[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.26"]
[Round "1.1"]
[White "Yakubboev, Nodirbek"]
[Black "Ma, Qun"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2659"]
[BlackElo "2645"]
[ECO "D41"]
[Opening "QGD"]
[Variation "Semi-Tarrasch, 5.cd"]
[WhiteFideId "14203987"]
[BlackFideId "8603154"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. g3 cxd4 7. Nxd5 Qxd5 8.
Qxd4 Qb5 9. e4 Qb4+ 10. Bd2 Nc6 11. Qxb4 Bxb4 12. Bb5 Bd7 13. Rc1 Bxd2+ 14. Kxd2
Ke7 15. Rc3 Rhc8 16. Rhc1 f6 17. Bxc6 Rxc6 18. Rxc6 Bxc6 19. Nd4 Bd7 20. f4 e5
21. fxe5 fxe5 22. Nf3 Kd6 23. Ke3 Bg4 24. h3 Bxf3 25. Kxf3 Rf8+ 26. Ke3 h5 27.
h4 Rg8 28. Kf3 Rf8+ 29. Ke2 Rf7 30. Rd1+ Ke6 31. Rc1 Kd6 32. Rd1+ Ke6 33. Rc1
Kd6 34. Rd1+ Ke6 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.26"]
[Round "1.2"]
[White "Nemec, Jachym"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2433"]
[BlackElo "2478"]
[ECO "E21"]
[Opening "Nimzo-Indian"]
[Variation "three knights variation"]
[WhiteFideId "23716525"]
[BlackFideId "23718293"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4
d5 9. cxd5 g5 10. Bg3 Qxd5 11. e3 Qxa2 12. Qc2 Bxc3+ 13. Qxc3 Ne4 14. Qc2 Qa5+
15. Ke2 Nxg3+ 16. hxg3 Kg7 17. f4 Nc6 18. Nxc6 bxc6 19. Kf2 Rd8 20. Rd1 Rxd1 21.
Qxd1 Qf5 22. Qd6 Qf6 23. Be2 Qxb2 24. Rd1 Ba6 25. Rd2 Qa1 26. Rd1 Qb2 27. Rd2
Qa1 28. Rd1 Qb2 29. Rd2 Qa1 30. Rd1 Qb2 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.26"]
[Round "1.3"]
[White "Kourkoulos-Arditis, Stamatis"]
[Black "Bjerre, Jonas Buhl"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2580"]
[BlackElo "2640"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "4221990"]
[BlackFideId "1444948"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Nbd7 9. g4 h6 10. Qd2 b5 11. O-O-O Nb6 12. Qf2 Rb8 13. a3 Qc7 14. Kb1 Nc4 15.
Nd5 Bxd5 16. exd5 g6 17. Bc1 Bg7 18. h4 h5 19. g5 Nd7 20. f4 exf4 21. Nd4 O-O
22. Qxf4 Ndb6 23. Bg2 Na4 24. Rh3 b4 25. axb4 Rxb4 26. b3 Rc8 27. Qf2 Qc5 28.
Ka2 Nab2 29. Bxb2 Nxb2 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.26"]
[Round "1.4"]
[White "Salgado Lopez, Ivan"]
[Black "Divya, Deshmukh"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2599"]
[BlackElo "2490"]
[ECO "D32"]
[Opening "QGD"]
[Variation "Tarrasch defence"]
[WhiteFideId "2257327"]
[BlackFideId "35006916"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 Bxc5 8.
Nxc5 Qa5+ 9. Bd2 Qxc5 10. Rc1 Qb6 11. Qb3 Nge7 12. Qxb6 axb6 13. a3 O-O 14. h3
Be6 15. g4 b5 16. e4 dxe3 17. fxe3 Bd5 18. Be2 f5 19. O-O fxg4 20. hxg4 Ra4 21.
Nh2 Rxf1+ 22. Kxf1 Bc4 23. Bxc4+ bxc4 24. Nf3 Nd5 25. g5 Nc7 26. Rd1 Ne6 27. Be1
Ra8 28. Rd5 Rc8 29. Bc3 Rc7 30. Nd2 Ne7 31. Rb5 Nc8 32. Ke2 Na7 33. Rd5 b5 34.
Ne4 Rb7 35. Rd6 Re7 36. Kf3 Re8 37. Rb6 Nd8 38. g6 Rf8+ 39. Ke2 hxg6 40. Rxg6
Rf7 41. Rg5 Ne6 42. Re5 Nc7 43. Ng5 Rd7 44. Ba5 Nc6 45. Bxc7 Nxe5 46. Bxe5 Rd5
47. Nf3 Kf7 48. e4 Rd8 49. Ke3 Kg6 50. Nd4 Re8 51. Bd6 Rh8 52. Nxb5 Rh3+ 53. Kd4 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.26"]
[Round "1.5"]
[White "Stalmach, Richard"]
[Black "Maurizzi, Marc'Andria"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2449"]
[BlackElo "2581"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[WhiteFideId "372048"]
[BlackFideId "36083534"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nbd7 6. O-O c6 7. a4 b6 8. Nfd2
Ba6 9. Bxc6 Rc8 10. Bb5 Bb7 11. Nc3 h5 12. e4 h4 13. Qe2 hxg3 14. fxg3 Be7 15.
Bxc4 O-O 16. Bd3 Nb8 17. Nb3 Nc6 18. Be3 e5 19. d5 Nb4 20. a5 Nxd3 21. Qxd3 Ng4
22. a6 Ba8 23. Bd2 b5 24. h3 Nf6 25. Be3 Qd7 26. Kh2 b4 27. Na4 Rfd8 28. Nac5
Qe8 29. Nb7 Rd7 30. N3a5 b3 31. Rac1 Rdc7 32. Rxc7 Rxc7 33. Bxa7 Rc2+ 34. Rf2
Qa4 35. Qxb3 Rxf2+ 36. Bxf2 Qxe4 37. Nc6 Bf8 38. Qe3 Qxd5 39. Nxe5 Ne4 40. Qd4
Qb5 41. Qxe4 Qxa6 42. Qd5 Qxb7 43. Qxb7 Bxb7 44. Nd7 Bc6 45. Nxf8 Kxf8 46. Bc5+
Ke8 47. Bd4 f6 48. g4 Kf7 49. h4 g5 50. h5 Bf3 51. Kg3 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.27"]
[Round "2.1"]
[White "Bjerre, Jonas Buhl"]
[Black "Salgado Lopez, Ivan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2640"]
[BlackElo "2599"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "1444948"]
[BlackFideId "2257327"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Ba4 O-O 6. O-O Re8 7. Be3 Bxe3 8.
fxe3 d6 9. c4 Bd7 10. Nc3 a6 11. Qe2 Ne7 12. Bxd7 Qxd7 13. h3 b5 14. b3 b4 15.
Na4 Ng6 16. Rf2 Qe7 17. Nh2 Nd7 18. Nf1 Qe6 19. Ng3 c6 20. Raf1 f6 21. d4 d5 22.
exd5 cxd5 23. cxd5 Qxd5 24. e4 Qb5 25. d5 Qxe2 26. Rxe2 Rec8 27. Nf5 Kf8 28. g3
Nh8 29. Nd6 Rc7 30. Rd1 Nf7 31. Nc4 Rac8 32. Kf2 Nc5 33. Nxc5 Rxc5 34. Ke3 Ke7
35. a3 bxa3 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.27"]
[Round "2.2"]
[White "Finek, Vaclav"]
[Black "Ma, Qun"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2478"]
[BlackElo "2645"]
[ECO "D13"]
[Opening "QGD Slav"]
[Variation "exchange variation"]
[WhiteFideId "23718293"]
[BlackFideId "8603154"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. Rc1 Nh5 8. Bd2
Nf6 9. a3 Bf5 10. Ne5 Rc8 11. Nxc6 Rxc6 12. Qb3 Qc7 13. Na2 Rxc1+ 14. Nxc1 e6
15. Qa4+ Nd7 16. e3 Bd6 17. Bd3 Bxd3 18. Nxd3 Qc4 19. Qxc4 dxc4 20. Nb4 Nb6 21.
Ke2 Kd7 22. Rc1 Rc8 23. Na2 Nd5 24. Nc3 f5 25. h3 h5 26. Rg1 Nf6 27. f3 e5 28.
dxe5 Bxe5 29. Nd1 Ke6 30. Bc3 Rc6 31. Bxe5 Kxe5 32. Nc3 Rb6 33. Na4 Rb3 34. Rd1
f4 35. exf4+ Kxf4 36. Rd2 Kg3 37. Ke1 Re3+ 38. Kf1 Rd3 39. Rxd3 cxd3 40. Nc3 d2
41. Kg1 b5 42. b3 g6 43. b4 g5 44. Ne2+ Kh4 45. Nc3 g4 46. hxg4 Nd5 47. Nd1 hxg4
48. fxg4 Nb6 49. Kf2 Nc4 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.27"]
[Round "2.3"]
[White "Maurizzi, Marc'Andria"]
[Black "Yakubboev, Nodirbek"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2581"]
[BlackElo "2659"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "36083534"]
[BlackFideId "14203987"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 Nbd7 7. Be2 b5 8. a4
b4 9. Nd5 Bb7 10. Qc4 Nxd5 11. exd5 Qc8 12. Qxb4 Bxd5 13. O-O g6 14. Be3 Bg7 15.
c4 Bb7 16. Qd2 a5 17. Nb3 Qc7 18. c5 Nxc5 19. Nxc5 dxc5 20. Bb5+ Kf8 21. Rac1
Qd6 22. Rfd1 Qxd2 23. Rxd2 Bf6 24. Rd7 Ba6 25. Bc6 Rc8 26. Bh6+ Bg7 27. Bxg7+
Kxg7 28. Rxc5 Rb8 29. Rxa5 Rxb2 30. h3 Rb6 31. Bf3 e6 32. Ra7 Bc4 33. Rc5 Ra6
34. Rxa6 Bxa6 35. a5 Rd8 36. Rc7 Rd4 37. Ra7 Rd6 38. h4 h6 39. Kh2 e5 40. h5 Bd3
41. hxg6 Kxg6 42. Rb7 Kg5 43. Rb6 Rd4 44. Bc6 Rh4+ 45. Kg3 Rh1 46. Rb3 Ba6 47.
Rb6 Bd3 48. Rb3 Ba6 49. Rc3 h5 50. Rc5 h4+ 51. Kf3 Re1 52. g4 f6 53. Kg2 Kxg4
54. Rc3 Ra1 55. Rc5 Be2 56. Bb7 Kf4 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.27"]
[Round "2.4"]
[White "Divya, Deshmukh"]
[Black "Stalmach, Richard"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2490"]
[BlackElo "2449"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange variation"]
[WhiteFideId "35006916"]
[BlackFideId "372048"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 Bf5 8.
Qf3 Bg4 9. Qg3 Qb4 10. Rb1 O-O 11. Bd3 Nbd7 12. a3 Qa5 13. Nh3 c5 14. O-O c4 15.
Bc2 Bxh3 16. Qxh3 g6 17. f4 Kg7 18. g4 Rad8 19. g5 Ng8 20. f5 f6 21. Qg2 Ne7 22.
Rf2 fxg5 23. Qxg5 Rf6 24. Rbf1 Rdf8 25. h4 Qb6 26. Bb1 Qc6 27. Ne2 Kh8 28. fxg6
Nxg6 29. h5 Ne7 30. Rxf6 Rxf6 31. Nf4 Qd6 32. Rf2 Rf8 33. Rg2 Qf6 34. Nxd5 Qf1+
35. Kh2 Rg8 36. Bg6 Nxd5 37. Qxd5 Nf6 38. Qf5 Qxf5 39. Bxf5 Re8 40. Rg3 Nxh5 41.
Rh3 Nf6 42. Kg2 Re7 43. Kf3 Rc7 44. Kf4 Nd5+ 45. Ke5 Nb6 46. e4 Na4 47. d5 Re7+
48. Kd4 b5 49. d6 Rf7 50. d7 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.27"]
[Round "2.5"]
[White "Nemec, Jachym"]
[Black "Kourkoulos-Arditis, Stamatis"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2433"]
[BlackElo "2580"]
[ECO "E46"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteFideId "23716525"]
[BlackFideId "4221990"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 Re8 6. a3 Bf8 7. d5 a5 8. Ng3 Na6
9. Be2 Nc5 10. b3 exd5 11. cxd5 c6 12. O-O b5 13. dxc6 dxc6 14. Qc2 Be6 15. Rb1
b4 16. axb4 axb4 17. Nd1 g6 18. f3 Ra5 19. Bc4 Bxc4 20. Qxc4 Nd3 21. Bb2 Nxb2
22. Rxb2 Qd5 23. Qe2 Bg7 24. e4 Qd4+ 25. Kh1 Rd8 26. Rb1 Qd2 27. Ne3 Qxe2 28.
Nxe2 Ra2 29. Nc1 Rad2 30. Nc4 Rc2 31. Ne3 Rc3 32. Nc4 c5 33. Re1 Bh6 34. Ne2 Rc2
35. Kg1 Nh5 36. g3 Rd3 37. Kf2 Bg7 38. e5 Rxb3 39. Rxb3 Rxc4 40. f4 Bf8 41. Rc1
Rxc1 42. Nxc1 Ng7 43. Rb1 c4 44. Ke3 h5 45. Ke4 h4 46. Na2 b3 47. Nc3 hxg3 48.
hxg3 f6 49. Kd5 fxe5 50. fxe5 Nf5 51. Kxc4 Bg7 52. Re1 b2 53. g4 Ne7 54. Kc5 Kf7
55. e6+ Kf8 56. Ne4 Nc8 57. Nd6 Ne7 58. Rf1+ Kg8 59. Ne4 Bh6 60. g5 Bf8 61. Nf6+
Kg7 62. Ne8+ Kg8 63. Nf6+ Kg7 64. Nd7 Nf5+ 65. Nxf8 Kxf8 66. Rb1 Ke7 67. Rxb2
Kxe6 68. Rb6+ Ke5 69. Rxg6 Nd4 70. Rg8 Ne6+ 71. Kc6 Kf5 72. g6 Kf6 73. Kd7 Ng7
74. Kd6 Nf5+ 75. Kd7 Ng7 76. Kd8 Ne6+ 77. Ke8 Ng7+ 78. Kd7 Nf5 79. Rf8+ Kxg6 80.
Ke6 Nh6 81. Rf1 Kg5 82. Ke5 Ng4+ 83. Ke4 Nf6+ 84. Kf3 Kf5 85. Ke3+ Ke5 86. Rxf6
Kxf6 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.28"]
[Round "3.1"]
[White "Yakubboev, Nodirbek"]
[Black "Divya, Deshmukh"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2659"]
[BlackElo "2490"]
[ECO "D41"]
[Opening "QGD"]
[Variation "Semi-Tarrasch, 5.cd"]
[WhiteFideId "14203987"]
[BlackFideId "35006916"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. Bg5 Be7 8.
e3 O-O 9. Rd1 Be6 10. Bd3 h6 11. Bh4 Nc6 12. Qa4 Qb6 13. Rd2 Rfd8 14. O-O Rd7
15. Rfd1 Rad8 16. h3 a6 17. Bg3 Bb4 18. Ne5 Re7 19. Nxc6 bxc6 20. a3 Bxc3 21.
bxc3 c5 22. Rb1 Qa7 23. Rdb2 Bc8 24. Qa5 Ree8 25. Bc7 Rd7 26. Bb6 Qa8 27. Bxc5
Ne4 28. Bd4 Bb7 29. Rb6 Nd2 30. Qa4 Red8 31. Qd1 Nxb1 32. Qg4 f6 33. Rxf6 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.28"]
[Round "3.2"]
[White "Salgado Lopez, Ivan"]
[Black "Nemec, Jachym"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2599"]
[BlackElo "2433"]
[ECO "E49"]
[Opening "Nimzo-Indian"]
[Variation "4.e3, Botvinnik system"]
[WhiteFideId "2257327"]
[BlackFideId "23716525"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8.
Bxc4 c5 9. Nf3 Qc7 10. Be2 b6 11. Bb2 Bb7 12. Rc1 Nbd7 13. h3 Rfe8 14. O-O Rad8
15. Re1 Nf8 16. Nd2 e5 17. Nf3 Ng6 18. Qc2 Bxf3 19. Bxf3 e4 20. Be2 c4 21. a4
Nd5 22. Bf1 Nh4 23. Qe2 Rc8 24. Rb1 a6 25. Qc2 Qd8 26. Bc1 Rc6 27. Bd2 Rg6 28.
Kh1 Nf3 29. Bxc4 Rxg2 30. Kxg2 Qg5+ 31. Kh1 Qf5 32. Kg2 Nh4+ 33. Kf1 Qxh3+ 34.
Ke2 Qf3+ 35. Kf1 Nf5 36. Kg1 Re6 37. Bxd5 Rg6+ 38. Kf1 Ng3+ 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.28"]
[Round "3.3"]
[White "Stalmach, Richard"]
[Black "Bjerre, Jonas Buhl"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2449"]
[BlackElo "2640"]
[ECO "E11"]
[Opening "Bogo-Indian defence, Gruenfeld variation"]
[WhiteFideId "372048"]
[BlackFideId "1444948"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d6 5. a3 Bxd2+ 6. Bxd2 b6 7. e3 Bb7 8.
Bd3 Nbd7 9. O-O O-O 10. b4 c5 11. Bc3 Ne4 12. Bb2 Rc8 13. Qe2 Qe7 14. Rfd1 f5
15. dxc5 bxc5 16. Ne1 e5 17. b5 Rf6 18. f3 Ng5 19. Qc2 Rcf8 20. a4 Rh6 21. Bf1
Qf7 22. Qf2 Qg6 23. Qg3 Nf6 24. Rxd6 f4 25. Rxf6 gxf6 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.28"]
[Round "3.4"]
[White "Kourkoulos-Arditis, Stamatis"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2580"]
[BlackElo "2478"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "4221990"]
[BlackFideId "23718293"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 a6 5. d4 Nc6 6. h3 Bg7 7. g3 Bf5 8. Bg2 Be4 9.
Nbd2 Bxf3 10. Nxf3 cxd4 11. cxd4 e6 12. O-O Nge7 13. g4 Qb6 14. Rb1 O-O 15. Be3
Rfc8 16. b4 Na7 17. Qb3 Qd8 18. Rfc1 Rxc1+ 19. Rxc1 Rc8 20. Rxc8 Nexc8 21. Bf1
Bf8 22. b5 axb5 23. Bxb5 Qb6 24. Be2 Qxb3 25. axb3 Nc6 26. Kf1 N8a7 27. Ke1 Na5
28. Bd1 Nb5 29. Kd2 Be7 30. Kc2 Nc6 31. Be2 Nc7 32. Nd2 Kg7 33. f4 Kg8 34. Nf3
Ne8 35. Kb2 Ng7 36. Ne1 h5 37. Nd3 hxg4 38. hxg4 b6 39. Kc3 Ne8 40. Kb2 Nc7 41.
Ne1 Nb4 42. Bd2 Kf8 43. Nf3 Ke8 44. Nh2 Nc6 45. Be3 Kd7 46. Bd3 Nb4 47. Bb1 Nc6
48. Nf3 Nb5 49. Bd3 Nc7 50. f5 gxf5 51. gxf5 exf5 52. Bxf5+ Ne6 53. Ne1 Kc7 54.
Nc2 Ncd8 55. Kc3 Kc6 56. Bg4 Nc7 57. Bh5 Nce6 58. Bf3 Nc7 59. Bh5 Nce6 60. Kd3
Ng7 61. Bf3 Nge6 62. Bh6 f6 63. Ne3 fxe5 64. Bxd5+ Kd6 65. dxe5+ Kxe5 66. Bh1 b5
67. Ng4+ Kd6 68. Bd2 Nc5+ 69. Kc2 Nde6 70. b4 Nd4+ 71. Kc3 Nce6 72. Be1 Nc6 73.
Bg3+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.02.28"]
[Round "3.5"]
[White "Ma, Qun"]
[Black "Maurizzi, Marc'Andria"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2645"]
[BlackElo "2581"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "8603154"]
[BlackFideId "36083534"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8.
Rxe5 O-O 9. d4 Ne8 10. c4 Bf6 11. Re1 d5 12. cxd5 Qxd5 13. Be3 Be6 14. Nc3 Qd7
15. d5 Bf5 16. Bd4 Bxd4 17. Qxd4 Nd6 18. h3 a6 19. Re5 Rfe8 20. Rae1 Rxe5 21.
Rxe5 Re8 22. g4 Bg6 23. f4 f6 24. Re3 h5 25. Be2 hxg4 26. hxg4 Rxe3 27. Qxe3 Bf7
28. Qa7 Qe8 29. Qd4 Qd7 30. Qa7 Qe8 31. Qd4 Qd7 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.01"]
[Round "4.1"]
[White "Bjerre, Jonas Buhl"]
[Black "Yakubboev, Nodirbek"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2640"]
[BlackElo "2659"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "1444948"]
[BlackFideId "14203987"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8.
O-O Nf6 9. Qe2 Be7 10. b3 O-O 11. Bb2 Bb7 12. Na4 Qc7 13. e5 Nd7 14. c4 Nb6 15.
cxd5 Nxd5 16. Be4 c5 17. Rac1 Rfc8 18. Ba3 Qa5 19. Qf3 Rc7 20. Rc4 Rac8 21. Rfc1
Bc6 22. h4 Bb5 23. Bxd5 exd5 24. Rf4 Qd2 25. Nc3 d4 26. Nd5 Qxa2 27. Nxe7+ Rxe7
28. Rxc5 Rce8 29. Bb4 h6 30. Rc1 Qb2 31. Re1 Rxe5 32. Rxe5 Rxe5 33. Rxf7 Qb1+
34. Kh2 Qe4 35. Rf8+ Kh7 36. Qg3 Rf5 37. f3 Qe5 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.01"]
[Round "4.2"]
[White "Nemec, Jachym"]
[Black "Stalmach, Richard"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2433"]
[BlackElo "2449"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "23716525"]
[BlackFideId "372048"]
[EventDate "2025.02.26"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. a4
Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 a5 12. Rfd1 h6 13. Bxf6 Nxf6 14. Ne5 Bxg2
15. Kxg2 c6 16. Qb3 Qb8 17. Nc4 Bb4 18. Na2 Be7 19. Nc3 Bb4 20. Na2 b5 21. Ne5
c5 22. Nxb4 axb4 23. axb5 Rxa1 24. Rxa1 cxd4 25. Nc6 Qxb5 26. Nxd4 Qb7+ 27. Nf3
Qe4 28. Rc1 Qxe2 29. Qxb4 Nd5 30. Qd2 Qxd2 31. Nxd2 Rb8 32. Rc2 g5 33. h3 Kg7
34. Kf3 h5 35. Nc4 Rb3+ 36. Ke2 h4 37. Nd2 Rb4 38. Rc4 Rxb2 39. Rg4 f6 40. gxh4
Nf4+ 41. Ke3 e5 42. Rg3 Ra2 43. Ne4 Nxh3 44. Nd6 Kg6 45. Nc4 Ra4 46. Rg4 Kh5 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.01"]
[Round "4.3"]
[White "Finek, Vaclav"]
[Black "Maurizzi, Marc'Andria"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2478"]
[BlackElo "2581"]
[ECO "A40"]
[Opening "Modern defence"]
[WhiteFideId "23718293"]
[BlackFideId "36083534"]
[EventDate "2025.02.26"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 d6 6. Nc3 a5 7. O-O Bf5 8. Nh4
Be6 9. Bxb7 Ra7 10. Bd5 Nxd5 11. cxd5 Bh3 12. Re1 Rb7 13. Ng2 c6 14. Nf4 Bc8 15.
e4 cxd5 16. exd5 Nd7 17. b3 Nf6 18. f3 Qd7 19. Qd3 Rc7 20. Bd2 Bb7 21. h4 Rfc8
22. Re2 Bh6 23. Ne4 Bxf4 24. Nxf6+ exf6 25. gxf4 Qh3 26. Rh2 Qg3+ 27. Rg2 Qxh4
28. f5 Bxd5 29. Rf1 Rc2 30. Rh2 Qg3+ 31. Rg2 Qh3 32. Rh2 Rxd2 33. Rxd2 g5 34.
Rh2 Qg3+ 35. Rg2 Qh4 36. Qe3 Qh3 37. Qd3 h5 38. Rh2 Qg3+ 39. Rg2 Qf4 40. Qd2
Qxd2 41. Rxd2 Rc3 42. f4 Kg7 43. Re1 h4 44. Rde2 Rg3+ 45. Kf1 h3 46. Rh2 g4 47.
Ke2 Kh6 48. Rc1 Rf3 49. Rc8 Rxf4 50. Ke3 Rf3+ 51. Ke2 Kg5 52. Rd8 Kf4 53. Rxd6
Re3+ 54. Kf1 Kg3 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.01"]
[Round "4.4"]
[White "Divya, Deshmukh"]
[Black "Ma, Qun"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2490"]
[BlackElo "2645"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "35006916"]
[BlackFideId "8603154"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 8.
Nf3 d5 9. d4 O-O 10. Nc3 Nh4 11. Nxh4 Bxh4 12. Bf4 Be6 13. Ne2 Ne7 14. Bg3 Ng6
15. c3 c6 16. Nf4 Bxg3 17. hxg3 Nxf4 18. gxf4 Qd6 19. g3 Bf5 20. Bd3 Bxd3 21.
Qxd3 Rae8 22. Re3 Re6 23. Rae1 Rfe8 24. f5 Rxe3 25. Rxe3 Rxe3 26. Qxe3 Kf8 27.
Kf1 a5 28. a4 h6 29. Qd2 Ke7 30. Qe2+ Kf6 31. Qh5 Qb8 32. g4 Qf4 33. Qh4+ Qg5
34. Qh2 Qxg4 35. Qe5+ Kg5 36. Qxg7+ Kf4 37. Qe5+ Kg5 38. Qg7+ Kf4 39. Qe5+ Kg5 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.01"]
[Round "4.5"]
[White "Kourkoulos-Arditis, Stamatis"]
[Black "Salgado Lopez, Ivan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2580"]
[BlackElo "2599"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[Variation "Italian four knights variation"]
[WhiteFideId "4221990"]
[BlackFideId "2257327"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 a6 6. a4 h6 7. O-O d6 8. Be3 Bg4
9. h3 Be6 10. Bd5 Bxe3 11. Bxc6+ bxc6 12. fxe3 c5 13. b3 O-O 14. Qe1 Nd7 15. g4
c6 16. Qg3 f6 17. Rf2 d5 18. exd5 cxd5 19. e4 d4 20. Ne2 Rf7 21. h4 g5 22. Rh2
Nf8 23. hxg5 hxg5 24. Kf2 Raa7 25. Rah1 Rh7 26. Rxh7 Rxh7 27. Rxh7 Kxh7 28. Qh3+
Kg7 29. Ng3 Ng6 30. Nh5+ Kf7 31. Ng3 Kg7 32. Nh5+ Kf7 33. Ng3 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.02"]
[Round "5.1"]
[White "Yakubboev, Nodirbek"]
[Black "Nemec, Jachym"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2659"]
[BlackElo "2433"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "14203987"]
[BlackFideId "23716525"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Ng6 7. Be2 Be7 8.
c4 O-O 9. Nc2 b6 10. Nc3 Bb7 11. Be3 Rc8 12. f4 Na5 13. b3 Bf6 14. e5 Be7 15.
Qd2 Nh4 16. g3 Nf5 17. Bf2 d5 18. exd6 Nxd6 19. Nd4 Qd7 20. Rad1 Rfd8 21. Bf3
Bf6 22. Qe2 Qe7 23. Rd3 Bxd4 24. Rxd4 Nf5 25. Rxd8+ Rxd8 26. Rd1 Rxd1+ 27. Qxd1
h6 28. Ne4 Qc7 29. Kg2 Bc6 30. g4 Ne7 31. Qd6 Qb7 32. Qd8+ Kh7 33. Qd3 f5 34.
gxf5 exf5 35. Nd2 Qc7 36. Be3 Nb7 37. Kf2 Bxf3 38. Nxf3 Nd6 39. Ne5 Ne4+ 40. Kf1
Nf6 41. Bd4 Qb7 42. Kg1 Qc7 43. Be3 Qb7 44. a4 Qc7 45. b4 Qb7 46. b5 Qc7 47. h3
Qb7 48. Kh2 Qc7 49. Qd4 Qb7 50. a5 bxa5 51. Qxa7 Qe4 52. Qd4 Qc2+ 53. Qd2 Qb3
54. Bd4 a4 55. Qc3 Qd1 56. Qd3 Qc1 57. Qe3 Qc2+ 58. Qf2 Qb1 59. Qg1 Qe4 60. Qe3
Qc2+ 61. Qf2 Qb1 62. b6 a3 63. Qg2 Nh5 64. Nd7 Qc1 65. Nf8+ Kg8 66. Ne6 a2 67.
b7 Qb1 68. Bxg7 Kf7 69. Bb2 a1=Q 70. b8=Q Qa6 71. Qf8+ Kxe6 72. Qe2+ 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.02"]
[Round "5.2"]
[White "Ma, Qun"]
[Black "Bjerre, Jonas Buhl"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2645"]
[BlackElo "2640"]
[ECO "C92"]
[Opening "Ruy Lopez"]
[Variation "closed, Flohr-Zaitsev system (Lenzerheide variation)"]
[WhiteFideId "8603154"]
[BlackFideId "1444948"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Nb8 13. a4 Nbd7 14. c4 c6 15. dxc6
Bxc6 16. cxb5 axb5 17. Ng5 Re7 18. axb5 Rxa1 19. bxc6 Nb8 20. Nxf7 Rxf7 21.
Bxf7+ Kxf7 22. Qb3+ Kg6 23. Qg3+ Kf7 24. Qb3+ Kg6 25. Qg3+ Kf7 26. Qb3+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.02"]
[Round "5.3"]
[White "Salgado Lopez, Ivan"]
[Black "Finek, Vaclav"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2599"]
[BlackElo "2478"]
[ECO "A05"]
[Opening "Reti opening"]
[WhiteFideId "2257327"]
[BlackFideId "23718293"]
[EventDate "2025.02.26"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 Be7 4. g4 O-O 5. g5 Ne4 6. h4 d5 7. d3 Nd6 8. e4 c5
9. Nbd2 Nc6 10. Bg2 d4 11. e5 Nf5 12. Kf1 Rb8 13. Ne4 b5 14. Bc1 c4 15. Nh2 Kh8
16. Ng4 Nb4 17. Ngf6 Nd5 18. Qh5 gxf6 19. gxf6 Bxf6 20. exf6 Nxf6 21. Qg5 Nd5
22. Qxd8 Rxd8 23. Bg5 Rf8 24. Nf6 h6 25. Bxd5 hxg5 26. hxg5+ Kg7 27. Be4 Rh8 28.
Rxh8 Kxh8 29. Ke2 Kg7 30. Rh1 Bb7 31. Rh7+ Kg6 32. f4 Bxe4 33. dxe4 d3+ 34. cxd3
Nd4+ 35. Ke3 cxb3 36. axb3 Nxb3 37. Rh6+ Kg7 38. Nh5+ Kg8 39. f5 exf5 40. exf5
Rb7 41. Nf6+ Kf8 42. Rh8+ Ke7 43. Ne4 Rb6 44. d4 Nxd4 45. Kxd4 b4 46. Kd5 b3 47.
f6+ Kd7 48. Nc5+ Kc7 49. Nxb3 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.02"]
[Round "5.4"]
[White "Maurizzi, Marc'Andria"]
[Black "Divya, Deshmukh"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2581"]
[BlackElo "2490"]
[ECO "D40"]
[Opening "QGD"]
[Variation "Semi-Tarrasch defence"]
[WhiteFideId "36083534"]
[BlackFideId "35006916"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. e3 a6 6. cxd5 exd5 7. g3 Nc6 8. Bg2
Bd6 9. dxc5 Bxc5 10. O-O O-O 11. b3 Be6 12. Bb2 Qe7 13. Ne2 Ba3 14. Bxa3 Qxa3
15. Nf4 Rfd8 16. Qc1 Qxc1 17. Raxc1 Bf5 18. Rfd1 Be4 19. Nd4 Nxd4 20. Rxd4 g5
21. Ne2 Bxg2 22. Kxg2 Rdc8 23. h4 h6 24. Rdd1 Kg7 25. a4 Kg6 26. a5 Rab8 27. f3
Re8 28. Kf2 Rbc8 29. hxg5 hxg5 30. g4 Rh8 31. Rxc8 Rxc8 32. Nd4 Kg7 33. Nf5+ Kf8
34. Rh1 Ng8 35. Nd4 Kg7 36. b4 Ne7 37. Rb1 b5 38. axb6 Rb8 39. Ke2 Rxb6 40. Kd3
Kf6 41. Kc3 Ng6 42. Rh1 Rb8 43. Ra1 Rb6 44. Ra5 Ke5 45. Rc5 Rf6 46. Kd3 Nh4 47.
Ke2 Rb6 48. Rc7 Kf6 49. Rc6+ Rxc6 50. Nxc6 Ke6 51. Nb8 Kd6 52. Nxa6 Kc6 53. Nc5
Kb5 54. Nd3 f5 55. f4 gxf4 56. g5 fxe3 57. Kxe3 Ng6 58. Kd4 f4 59. Kxd5 f3 60.
Kd4 Nf4 61. Ke4 Ne6 62. g6 Kc4 63. Ne5+ Kxb4 64. Nxf3 Kc5 65. Ke5 Ng7 66. Nd4
Nh5 67. Nf5 Kc6 68. Ng3 Ng7 69. Kf6 Ne8+ 70. Ke7 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.02"]
[Round "5.5"]
[White "Stalmach, Richard"]
[Black "Kourkoulos-Arditis, Stamatis"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2449"]
[BlackElo "2580"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "372048"]
[BlackFideId "4221990"]
[EventDate "2025.02.26"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2
Nbd7 9. Bf4 b6 10. Nbd2 Nh5 11. Be5 Bb7 12. Rac1 c5 13. dxc5 bxc5 14. cxd5 exd5
15. Rfd1 Qb6 16. Nc4 Qa6 17. Ne3 d4 18. Nf5 Rfe8 19. Bd6 Bf6 20. g4 Rxe2 21. Qc4
Qxc4 22. Rxc4 g6 23. N3xd4 Rxb2 24. Nh6+ Kg7 25. Ndf5+ gxf5 26. Nxf5+ Kg6 27.
gxh5+ Kxf5 28. Bh3+ Kg5 29. Bxd7 Bd4 30. Bxc5 Bxc5 31. Rxc5+ Kf6 32. Bg4 h6 33.
h3 Be4 34. Ra5 Rb1 35. Rxb1 Bxb1 36. Bf3 Rg8+ 37. Kh2 Rb8 38. Rxa7 Rb2 39. Bd5
Rxf2+ 40. Kg3 Rd2 41. Bxf7 Rd3+ 42. Kg2 Rd2+ 43. Kf3 Rd3+ 44. Kg4 Rd4+ 45. Kg3
Rd3+ 46. Kh2 Rd2+ 47. Kg1 Bf5 48. h4 Ke5 49. Ra6 Kf4 50. Rxh6 Kg3 51. Bc4 Rd1+
52. Bf1 Kxh4 53. Rf6 Kg5 54. Rf7 Be6 55. Rg7+ Kxh5 56. Kf2 Rd2+ 57. Ke3 Rxa2 58.
Bd3 Ra3 59. Ke4 Kh6 60. Re7 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.04"]
[Round "6.1"]
[White "Kourkoulos-Arditis, Stamatis"]
[Black "Yakubboev, Nodirbek"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2580"]
[BlackElo "2659"]
[ECO "B92"]
[Opening "Sicilian"]
[Variation "Najdorf, Opovcensky variation"]
[WhiteFideId "4221990"]
[BlackFideId "14203987"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. Qd3 Be6 10. Rd1 Nbd7 11. Nd5 Bxd5 12. exd5 Rc8 13. a4 e4 14. Qg3 Rxc2 15.
Nd4 Rc5 16. Nf5 Ne8 17. Be3 Rc2 18. Rac1 Rxc1 19. Rxc1 Bf6 20. b4 g6 21. Nh6+
Kh8 22. Qf4 Qe7 23. g3 Bb2 24. Rc2 Bg7 25. h4 f5 26. Qg5 Bf6 27. Qf4 Ne5 28. Bb6
Bg7 29. Qg5 Qd7 30. b5 Nf3+ 31. Bxf3 exf3 32. bxa6 Qxa4 33. Rc1 Qxa6 34. Bd8 Qe2
35. h5 Bd4 36. Rf1 Nf6 37. hxg6 Bxf2+ 38. Rxf2 Qxf2+ 39. Kxf2 Ne4+ 40. Kxf3
Nxg5+ 41. Bxg5 hxg6 42. Be7 Re8 43. Bf6+ Kh7 44. Nf7 Rf8 45. Ng5+ Kh6 46. Bd8 b5
47. Ne6 Rf7 48. Bg5+ Kh5 49. Bd2 Rb7 50. Bb4 g5 51. Nd4 Kg6 52. Nc6 Rd7 53. Nd4
Kf6 54. Nc6 Kg6 55. Ba3 Kf6 56. Bb2+ Kg6 57. Bc3 Rh7 58. Bb4 Rd7 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.04"]
[Round "6.2"]
[White "Bjerre, Jonas Buhl"]
[Black "Maurizzi, Marc'Andria"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2640"]
[BlackElo "2581"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "1444948"]
[BlackFideId "36083534"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O d6 6. Bxc6+ bxc6 7. h3 h6 8. Nc3
O-O 9. Ne2 Re8 10. Ng3 d5 11. b3 dxe4 12. dxe4 Qxd1 13. Rxd1 Nd7 14. Ne1 Nf8 15.
Nd3 Bd6 16. Be3 Ne6 17. Nf5 c5 18. Nxd6 cxd6 19. Nb2 Nd4 20. Rd2 Bb7 21. f3 f5
22. Nc4 Rad8 23. c3 fxe4 24. cxd4 cxd4 25. fxe4 dxe3 26. Rxd6 Bxe4 27. Re1 Bd5
28. Rxd8 Rxd8 29. Nxe5 Bb7 30. Nc4 Ba6 31. Rxe3 Rd1+ 32. Kh2 Ra1 33. Re2 Rc1 34.
Re8+ Kh7 35. Ne3 Bd3 36. Re7 Re1 37. Nd5 Rxe7 38. Nxe7 Be4 39. b4 a6 40. a4 g5
41. b5 axb5 42. axb5 Kg7 43. Nc8 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.04"]
[Round "6.3"]
[White "Salgado Lopez, Ivan"]
[Black "Stalmach, Richard"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2599"]
[BlackElo "2449"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "Indian variation"]
[WhiteFideId "2257327"]
[BlackFideId "372048"]
[EventDate "2025.02.26"]

1. b3 Nf6 2. Bb2 c5 3. c4 Nc6 4. Bxf6 gxf6 5. Nc3 f5 6. g3 b6 7. Bg2 Bb7 8. e3
Qc8 9. Nf3 Bg7 10. Rc1 Ne5 11. d4 cxd4 12. exd4 Nxf3+ 13. Bxf3 Bxf3 14. Qxf3
Bxd4 15. Nd5 Kf8 16. Qxf5 e6 17. Qf4 Qc5 18. Ne3 Bxe3 19. Qxe3 Qxe3+ 20. fxe3 h5
21. Rf1 Ke7 22. Rd1 Rag8 23. Rf4 e5 24. Rf2 d6 25. Ke2 h4 26. Rg1 Rg4 27. Kf1
Rhg8 28. Rfg2 Re4 29. Ke2 Reg4 30. Kf1 R8g6 31. gxh4 Rf6+ 32. Rf2 Rxh4 33. Rg2
Rfh6 34. Kg1 Rh3 35. Rg3 Ke6 36. e4 R3h4 37. Re2 Rf6 38. h3 Rhf4 39. Kg2 Rf1 40.
Rd3 Ra1 41. h4 Rg6+ 42. Rg3 Rg1+ 43. Kxg1 Rxg3+ 44. Kh2 Rg4 45. Kh3 f5 46. exf5+
Kxf5 47. Rd2 Rg6 48. Rf2+ Ke4 49. h5 Rg1 50. Rf6 d5 51. cxd5 Kxd5 52. h6 Ke4 53.
Kh4 Ke3 54. Kh5 e4 55. h7 Rh1+ 56. Kg6 Kd2 57. Rd6+ Kc2 58. Re6 Kd3 59. Re7 e3
60. Rxa7 e2 61. Rd7+ Kc2 62. Re7 Kd2 63. Rd7+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.04"]
[Round "6.4"]
[White "Finek, Vaclav"]
[Black "Divya, Deshmukh"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2478"]
[BlackElo "2490"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "23718293"]
[BlackFideId "35006916"]
[EventDate "2025.02.26"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4
Nbd7 9. Nbd2 b6 10. Ne5 Nxe5 11. dxe5 Nd5 12. Qxc4 c5 13. Qg4 Rb8 14. Nc4 f5 15.
exf6 Bxf6 16. Nd2 Nb4 17. Ne4 e5 18. Qh5 g6 19. Qf3 Be6 20. Qc3 Bg7 21. a5 bxa5
22. Bg5 Qb6 23. Rad1 Qb5 24. Rd6 Rbe8 25. Qd2 Kh8 26. Bh6 Bf5 27. Bxg7+ Kxg7 28.
h4 Qb8 29. Rd1 Qa7 30. Qg5 Qe7 31. Nxc5 Qxg5 32. hxg5 Bg4 33. R1d2 Rc8 34. Ne6+
Bxe6 35. Rxe6 Rc1+ 36. Bf1 Rc5 37. e3 Rf7 38. b3 e4 39. Rxe4 Rxg5 40. Bc4 Rc7
41. Rd8 h5 42. Rd6 Rg4 43. Rxg4 hxg4 44. Rd4 Nc6 45. Re4 Kf6 46. Rxg4 Ne5 47.
Rf4+ Ke7 48. Bxa6 Rc6 49. Bb7 Rc1+ 50. Kg2 Nd3 51. Rd4 Nc5 52. Bd5 Rb1 53. Rc4
Nxb3 54. Ra4 Nc5 55. Rxa5 Kd6 56. Bf7 g5 57. Bg6 Rb4 58. Ra8 g4 59. Rf8 Ne6 60.
Rf6 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.04"]
[Round "6.5"]
[White "Nemec, Jachym"]
[Black "Ma, Qun"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2433"]
[BlackElo "2645"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Yugoslav variation"]
[WhiteFideId "23716525"]
[BlackFideId "8603154"]
[EventDate "2025.02.26"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nf6 5. d3 Nbd7 6. h3 Bh5 7. Qe1 e5 8. e4
Bxf3 9. Bxf3 Bc5 10. exd5 Nxd5 11. Nc3 Nxc3 12. bxc3 O-O 13. Rb1 Qc7 14. Be3
Rfe8 15. Bxc5 Nxc5 16. Qe3 Qa5 17. Rb4 Re7 18. Rfb1 Rae8 19. Bg2 Re6 20. h4 b6
21. Bh3 R6e7 22. Rc4 e4 23. d4 Qxa2 24. Rcb4 Nd7 25. R4b2 Qa4 26. Bf1 Nf6 27. c4
h6 28. Rb3 Qa5 29. Be2 Qf5 30. Ra1 Rd7 31. Rba3 Ree7 32. Ra6 g5 33. hxg5 hxg5
34. Kg2 Kg7 35. Rh1 Rd6 36. Raa1 Ng4 37. Bxg4 Qxg4 38. Rh2 Qf3+ 39. Kf1 Kg6 40.
Ke1 Qxe3+ 41. fxe3 Kf5 42. g4+ Kxg4 43. Ke2 Kf5 44. Rf1+ Kg6 45. Rfh1 Red7 46.
Rh6+ Kg7 47. Rh7+ Kf6 48. Rh8 c5 49. c3 cxd4 50. cxd4 Rc7 51. R8h7 Rdc6 52.
R7h6+ Ke7 53. Rxc6 Rxc6 54. Rc1 f5 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.05"]
[Round "7.1"]
[White "Yakubboev, Nodirbek"]
[Black "Salgado Lopez, Ivan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2659"]
[BlackElo "2599"]
[ECO "C53"]
[Opening "Giuoco Piano"]
[WhiteFideId "14203987"]
[BlackFideId "2257327"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 a6 8. Nbd2
Ba7 9. O-O Qe7 10. b4 Be6 11. a4 Bxc4 12. Nxc4 Qe6 13. Bxf6 Qxf6 14. b5 Ne7 15.
d4 exd4 16. cxd4 O-O 17. bxa6 bxa6 18. Rc1 Nc6 19. d5 Ne7 20. Qd3 Rfe8 21. a5
Qg6 22. Ncd2 Rec8 23. Rc3 c6 24. Rfc1 Bc5 25. Rxc5 dxc5 26. d6 Rd8 27. Nc4 Nd5
28. Nfe5 Qe6 29. Nxc6 Nb4 30. Nxd8 Nxd3 31. Nxe6 Nxc1 32. Nb6 fxe6 33. Nxa8 Kf7
34. Nb6 e5 35. Nc4 Ke6 36. g3 Ne2+ 37. Kg2 Nc3 38. f3 g5 39. Kf2 g4 40. d7 Kxd7
41. Nxe5+ Kd6 42. Nxg4 c4 43. Nxh6 Kc5 44. Nf5 Kb4 45. h4 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.05"]
[Round "7.2"]
[White "Divya, Deshmukh"]
[Black "Bjerre, Jonas Buhl"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2490"]
[BlackElo "2640"]
[ECO "E49"]
[Opening "Nimzo-Indian"]
[Variation "4.e3, Botvinnik system"]
[WhiteFideId "35006916"]
[BlackFideId "1444948"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8.
Bxc4 c5 9. Ne2 Qc7 10. Bd3 b6 11. O-O Ba6 12. e4 Bxd3 13. Qxd3 Nbd7 14. Bf4 Qc6
15. f3 Qa4 16. Rfd1 Rfc8 17. Rd2 b5 18. Rb2 a6 19. Bd6 Qa5 20. Qd1 Ne8 21. dxc5
Nxc5 22. Bxc5 Rxc5 23. a4 Rd8 24. Qe1 bxa4 25. Rb4 Qc7 26. Rbxa4 a5 27. Rd4 Ra8
28. Qd2 Rc6 29. Kh1 h6 30. Rd1 a4 31. Rd8 Rca6 32. Rd7 Qe5 33. Nc1 a3 34. Na2
Rb6 35. Rd8 Rxd8 36. Qxd8 Rb8 37. Qe7 Nd6 38. h3 Nc4 39. Rd8+ Kh7 40. Rxb8 Qxb8
41. Qb4 Qc7 42. Qb3 h5 43. Nb4 Ne3 44. c4 Qxc4 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.05"]
[Round "7.3"]
[White "Ma, Qun"]
[Black "Kourkoulos-Arditis, Stamatis"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2645"]
[BlackElo "2580"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Moeller defence"]
[WhiteFideId "8603154"]
[BlackFideId "4221990"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6
9. a4 Bg4 10. h3 Bh5 11. axb5 axb5 12. Rxa8 Qxa8 13. g4 Bg6 14. g5 Ng8 15. dxe5
Nxe5 16. Nxe5 dxe5 17. Qd3 c6 18. Rd1 Qc8 19. Na3 Ne7 20. Nxb5 O-O 21. Na3 Bh5
22. Re1 Ng6 23. Qg3 Rd8 24. Nc4 Qe6 25. Nd2 Qc8 26. Bc4 Nf4 27. Bf1 Qe6 28. Nc4
Bc7 29. Qh4 Bf3 30. Nd2 Bh5 31. Kh2 h6 32. gxh6 Qxh6 33. Nc4 g5 34. Qg3 Bg6 35.
Ne3 Kg7 36. f3 f6 37. Ng4 Qh8 38. Be3 Qg8 39. Kg1 Qb3 40. Qf2 Rb8 41. Ra1 Bf7
42. Ra7 Rb7 43. Rxb7 Qxb7 44. h4 Be6 45. hxg5 fxg5 46. b4 Qc8 47. Qg3 Kg6 48.
Nf2 Qd8 49. c4 Qb8 50. Nh3 Qd8 51. Nf2 Qb8 52. b5 cxb5 53. cxb5 Bb6 54. Nd1 Bh3
55. Bxb6 Bxf1 56. Kxf1 Qxb6 57. Qe1 Qxb5+ 58. Kg1 Qb3 59. Ne3 Qb2 60. Qf1 Qd4
61. Qe1 g4 62. Kh1 gxf3 63. Qg3+ Kf7 64. Qxf3 Qd3 65. Kh2 Qd2+ 66. Kg3 Qe1+ 67.
Qf2 Qh1 68. Qa2+ Ne6 69. Qa7+ Kg6 70. Ng2 Qc1 71. Qe7 Qg5+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.05"]
[Round "7.4"]
[White "Stalmach, Richard"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2449"]
[BlackElo "2478"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "372048"]
[BlackFideId "23718293"]
[EventDate "2025.02.26"]

1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. d4 b5 5. b3 Bb7 6. Bg2 Be7 7. O-O O-O 8. Nc3 b4
9. Na4 d6 10. Nb2 Nbd7 11. Nd3 c5 12. Bb2 Qc7 13. Qc2 a5 14. a4 Rac8 15. dxc5
Nxc5 16. Nxc5 Qxc5 17. Ng5 Qxg5 18. Bxb7 Rc7 19. Bf3 Qg6 20. Qd2 Nd7 21. Bd4 Nc5
22. Bxc5 Rxc5 23. Rad1 Qg5 24. Qd4 Qe5 25. e3 Rd8 26. Bg2 g6 27. f4 Qxd4 28.
exd4 Rc7 29. g4 d5 30. c5 f5 31. h3 Kf7 32. Kf2 Rg8 33. Bf3 Bd8 34. Rg1 Kf8 35.
Rd2 Kf7 36. Re2 Bf6 37. Ke3 Rd8 38. Kd3 Rc6 39. Reg2 Rcc8 40. Re1 Rc6 41. Reg1
Rh8 42. Ke3 Rc7 43. Be2 Rc6 44. Bb5 Rc7 45. Kd3 Re7 46. Re1 Rc8 47. Re3 Rcc7 48.
g5 Bg7 49. h4 Rc8 50. h5 gxh5 51. Rh3 h6 52. Rxh5 hxg5 53. Rhxg5 Bf6 54. Rh5 Rh8
55. Rxh8 Bxh8 56. Ke3 Kf8 57. Be2 Rh7 58. c6 Rc7 59. Bb5 Bf6 60. Rh2 Kg7 61. Rc2
Bd8 62. Be2 Kf6 63. Bf3 Ke7 64. Bh5 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.05"]
[Round "7.5"]
[White "Maurizzi, Marc'Andria"]
[Black "Nemec, Jachym"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2581"]
[BlackElo "2433"]
[ECO "E51"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 e8g8, 5.Nf3 d7d5"]
[WhiteFideId "36083534"]
[BlackFideId "23716525"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 O-O 5. e3 d5 6. Bd2 Nbd7 7. Rc1 a5 8. a3
Be7 9. Bd3 dxc4 10. Bxc4 b6 11. O-O Bb7 12. Qe2 c5 13. Rfd1 Qb8 14. Be1 Rd8 15.
d5 exd5 16. Nxd5 Nxd5 17. Bxd5 Bxd5 18. Rxd5 Qb7 19. Rcd1 Nf6 20. Rxd8+ Rxd8 21.
Rxd8+ Bxd8 22. a4 Qe4 23. b3 Bc7 24. Kf1 h6 25. h3 Qf5 26. Qa6 Kh7 27. Ke2 Kg8
28. Nd2 Qh5+ 29. g4 Qe5 30. Qc8+ Ne8 31. Nc4 Qe4 32. Qf5 Qb7 33. Bc3 Bd8 34. Qe5
Be7 35. Nxb6 Nf6 36. Bxa5 Bf8 37. Qf5 Qh1 38. Be1 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.06"]
[Round "8.1"]
[White "Finek, Vaclav"]
[Black "Bjerre, Jonas Buhl"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2478"]
[BlackElo "2640"]
[ECO "E11"]
[Opening "Bogo-Indian defence, Nimzovich variation"]
[WhiteFideId "23718293"]
[BlackFideId "1444948"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Nc6 7. Nc3 d5 8.
Ne5 dxc4 9. Bg2 Nxe5 10. dxe5 Nd7 11. f4 O-O 12. O-O Rb8 13. Rad1 b5 14. Qd4 Rb6
15. Ne4 f5 16. exf6 Nxf6 17. b3 cxb3 18. axb3 Nxe4 19. Bxe4 Bb7 20. Bxb7 Rxb7
21. b4 c6 22. Rc1 Rc7 23. Rfd1 Ra8 24. Qd6 Qxd6 25. Rxd6 c5 26. bxc5 Kf7 27. Ra6
Rb8 28. Rca1 Rxc5 29. Rxa7+ Kf6 30. Rb1 b4 31. Rb3 h5 32. Kf2 g5 33. fxg5+ Kxg5
34. Ra4 Rcb5 35. Ra7 Kf6 36. Rc7 Ke5 37. Rc4 Kd5 38. Rh4 Kc6 39. Rc4+ Kd5 40.
Rh4 e5 41. Ke3 Kc5 42. Kd3 Rd8+ 43. Kc2 Rb7 44. Rxh5 Rc7 45. Rh4 Kb5+ 46. Kb1
Rd1+ 47. Kb2 Rd2+ 48. Kb1 Rc4 49. Re3 Rxh4 50. Rxe5+ Ka4 51. gxh4 b3 52. Re8 Ka3
53. Ra8+ Kb4 54. Rb8+ Ka3 55. Ra8+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.06"]
[Round "8.2"]
[White "Stalmach, Richard"]
[Black "Yakubboev, Nodirbek"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2449"]
[BlackElo "2659"]
[ECO "E01"]
[Opening "Catalan"]
[Variation "closed"]
[WhiteFideId "372048"]
[BlackFideId "14203987"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 b6 7. O-O Bb7 8. b3 a5
9. Bb2 a4 10. bxa4 Qd7 11. Ne5 Qxa4 12. Nb3 Nc6 13. Nxc6 Bxc6 14. Qc2 Bd6 15.
Rfc1 Bd7 16. c5 Be7 17. c6 Bc8 18. f3 Ne8 19. e4 Nd6 20. f4 Nxe4 21. Bxe4 dxe4
22. Qxe4 Rd8 23. Nd2 Qb5 24. Qc2 Qa4 25. Qxa4 Rxa4 26. Rc4 Rxc4 27. Nxc4 Ba6 28.
Rc1 Bb5 29. Na3 Ba4 30. Kf2 f6 31. Nb1 Kf7 32. Ke3 Ra8 33. a3 Ke8 34. g4 Bb3 35.
Nd2 Bd5 36. f5 exf5 37. gxf5 Kf7 38. Kd3 b5 39. Ne4 Bxa3 40. Rb1 Re8 41. Nd2 Bd6
42. Rc1 g5 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.06"]
[Round "8.3"]
[White "Salgado Lopez, Ivan"]
[Black "Ma, Qun"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2599"]
[BlackElo "2645"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "2257327"]
[BlackFideId "8603154"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8.
Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 11. c3 Rxe1 12. Qxe1 Ne8 13. Bf4 d5 14. Nd2 g6
15. h3 Ng7 16. Qe3 c6 17. Nf3 Qe7 18. Be5 Nf5 19. Qf4 Bg7 20. Re1 Be6 21. Bxg7
Nxg7 22. Bd3 Re8 23. Qh6 f6 24. Nh4 Qd7 25. Kf1 Bf7 26. Rxe8+ Nxe8 27. Qf4 Qd6
28. Qxd6 Nxd6 29. g4 g5 30. Nf5 Nxf5 31. Bxf5 Be8 32. Ke2 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.06"]
[Round "8.4"]
[White "Kourkoulos-Arditis, Stamatis"]
[Black "Maurizzi, Marc'Andria"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2580"]
[BlackElo "2581"]
[ECO "B31"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (with ...g6, without ...d6)"]
[WhiteFideId "4221990"]
[BlackFideId "36083534"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 b6 7. O-O Nf6 8. Nc3
Nd7 9. Be3 e5 10. Qd2 Nf8 11. Bh6 Bf6 12. h4 Ne6 13. g3 Rg8 14. Kg2 Bd7 15. a3
Qe7 16. b4 c4 17. a4 Nd4 18. Rfb1 Nxf3 19. Kxf3 g5 20. hxg5 Bxg5 21. Bxg5 Rxg5
22. Rh1 f5 23. exf5 Bxf5 24. Ne4 Rg6 25. Kg2 O-O-O 26. Rae1 Rd4 27. b5 Qd7 28.
bxc6 Rxc6 29. Qg5 cxd3 30. cxd3 Rxd3 31. Nf6 Qe6 32. Rh6 Bg6 33. Ng4 e4 34. Ne3
Qf7 35. Rh4 Rc5 36. Qh6 Bh5 37. Kg1 Bg6 38. Rf4 Qd7 39. Qf8+ Kb7 40. Kg2 Qxa4
41. Qg8 Rc8 42. Qg7+ Rc7 43. Qe5 Rc5 44. Qe6 Qd7 45. Qf6 Rh5 46. Rh1 Rxh1 47.
Kxh1 Rd6 48. Qe5 Qe6 49. Qg5 Rc6 50. Kg2 a5 51. Qb5 Rc5 52. Qb2 Rc6 53. Qd4 Qd6
54. Qh8 Rc8 55. Qb2 Qb4 56. Qg7+ Rc7 57. Qg8 Qc5 58. Qd8 Rc8 59. Qd7+ Qc7 60.
Qd5+ Qc6 61. Qd4 Qc5 62. Qd7+ Qc7 63. Qd5+ Qc6 64. Qd4 Re8 65. Rf6 Re6 66. Rf8
Re8 67. Rf6 Re6 68. Rf8 a4 69. Rd8 Be8 70. Kh2 Qc5 71. Qg7+ Qc7 72. Qd4 Qe5 73.
Qc4 Bc6 74. Kg2 Qf6 75. Rg8 Qf7 76. Rg5 Rf6 77. Qc2 a3 78. Kg1 a2 79. Qc3 Bd7
80. Nd5 Rc6 81. Qb2 Qf3 82. Ne3 Rh6 0-1

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.06"]
[Round "8.5"]
[White "Nemec, Jachym"]
[Black "Divya, Deshmukh"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2433"]
[BlackElo "2490"]
[ECO "A35"]
[Opening "English"]
[Variation "symmetrical, four knights system"]
[WhiteFideId "23716525"]
[BlackFideId "35006916"]
[EventDate "2025.02.26"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. d4 cxd4 7. Nxd4 Bd7 8. O-O
h5 9. h4 Bg7 10. e3 O-O 11. b3 Bg4 12. Qd2 Qd7 13. Re1 Bh3 14. Bh1 Rfd8 15. Bb2
Rac8 16. Rad1 Ng4 17. Nde2 Nge5 18. f3 Be6 19. Ba1 Qe8 20. Nf4 Bd7 21. e4 Nb8
22. Nfd5 Na6 23. Rf1 Bc6 24. f4 Ng4 25. f5 e6 26. fxg6 fxg6 27. Nf4 Nc7 28. Bf3
Ne5 29. Bg2 a6 30. Nce2 Qe7 31. Bb2 b5 32. cxb5 Bxb5 33. a4 Bxe2 34. Qxe2 Qe8
35. Bh3 Rb8 36. Qc2 Rb7 37. Ba3 Bf8 38. Kh1 Kh7 39. Rd2 Rc8 40. Qd1 Rcb8 41.
Bxd6 Bxd6 42. Rxd6 Rxb3 43. Qd4 Qh8 44. Nxe6 Nxe6 45. Rxe6 Re8 46. Rc1 Rb7 47.
Rxa6 Qf8 48. Bg2 Qa3 49. Rc3 Rb1+ 50. Kh2 Qxc3 51. Qxc3 Ng4+ 52. Kh3 Nf2+ 53.
Kh2 Ng4+ 54. Kh3 Nf2+ 55. Kh2 Ng4+ 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.07"]
[Round "9.1"]
[White "Yakubboev, Nodirbek"]
[Black "Finek, Vaclav"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2659"]
[BlackElo "2478"]
[ECO "E11"]
[Opening "Bogo-Indian defence"]
[WhiteFideId "14203987"]
[BlackFideId "23718293"]
[EventDate "2025.02.26"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. g3 O-O 7. Bg2 c6 8.
O-O dxc4 9. Ne5 b5 10. a4 Nd5 11. axb5 cxb5 12. Nc3 Qb6 13. Nxd5 exd5 14. Qa5
Qxa5 15. Rxa5 a6 16. Bxd5 Ra7 17. Nc6 Nxc6 18. Bxc6 Re7 19. e3 g5 20. d5 Rd8 21.
Re1 f5 22. f3 Kg7 23. Kf2 Kf6 24. f4 gxf4 25. gxf4 Rg7 26. e4 fxe4 27. Rxe4 Rg4
28. Ra3 Rh4 29. Kg2 Rg4+ 30. Kf2 Rh4 31. Kg2 Rg4+ 32. Kf2 Rh4 1/2-1/2

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.07"]
[Round "9.2"]
[White "Bjerre, Jonas Buhl"]
[Black "Nemec, Jachym"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2640"]
[BlackElo "2433"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "1444948"]
[BlackFideId "23716525"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. c3 d5 5. d3 Ne7 6. O-O Ng6 7. exd5 exd5 8. d4
Be7 9. dxc5 Bxc5 10. Qe2+ Ne7 11. Nbd2 a6 12. Bd3 Bg4 13. Re1 Bd6 14. Qe3 h6 15.
Nd4 Qc7 16. Nxc6 bxc6 17. h3 Bd7 18. Bc2 O-O 19. Qd3 Ng6 20. Nf3 Rfe8 21. Bd2 a5
22. c4 dxc4 23. Qxc4 Be6 24. Qa4 Qb7 25. Be4 Ne7 26. Qc2 Bd5 27. Bxd5 cxd5 28.
a3 Rec8 29. Bc3 Ng6 30. Qd2 a4 31. Rad1 Nf4 32. Nd4 Qd7 33. Re3 Re8 34. Rde1
Rxe3 35. Qxe3 Rc8 36. h4 Qg4 37. g3 Nh5 38. Qe2 Qg6 39. Qf3 Nf6 40. Nf5 Bf8 41.
Kg2 h5 42. Re5 Qg4 43. Qe3 Bc5 44. Nh6+ 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.07"]
[Round "9.3"]
[White "Ma, Qun"]
[Black "Stalmach, Richard"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2645"]
[BlackElo "2449"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "8603154"]
[BlackFideId "372048"]
[EventDate "2025.02.26"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4
Qb6 9. a3 Nc6 10. Bf2 Qc7 11. Qf3 e5 12. Nxc6 bxc6 13. Bc4 Bg4 14. Qg3 exf4 15.
Qxf4 Be7 16. Bd4 Be6 17. Bxe6 fxe6 18. e5 d5 19. O-O c5 20. exf6 Qxf4 21. Rxf4
cxd4 22. Nxd5 exd5 23. fxe7 Kxe7 24. Rxd4 Rhc8 25. Re1+ Kd6 26. Re2 Rab8 27. b3
Rc3 28. Red2 Rb5 29. Kf1 Re3 30. a4 Ra5 31. Kf2 Rc3 32. Ke2 Rac5 33. Kd1 Ke6 34.
Rb4 a5 35. Rb7 Rc7 36. Re2+ Kd6 37. Rb6+ R7c6 38. Rxc6+ Rxc6 39. Kd2 Kc5 40. Re7
g5 41. Rb7 Kd4 42. Ra7 Rf6 43. c3+ Ke5 44. Kd3 Rb6 45. Kc2 Rf6 46. Rxa5 Ke4 47.
b4 Rf2+ 48. Kb3 Rxg2 49. Ra8 Rxh2 50. a5 Rh1 51. a6 Ra1 52. b5 Kd3 53. Kb4 Rb1+
54. Kc5 Kxc3 55. b6 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.07"]
[Round "9.4"]
[White "Maurizzi, Marc'Andria"]
[Black "Salgado Lopez, Ivan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2581"]
[BlackElo "2599"]
[ECO "B00"]
[Opening "King's pawn opening"]
[WhiteFideId "36083534"]
[BlackFideId "2257327"]
[EventDate "2025.02.26"]

1. e4 1-0

[Event "7th Prague Challengers"]
[Site "Prague CZE"]
[Date "2025.03.07"]
[Round "9.5"]
[White "Divya, Deshmukh"]
[Black "Kourkoulos-Arditis, Stamatis"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2490"]
[BlackElo "2580"]
[ECO "C79"]
[Opening "Ruy Lopez"]
[Variation "Steinitz defence deferred (Russian defence)"]
[WhiteFideId "35006916"]
[BlackFideId "4221990"]
[EventDate "2025.02.26"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. Bxc6 bxc6 8. d4
exd4 9. Qxd4 c5 10. Qd3 Be7 11. e5 dxe5 12. Nxe5 Be6 13. Qg3 Bd6 14. Nc3 Rb8 15.
Qxg7 Rg8 16. Nxf7 Bxh2+ 17. Kxh2 Qe7 18. Qxg8+ Nxg8 19. Ng5 Rb6 20. Nd5 Bxd5 21.
Rxe7+ Nxe7 22. Nxh7 Be4 23. Bg5 Bxh7 24. Re1 Bxc2 25. Rxe7+ Kf8 26. Rxc7 Rxb2
27. a3 Bd3 28. Be7+ Kf7 29. Bxc5+ Ke6 30. Kg3 Kf5 31. Bb4 Bb5 32. Rf7+ Ke6 33.
Rf8 Ra2 34. Kh4 a5 35. Bxa5 Rxa3 36. Bb6 Bc6 37. g4 Bf3 38. Be3 Bd1 39. f4 Rc3
40. Rd8 Bc2 41. Kg5 Ke7 42. Rd2 Ba4 43. Bd4 Rg3 44. f5 Bc6 45. Be5 Rg1 46. Bh2
Rf1 47. Kg6 Bd7 48. Re2+ Kd8 49. Be5 Be8+ 50. Kg7 Bd7 51. Rd2 Ke8 52. f6 Bxg4
53. Bc7 1-0

