 72. Kf2 Kf6 73. Kg2 Kg6 74. Bc8 Kg5 75. Kf2 Ng4+ 76. Kg2 Ne3+ 77. Kf3 Nf5 78. Kg2 Kg4 79. Kf2 Kg5 80. Kg2 Nd4 81. Bb7 Nb5 82. Bc8 Nd6 83. Bd7 Nf7 84. Bc8 Ne5 85. Kf2 Kh5 86. Kg2 Kh6 87. Bh3 Nf7 88. Kf3 Kg5 89. Bc8 Nd6 90. Bd7 Nf5 91. Kg2 Kg4 92. Kf2 h3 93. Be6 Kg5 94. Bc8 Kf6 95. Kg1 f3 96. Kh2 f2 97. Ba6 Kg5 98. Kxh3 Kf4 99. Kg2 Ke3 100. Bb5 Nd4 101. Ba6 Ne2 102. Bb5 Nc3 103. Ba6 Ne4 104. Bb5 Nc3 105. Ba6 Nd1 106. Bb5 Nc3 107. Ba6 Nd5 108. Bb5 Nf4+ 109. Kg3 Nh5+ 110. Kg2 Nf6 111. Ba6 Ng4 112. Bb5 Ne5 113. Ba6 Nf3 114. Bb5 Ne1+ 115. Kg3 Nc2 116. Kg2 Na1 117. Bc4 Nc2 118. Ba6 Nb4 119. Bb5 Na2 120. Bc4 Nc3 121. Ba6 Nd1 122. Bb5 Kd2 123. Kf1 Ke3 124. Kg2 Kd2 125. Kf1 Nc3 126. Kxf2 Nxb5 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.10"] [Round "6.4"] [White "Mishra, Abhimanyu"] [Black "Nyzhnyk, I"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2550"] [BlackElo "2644"] [ECO "C43"] [Opening "Petrov"] [Variation "modern attack, Symmetrical variation"] [EventDate "2023.04.05"] [WhiteFideId "30920019"] [BlackFideId "14118084"] 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 Bc5 5. Bc4 Nxf2 6. Bxf7+ Kxf7 7. Qd5+ Kg6 8. Qxc5 Nxh1 9. Nc3 h6 10. Qc4 Nc6 11. Nd5 d6 12. e6 Kh7 13. Qe4+ Kg8 14. e7 Qe8 15. Be3 Bd7 16. Nxc7 Qxe7 17. Qxe7 Nxe7 18. Nxa8 Kf7 19. Nc7 Rc8 20. O-O-O Rxc7 21. Bxa7 Be6 22. b3 Bf5 23. Nd4 Be4 24. Rxh1 Bxg2 25. Rg1 Bd5 26. Kd2 Rd7 27. Bb6 Nc6 28. c4 Be4 29. a4 g5 30. a5 Nxd4 31. Bxd4 Kg6 32. b4 Rc7 33. Rc1 h5 34. b5 h4 35. a6 bxa6 36. bxa6 Rc6 37. Ke3 Bg2 38. Kf2 h3 39. a7 Ra6 40. Ra1 Rxa1 41. Bxa1 Kf5 42. Kg3 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.10"] [Round "6.5"] [White "Gledura, B"] [Black "Dardha, Daniel"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2625"] [ECO "D35"] [Opening "QGD"] [Variation "exchange variation"] [EventDate "2023.04.05"] [WhiteFideId "712779"] [BlackFideId "240990"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Rd1 b6 12. Bd3 Nc6 13. Bb5 Bb7 14. O-O Rc8 15. Qe2 Qe7 16. Rd2 Rfd8 17. Rfd1 h6 18. h4 Nb4 19. Qe3 a6 20. Bf1 b5 21. h5 Qf6 22. Qb3 Nc6 23. d5 exd5 24. exd5 Na5 25. Qe3 Nc4 26. Bxc4 bxc4 27. d6 c3 28. Rc2 Rxd6 29. Rxd6 Qxd6 30. Rxc3 Rxc3 31. Qxc3 Qe6 32. Qc7 Bxf3 33. gxf3 Qf5 34. a4 Kh7 35. Qc4 Qg5+ 36. Kf1 Qxh5 37. Qxa6 Qxf3 38. Qb5 h5 39. a5 h4 40. Qg5 Qh1+ 41. Ke2 Qe4+ 42. Kf1 g6 43. Kg1 Qe1+ 44. Kg2 h3+ 45. Kh2 Kg7 46. Qc5 Qf1 47. Qc3+ Kg8 48. Qc8+ Kg7 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.11"] [Round "7.1"] [White "Dardha, Daniel"] [Black "Yakubboev, Nodirbek"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2625"] [BlackElo "2630"] [ECO "A45"] [Opening "Trompovsky attack (Ruth, Opovcensky opening)"] [EventDate "2023.04.05"] [WhiteFideId "240990"] [BlackFideId "14203987"] 1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 gxf6 5. dxc5 Nc6 6. Nf3 e5 7. Be2 Bxc5 8. O-O Be6 9. Nc3 a6 10. Qc1 Ne7 11. Rd1 Qc7 12. e4 d4 13. Na4 Ba7 14. b3 Ng6 15. c4 Nf4 16. Bf1 Bg4 17. Nh4 Bxd1 18. Qxd1 d3 19. g3 Rg8 20. Nf5 Rd8 21. Qd2 Bd4 22. Rd1 Qc6 23. Nxd4 Rxd4 24. Nc3 b5 25. cxb5 axb5 26. Rc1 b4 27. Nb5 Qxb5 28. Rc8+ Rd8 29. Rc7 Ne2+ 30. Kg2 f5 31. Qh6 Nf4+ 32. Kg1 Ne6 33. Ra7 Qb6 34. Rxf7 Kxf7 35. exf5 d2 36. Qxh7+ Rg7 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.11"] [Round "7.2"] [White "Nyzhnyk, I"] [Black "Gledura, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2644"] [ECO "D73"] [Opening "Neo-Gruenfeld, 5.Nf3"] [EventDate "2023.04.05"] [WhiteFideId "14118084"] [BlackFideId "712779"] 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 c6 6. Qb3 a5 7. Nc3 a4 8. Qb4 dxc4 9. Qxc4 O-O 10. Ne5 Nfd7 11. Nxd7 Nxd7 12. Be3 Qa5 13. Bd2 Nb6 14. Qd3 Qh5 15. h3 Rd8 16. Bf3 Qf5 17. Qxf5 Bxf5 18. g4 Be6 19. e3 Nc4 20. O-O-O c5 21. d5 Bd7 22. Kc2 Rab8 23. Bc1 b5 24. Ne4 b4 25. Kb1 Bb5 26. Bg2 b3 27. a3 Nxa3+ 28. bxa3 b2 29. Bxb2 Bxb2 30. Kc2 Bc4 31. Rb1 Bxa3 32. Rxb8 Rxb8 33. Nd2 Ba2 34. Ra1 Bb3+ 35. Nxb3 axb3+ 36. Kc3 Bb4+ 37. Kxb3 Be1+ 38. Kc2 Bxf2 39. Ra7 Re8 40. d6 exd6 41. Bd5 Rxe3 42. Rxf7 Re5 43. Rf5+ Kg7 44. Rxe5 dxe5 45. Kd3 Kf6 46. Ke4 Bd4 47. Kf3 h6 48. Bc4 Ke7 49. Ke4 Kd6 50. Bf7 g5 51. Kd3 Kc6 52. Kc4 Kb6 53. Bd5 Ka5 54. Bc6 Bf2 55. Kb3 Kb6 56. Be4 Kb5 57. Bd3+ Ka5 58. Be4 Kb5 59. Bd3+ c4+ 60. Bxc4+ Kc5 61. Ba6 Kd4 62. Kc2 Ke3 63. Bb7 Ke2 64. Bc6 Bd4 65. Bb7 Ke3 66. Ba8 e4 67. Bb7 Kf4 68. Kd1 e3 69. Ke2 Kg3 70. Bc6 Kxh3 71. Bd7 Kh4 72. Be6 h5 73. gxh5 Kxh5 74. Kf3 Kh4 75. Bf5 g4+ 76. Bxg4 e2 77. Kxe2 Kxg4 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.11"] [Round "7.3"] [White "Swiercz, D"] [Black "Mishra, Abhimanyu"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2637"] [BlackElo "2550"] [ECO "B99"] [Opening "Sicilian"] [Variation "Najdorf, 7...Be7 main line"] [EventDate "2023.04.05"] [WhiteFideId "1126881"] [BlackFideId "30920019"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 h6 11. Bxf6 Bxf6 12. h4 Nb6 13. g5 Bxd4 14. Rxd4 Qc5 15. Rd3 Bd7 16. gxh6 Rxh6 17. a3 O-O-O 18. Qg4 Rg6 19. Qd1 Qf2 20. Rf3 Qc5 21. Rd3 Qf2 22. Rxd6 Qxf4+ 23. Qd2 Qxd2+ 24. Rxd2 Bc6 25. Rf2 Rf8 26. h5 Rg5 27. h6 gxh6 28. Rxh6 Kd7 29. Bd3 Ke7 30. Ne2 Nd7 31. Nd4 Ne5 32. Nf3 Nxf3 33. Rxf3 Rfg8 34. Rh7 R8g7 35. Rxg7 Rxg7 36. Re3 f6 37. e5 fxe5 38. Rxe5 Kd6 39. Re1 e5 40. Be4 Bxe4 41. Rxe4 Kd5 42. Re2 Rh7 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.11"] [Round "7.4"] [White "Bok, B"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2607"] [ECO "D30"] [Opening "Queen's gambit declined"] [EventDate "2023.04.05"] [WhiteFideId "1017063"] [BlackFideId "30909694"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. e3 exd5 11. O-O Nc6 12. Nxc6 bxc6 13. Rc1 Rb8 14. Bxb4 Qxb4 15. b3 Be6 16. Nc3 c5 17. Ne2 Rfc8 18. Nf4 c4 19. bxc4 Rxc4 20. Qd1 Rxc1 21. Rxc1 Bg4 22. Qc2 d4 23. h3 Bd7 24. exd4 Qxd4 25. Qc7 Qb6 26. Nd5 Qxc7 27. Rxc7 Be6 28. Rc5 Rb1+ 29. Kh2 Nxd5 30. Bxd5 a4 31. Bxe6 fxe6 32. Ra5 Rb2 33. Rxa4 Rxf2+ 34. Kg1 Rb2 35. Ra7 h6 36. a4 Ra2 37. Re7 Rxa4 38. Rxe6 Ra3 39. Kg2 Kf7 40. Rb6 Ra2+ 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.11"] [Round "7.5"] [White "Sevian, Samuel"] [Black "Quesada Perez, Ya"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2684"] [BlackElo "2601"] [ECO "D15"] [Opening "QGD Slav"] [Variation "4.Nc3"] [EventDate "2023.04.05"] [WhiteFideId "2040506"] [BlackFideId "3509362"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 Nhf6 8. Bf4 Nh5 9. Bd2 Nhf6 10. Qc2 g6 11. g3 Bg7 12. Bg2 O-O 13. O-O Re8 14. Na4 a5 15. Rfd1 h6 16. h3 Ne4 17. Be3 f5 18. h4 Ra6 19. Qc1 Kh7 20. Bf4 Nf8 21. Be5 Bf6 22. Bf4 Bg7 23. Bh3 Be6 24. Rd3 Nd7 25. Rb3 Ra7 26. Qe3 Bf7 27. h5 e5 28. hxg6+ Bxg6 29. dxe5 Nxe5 30. Bxe5 Rxe5 31. Nxe5 Bxe5 32. Rd1 Qf6 33. f4 Bc7 34. Nc3 a4 35. Rb4 Qf8 36. Rxa4 Rxa4 37. Nxa4 Bd8 38. Rd3 Be7 39. Kh2 Qa8 40. Rb3 Kg8 41. Qd4 Qa6 42. Nc3 Bxc5 43. Qe5 Nd6 44. Qf6 Bf7 45. Bxf5 d4 46. Bd3 Qa5 47. Ne4 Nxe4 48. Bxe4 Bxb3 49. axb3 Qc7 50. Qxh6 Qg7 51. Qxg7+ Kxg7 52. g4 Bb4 53. g5 Bd2 54. Kg3 Bc1 55. Kg4 Bxb2 56. f5 Kf7 57. Bd3 b5 58. Be4 c5 59. Bd5+ Ke7 60. f6+ Kd6 61. Kf5 d3 62. exd3 Kxd5 63. g6 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.12"] [Round "8.1"] [White "Yakubboev, Nodirbek"] [Black "Quesada Perez, Ya"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2630"] [BlackElo "2601"] [ECO "A28"] [Opening "English"] [Variation "four knights, 4.e3"] [EventDate "2023.04.05"] [WhiteFideId "14203987"] [BlackFideId "3509362"] 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Be7 5. Qb3 O-O 6. Be2 a6 7. O-O Rb8 8. a3 b5 9. cxb5 axb5 10. Nxb5 e4 11. Ne1 Na7 12. Qa4 Nxb5 13. Bxb5 c5 14. Nc2 d5 15. b4 Qc7 16. Be2 Ng4 17. Bxg4 Bxg4 18. Bb2 Be2 19. Bc3 Bc4 20. Ne1 Bxf1 21. Kxf1 d4 22. exd4 Ra8 23. Qc2 cxb4 24. Bxb4 Qb7 25. Bxe7 Qxe7 26. d3 Rfd8 27. dxe4 Rxd4 28. Nf3 Rxe4 29. Ng5 Rh4 30. Qc6 Re8 31. h3 Rh6 32. Qa4 Rb6 33. Nf3 Reb8 34. Qc2 Rb2 35. Qd3 Qa7 36. Nd2 Qc7 37. Ne4 R2b3 38. Qd4 h6 39. Nd2 Rxa3 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.12"] [Round "8.2"] [White "Yoo, Christopher Woojin"] [Black "Sevian, Samuel"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2684"] [ECO "A08"] [Opening "Reti"] [Variation "King's Indian attack"] [EventDate "2023.04.05"] [WhiteFideId "30909694"] [BlackFideId "2040506"] 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. a3 cxd4 7. Nxd4 Bc5 8. Nxc6 bxc6 9. b4 Be7 10. c4 O-O 11. Nc3 Bb7 12. Be3 a5 13. b5 cxb5 14. cxb5 Rc8 15. Na4 Nd7 16. Qb3 Nc5 17. Nxc5 Bxc5 18. Rac1 Qb6 19. Rxc5 Rxc5 20. Bxc5 Qxc5 21. Qa4 Rc8 22. Qxa5 Ra8 23. Qb4 Qxb4 24. axb4 Ra4 25. Rb1 Kf8 26. b6 Ra6 27. b5 Rxb6 28. e3 Bc6 29. Bf1 Bd7 30. f4 Ke7 31. Kf2 Kd6 32. Bd3 h6 33. Ke2 Kc5 34. Rc1+ Kd6 35. Rb1 Rb7 36. Ra1 Bxb5 37. Bxb5 Rxb5 38. Ra7 Rb2+ 39. Kd3 Rb3+ 40. Ke2 Rb2+ 41. Kd3 Rxh2 42. Rxf7 g5 43. fxg5 hxg5 44. Rg7 Ra2 45. Rg6 Ra4 46. Ke2 g4 47. Rg8 Ke5 48. Kd3 Rb4 49. Kc3 Rc4+ 50. Kd3 Ra4 51. Rg5+ Kf6 52. Rg8 e5 53. Rf8+ Ke7 54. Rf5 Ke6 55. Rh5 Ra3+ 56. Ke2 Ra2+ 57. Kd3 Ra3+ 58. Ke2 Ra2+ 59. Kd3 Rg2 60. Rh6+ Ke7 61. Rg6 Rxg3 62. Ke2 Rg2+ 63. Ke1 g3 64. Kf1 Rf2+ 65. Ke1 Rf3 66. Ke2 Rf2+ 67. Ke1 Rf3 68. Ke2 e4 69. Rg8 Kf6 70. Rg4 Ke5 71. Rg5+ Kd6 72. Rg8 Ke5 73. Rg5+ Ke6 74. Rg6+ Kf5 75. Rg8 Rf2+ 76. Ke1 Rf3 77. Ke2 d4 78. exd4 Kf4 79. Rf8+ Kg4 80. Rg8+ Kh3 81. Rh8+ Kg4 82. Rg8+ Kh3 83. Rh8+ Kg2 84. d5 Rd3 85. Rd8 Kh2 86. d6 g2 87. Rh8+ Kg3 88. Rg8+ Kh2 89. Rh8+ Rh3 90. Rxh3+ Kxh3 91. d7 g1=Q 92. d8=Q Qg4+ 93. Kf1 Qf4+ 94. Ke2 Qg4+ 95. Kf1 e3 96. Qh8+ Kg3 97. Qe5+ Qf4+ 98. Qxf4+ Kxf4 99. Ke2 Ke4 100. Ke1 Kd3 101. Kd1 e2+ 102. Ke1 Ke3 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.12"] [Round "8.3"] [White "Mishra, Abhimanyu"] [Black "Bok, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2550"] [BlackElo "2607"] [ECO "E15"] [Opening "Queen's Indian"] [Variation "Nimzovich variation (exaggerated fianchetto)"] [EventDate "2023.04.05"] [WhiteFideId "30920019"] [BlackFideId "1017063"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5 exd5 9. Bg2 O-O 10. O-O Re8 11. Ne5 Bb7 12. Rc1 Nbd7 13. Bf4 Nf8 14. h4 h6 15. e3 Ne6 16. Ng4 Nxf4 17. Nxf6+ Bxf6 18. exf4 c6 19. Qd2 Qd6 20. Rfe1 Rxe1+ 21. Rxe1 Qb4 22. Rd1 Kf8 23. Bf3 Re8 24. Qd3 Bc8 25. Ne2 Kg8 26. Kg2 Qd6 27. Rc1 Be6 28. f5 Bd7 29. Nc3 Qa3 30. Rh1 Bc8 31. Rb1 Ba6 32. Qd2 Qb4 33. Rd1 Kf8 34. Qb2 Bc8 35. Qc2 Bxf5 36. Qxf5 Qxc3 37. Qf4 Kg8 38. Rc1 Qxd4 39. Qxd4 Bxd4 40. Rxc6 Rd8 41. Bg4 Kf8 42. a4 a5 43. Rc8 Rxc8 44. Bxc8 Ke7 45. h5 Kd6 46. Kf3 g6 47. g4 Bc5 48. Ke2 Ke5 49. Bd7 Bf8 50. Be8 f5 51. f3 gxh5 52. gxh5 Kd4 53. Bf7 Bc5 54. Be6 Ke5 55. Bf7 Kd4 56. Be6 Ke5 57. Bf7 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.12"] [Round "8.4"] [White "Gledura, B"] [Black "Swiercz, D"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2637"] [ECO "A20"] [Opening "English opening"] [EventDate "2023.04.05"] [WhiteFideId "712779"] [BlackFideId "1126881"] 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 Bc5 9. O-O e3 10. fxe3 Bxe3+ 11. Kh1 Ng4 12. Nc3 O-O 13. Nde4 d5 14. cxd5 Bxc1 15. Qxc1 Ne3 16. Rf3 Nxd5 17. Qd2 Qd8 18. Raf1 Nd7 19. Nxd5 cxd5 20. Nc3 d4 21. Nd5 Ne5 22. Rf4 Nc6 23. Nf6+ gxf6 24. Rh4 Re8 25. Qh6 f5 26. Be4 Rxe4 27. dxe4 Ra5 28. Rh5 f6 29. Qxh7+ Kf8 30. Rh6 Re5 31. Qg6 Ke7 32. Qxf6+ Kd7 33. Qd6+ Ke8 34. Rh8+ 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.12"] [Round "8.5"] [White "Dardha, Daniel"] [Black "Nyzhnyk, I"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2625"] [BlackElo "2644"] [ECO "C00"] [Opening "French"] [Variation "King's Indian attack"] [EventDate "2023.04.05"] [WhiteFideId "240990"] [BlackFideId "14118084"] 1. e4 e6 2. d3 c5 3. Nf3 d5 4. Qe2 Nf6 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. a4 b6 9. Bf4 Ba6 10. e5 Nd7 11. h4 Re8 12. Re1 f6 13. exf6 Bxf6 14. Nc3 e5 15. Ng5 Nb4 16. Nxd5 exf4 17. Ne6 Qc8 18. Qg4 Nxd5 19. Bxd5 Kh8 20. Bxa8 Ne5 21. Rxe5 Bxe5 22. Bd5 fxg3 23. fxg3 Qd7 24. c4 Bb7 25. Bxb7 Qxe6 26. Qxe6 Rxe6 27. a5 Bxb2 28. axb6 Bxa1 29. bxa7 Bd4+ 30. Kg2 Re2+ 31. Kh3 Ra2 32. a8=R+ Rxa8 33. Bxa8 g6 34. h5 Kg7 35. hxg6 hxg6 36. Kg4 Kf6 37. Bd5 g5 38. Be4 Be5 39. Bd5 Bd4 40. Be4 Be5 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.13"] [Round "9.1"] [White "Nyzhnyk, I"] [Black "Yakubboev, Nodirbek"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2630"] [ECO "E73"] [Opening "King's Indian"] [Variation "Averbakh system"] [EventDate "2023.04.05"] [WhiteFideId "14118084"] [BlackFideId "14203987"] 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 c5 8. dxc5 Qa5 9. Bd2 Qxc5 10. Nf3 Bg4 11. Be3 Qa5 12. O-O Nc6 13. a3 Rfc8 14. b4 Qd8 15. Qb3 a5 16. Rac1 axb4 17. axb4 Nd7 18. Rfd1 Nde5 19. Nd5 Bxf3 20. Bxf3 Nxf3+ 21. gxf3 Ne5 22. Nb6 Nxf3+ 23. Kg2 Nh4+ 24. Kf1 Rab8 25. c5 Rc7 26. Nd5 Rcc8 27. Nb6 Rc6 28. b5 Rxb6 29. cxb6 Qd7 30. Bd4 Qg4 31. Qg3 Qxe4 32. Bxg7 Kxg7 33. Re1 Qh1+ 34. Ke2 Qe4+ 35. Kf1 Qh1+ 36. Ke2 Qe4+ 37. Kf1 Qh1+ 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.13"] [Round "9.2"] [White "Swiercz, D"] [Black "Dardha, Daniel"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2637"] [BlackElo "2625"] [ECO "A37"] [Opening "English"] [Variation "symmetrical variation"] [EventDate "2023.04.05"] [WhiteFideId "1126881"] [BlackFideId "240990"] 1. Nf3 g6 2. g3 c5 3. c4 Bg7 4. Bg2 Nc6 5. Nc3 d6 6. O-O Qd7 7. e3 Bxc3 8. dxc3 b6 9. e4 Bb7 10. e5 O-O-O 11. exd6 exd6 12. b4 Nge7 13. a4 Ne5 14. a5 Qf5 15. Bf4 g5 16. Bxe5 dxe5 17. Qe2 cxb4 18. axb6 Nc6 19. bxa7 Kc7 20. cxb4 e4 21. Nd2 Nd4 22. Qh5 Qg6 23. Qxg6 hxg6 24. Nxe4 Rxh2 25. f3 Rhh8 26. Ra2 Rhe8 27. Nxg5 Ne2+ 28. Kh2 f6 29. Nh3 Nc3 30. Ra3 Nd1 31. a8=Q Bxa8 32. Rxa8 Rxa8 33. Rxd1 g5 34. Rd2 Ra4 35. Rb2 Rb8 36. Nf2 Rbxb4 37. Rxb4 Rxb4 38. Ne4 Rxc4 39. Nxf6 Rc6 40. Ne4 Rg6 41. Bh3 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.13"] [Round "9.3"] [White "Bok, B"] [Black "Gledura, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2644"] [ECO "D13"] [Opening "QGD Slav"] [Variation "exchange variation"] [EventDate "2023.04.05"] [WhiteFideId "1017063"] [BlackFideId "712779"] 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. e3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Bd3 Nb4 11. Bb1 Bd6 12. Bg5 h6 13. Bh4 Rc8 14. O-O O-O 15. Rc1 Be7 16. Bg3 Bd6 17. Bh4 Be7 18. Bg3 Bd6 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.13"] [Round "9.4"] [White "Sevian, Samuel"] [Black "Mishra, Abhimanyu"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2684"] [BlackElo "2550"] [ECO "D11"] [Opening "QGD Slav"] [Variation "4.e3"] [EventDate "2023.04.05"] [WhiteFideId "2040506"] [BlackFideId "30920019"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Qc2 Nbd7 6. b3 b6 7. Bb2 Bb7 8. Nc3 Rc8 9. Rd1 Bb4 10. a3 Bxc3+ 11. Qxc3 O-O 12. Be2 c5 13. O-O dxc4 14. Bxc4 Qe7 15. d5 exd5 16. Bxd5 Bxd5 17. Rxd5 Rfd8 18. Nh4 b5 19. Rg5 g6 20. Rd5 Qe6 21. Rd2 b4 22. axb4 cxb4 23. Qxb4 Ne4 24. Rd4 Ndc5 25. Rfd1 Re8 26. Rd5 f6 27. f3 Ng5 28. e4 Qb6 29. Qxb6 axb6 30. Bxf6 Nge6 31. b4 Na4 32. Rd7 Nc3 33. Re1 Rc4 34. Rb7 b5 35. Bxc3 Rxc3 36. Rxb5 Ra8 37. Ra5 Rxa5 38. bxa5 Ra3 39. Rd1 Rxa5 40. Rd2 Kg7 41. Kf2 Kf6 42. g3 Ra3 43. Ng2 Ng5 44. Ne1 Rc3 45. h4 Ne6 46. Ng2 Nc5 47. Nf4 Rc4 48. Rd6+ Ke5 49. Rd5+ Kf6 50. g4 Nxe4+ 51. fxe4 Rxe4 52. Kf3 Re7 53. Rd6+ Kf7 54. Nh3 Ra7 55. Ng5+ Kg7 56. Ne4 Rf7+ 57. Kg3 Rc7 58. Rb6 Re7 59. Nc5 Re1 60. Rb7+ Kg8 61. Kf4 h5 62. gxh5 gxh5 63. Ne4 Kf8 64. Ng3 Rc1 65. Nxh5 Rc4+ 66. Kg5 Rc5+ 67. Kg6 Rc4 68. Rf7+ Ke8 69. Nf6+ Kd8 70. Rd7+ Kc8 71. h5 Rc1 72. Rd5 Rg1+ 73. Rg5 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.13"] [Round "9.5"] [White "Quesada Perez, Ya"] [Black "Yoo, Christopher Woojin"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2601"] [BlackElo "2607"] [ECO "B47"] [Opening "Sicilian"] [Variation "Taimanov (Bastrikov) variation"] [EventDate "2023.04.05"] [WhiteFideId "3509362"] [BlackFideId "30909694"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Be7 8. Kh1 O-O 9. f4 d6 10. Be3 a6 11. Qe1 Nxd4 12. Bxd4 b5 13. Qg3 Bb7 14. a3 Rad8 15. Rae1 Rd7 16. Bd3 Rc8 17. Rf3 Qd8 18. Qh3 g6 19. Rg3 e5 20. fxe5 dxe5 21. Bxe5 Rc5 22. Nd5 Bxd5 23. exd5 Rdxd5 24. Rge3 Bd6 25. b4 Bxe5 26. bxc5 Bf4 27. R3e2 Rh5 28. Qf3 Bxh2 29. g4 Rh4 30. Rxh2 Nxg4 31. Rxh4 Qxh4+ 32. Kg2 Qxe1 33. Qxg4 Qd2+ 34. Kf1 Qc3 35. Qb4 Qf6+ 36. Ke2 Qe5+ 37. Kd1 Qe3 38. Qa5 Qg1+ 39. Ke2 Qg2+ 40. Ke3 Qg5+ 41. Kf3 Qh5+ 42. Kg2 Qg4+ 43. Kf2 Qf4+ 44. Ke2 Qg4+ 45. Kd2 Qg5+ 46. Kc3 Qxc5+ 47. Kb2 Qd4+ 48. Kb1 Qd6 49. a4 bxa4 50. Qxa4 Qb6+ 51. Ka2 a5 52. Qe8+ Kg7 53. Qe5+ Qf6 54. Qxa5 h5 55. Bc4 h4 56. Qc7 h3 57. Qg3 Qc6 58. Kb3 Qg2 59. Qe5+ Kh7 60. Bd5 Qf2 61. c4 h2 62. Bh1 Qg1 63. Qd5 Qb6+ 64. Kc2 Qf2+ 65. Kd3 Qf1+ 66. Kd4 Qg1+ 67. Ke5 Qg5+ 68. Kd6 Qd8+ 69. Kc6 Qc8+ 70. Kb5 Qb8+ 71. Qb7 Qe8+ 72. Qc6 Qe2 73. Kb6 Qb2+ 74. Ka6 Qa3+ 75. Kb7 Qb4+ 76. Kc8 Qf8+ 77. Kd7 f5 78. Qd6 Qh6 79. c5 Qh3 80. c6 f4+ 81. Qe6 Qd3+ 82. Qd5 Qh3+ 83. Kd8 Qh4+ 84. Kc8 Qf6 85. c7 Qh8+ 86. Kb7 Qb2+ 87. Ka7 Qa1+ 88. Kb8 Qb2+ 89. Qb7 Qe5 90. Qb4 Kh6 91. Kb7 Qa1 92. Qxf4+ Kg7 93. Qe4 Qb2+ 94. Kc8 Qa1 95. Kd7 Qd1+ 96. Ke7 Qc1 97. Qe5+ Kg8 98. Bd5+ Kh7 99. Qxh2+ Kg7 100. Qe5+ 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.05"] [Round "1.1"] [White "Yoo, Christopher Woojin"] [Black "Yakubboev, Nodirbek"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2630"] [ECO "B38"] [Opening "Sicilian"] [Variation "accelerated fianchetto, Maroczy bind, 6.Be3"] [EventDate "2023.04.05"] [WhiteFideId "30909694"] [BlackFideId "14203987"] 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Qb6 7. Nb3 Qd8 8. Qd2 Nf6 9. Nc3 d6 10. f3 Be6 11. Nd5 Nd7 12. Be2 a5 13. O-O a4 14. Nd4 Bxd5 15. cxd5 Nxd4 16. Bxd4 Bxd4+ 17. Qxd4 O-O 18. Rac1 Qa5 19. f4 Rfc8 20. Bg4 Qb5 21. h4 h5 22. Bf3 Rc5 23. Rxc5 Qxc5 24. Qxc5 Nxc5 25. Rd1 Ra5 26. Kf2 Rb5 27. Rd2 Rb4 28. Ke3 Rc4 29. Rd4 Rc2 30. Rd2 Rc4 31. Rd4 Rc2 32. Rd2 Rc1 33. Rd1 Rc4 34. Rd4 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.05"] [Round "1.2"] [White "Mishra, Abhimanyu"] [Black "Quesada Perez, Ya"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2550"] [BlackElo "2601"] [ECO "B40"] [Opening "Sicilian defence"] [EventDate "2023.04.05"] [WhiteFideId "30920019"] [BlackFideId "3509362"] 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. Bd3 d5 5. e5 Nfd7 6. Bc2 d4 7. Qe2 Nc6 8. Ba4 Qc7 9. O-O b6 10. d3 Bb7 11. Bf4 a6 12. Nbd2 b5 13. Bc2 Be7 14. Rfe1 O-O 15. Rac1 Rac8 16. c4 Qb8 17. Ne4 h6 18. h4 Qa8 19. h5 Nb4 20. Bb1 Bxe4 21. Qxe4 Qxe4 22. Rxe4 Nb6 23. b3 Rfd8 24. g4 bxc4 25. dxc4 a5 26. a4 Rc7 27. Kh2 Nc8 28. Rg1 d3 29. Rd1 Na7 30. Bd2 Nac6 31. Bc3 Rcd7 32. Kg3 Nc2 33. Bxc2 dxc2 34. Rc1 Rb8 35. Nd2 Bg5 36. Rxc2 Rd3+ 37. Kg2 Rxc3 38. Rxc3 Bxd2 39. Rd3 Bb4 40. Rd7 Nd4 41. f4 Nxb3 42. g5 Nd2 43. Re2 hxg5 44. fxg5 Nxc4 45. g6 fxg6 46. hxg6 Re8 47. Rc7 Nb6 48. Re4 c4 49. Rc6 c3 50. Rxb6 Rc8 51. Re2 c2 52. Rxc2 Rxc2+ 53. Kf3 Ra2 54. Rxe6 Kf8 55. Ra6 Rxa4 56. Ke4 Ra1 57. Ra8+ Ke7 58. Ra7+ Ke6 59. Ra6+ Kd7 60. Ra7+ Kc6 61. Rxg7 Re1+ 62. Kf4 Bd2+ 63. Kf3 Rxe5 64. Rg8 Bh6 65. g7 Bxg7 66. Rxg7 Kb5 67. Rb7+ Kc4 68. Rc7+ Kb3 69. Rb7+ Ka3 70. Kf2 a4 71. Rb8 Ka2 72. Rb4 a3 73. Rb8 Ka1 74. Rb3 a2 75. Rb6 Rc5 76. Ke2 Rc1 77. Kd3 Rb1 78. Rc6 Kb2 79. Rb6+ Kc1 80. Rc6+ Kd1 81. Rh6 Rb3+ 82. Kc4 Rc3+ 83. Kxc3 a1=Q+ 84. Kd3 Qb1+ 85. Kd4 Ke2 86. Rd6 Qb4+ 87. Ke5 Ke3 88. Ke6 Ke4 89. Kd7 Qb7+ 90. Ke6 Qg7 91. Rd7 Qe5+ 92. Kf7 Kf5 93. Re7 Qd5+ 94. Kg7 Qc4 95. Rf7+ Kg5 96. Re7 Qd5 97. Rf7 Qd4+ 98. Kf8 Kg6 99. Ke8 Qh8+ 100. Rf8 Qg7 101. Rf1 Qe5+ 102. Kd8 Qd4+ 103. Ke7 Qe4+ 104. Kf8 Qb4+ 105. Ke8 Qb5+ 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.05"] [Round "1.3"] [White "Gledura, B"] [Black "Sevian, Samuel"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2684"] [ECO "C50"] [Opening "Giuoco Pianissimo"] [EventDate "2023.04.05"] [WhiteFideId "712779"] [BlackFideId "2040506"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. O-O a5 7. Nbd2 O-O 8. h3 Ba7 9. Re1 Be6 10. Bb5 Ne7 11. d4 Ng6 12. Ba4 c6 13. Bc2 Nh5 14. Nf1 Nhf4 15. Ng3 f6 16. Be3 Qd7 17. Bb3 Kh8 18. Bxe6 Qxe6 19. Qb3 d5 20. Rad1 a4 21. Qc2 dxe4 22. Nxe4 exd4 23. Nxd4 Qxa2 24. c4 a3 25. bxa3 Qxa3 26. Nf5 Bxe3 27. Rxe3 Qa5 28. Ned6 Ne5 29. Nxb7 Qa4 30. Qxa4 Rxa4 31. Nbd6 g6 32. Ng3 c5 33. Ne2 Nxe2+ 34. Rxe2 Nxc4 35. Nxc4 Rxc4 36. Rd7 Rh4 37. Rc7 f5 38. Rxc5 Kg7 39. Rc7+ Rf7 40. Rxf7+ Kxf7 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.05"] [Round "1.4"] [White "Dardha, Daniel"] [Black "Bok, B"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2625"] [BlackElo "2607"] [ECO "A34"] [Opening "English"] [Variation "symmetrical variation"] [EventDate "2023.04.05"] [WhiteFideId "240990"] [BlackFideId "1017063"] 1. c4 c5 2. Nc3 g6 3. e3 Bg7 4. d4 cxd4 5. exd4 Nf6 6. d5 O-O 7. Nf3 d6 8. Be2 e6 9. dxe6 Bxe6 10. Nd4 Re8 11. O-O Nc6 12. Nxe6 Rxe6 13. Bg5 h6 14. Be3 Ne4 15. Nd5 Bxb2 16. Rb1 Bg7 17. Rxb7 Rb8 18. Rxb8 Qxb8 19. Bg4 f5 20. Bf3 Kh7 21. Qa4 Ne5 22. Bxe4 fxe4 23. Bxa7 Qc8 24. Rb1 Qxc4 25. Qxc4 Nxc4 26. Rb7 Kh8 27. Nf4 Rf6 28. Bd4 Rxf4 29. Bxg7+ Kg8 30. Bxh6 Rf5 31. Rc7 d5 32. h3 Rf7 33. Rxf7 Kxf7 34. Be3 Ke6 35. Bd4 Na5 36. Kf1 Nc6 37. Bb6 d4 38. a4 Kd5 39. a5 Nb4 40. Ke2 Kc4 41. Kd2 Nd5 42. h4 Kb5 43. Bxd4 Kxa5 44. g4 Nf4 45. Ke3 Ng2+ 46. Kxe4 Nxh4 47. f4 Kb5 48. Bf2 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.05"] [Round "1.5"] [White "Nyzhnyk, I"] [Black "Swiercz, D"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2637"] [ECO "E01"] [Opening "Catalan"] [Variation "closed"] [EventDate "2023.04.05"] [WhiteFideId "14118084"] [BlackFideId "1126881"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 a5 6. Nf3 O-O 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. Nf3 exd5 11. O-O Nc6 12. Bg5 Be7 13. Nc3 Be6 14. Na4 Qa7 15. Rfc1 Rac8 16. Qb3 Nb4 17. a3 Ne4 18. Bxe7 Qxf2+ 19. Kh1 d4 20. Qd1 Qe3 21. Bg5 Nf2+ 22. Kg1 Nh3+ 23. Kh1 Nf2+ 24. Kg1 Nh3+ 25. Kh1 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.06"] [Round "2.1"] [White "Yakubboev, Nodirbek"] [Black "Swiercz, D"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2630"] [BlackElo "2637"] [ECO "A22"] [Opening "English"] [Variation "Bremen, Smyslov system"] [EventDate "2023.04.05"] [WhiteFideId "14203987"] [BlackFideId "1126881"] 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 e4 6. Nd4 Re8 7. Nc2 Bxc3 8. dxc3 d6 9. h3 Nc6 10. Bf4 b6 11. g4 Ne5 12. Ne3 Ng6 13. Bg3 a5 14. Qc2 a4 15. O-O-O Ra5 16. Rd4 Bb7 17. h4 h6 18. Qd1 Ne5 19. g5 hxg5 20. hxg5 Nfg4 21. Nxg4 Nxg4 22. f4 Ne3 23. Qg1 Nf5 24. Be1 Qa8 25. e3 Kf8 26. g6 fxg6 27. Bh3 Kf7 28. Rd2 Qd8 29. Rg2 Qf6 30. Rg5 Bc8 31. Bg4 Be6 32. Be2 Ne7 33. Rxa5 bxa5 34. Bh4 Qf5 35. Bxe7 Rxe7 36. Rh2 Qc5 37. Rh8 Bxc4 38. f5 gxf5 39. Bh5+ Ke6 40. Re8 Rxe8 41. Qg6+ Kd5 42. Qxe8 Qxe3+ 43. Kd1 Qg1+ 44. Kc2 Bd3+ 45. Kd2 Qf2+ 46. Kd1 Qc2+ 47. Ke1 Qc1+ 48. Kf2 Qf1+ 49. Kg3 Qg1+ 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.06"] [Round "2.2"] [White "Bok, B"] [Black "Nyzhnyk, I"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2644"] [ECO "D45"] [Opening "QGD semi-Slav"] [Variation "Stoltz variation"] [EventDate "2023.04.05"] [WhiteFideId "1017063"] [BlackFideId "14118084"] 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 c5 11. cxd5 exd5 12. Rfd1 Qe7 13. Rac1 Rac8 14. dxc5 bxc5 15. Qf5 a6 16. Bxa6 Bxa6 17. Nxd5 Qe4 18. Qh3 Nxd5 19. Ng5 Qg6 20. Rxd5 Be7 21. Nxh7 Rfd8 22. Rxd7 Rxd7 23. Qxd7 Qe4 24. Nf6+ gxf6 25. Qh3 Rd8 26. Qg3+ Kf8 27. h3 Bb7 28. Qg4 Rd2 29. Qxe4 Bxe4 30. Ba3 Rc2 31. f3 Rxc1+ 32. Bxc1 Bb1 33. a3 f5 34. Bb2 Bh4 35. Be5 Ke7 36. g3 Ke6 37. gxh4 Kxe5 38. Kf2 f4 39. h5 Bc2 40. b4 c4 41. b5 c3 42. exf4+ Kd5 43. Ke3 Bf5 44. h6 Kc5 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.06"] [Round "2.3"] [White "Sevian, Samuel"] [Black "Dardha, Daniel"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2684"] [BlackElo "2625"] [ECO "C67"] [Opening "Ruy Lopez"] [Variation "Berlin defence, open variation"] [EventDate "2023.04.05"] [WhiteFideId "2040506"] [BlackFideId "240990"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Be7 10. Bf4 h5 11. Rad1+ Ke8 12. Rfe1 Nh4 13. Nxh4 Bxh4 14. Ne2 a6 15. e6 Bxe6 16. Nd4 Bf6 17. Nxe6 fxe6 18. Bxc7 Rc8 19. Bf4 g5 20. Be5 Ke7 21. Bxf6+ Kxf6 22. Rd7 Rhd8 23. Rxb7 Rd2 24. c3 Rcd8 25. Rb6 R8d6 26. a4 Re2 27. Rf1 Rc2 28. a5 Rd5 29. Rxc6 Rxa5 30. h4 Rxb2 31. Re1 gxh4 32. Rexe6+ Kf5 33. Rxa6 Rxa6 34. Rxa6 Rb1+ 35. Kh2 Rf1 36. Ra5+ Kf4 37. f3 h3 38. Ra4+ Kg5 39. Kxh3 Rh1+ 40. Kg3 h4+ 41. Kf2 h3 42. Ra5+ Kf6 43. g4 h2 44. Kg2 Rf1 45. Rf5+ 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.06"] [Round "2.4"] [White "Quesada Perez, Ya"] [Black "Gledura, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2601"] [BlackElo "2644"] [ECO "B30"] [Opening "Sicilian"] [Variation "Nimzovich-Rossolimo attack (without ...d6)"] [EventDate "2023.04.05"] [WhiteFideId "3509362"] [BlackFideId "712779"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Ng6 7. Be3 Be7 8. Nc3 O-O 9. Be2 b6 10. Nxc6 dxc6 11. f4 Qc7 12. g3 f6 13. a4 Rd8 14. Qe1 Nf8 15. Bc4 Bb4 16. Qe2 Bxc3 17. bxc3 c5 18. Rad1 Bb7 19. f5 Rxd1 20. Rxd1 Re8 21. Bf4 Qf7 22. Bd6 Bc8 23. Qg4 Kh8 24. Bxf8 Qxf8 25. Bxe6 Qe7 26. Kf2 h6 27. Bxc8 Rxc8 28. Rd5 Re8 29. Kf3 c4 30. e5 fxe5 31. Qxc4 e4+ 32. Kf2 e3+ 33. Ke2 Qf7 34. g4 Qf6 35. Qc7 h5 36. Rd3 hxg4 37. Rxe3 Rxe3+ 38. Kxe3 Qxf5 39. Kd2 Qg5+ 40. Kd1 Qa5 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.06"] [Round "2.5"] [White "Yoo, Christopher Woojin"] [Black "Mishra, Abhimanyu"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2550"] [ECO "B99"] [Opening "Sicilian"] [Variation "Najdorf, 7...Be7 main line"] [EventDate "2023.04.05"] [WhiteFideId "30909694"] [BlackFideId "30920019"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 h6 11. Qh3 Nc5 12. Bg2 Rg8 13. Bxf6 Bxf6 14. b4 Nd7 15. g5 hxg5 16. e5 Nxe5 17. fxe5 Bxe5 18. Rhe1 Bd7 19. Rxe5 dxe5 20. Nb3 Rd8 21. Nc5 Bc8 22. Rf1 Rd4 23. N3e4 b6 24. c3 bxc5 25. cxd4 cxd4+ 26. Kb2 Qe7 27. Rc1 Bd7 28. Nc5 f5 29. Qh7 Qf7 30. a4 Ke7 31. Qh3 Qf6 32. Nxd7 Kxd7 33. Qd3 e4 34. Qxa6 d3+ 35. Kb3 Rd8 36. a5 d2 37. Rd1 Ke7 38. Bf1 Qe5 39. Qc4 f4 40. a6 f3 41. Qc6 g4 42. a7 e3 43. Qb7+ Kf6 44. a8=Q Rxa8 45. Qxa8 e2 46. Qd8+ Kg6 47. Qxd2 exd1=Q+ 48. Qxd1 Qxh2 49. Qd3+ Kg5 50. Qd8+ Kf4 51. Qd4+ Kf5 52. Bd3+ Kg5 53. Qxg7+ Kf4 54. b5 Qg1 55. Qf7+ Kg3 56. Qc7+ Kh3 57. b6 Qd1+ 58. Bc2 Qd5+ 59. Kb4 Qd4+ 60. Ka3 f2 61. Qh7+ Kg2 62. Qe4+ Qxe4 63. Bxe4+ Kg1 64. Bd3 g3 65. b7 g2 66. b8=Q f1=Q 67. Bxf1 gxf1=Q 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.07"] [Round "3.1"] [White "Mishra, Abhimanyu"] [Black "Yakubboev, Nodirbek"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2550"] [BlackElo "2630"] [ECO "E60"] [Opening "King's Indian"] [Variation "3.g3"] [EventDate "2023.04.05"] [WhiteFideId "30920019"] [BlackFideId "14203987"] 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 Bd7 6. Nf3 Bg7 7. O-O O-O 8. Qb3 Qb6 9. Nc3 Bf5 10. Ne5 Rd8 11. cxd5 Qxb3 12. axb3 cxd5 13. Bg5 Nc6 14. Nxc6 bxc6 15. Ra6 Rdc8 16. Rfa1 h6 17. Bd2 Nd7 18. e3 e5 19. dxe5 Nc5 20. R6a3 Bxe5 21. b4 Nd3 22. Rxa7 Rxa7 23. Rxa7 Nxb2 24. b5 d4 25. exd4 Bxd4 26. Ra2 cxb5 27. Nxb5 Be6 28. Ra8 Rxa8 29. Bxa8 Bb6 30. Bc3 Nd3 31. Bd4 Bxd4 32. Nxd4 Bc4 33. Be4 Nc5 34. Bc2 Ne6 35. Nxe6 Bxe6 36. h4 g5 37. hxg5 hxg5 38. f4 gxf4 39. gxf4 Kg7 40. Kf2 Kf6 41. Ke3 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.07"] [Round "3.2"] [White "Gledura, B"] [Black "Yoo, Christopher Woojin"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2607"] [ECO "A04"] [Opening "Reti opening"] [EventDate "2023.04.05"] [WhiteFideId "712779"] [BlackFideId "30909694"] 1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. O-O e6 5. c4 Qb6 6. b3 d5 7. cxd5 exd5 8. Bb2 Be7 9. Ne5 O-O 10. Nxc6 Qxc6 11. Nc3 b5 12. Rc1 Bb7 13. e3 Qb6 14. Ne2 a5 15. Qc2 Rfd8 16. Nf4 g6 17. Rfe1 Rac8 18. Qd3 c4 19. Qb1 Ne4 20. d3 Nd2 21. Qc2 cxb3 22. Qxd2 Bb4 23. Qe2 Bxe1 24. Qxe1 bxa2 25. Ra1 b4 26. Rxa2 b3 27. Bd4 Qxd4 28. exd4 bxa2 29. Qa1 Rc2 30. Bf3 Re8 31. Kf1 Bc6 32. Bd1 Rd2 33. Bb3 g5 34. Bxa2 gxf4 35. Qc3 Ree2 36. Qxc6 Rxf2+ 37. Kg1 Rxa2 38. Qxd5 h6 39. gxf4 Rfc2 0-1

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.07"] [Round "3.3"] [White "Dardha, Daniel"] [Black "Quesada Perez, Ya"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2625"] [BlackElo "2601"] [ECO "A11"] [Opening "English"] [Variation "Caro-Kann defensive system"] [EventDate "2023.04.05"] [WhiteFideId "240990"] [BlackFideId "3509362"] 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. d4 b5 6. b3 Bg4 7. Be2 e6 8. O-O Nbd7 9. h3 Bh5 10. a4 bxc4 11. bxc4 Bd6 12. a5 dxc4 13. Nd2 Bxe2 14. Qxe2 O-O 15. Nxc4 Bb4 16. Na4 Rb8 17. e4 Rb5 18. Bf4 Bxa5 19. Bd6 Re8 20. Nc5 Bc3 21. Rad1 Nb6 22. Nxb6 Qxb6 23. Be5 Bb4 24. Bxf6 gxf6 25. Qg4+ Kh8 26. Qf3 Qd8 27. Nxa6 Be7 28. e5 Qb6 29. Nc5 Rg8 30. Nd7 Qd8 31. Nxf6 Bxf6 32. exf6 Qd6 33. Rd3 Rf5 34. Qe4 Qd5 35. f3 c5 36. dxc5 Qxc5+ 37. Qd4 Qxd4+ 38. Rxd4 Rxf6 39. Rf2 Rf5 40. Kh2 h5 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.07"] [Round "3.4"] [White "Nyzhnyk, I"] [Black "Sevian, Samuel"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2684"] [ECO "E03"] [Opening "Catalan"] [Variation "open, 5.Qa4 Nbd7, 6.Qxc4"] [EventDate "2023.04.05"] [WhiteFideId "14118084"] [BlackFideId "2040506"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Nf3 a6 8. Qb3 cxd4 9. Nxd4 Nc5 10. Qe3 Nd5 11. Qd2 b5 12. Nc3 Bb7 13. Nxd5 Bxd5 14. Nc6 Qd7 15. Ne5 Qb7 16. Bxd5 exd5 17. O-O Be7 18. b3 Ne4 19. Qd3 Bf6 20. Bb2 O-O 21. Rfd1 Rad8 22. Bd4 Rfe8 23. Nf3 Bxd4 24. Nxd4 Rc8 25. f3 Nc3 26. Re1 b4 27. Kg2 g6 28. a3 a5 29. axb4 axb4 30. e3 Ra8 31. Nc2 Rec8 32. Qd4 Nb5 33. Qd2 Nc3 34. Qd4 Nb5 35. Qd2 Nc3 36. Qd4 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.07"] [Round "3.5"] [White "Swiercz, D"] [Black "Bok, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2637"] [BlackElo "2607"] [ECO "C78"] [Opening "Ruy Lopez"] [Variation "Moeller defence"] [EventDate "2023.04.05"] [WhiteFideId "1126881"] [BlackFideId "1017063"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. d3 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. Be3 O-O 11. Nc3 Bg4 12. h3 Bxf3 13. Qxf3 Nd4 14. Bxd4 Bxd4 15. Nd1 c6 16. c3 Bb6 17. Ne3 g6 18. g3 Qe7 19. Kg2 Nd7 20. Bc2 Ra8 21. b4 h5 22. Bb3 Kg7 23. Qe2 Nf6 24. Kh2 h4 25. Rxa8 Rxa8 26. Ng2 hxg3+ 27. fxg3 Rd8 28. Nh4 d5 29. Nf3 dxe4 30. dxe4 Qd6 31. Rd1 Qe7 32. Rf1 Qd6 33. Rd1 Qe7 34. Rf1 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.08"] [Round "4.1"] [White "Yakubboev, Nodirbek"] [Black "Bok, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2630"] [BlackElo "2607"] [ECO "A35"] [Opening "English"] [Variation "symmetrical, four knights system"] [EventDate "2023.04.05"] [WhiteFideId "14203987"] [BlackFideId "1017063"] 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 g6 7. h4 Bg7 8. h5 Bf5 9. h6 Bf6 10. O-O O-O 11. Qb3 Ndb4 12. d3 Qd7 13. a3 Na5 14. Qd1 Nbc6 15. Qa4 a6 16. Bg5 b5 17. Qh4 Bxg5 18. Nxg5 f6 19. Nge4 Nb3 20. Nd5 Rae8 21. Nxc5 Nxc5 22. Rac1 g5 23. Qh1 Nd4 24. Rxc5 Nxe2+ 25. Kh2 e6 26. Rc7 Qd8 27. Rg7+ Kh8 28. Be4 Nd4 29. Ne3 Re7 30. Bxf5 exf5 31. Rxe7 Qxe7 32. Qd5 Rd8 33. Nxf5 Qf8 34. Qe4 Nxf5 35. Qxf5 Qxh6+ 36. Kg2 Qg6 37. Qe6 Rxd3 38. Rc1 Rd8 39. Qxa6 Qe4+ 40. Kg1 Qf5 41. Qa5 Re8 42. a4 Re2 43. Qa7 bxa4 44. Rd1 Re8 45. Qxa4 Re7 46. Qa3 Rf7 47. b4 Kg7 48. Qb3 Re7 49. Qc4 Qf3 50. Rc1 h5 51. Qc3 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.08"] [Round "4.2"] [White "Sevian, Samuel"] [Black "Swiercz, D"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2684"] [BlackElo "2637"] [ECO "A28"] [Opening "English"] [Variation "four knights, Nimzovich variation"] [EventDate "2023.04.05"] [WhiteFideId "2040506"] [BlackFideId "1126881"] 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 Bg4 10. Be2 Bxf3 11. Bxf3 Qe7 12. Be3 Nd8 13. Qd2 Ne6 14. Nc3 h5 15. h3 c6 16. Ne2 Bxe3 17. fxe3 Ng5 18. O-O O-O 19. Qe1 g6 20. Qg3 Nxf3+ 21. Rxf3 Nh7 22. Nc3 Ng5 23. Rf2 Ne6 24. Rd1 Qg5 25. Qxg5 Nxg5 26. d4 a5 27. h4 axb4 28. axb4 Nh7 29. c5 Ra3 30. Rc1 Rd8 31. d5 dxc5 32. bxc5 Ra5 33. Rb2 Rd7 34. Rcb1 Nf6 35. Rxb7 Rxb7 36. Rxb7 Rxc5 37. Rb3 cxd5 38. exd5 Nxd5 39. Nxd5 Rxd5 40. Rb2 Kg7 41. Kf2 Kf6 42. Kf3 Ke6 43. Ra2 Rd6 44. Rb2 Ra6 45. Rb4 Kf5 46. Rb7 Kf6 47. Rb8 Ra4 48. e4 Ra3+ 49. Kf2 Ra6 50. g3 Ke7 51. Rh8 Ra2+ 52. Kf3 Ra3+ 53. Kf2 Rd3 54. Ra8 Rd8 55. Ra6 Rd6 56. Ra8 Ke6 57. Re8+ Kf6 58. Ra8 Re6 59. Rg8 Re7 60. Kf3 Rc7 61. Re8 Rc5 62. Rg8 Ra5 63. Kf2 Ke7 64. Rb8 Ra7 65. Ke3 f6 66. Rh8 Ke6 67. Rh6 Ra3+ 68. Kf2 Kf7 69. Rh7+ Kf8 70. Rd7 Rb3 71. Rc7 Rd3 72. Rh7 Rd6 73. Kf3 Re6 74. Ke3 Re7 75. Rh8+ Kg7 76. Ra8 g5 77. hxg5 fxg5 78. Ra5 g4 79. Kf2 Kf6 80. Ra8 Rb7 81. Rf8+ Kg7 82. Re8 Rb2+ 83. Kf1 Rb5 84. Re6 Kf7 85. Rh6 Rb4 86. Rxh5 Kf6 87. Rh6+ Kg5 88. Rh8 Rxe4 89. Rf8 Re3 90. Kf2 Ra3 91. Rf7 Ra8 92. Ke2 Kg6 93. Rb7 Kf5 94. Rb4 Ra3 95. Kf2 Rf3+ 96. Kg2 Rd3 97. Kf2 Rd2+ 98. Kf1 Rd4 99. Rb3 Ra4 100. Ke2 Ra2+ 101. Kf1 Rc2 102. Rb4 Rc3 103. Kf2 Rf3+ 104. Kg2 Rd3 105. Kf2 Rd2+ 106. Kf1 Rd4 107. Rb3 Rc4 108. Rb2 Rc3 109. Kf2 Rf3+ 110. Kg2 Rd3 111. Kf2 Ke4 112. Rb4+ Rd4 113. Rb2 Ra4 114. Ke2 Kd5 115. Rd2+ Ke6 116. Rb2 Ra3 117. Rb6+ Kd5 118. Rb5+ Kd6 119. Kf2 Ra2+ 120. Kf1 Rd2 121. Rb6+ Kd5 122. Rg6 Ke4 123. Rxg4+ Kf3 124. Ke1 Re2+ 125. Kd1 Rg2 126. Rg8 e4 127. Rf8+ Ke3 128. Re8 Rxg3 129. Re6 Rg1+ 130. Kc2 Rf1 131. Re8 Rh1 132. Re6 Ra1 133. Re8 Rg1 134. Re6 Rh1 135. Re8 Rf1 136. Re7 Rf8 137. Kd1 Ra8 138. Re6 Ra4 139. Re8 Ra6 140. Re7 Ra1+ 141. Kc2 Kf3 142. Kd2 Ra2+ 143. Ke1 Ra4 144. Re8 Ra3 145. Re7 Ra8 146. Re6 Rh8 147. Re7 Rh4 148. Re8 Ke3 149. Kf1 Rh1+ 150. Kg2 Re1 151. Ra8 Rd1 152. Re8 Rd4 153. Kf1 Rb4 154. Re7 Rb1+ 155. Kg2 Rc1 156. Re8 Rc4 157. Kf1 Rd4 158. Re6 Rd1+ 159. Kg2 Re1 160. Ra6 Re2+ 161. Kf1 Rf2+ 162. Ke1 Rd2 163. Ra3+ Rd3 164. Ra2 Rb3 165. Re2+ Kf4 166. Rf2+ Ke5 167. Rf8 Kd4 168. Re8 Rb2 169. Ra8 Rb3 170. Ke2 Rb2+ 171. Ke1 Rc2 172. Ra3 Rc3 173. Rxc3 Kxc3 174. Ke2 Kd4 175. Kd2 e3+ 176. Ke2 Ke4 177. Ke1 Kd3 178. Kd1 e2+ 179. Ke1 Ke3 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.08"] [Round "4.3"] [White "Quesada Perez, Ya"] [Black "Nyzhnyk, I"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2601"] [BlackElo "2644"] [ECO "C42"] [Opening "Petrov"] [Variation "Kaufmann attack"] [EventDate "2023.04.05"] [WhiteFideId "3509362"] [BlackFideId "14118084"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d3 Nf6 7. d4 d5 8. Nc3 O-O 9. cxd5 Nbd7 10. Bd3 Nb6 11. h3 Nbxd5 12. O-O h6 13. Re1 Nb4 14. Bb1 c5 15. a3 cxd4 16. Nxd4 Bc5 17. Be3 Nbd5 18. Nxd5 Qxd5 19. Ba2 Qd6 20. b4 Bb6 21. Nf3 Rd8 22. Qxd6 Rxd6 23. Bc5 Bxc5 24. bxc5 Ra6 25. Re7 Rxa3 26. Bxf7+ Kf8 27. Rae1 Ra1 28. Bg6 Rxe1+ 29. Rxe1 Bd7 30. Ne5 Rc8 31. Ra1 Rxc5 32. Nxd7+ Nxd7 33. Rxa7 Rc7 34. f4 Ke7 35. Kf2 Kd6 36. g4 Nf6 37. g5 Nd5 38. gxh6 Nxf4 39. hxg7 Rxg7 40. Be4 Nxh3+ 41. Ke3 Ng5 42. Rxb7 Rxb7 43. Bxb7 Ne4 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.08"] [Round "4.4"] [White "Yoo, Christopher Woojin"] [Black "Dardha, Daniel"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2625"] [ECO "D30"] [Opening "Queen's gambit declined"] [EventDate "2023.04.05"] [WhiteFideId "30909694"] [BlackFideId "240990"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. O-O Nbd7 8. Qc2 Ne4 9. a4 a5 10. Rc1 O-O 11. Ne1 b6 12. cxd5 cxd5 13. Bxe4 dxe4 14. Qxe4 Ba6 15. Nc3 Nf6 16. Qe3 Rc8 17. Nb5 Qd7 18. Qd3 Bb7 19. f3 Nd5 20. Nc2 Ba6 21. Qb3 Nc7 22. Nc3 e5 23. Be3 b5 24. axb5 Nxb5 25. Qd5 Qf5 26. Ne4 Nc7 27. Qxe5 Qd7 28. Nc5 Bxc5 29. dxc5 Rfe8 30. Qd6 Qb5 31. Nd4 Qxb2 32. Qb6 Qxb6 33. cxb6 Nd5 34. Rxc8 Bxc8 35. Bd2 Nxb6 36. Bxa5 Nc4 37. Bb4 h6 38. Ra7 Ne3 39. Kf2 Nd1+ 40. Ke1 Ne3 41. Bd2 Nf5 42. Nc6 Be6 43. e4 Nd6 44. Bf4 Nc4 45. Kf2 Kf8 46. h4 f5 47. exf5 Bxf5 48. Nd4 Be6 49. g4 Re7 50. Ra6 Kf7 51. h5 Bd7 52. Kg3 Kg8 53. Ra7 Rf7 54. Rc7 Nb6 55. Rc5 Na4 56. Ra5 Nb2 57. Bc1 Nc4 58. Rd5 Re7 59. Bf4 Rf7 60. Rc5 Nb2 61. Rc7 Nd3 62. Bd6 Kh7 63. Nf5 Be6 64. Rxf7 Bxf7 65. Bf8 g6 66. Nxh6 gxh5 67. g5 Be6 68. Kh4 Kg6 69. Be7 Ne5 70. f4 Nf3+ 71. Kg3 Nd4 72. Ba3 Nf5+ 73. Nxf5 Bxf5 74. Kh4 Be4 75. f5+ Bxf5 76. Bc1 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.08"] [Round "4.5"] [White "Mishra, Abhimanyu"] [Black "Gledura, B"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2550"] [BlackElo "2644"] [ECO "D12"] [Opening "QGD Slav"] [Variation "4.e3 Bf5"] [EventDate "2023.04.05"] [WhiteFideId "30920019"] [BlackFideId "712779"] 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Bd2 Be7 9. Nxg6 hxg6 10. Qc2 Nbd7 11. O-O-O a6 12. Kb1 dxc4 13. Bxc4 c5 14. g4 Nb6 15. dxc5 Nxc4 16. Qa4+ Nd7 17. Qxc4 Nxc5 18. Ne4 Nxe4 19. Qxe4 Qd5 20. Qxd5 exd5 21. h3 Rd8 22. Ba5 Rd7 23. Rc1 O-O 24. Bb6 f5 25. Rhf1 Kf7 26. f4 Bd8 27. Bd4 Bf6 28. Bc5 Be7 29. Bd4 Bf6 30. Bc5 Be7 31. Bd4 Bf6 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.09"] [Round "5.1"] [White "Gledura, B"] [Black "Yakubboev, Nodirbek"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2630"] [ECO "C50"] [Opening "King's pawn game"] [EventDate "2023.04.05"] [WhiteFideId "712779"] [BlackFideId "14203987"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. O-O Bg4 5. c3 Nf6 6. d3 Be7 7. Nbd2 Bh5 8. Re1 Qd7 9. b4 g5 10. g3 O-O-O 11. a4 d5 12. Bb3 Rhg8 13. Qc2 Qh3 14. Ba3 Rg6 15. exd5 Nxd5 16. Bxd5 Rxd5 17. b5 e4 18. Rxe4 Bxf3 19. Nxf3 g4 20. Nh4 Bxh4 21. bxc6 Bd8 22. cxb7+ Kb8 23. Rf1 f5 24. Rc4 Rh6 25. f3 Rxd3 26. Bc1 Rhd6 27. Bf4 Rd7 28. fxg4 fxg4 29. Rd4 R3xd4 30. cxd4 Qh5 31. Qc6 Re7 32. d5 Qe8 33. a5 Re1 34. Qxe8 Rxe8 35. a6 1-0

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.09"] [Round "5.2"] [White "Dardha, Daniel"] [Black "Mishra, Abhimanyu"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2625"] [BlackElo "2550"] [ECO "A07"] [Opening "Reti"] [Variation "King's Indian attack"] [EventDate "2023.04.05"] [WhiteFideId "240990"] [BlackFideId "30920019"] 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. O-O Nf6 6. c4 dxc4 7. a4 Ne4 8. Nc3 Nd6 9. e4 Bg4 10. Be3 Qc8 11. Qe2 O-O 12. Rad1 Na6 13. h3 Bxh3 14. Bxh3 Qxh3 15. e5 Ne8 16. d5 Nec7 17. Qxc4 cxd5 18. Nxd5 Nxd5 19. Qxd5 Qc8 20. Rc1 Nb4 21. Qe4 Nc6 22. Nd4 a5 23. Nxc6 bxc6 24. Rxc6 Qb8 25. Rc5 Qxb2 26. Rb1 Qa2 27. Kg2 Qe6 28. Rbb5 f5 29. Qf3 Ra6 30. Rxa5 Rxa5 31. Rxa5 Bxe5 32. Ra8 Rxa8 33. Qxa8+ Kg7 34. Qf3 Bc3 35. Bc5 Qc4 36. Bxe7 Kf7 37. Bg5 Qe4 38. Qxe4 fxe4 39. Kf1 Ke6 40. Ke2 Kd5 41. Bd2 Bf6 42. Be1 h5 43. a5 Bd4 44. Bd2 Kc6 45. a6 Bf6 46. Be3 Be7 47. Bd4 Bg5 48. Bc5 Bh6 49. Be3 Bg7 50. Bg5 Bd4 51. Bh6 Bc5 52. Be3 Be7 53. Kd2 g5 54. Ke2 g4 55. Bd4 h4 56. gxh4 Bxh4 57. Ke3 g3 58. fxg3 Bxg3 59. Kxe4 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.09"] [Round "5.3"] [White "Nyzhnyk, I"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2644"] [BlackElo "2607"] [ECO "D30"] [Opening "Queen's gambit declined"] [EventDate "2023.04.05"] [WhiteFideId "14118084"] [BlackFideId "30909694"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Qc2 c6 8. O-O b6 9. b4 Ba6 10. Na3 Nbd7 11. Rfc1 Rc8 12. e3 c5 13. bxc5 bxc5 14. Qa4 Bb7 15. Qxa7 Bc6 16. Qa6 Nb8 17. Qa7 Nbd7 18. Qa6 Nb8 19. Qa7 Nbd7 20. Qa6 Nb8 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.09"] [Round "5.4"] [White "Swiercz, D"] [Black "Quesada Perez, Ya"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2637"] [BlackElo "2601"] [ECO "D15"] [Opening "QGD Slav"] [Variation "4.Nc3"] [EventDate "2023.04.05"] [WhiteFideId "1126881"] [BlackFideId "3509362"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 cxd5 6. Bf4 Nc6 7. Rc1 Bf5 8. e3 e6 9. Qb3 Nh5 10. Qxb7 Na5 11. Qc7 Nxf4 12. Qxd8+ Rxd8 13. exf4 Bd6 14. g3 Rb8 15. Nh4 O-O 16. Nxf5 exf5 17. Bxa6 Rfe8+ 18. Kf1 Rxb2 19. Kg2 Ra8 20. Bd3 Nc6 21. Nb5 Nb4 22. Bxf5 Bf8 23. a3 Ra5 24. Rc8 g6 25. Re1 gxf5 26. Ree8 Nd3 27. Rxf8+ Kg7 28. Rg8+ Kf6 29. Rc6+ Ke7 30. Rc7+ Kf6 31. Rc6+ Ke7 32. Rc7+ Kf6 33. Nc3 Nxf2 34. Rf8 Ng4+ 35. Kg1 Nh6 36. a4 Rd2 37. Rb8 Rxd4 38. Rb5 Ra6 39. Nxd5+ Kg7 40. Nc3 Rd2 41. Re5 Rc2 42. h3 Rxa4 43. Nxa4 Rxc7 44. Nb6 f6 45. Re6 Ng8 46. Nd5 Rd7 47. Ne3 Kf7 48. Ra6 Ne7 49. Kf2 h5 50. Ra5 Ke6 51. Ra8 Rd2+ 52. Kf3 Rd3 53. Ke2 Rb3 54. Ra6+ Kf7 55. Ra7 Ke6 56. Ra6+ Kf7 57. Ra7 Ke6 58. Ra6+ 1/2-1/2

[Event "St Louis Spring A"] [Site "Saint Louis USA"] [Date "2023.04.09"] [Round "5.5"] [White "Bok, B"] [Black "Sevian, Samuel"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2607"] [BlackElo "2684"] [ECO "E04"] [Opening "Catalan"] [Variation "open, 5.Nf3"] [EventDate "2023.04.05"] [WhiteFideId "1017063"] [BlackFideId "2040506"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 12. c4 Bd7 13. Bb2 Rfd8 14. Nfd4 Rac8 15. Nb5 b6 16. Nd6 Bxd6 17. Rxd6 Be8 18. Rxd8 Nxd8 19. Rc1 Bc6 20. c5 Bxg2 21. Kxg2 Nd7 22. cxb6 Rxc1 23. Bxc1 axb6 24. Kf3 f5 25. Ke3 e5 26. g4 g6 27. gxf5 gxf5 28. f4 Ne6 29. fxe5 Nxe5 30. Nd4 f4+ 31. Ke4 Nxd4 32. Kxd4 f3 33. exf3 Nxf3+ 34. Kd5 Nxh2 35. Kc6 Kf7 36. Kxb6 Ke6 37. a4 Kd7 38. a5 Kc8 39. Bf4 Ng4 40. a6 Ne3 41. Kc6 Nf5 42. Bd6 Ne7+ 43. Kc5 h5 44. Bh2 Ng6 45. Bg3 Ne7 46. Bd6 h4 47. Be5 Nf5 48. Bf4 Ne7 49. Bd6 h3 50. Bh2 Nf5 51. Bf4 Ne3 52. Bd6 Nc2 53. Kb5 Ne3 54. Kc6 h2 55. Bxh2 Nf5 56. Bd6 Ne7+ 57. Kc5 Nf5 58. Kb6 Nxd6 59. a7 Nc4+ 60. Ka6 Kc7 61. a8=Q Kd6 62. Kb5 Ne5 63. Qe4 Nd7 64. Qc6+ Ke7 65. Qa6 Nf8 66. Kc4 Ne6 67. Qc6 Kf7 68. Kd5 Nf4+ 69. Ke4 Ng6 70. Qd6 Ne7 71. Ke5 Ng6+ 72. Kf5 Ne7+ 73. Kg5 Ng8 74. Qd5+ Kf8 75. Qd7 1-0