[Event "4th Prague Challengers"] [Site "Prague CZE"] [Date "2022.06.08"] [Round "1.1"] [White "Keymer, Vincent"] [Black "Hracek, Zbynek"] [Result "1-0"] [ECO "A07"] [WhiteElo "2675"] [BlackElo "2564"] [PlyCount "85"] [EventDate "2022.06.08"] 1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. Bg2 e6 5. a4 c5 6. O-O b6 7. c4 Bb7 8. cxd5 exd5 9. a5 Be7 10. a6 Bc6 11. Ne5 Nxe5 12. dxe5 Nd7 13. Nc3 Nxe5 14. Nxd5 Rc8 15. Bf4 Ng6 16. Ra3 Bxd5 17. Rd3 Nxf4 18. gxf4 O-O 19. Rxd5 Qe8 20. Bh3 Rc7 21. Bd7 Qb8 22. Qa4 c4 23. e3 c3 24. bxc3 Rxc3 25. Rfd1 Rc5 26. Qe4 Rxd5 27. Qxd5 Rd8 28. Qb7 b5 29. Kg2 b4 30. Ba4 Qxb7+ 31. axb7 Rb8 32. Rd7 Kf8 33. e4 g6 34. Kf3 Ke8 35. Ke2 b3 36. Kd3 a5 37. e5 Bb4 38. f3 h5 39. Rc7+ Kd8 40. Rd7+ Ke8 41. h3 h4 42. f5 gxf5 43. f4 1-0 [Event "4th Prague Challengers"] [Site "Prague CZE"] [Date "2022.06.08"] [Round "1.2"] [White "Sasikiran, Krishnan"] [Black "Warmerdam, Max"] [Result "1/2-1/2"] [ECO "B97"] [WhiteElo "2635"] [BlackElo "2613"] [PlyCount "56"] [EventDate "2022.06.08"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11. e5 dxe5 12. fxe5 Nfd7 13. h4 Bb4 14. Rh3 Ba5 15. Kf1 Nxe5 16. Ncb5 Bxd2 17. Rxa3 Bxg5 18. Nc7+ Kd8 19. Nxa8 Bxh4 20. Nb6 Bf6 21. Rc3 Nec6 22. Nxc6+ Nxc6 23. Rc4 Kc7 24. Bf3 Rd8 25. Na8+ Kd6 26. Nb6 Kc7 27. Na8+ Kd6 28. Nb6 Kc7 1/2-1/2 [Event "4th Prague Challengers"] [Site "Prague CZE"] [Date "2022.06.08"] [Round "1.3"] [White "Pechac, Jergus"] [Black "Stocek, Jiri"] [Result "1-0"] [ECO "E59"] [WhiteElo "2598"] [BlackElo "2541"] [PlyCount "71"] [EventDate "2022.06.08"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 c5 8. O-O Nc6 9. a3 Bxc3 10. bxc3 Qc7 11. Re1 Rd8 12. Ba2 e5 13. Ng5 Rd7 14. d5 e4 15. Qc2 Ne5 16. Nxe4 Nxd5 17. f4 Ng6 18. c4 Nde7 19. Bb2 b6 20. Bb1 Qc6 21. Qf2 f5 22. Nc3 Bb7 23. e4 Rf8 24. Nd5 fxe4 25. Bxe4 Qd6 26. Be5 Qe6 27. Bf6 Qd6 28. Nxe7+ Nxe7 29. Bxh7+ Kh8 30. Be5 Qh6 31. Bc2 Nc6 32. Re3 Nxe5 33. Rxe5 Rd4 34. Qe2 g6 35. Re7 Qxf4 36. Bxg6 1-0 [Event "4th Prague Challengers"] [Site "Prague CZE"] [Date "2022.06.08"] [Round "1.4"] [White "Niemann, Hans Moke"] [Black "Abdusattorov, Nodirbek"] [Result "1/2-1/2"] [ECO "E49"] [WhiteElo "2678"] [BlackElo "2661"] [PlyCount "98"] [EventDate "2022.06.08"] 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 b6 10. O-O Qc7 11. Bd3 Ba6 12. e4 Bxd3 13. Qxd3 Nbd7 14. Bg5 h6 15. Bh4 b5 16. f3 a6 17. g4 Rfc8 18. Qe3 cxd4 19. cxd4 Qb6 20. g5 hxg5 21. Bxg5 Rc2 22. Kh1 e5 23. Rg1 Rac8 24. Rad1 Ra2 25. Rd2 Rcc2 26. Rxc2 Rxc2 27. Qd3 Rc4 28. Be3 Qc7 29. Qd1 g6 30. Qd3 Rc2 31. Rd1 Ra2 32. Rd2 Rxd2 33. Qxd2 Ne8 34. dxe5 Nxe5 35. Bf4 Nc4 36. Qd5 Qc8 37. Nd4 Nf6 38. Qg5 Qd8 39. Be5 Nxe5 40. Qxe5 Nh5 41. Kg2 a5 42. Kf2 Qh4+ 43. Ke3 Qe1+ 44. Ne2 Qb1 45. Qe8+ Kg7 46. Qe5+ Kg8 47. Qe8+ Kg7 48. Qe5+ Kh7 49. Qd5 Kg7 1/2-1/2 [Event "4th Prague Challengers"] [Site "Prague CZE"] [Date "2022.06.08"] [Round "1.5"] [White "Michalik, Peter"] [Black "Krzyzanowski, Marcin"] [Result "1-0"] [ECO "D38"] [WhiteElo "2577"] [BlackElo "2535"] [PlyCount "75"] [EventDate "2022.06.08"] 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O 8. e3 Bf5 9. Be2 Nbd7 10. Qb3 Bxc3+ 11. Qxc3 c6 12. Nd2 Re8 13. O-O a5 14. a4 Nf8 15. f3 Bh7 16. Rfe1 Ne6 17. Bf1 g5 18. Bf2 Nc7 19. b4 Ne6 20. bxa5 Qxa5 21. Qb2 Ra7 22. e4 Rea8 23. h4 Qd8 24. hxg5 hxg5 25. exd5 Nxd5 26. Nc4 Nef4 27. Ra3 Qf8 28. a5 Nb4 29. d5 Nbxd5 30. Rb3 c5 31. Rxb7 Ne6 32. Ne5 Rxb7 33. Qxb7 Ndc7 34. a6 Qd6 35. a7 Nd8 36. Qb8 Bf5 37. Nc4 Qc6 38. Nb6 1-0