[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.26"]
[Round "9"]
[White "Mojzisova, Barbora"]
[Black "Tirb, Alexej"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1119"]
[BlackElo "1213"]
[PlyCount "106"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 d6 8. f3 e5 9. Nb3 a6 10. Qd2 Qc7 11. Be2 Be6 12. Rd1 0-0-0 13. Nd5 Bxd5 14. exd5 Ne7 15. c4 Rde8 16. Rc1 Kd8 17. Qa5 Qxa5+ 18. Nxa5 Kc8 19. Nb3 Kb8 20. Nd2 Nf5 21. Bf2 Bh6 22. g4 Bxd2+ 23. Kxd2 Ne7 24. Bh4 Nd7 25. Rhf1 f6 26. f4 exf4 27. Rxf4 g5 28. Bxg5 fxg5 29. Rf7 h6 30. b4 Rhf8 31. Rh7 Rf6 32. c5 dxc5 33. bxc5 Kc8 34. d6 Nc6 35. Rb1 Na5 36. h3 Rfe6 37. Re1 Nc4+ 38. Kd3 Nb2+ 39. Kd2 Na4 40. Kd3 Ndxc5+ 41. Kd2 Rxd6+ 42. Kc2 Re3 43. Rh8+ Kc7 44. Rh7+ Kc6 45. a3 Rxa3 46. Rh8 Ra2+ 47. Kc1 Ra1+ 48. Kc2 Rxe1 49. Re8 Re6 50. Bf3+ Kb5 51. Rxe6 Rxe6 52. Bd5 Re3 53. Bf7 Rxh3 0-1

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.25"]
[Round "8"]
[White "Tirb, Alexej"]
[Black "Stepanek, Vit"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1213"]
[BlackElo "1564"]
[PlyCount "92"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Nf3 Bg4 6. Bb5+ Nc6 7. Bxc6+ bxc6 8. h3 Bf5 9. 0-0 e6 10. Bf4 Qb6 11. Rb1 Be7 12. Re1 h6 13. a3 0-0 14. Qd2 c5 15. Re2 cxd4 16. Nxd4 Bg6 17. Nf3 Rac8 18. Be3 Qb7 19. Qd4 Bc5 20. Qd2 Bd6 21. Bd4 Ne4 22. Nxe4 Bxe4 23. Qd1 Qa6 24. Rd2 Rc7 25. Ra1 Bxf3 26. Qxf3 e5 27. Bc3 d4 28. Bxd4 exd4 29. Rxd4 Rxc2 30. Rb1 Be5 31. Re4 Rxb2 32. Rxb2 Bxb2 33. a4 Qb7 34. Re3 Qxf3 35. Rxf3 Rd8 36. Rb3 Be5 37. g3 Rd4 38. a5 Rd1+ 39. Kg2 Ra1 40. Rb5 Bc3 41. h4 Rxa5 42. Rxa5 Bxa5 43. f4 f5 44. Kh3 Bc3 45. Kg2 a5 46. Kf2 a4 0-1

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.24"]
[Round "7"]
[White "Tykalova, Eva"]
[Black "Tirb, Alexej"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1213"]
[PlyCount "90"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 e5 5. d3 h6 6. Bd2 Bg7 7. Qe2 Nf6 8. 0-0-0 0-0 9. Be3 d6 10. Bd5 Qc7 11. Rhg1 a6 12. g4 Nxd5 13. exd5 Ne7 14. g5 hxg5 15. Rxg5 Re8 16. h4 Bf6 17. Rg3 Kf8 18. Bh6+ Bg7 19. Qe3 Nf5 20. Bxg7+ Kxg7 21. Qd2 Nxg3 22. fxg3 Bg4 23. Qe3 b5 24. Rh1 Bxf3 25. Qxf3 b4 26. Ne4 Qb7 27. Rf1 Qxd5 28. Qf6+ Kf8 29. Qh8+ Ke7 30. Qf6+ Kd7 31. Kb1 Qe6 32. Qg5 Qe7 33. Nf6+ Kd8 34. Qg4 Rf8 35. Qe4 Rb8 36. Nd5 Qb7 37. Qc4 Qb5 38. Qg4 Qb7 39. Qg5+ Kc8 40. Ne7+ Kc7 41. c4 bxc3 42. Nd5+ Kc6 43. Ne7+ Kd7 44. b3 Qg2 45. Rd1 Qb2# 0-1

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.23"]
[Round "6"]
[White "Tirb, Alexej"]
[Black "Dolezal, Eduard"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1213"]
[BlackElo "1151"]
[PlyCount "68"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. Nc3 Nc6 6. d3 Nf6 7. h3 e6 8. Be3 Be7 9. 0-0 0-0 10. Re1 Rac8 11. Rb1 Rfd8 12. a3 d5 13. exd5 exd5 14. Bd2 h6 15. Ne2 Bd6 16. c3 a5 17. a4 Re8 18. Nc1 Re7 19. Rxe7 Qxe7 20. Ne2 Re8 21. Nc1 Nh5 22. Qe1 Qd7 23. Qd1 Bf4 24. Ne2 Qe7 25. Nc1 Bxd2 26. Qxd2 c4 27. dxc4 dxc4 28. Ra1 Rd8 29. Qe2 Qc5 30. b3 cxb3 31. Nxb3 Qxc3 32. Rb1 Nf4 33. Qb5 Ne6 34. Qxb7 Rb8 0-1

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.22"]
[Round "5"]
[White "Koutecky, Vaclav1111"]
[Black "Tirb, Alexej"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1307"]
[BlackElo "1213"]
[PlyCount "39"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e5 5. Nf3 Nc6 6. Bc4 h6 7. 0-0 Nf6 8. Qe2 Bc5 9. Rd1 0-0 10. Be3 Bb6 11. Rac1 Qc7 12. Nb5 Qd8 13. Bb3 a6 14. Nc3 Bxe3 15. Qxe3 Qe7 16. Nh4 Qd8 17. Nf5 Re8 18. Qg3 g6 19. Qxg6+ Kf8 20. Qxf7# 1-0

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.21"]
[Round "4"]
[White "Roubal, Frantisek"]
[Black "Tirb, Alexej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1293"]
[BlackElo "1213"]
[PlyCount "79"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. h3 Bd6 6. Bxd6 Qxd6 7. c3 Nc6 8. Bd3 Bg6 9. Qc2 Bxd3 10. Qxd3 0-0 11. Nbd2 h6 12. 0-0 Rfe8 13. Rfe1 a6 14. e4 dxe4 15. Nxe4 Nxe4 16. Rxe4 e5 17. Rae1 Re7 18. Qe2 Rae8 19. Nxe5 Nxe5 20. Rxe5 Rxe5 21. dxe5 Qe7 22. Kf1 f6 23. exf6 Qxe2+ 24. Rxe2 Rxe2 25. Kxe2 gxf6 26. Ke3 Kf7 27. Kf4 b6 28. g4 a5 29. Kf5 c6 30. h4 a4 31. a3 b5 32. f4 c5 33. g5 hxg5 34. fxg5 fxg5 35. hxg5 c4 36. Ke5 Ke7 37. Kd5 Kd7 38. Kc5 Kd8 39. Kxb5 Ke7 40. Kxa4 1-0

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.21"]
[Round "3"]
[White "Tirb, Alexej"]
[Black "Krivka, Lukas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1213"]
[BlackElo "1380"]
[PlyCount "130"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. h3 Bh5 6. Bf4 e6 7. Be2 Bd6 8. Bg3 Bxg3 9. fxg3 Qc7 10. g4 Qg3+ 11. Kf1 Bg6 12. Nc3 a6 13. a3 Nf6 14. Qe1 Qxe1+ 15. Nxe1 Nc6 16. Rd1 Ne4 17. Nxe4 Bxe4 18. Rd2 Rc8 19. c3 Na5 20. Bd3 Nc4 21. Bxc4 dxc4 22. Re2 Bd5 23. Rd2 0-0 24. Nc2 f6 25. Rg1 Be4 26. Ke1 Bxc2 27. Rxc2 Rfe8 28. Rf1 b5 29. Rff2 Rcd8 30. Rc1 e5 31. dxe5 Rxe5+ 32. Re2 Rxe2+ 33. Kxe2 Rd3 34. b3 Kf7 35. bxc4 bxc4 36. a4 a5 37. Ke1 Ke6 38. Rc2 Re3+ 39. Re2 Rxe2+ 40. Kxe2 Ke5 41. Ke3 g6 42. g3 g5 43. Kf3 h6 44. Ke3 Kd5 45. Kf3 Kc5 46. Ke4 Kd6 47. Kd4 Ke6 48. Kxc4 f5 49. gxf5+ Kxf5 50. Kb5 Ke4 51. c4 Kf3 52. c5 Kxg3 53. c6 Kxh3 54. c7 h5 55. c8Q+ g4 56. Kxa5 h4 57. Qc3+ g3 58. Kb4 Kh2 59. Qe1 h3 60. a5 g2 61. a6 g1Q 62. Qxg1+ Kxg1 63. a7 h2 64. a8Q h1Q 65. Qxh1+ Kxh1 1/2-1/2

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.20"]
[Round "2"]
[White "Jezek, Jakub1111"]
[Black "Tirb, Alexej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1583"]
[BlackElo "1213"]
[PlyCount "39"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Nf6 4. c4 dxc4 5. Nc3 Bg4 6. d5 Nb8 7. e4 Bxf3 8. gxf3 Nbd7 9. Nb5 c6 10. Nc7+ Qxc7 11. Bxc7 e6 12. d6 g6 13. Bxc4 Bg7 14. Qb3 b6 15. Bxe6 fxe6 16. Qxe6+ Kf8 17. Bd8 h6 18. Be7+ Ke8 19. Bxf6+ Kf8 20. Qe7+ 1-0

[Event "Plzen Calliditas op"]
[Site "Plzen"]
[Date "2023.08.19"]
[Round "1"]
[White "Tirb, Alexej"]
[Black "Sladek, Jaroslav"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1213"]
[BlackElo "1840"]
[PlyCount "82"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. Bxd5 Qxd5 5. Nf3 Bg4 6. Nc3 Qd7 7. h3 Bh5 8. 0-0 Nc6 9. d3 Nd4 10. g4 Bxg4 11. hxg4 Qxg4+ 12. Kh1 Nxf3 13. Qxf3 Qxf3+ 14. Kg1 a5 15. Re1 Ra6 16. Kf1 Qh3+ 17. Ke2 Re6+ 18. Be3 f5 19. Kd2 Qf3 20. a4 b6 21. Bd4 Rxe1 22. Rxe1 Kd7 23. Kc1 e6 24. Nd1 c5 25. Be3 Bd6 26. b3 Bf4 27. Bxf4 Qxf4+ 28. Kb2 Qd4+ 29. Kb1 g5 30. Rg1 g4 31. Rg2 h5 32. Rg1 h4 33. Kc1 h3 34. Rh1 f4 35. Kd2 Qd5 36. Rg1 h2 37. Rf1 h1Q 38. Rxh1 Rxh1 39. Nc3 Qe5 40. d4 Qxd4+ 41. Ke2 f3# 0-1

