[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.18"]
[Round "7"]
[White "Koska, Jiri"]
[Black "Ostruzlik, Kristian"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1913"]
[BlackElo "1762"]
[PlyCount "90"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nbd2 Be7 7. c4 c5 8. a3 0-0 9. Rb1 Nc6 10. Ne1 Qc7 11. Nc2 Rad8 12. b4 d4 13. Nf3 Nd7 14. Bd2 h6 15. Qc1 Nce5 16. Nxe5 Bxg2 17. Kxg2 Nxe5 18. Bf4 g5 19. Bxe5 Qxe5 20. Qd2 f5 21. f3 f4 22. g4 Kg7 23. h3 Rh8 24. Rh1 Rh7 25. bxc5 Bxc5 26. Nb4 Rdh8 27. Nc6 Qc7 28. Nb4 h5 29. Na6 Qc8 30. Nxc5 Qxc5 31. Rb5 Qe7 32. Qb4 Kf6 33. Qxe7+ Rxe7 34. h4 Rg7 35. hxg5+ Rxg5 36. Rxg5 Kxg5 37. gxh5 Rxh5 38. Rg1 Kh6 39. Kf2 Rg5 40. Rb1 Ra5 41. Rb3 Kg6 42. Kg2 Kh6 43. Kh3 Kh5 44. Kg2 Kg6 45. Kf2 Kh6 1/2-1/2

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.18"]
[Round "8"]
[White "Ondreicka, Roman"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1756"]
[BlackElo "1913"]
[PlyCount "55"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 d5 3. e3 Bg7 4. Be2 Nh6 5. 0-0 0-0 6. d4 Nf5 7. Qe1 Nd7 8. Ne5 Nf6 9. Bd3 Nd6 10. c4 c6 11. c5 Nde4 12. Bxe4 Nxe4 13. Nc3 Nf6 14. h3 Nd7 15. Nxd7 Bxd7 16. b4 a6 17. Bb2 Bf5 18. Qd2 e6 19. g4 Be4 20. Nxe4 dxe4 21. g5 Qd5 22. Qg2 a5 23. a3 axb4 24. axb4 Qb3 25. Qd2 Rfd8 26. Qc3 Qxc3 27. Bxc3 f6 28. h4 1/2-1/2

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.17"]
[Round "6"]
[White "Bracok, Stefan"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1824"]
[BlackElo "1913"]
[PlyCount "43"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Be2 a6 9. 0-0 b5 10. a3 Bb7 11. Qe1 f5 12. Qf2 Qb6 13. dxc5 Bxc5 14. Bxc5 Qxc5 15. Rad1 Qxf2+ 16. Rxf2 Ke7 17. Nd4 Nxd4 18. Rxd4 Nc5 19. Bf3 Rac8 20. h3 h5 21. h4 g6 22. g3 1/2-1/2

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.17"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Zvarik, Martin"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1913"]
[BlackElo "2184"]
[PlyCount "116"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Qf6 6. d3 h6 7. Be3 Bb6 8. d4 Bg4 9. Bb5 Bxf3 10. Qxf3 exd4 11. Qxf6 Nxf6 12. Bxd4 Bxd4 13. cxd4 Kd8 14. Bxc6 bxc6 15. Nc3 Rb8 16. b3 Re8 17. f3 Nd7 18. Rfd1 c5 19. Rac1 Rb7 20. Ne2 Kc8 21. dxc5 Nxc5 22. Nd4 g6 23. Rc4 Rb6 24. b4 Nd7 25. Rdc1 Rb7 26. a3 Ne5 27. R4c3 Kd7 28. h3 f6 29. Nb3 Rc8 30. f4 Nf7 31. Kf2 Rb6 32. Nd4 c6 33. R1c2 Rc7 34. g4 a5 35. bxa5 Ra6 36. a4 c5 37. Nb5 Rcc6 38. Rc4 g5 39. fxg5 hxg5 40. R4c3 Ne5 41. Rb3 Rxa5 42. Nc3 Nd3+ 43. Ke3 Nb4 44. Rf2 Ke6 45. Rb1 Ra7 46. Rbf1 Rf7 47. Rd1 Ra6 48. Rdf1 Ra8 49. Rd1 Rh8 50. Rf3 Nc2+ 51. Kd3 Nd4 52. Re3 Rb7 53. a5 Ra8 54. Ra1 Rba7 55. Nd5 Nc6 56. Rf3 Ne5+ 57. Ke3 Nxf3 58. Kxf3 Rxa5 0-1

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.16"]
[Round "4"]
[White "Koren, Juraj"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1712"]
[BlackElo "1913"]
[PlyCount "92"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. Be2 Nf5 7. Na3 Be7 8. 0-0 a6 9. Nc2 b5 10. d3 Bd7 11. Bd2 a5 12. b3 Qb6 13. Qe1 h5 14. Qf2 Qb7 15. Ne3 b4 16. Nxf5 exf5 17. c4 d4 18. Ng5 Bxg5 19. fxg5 g6 20. Bf3 Rc8 21. Rfe1 0-0 22. h3 Qb6 23. Bf4 Kg7 24. Qh4 Rh8 25. Qg3 Be6 26. Qf2 Rc7 27. Bh2 Rcc8 28. Bd5 Ne7 29. Qf3 Rhd8 30. Bxe6 fxe6 31. g4 hxg4 32. hxg4 Rh8 33. Re2 Rh4 34. Rg2 Rf8 35. Rf1 Rfh8 36. Rff2 Qc6 37. Qe2 fxg4 38. Rxg4 Nf5 39. Re4 Rh3 40. Qf1 R8h5 41. Rg4 Qb7 42. Rfg2 Qf3 43. Qxf3 Rxf3 44. R4g3 Nxg3 45. Rxg3 Rh3 46. Rxh3 Rxh3 0-1

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.16"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Zentko, Ladislav"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1913"]
[BlackElo "1734"]
[PlyCount "59"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 0-0 7. h3 Be6 8. Bb5 a6 9. Ba4 b5 10. Bc2 Bb6 11. Re1 h6 12. Nbd2 Re8 13. Nf1 d5 14. exd5 Qxd5 15. Be3 Rad8 16. Bxb6 cxb6 17. Ne3 Qc5 18. Qc1 b4 19. Nc4 Bxc4 20. dxc4 bxc3 21. bxc3 Qxc4 22. Qe3 Nd5 23. Qe4 Qxe4 24. Bxe4 f6 25. c4 Nde7 26. Rab1 Rb8 27. Rb2 Na5 28. Rb4 Nac6 29. Rb2 Na5 30. Rb4 1/2-1/2

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.15"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Foldesi, Jan"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1913"]
[BlackElo "1556"]
[PlyCount "65"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. c4 d4 5. b4 e6 6. bxc5 Bxc5 7. 0-0 Nc6 8. d3 0-0 9. Ba3 Bxa3 10. Nxa3 a6 11. Qa4 Bd7 12. Nc2 e5 13. Rab1 Rb8 14. Nb4 Re8 15. Nd2 Nxb4 16. Qxb4 Bc6 17. a4 Bxg2 18. Kxg2 Qe7 19. Qxe7 Rxe7 20. Rb4 g6 21. Rfb1 Kg7 22. Rb6 a5 23. R1b5 e4 24. h3 exd3 25. exd3 Re2 26. Nf3 Ra8 27. Rxb7 Ra2 28. Ne5 Kg8 29. Rxf7 Ne8 30. Rbb7 Rxa4 31. Rxh7 Rb4 32. Rbe7 a4 33. Nxg6 1-0

[Event "SVK-ch U2300"]
[Site "Liptovsky Jan"]
[Date "2024.06.15"]
[Round "2"]
[White "Panko, Eduard1"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2100"]
[BlackElo "1913"]
[PlyCount "83"]
[EventDate "2024.06.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "CB26_2024"]
[SourceDate "2024.06.26"]
[SourceVersion "1"]
[SourceVersionDate "2024.06.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Qa5 7. Bd2 Nh6 8. Bd3 Nf5 9. Bxf5 exf5 10. 0-0 Be6 11. Qc1 Qb6 12. axb4 Nxd4 13. Nxd4 Qxd4 14. Bc3 Qc4 15. Qb2 Be7 16. Nd2 Qc7 17. Bd4 0-0 18. c3 a6 19. f4 Bd7 20. Rf3 b6 21. Rg3 Bb5 22. Qb1 Qc8 23. Bxb6 f6 24. Bd4 fxe5 25. Bxe5 Bf6 26. Nf3 Ra7 27. Bxf6 Rxf6 28. Nd4 Bc4 29. Qe1 Raf7 30. Qe3 Qd7 31. Re1 h6 32. Nf3 Rf8 33. Qd4 Qc7 34. Kh1 Kh8 35. Ne5 Kh7 36. Rge3 Rc8 37. Nf3 Rf7 38. h4 Rcf8 39. h5 Qd8 40. g3 Qf6 41. Qd2 d4 42. Qxd4 1-0

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.12"]
[Round "9"]
[White "Koska, Jiri"]
[Black "Melih, Mario"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2024"]
[BlackElo "1990"]
[PlyCount "68"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. d3 e6 6. c4 Be7 7. cxd5 exd5 8. d4 cxd4 9. Nxd4 0-0 10. Nc3 h6 11. Nxc6 bxc6 12. Qc2 Be6 13. Rd1 Qc8 14. Bf4 Qa6 15. Rac1 Rac8 16. Qd3 Qxd3 17. Rxd3 Bf5 18. Rdd1 Rfd8 19. Na4 c5 20. Be3 d4 21. Bf4 g5 22. Bb7 gxf4 23. Bxc8 Rxc8 24. gxf4 Bh3 25. Rd3 Bd7 26. b3 Kh7 27. Kf1 Nd5 28. Rf3 Bf5 29. Nb2 Be4 30. Rg3 Nxf4 31. Rg4 Bd5 32. Nc4 Be6 33. Rxf4 Bg5 34. e3 Bxf4 1/2-1/2

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.11"]
[Round "8"]
[White "Lichvar, Simon"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1302"]
[BlackElo "2024"]
[PlyCount "56"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 e6 6. Nc3 Bb7 7. e4 exd5 8. exd5 d6 9. Nf3 g6 10. a4 Bg7 11. Be2 0-0 12. 0-0 axb5 13. Bxb5 Ba6 14. Re1 Ra7 15. Bg5 Qa5 16. Qc2 Bxb5 17. Nxb5 Rd7 18. Qc3 Qxc3 19. Nxc3 Na6 20. Red1 Rb8 21. Rab1 Ne8 22. Nb5 Nac7 23. Nxc7 Rxc7 24. b3 Rcb7 25. Rd3 c4 26. Re3 cxb3 27. Nd2 b2 28. Nc4 Rb4 0-1

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.10"]
[Round "7"]
[White "Jurky, Marian"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1874"]
[BlackElo "2024"]
[PlyCount "120"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Bg5 Qb6 7. dxc5 Bxc5 8. Qd2 Nc6 9. Na4 Qb4 10. Nxc5 Qxd2+ 11. Bxd2 Nxc5 12. Be3 Nd7 13. Bf4 f6 14. Bb5 a6 15. Bxc6 bxc6 16. 0-0 Kf7 17. Rfe1 Bb7 18. c4 Nc5 19. Rad1 a5 20. cxd5 cxd5 21. Nd4 Ba6 22. Re3 Rhc8 23. f3 a4 24. exf6 gxf6 25. Bd6 e5 26. Nf5 d4 27. Nxd4 exd4 28. Re7+ Kg6 29. Rxd4 h5 30. Bxc5 Rxc5 31. Rxa4 Rc2 32. Re6 Rd8 33. Re1 Bb7 34. Rb4 Bc6 35. Rb3 Rdd2 36. Kh1 Bd5 37. Ra3 Rxb2 38. Rg1 h4 39. h3 Be6 40. Kh2 Rf2 41. Ra4 Kg5 42. Kh1 f5 43. Rd4 Rxa2 44. Rd6 Bc4 45. Rdd1 Be2 46. Rb1 Kf6 47. Rb3 Bf1 48. f4 Bxg2+ 49. Rxg2 Rxg2 50. Rb6+ Kg7 51. Rb7+ Kh6 52. Rh7+ Kg6 53. Rh6+ Kf7 54. Rf6+ Ke7 55. Re6+ Kd7 56. Rd6+ Kc8 57. Rc6+ Kb7 58. Rb6+ Ka7 59. Rb7+ Ka6 60. Rb6+ Kxb6 1/2-1/2

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.09"]
[Round "6"]
[White "Koska, Jiri"]
[Black "Bochnicka, Vladimir1"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2024"]
[BlackElo "2421"]
[PlyCount "120"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nf3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Bc5 6. Bf4 Nf6 7. Bd3 Bb6 8. Ke2 Nbd7 9. a4 a5 10. Nc3 0-0 11. Nb5 c6 12. Na3 Bc5 13. Nc4 Re8 14. Rhd1 Nh5 15. Be3 e5 16. g3 Nhf6 17. Bxc5 Nxc5 18. Nd6 Re7 19. Bc4 Bg4 20. Ke3 Bh5 21. h3 Bg6 22. Ng5 h6 23. Ngxf7 Bxf7 24. Nxf7 Rxf7 25. f3 Kf8 26. Bxf7 Kxf7 27. c3 Ke6 28. Ra3 b5 29. axb5 cxb5 30. b4 Na4 31. Kf2 Nb2 32. Rb1 Nc4 33. Ra2 a4 34. Rd1 a3 35. Re2 g5 36. Ra2 Rf8 37. Ke2 h5 38. Raa1 g4 39. hxg4 hxg4 40. Rf1 gxf3+ 41. Rxf3 Rh8 42. Raf1 Nxe4 43. Kd3 Ncd2 44. Rf8 Rxf8 45. Rxf8 a2 46. Ra8 Nb3 47. Kxe4 a1Q 48. Rxa1 Nxa1 49. g4 Nc2 50. g5 Na3 51. g6 Nc4 52. g7 Kf7 53. g8Q+ Kxg8 54. Kd5 Kf7 55. Kc5 e4 56. Kxb5 e3 57. Kxc4 e2 58. Kc5 e1Q 59. c4 Ke6 60. Kb5 Kd6 0-1

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.08"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Oslej, Marek"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2024"]
[BlackElo "1806"]
[PlyCount "75"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 c5 3. Nc3 Nc6 4. g3 Nf6 5. Bg2 d5 6. cxd5 exd5 7. d4 Be6 8. 0-0 Rc8 9. Be3 b6 10. h3 h6 11. Rc1 cxd4 12. Nxd4 Nxd4 13. Bxd4 Be7 14. Qa4+ Qd7 15. Qxd7+ Kxd7 16. Rfd1 Rhd8 17. Bxf6 Bxf6 18. Bxd5 Ke7 19. Bxe6 Rxd1+ 20. Rxd1 fxe6 21. Rd3 a6 22. Kf1 b5 23. a3 Rc5 24. Ke1 a5 25. Kd2 Rf5 26. Nd1 Rc5 27. e4 Rc4 28. f3 g5 29. b3 Rc5 30. f4 e5 31. f5 g4 32. hxg4 Bg5+ 33. Ne3 b4 34. a4 Rc3 35. Rxc3 bxc3+ 36. Kd3 Kd6 37. Nc4+ Kc5 38. Kxc3 1-0

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.07"]
[Round "4"]
[White "Beres, Tomas"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2149"]
[BlackElo "2024"]
[PlyCount "73"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 0-0 10. 0-0 Qg6 11. c4 Nf6 12. c5 Be7 13. Bb5 Bd7 14. a4 a6 15. Bxc6 Bxc6 16. Ne5 Qe8 17. Qc2 Ne4 18. f3 Ng5 19. N3g4 Nf7 20. Bf4 Nxe5 21. Bxe5 Rc8 22. f4 Bf6 23. Bxf6 gxf6 24. f5 Qh5 25. Qe2 Kh8 26. fxe6 Rce8 27. Rae1 Qg6 28. h3 Bxa4 29. e7 Rf7 30. Rxf6 Rxf6 31. Qe5 Rxe7 32. Qxe7 Rf5 33. Qd8+ Kg7 34. Re7+ Rf7 35. Ne5 Qb1+ 36. Kh2 Rxe7 37. Qxe7+ 1-0

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.07"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Svorad, Tomas"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2024"]
[BlackElo "1746"]
[PlyCount "73"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 Nf6 5. Bg2 Be7 6. d3 0-0 7. 0-0 b5 8. Nbd2 h6 9. Ne5 Nbd7 10. Nc6 Qe8 11. Nxe7+ Qxe7 12. e4 Bh7 13. Qe2 Nb6 14. Rfe1 c5 15. a3 a5 16. exd5 Nbxd5 17. c4 bxc4 18. dxc4 Nb6 19. Bxa8 Rxa8 20. Bc3 Qd8 21. Qe3 Nbd7 22. b4 Ng4 23. Qf4 axb4 24. axb4 Rxa1 25. Rxa1 cxb4 26. Bxb4 Nde5 27. Bc3 g5 28. Qd4 Qxd4 29. Bxd4 f5 30. Ra8+ Kf7 31. Ra7+ Kg8 32. f3 Nc6 33. Rg7+ Kh8 34. Bc3 e5 35. Rc7 Nd4 36. Bxd4 exd4 37. fxg4 1-0

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.06"]
[Round "2"]
[White "Brnusak, Tomas"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2192"]
[BlackElo "2024"]
[PlyCount "105"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. Nf3 e5 6. 0-0 Nge7 7. d3 d6 8. a3 a5 9. Ne1 0-0 10. Nc2 Bd7 11. Rb1 Rb8 12. b4 axb4 13. axb4 b6 14. b5 Nd4 15. Ne3 Ne6 16. Ra1 Nc7 17. Ra7 Nc8 18. Rb7 Rxb7 19. Bxb7 Ne7 20. Qa4 Qb8 21. Bg2 Bc8 22. Bd2 Bb7 23. Ra1 Bxg2 24. Nxg2 Qb7 25. Qa7 Rb8 26. Qxb7 Rxb7 27. Ra2 f6 28. Ne3 f5 29. Nf1 Kf7 30. e4 Ke6 31. Kg2 h6 32. h4 Kf7 33. f3 Ke6 34. Ra3 fxe4 35. dxe4 Kd7 36. Ne3 Ke6 37. Ned5 Nexd5 38. exd5+ Ke7 39. Ne4 Ne8 40. Ra8 Nf6 41. Nc3 Nd7 42. g4 Kf7 43. Ne4 Bf8 44. Bxh6 Be7 45. Bg5 Rc7 46. Kh3 Nf8 47. h5 Bxg5 48. Nxg5+ Kf6 49. Kh4 Nh7 50. Ne4+ Ke7 51. hxg6 Nf6 52. Kg5 Nxe4+ 53. fxe4 1-0

[Event "SVK-ch U18/20"]
[Site "Tatralandia"]
[Date "2024.04.05"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Rerko, Samuel"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2024"]
[BlackElo "1584"]
[PlyCount "65"]
[EventDate "2024.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nc6 4. g3 Nf6 5. Bg2 Bf5 6. d3 e6 7. Nbd2 Bd6 8. 0-0 0-0 9. Qe1 Nb4 10. Qd1 Re8 11. a3 Nc6 12. Qe1 e5 13. e4 Be6 14. Ng5 d4 15. Nxe6 Rxe6 16. Bh3 Re8 17. Nf3 h6 18. Nh4 Nh7 19. Kh1 Ng5 20. Bg2 Ne7 21. f4 Ne6 22. Bc1 f6 23. Bh3 Nf8 24. Qe2 Nfg6 25. Be6+ Kh8 26. Nxg6+ Nxg6 27. Bf7 Ne7 28. f5 Rg8 29. Qh5 Kh7 30. Bg6+ Nxg6 31. fxg6+ Kh8 32. Bxh6 Qd7 33. Bg5# 1-0

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.24"]
[Round "7"]
[White "Koska, Jiri"]
[Black "Bilik, Matej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1966"]
[BlackElo "1827"]
[PlyCount "67"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c3 c5 7. dxc5 Nbd7 8. b4 a5 9. Bb2 b6 10. c6 Nb8 11. b5 a4 12. Ba3 Re8 13. Bb4 e5 14. Na3 Bf8 15. Rb1 Bf5 16. Rb2 Bxb4 17. Rxb4 Qd6 18. Rxa4 Rxa4 19. Qxa4 Ne4 20. Qb3 Be6 21. Qb2 Re7 22. Nb1 Ra7 23. a3 Ra5 24. Qb4 Qxb4 25. cxb4 Rxb5 26. c7 Na6 27. Rc1 Bc8 28. Nxe5 f6 29. Nc6 Nxc7 30. Ne7+ Kf7 31. Nxc8 Ne6 32. Bxe4 dxe4 33. Nd6+ Ke7 34. Nxb5 1-0

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.24"]
[Round "6"]
[White "Verba, Vladimir"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1897"]
[BlackElo "1966"]
[PlyCount "99"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 d6 7. Be2 0-0 8. Be3 Nc6 9. 0-0 Bd7 10. Qd2 a5 11. Kh1 Nxd4 12. Bxd4 Bc6 13. Bd3 Nd7 14. Bxg7 Kxg7 15. Rae1 Nc5 16. Bc2 Qc7 17. Re3 Qd7 18. Rh3 h5 19. Rxh5 Rh8 20. Rxh8 Rxh8 21. f3 Qe6 22. Nd5 Qe5 23. f4 Qxb2 24. Rb1 Qa3 25. Qd4+ f6 26. Qc3 Qxc3 27. Nxc3 Kf7 28. Kg1 Ke8 29. h3 Kd7 30. Kf2 Ne6 31. Ke3 Rh4 32. Rf1 Nc5 33. Nd5 Bxd5 34. exd5 Kc7 35. Bxg6 Kb6 36. Rb1+ Ka6 37. Bf5 Rh5 38. Bg4 Rh6 39. g3 Na4 40. Bc8 Nc5 41. h4 Ka7 42. Rh1 Kb8 43. Bf5 Kc7 44. g4 Kd8 45. g5 Rh8 46. h5 fxg5 47. fxg5 Nd7 48. Bxd7 Kxd7 49. g6 Ke8 50. h6 1-0

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.23"]
[Round "4"]
[White "Koska, Jiri"]
[Black "Gay, Lukas"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1966"]
[BlackElo "1903"]
[PlyCount "108"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. e3 c5 2. b3 Nc6 3. Bb2 e5 4. c4 Nf6 5. Nf3 e4 6. Ne5 Qe7 7. Nxc6 dxc6 8. Be2 Bf5 9. Nc3 h5 10. h3 0-0-0 11. Qc2 Kb8 12. 0-0-0 Qc7 13. g4 hxg4 14. hxg4 Rxh1 15. Rxh1 Nxg4 16. Bxg4 Bxg4 17. Qxe4 Qd7 18. Qc2 Be7 19. Nd1 f6 20. e4 Bf3 21. Re1 Bd6 22. e5 Bxe5 23. Bxe5+ fxe5 24. Rxe5 Qd4 25. Qc3 Bxd1 26. Qxd4 cxd4 27. Kxd1 Kc7 28. Rg5 Rd7 29. Ke2 b6 30. b4 Kd6 31. Rg6+ Kc7 32. c5 Kb7 33. Kd3 bxc5 34. bxc5 Rd5 35. Rxg7+ Ka6 36. Kc4 Rf5 37. Rg2 d3 38. Rg7 Rxf2 39. Kxd3 Rf4 40. Rc7 Kb5 41. Rxa7 Kxc5 42. Kc3 Rc4+ 43. Kb2 Rb4+ 44. Kc1 Rc4+ 45. Kd1 Rh4 46. d3 Rh2 47. Kc1 Kd4 48. Ra3 Rg2 49. Kb1 Rd2 50. Rb3 Rxd3 51. Kc2 Rxb3 52. axb3 c5 53. Kd2 c4 54. bxc4 Kxc4 1/2-1/2

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.23"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Hurtuk, Radovan"]
[Result "1/2-1/2"]
[ECO "B88"]
[WhiteElo "1966"]
[BlackElo "2019"]
[PlyCount "38"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bb3 Nc6 9. Re1 Qc7 10. Qd3 0-0 11. Nxc6 Qxc6 12. Qg3 Kh8 13. Bg5 b5 14. Qh4 Ra7 15. Re3 Ng8 16. Rh3 h6 17. Bxe7 Rxe7 18. Rd3 Bb7 19. Rad1 Rd8 1/2-1/2

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.22"]
[Round "2"]
[White "Koska, Jiri"]
[Black "Mantic, Andrej"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1966"]
[BlackElo "1804"]
[PlyCount "83"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nbd7 7. Nc3 c5 8. e3 Rb8 9. b3 a6 10. a4 e5 11. Bb2 exd4 12. exd4 b6 13. Re1 Bb7 14. d5 b5 15. axb5 axb5 16. Nxb5 Qb6 17. Bf1 Ba6 18. Bc3 Bxb5 19. cxb5 Qb7 20. Bc4 Nb6 21. Bxf6 Bxf6 22. Ra6 Bc3 23. Re2 Rfe8 24. Rea2 Qc8 25. Kg2 Qf5 26. Qc2 Qf6 27. Qd3 Bb4 28. Ra7 Re7 29. Rxe7 Qxe7 30. Qe3 Qf6 31. h4 Kg7 32. Ra7 Qf5 33. Ng5 Rf8 34. Ne6+ Kg8 35. Nxf8 Kxf8 36. Qf3 Qxf3+ 37. Kxf3 Ke8 38. Ra6 Nc8 39. Rc6 Kd7 40. b6 Ne7 41. Rc7+ Kd8 42. Rxe7 1-0

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.22"]
[Round "3"]
[White "Turis, Ondrej"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1875"]
[BlackElo "1966"]
[PlyCount "92"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. a4 Bg7 8. Ra3 0-0 9. Nf3 axb5 10. Bxb5 Ba6 11. 0-0 Bxb5 12. Nxb5 Na6 13. Re1 Nc7 14. Nc3 Qc8 15. e4 Qb7 16. Nd2 Nd7 17. Nc4 Ne5 18. Ne3 Qa6 19. Qe2 Qxe2 20. Rxe2 Nd3 21. Rc2 Rfb8 22. Nc4 Rb4 23. b3 Ne1 24. Re2 Bxc3 25. Bd2 Nc2 26. Bxc3 Nxa3 27. Bxb4 Nxc4 28. Bc3 Ne5 29. f4 Nd3 30. g3 Rb8 31. Rd2 Nc1 32. e5 Nxb3 33. Rd1 c4 34. g4 Rd8 35. exd6 Rxd6 36. Re1 Nxd5 37. Be5 Ra6 38. f5 f6 39. Rd1 fxe5 40. Rxd5 c3 41. Rd8+ Kf7 42. Rc8 Nd4 43. Kf2 c2 44. fxg6+ hxg6 45. g5 Rxa4 46. h4 Ra1 0-1

[Event "Lesnica Pieniny op"]
[Site "Lesnica"]
[Date "2024.03.21"]
[Round "1"]
[White "Mirek, Szymon"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1707"]
[BlackElo "1966"]
[PlyCount "56"]
[EventDate "2024.03.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CB13_2024"]
[SourceDate "2024.03.27"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.27"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. Be2 e6 5. b3 Nf6 6. d3 Bb4 7. Bd2 Qa5 8. Nb1 dxe4 9. Bxb4 Qxb4+ 10. c3 Qa5 11. b4 Qd5 12. dxe4 Qxd1+ 13. Bxd1 Nxe4 14. h3 Bh5 15. g4 Bg6 16. Ne5 Nd7 17. Nxg6 hxg6 18. Bc2 Nef6 19. f3 Ne5 20. Kf2 Rd8 21. Kg3 Ke7 22. Re1 Nc4 23. Re2 Nd5 24. a4 Rxh3+ 25. Kxh3 Nf4+ 26. Kh4 Nxe2 27. Ra2 Rh8+ 28. Kg5 Ne5 0-1

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.23"]
[Round "9"]
[White "Oruzinsky, Juraj"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1862"]
[BlackElo "1958"]
[PlyCount "95"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. b3 Nge7 7. Qc2 Be6 8. Nf3 Qd7 9. Be3 Bf5 10. Nbd2 Bxd3 11. Qxd3 0-0-0 12. 0-0-0 Qf5 13. Qxf5+ Nxf5 14. Rde1 f6 15. g4 Nfe7 16. Nh4 h5 17. g5 fxg5 18. Bxg5 Rhf8 19. Re2 Rf7 20. Rhe1 Rdf8 21. f4 Kd7 22. f5 Nxf5 23. Ng6 Rg8 24. Nf3 Nfe7 25. Bxe7 Rxf3 26. Bxd6 Kxd6 27. Re6+ Kd7 28. Rxc6 bxc6 29. Ne5+ Kd6 30. Nxf3 Rf8 31. Ng5 Rf5 32. Re6+ Kd7 33. Rg6 Ke7 34. h4 Rf4 35. Rxg7+ Kd6 36. Nf7+ Ke6 37. Nd8+ Kd6 38. Nb7+ Ke6 39. Nc5+ Kf6 40. Rxc7 Rxh4 41. Rxc6+ Kf5 42. Rd6 Rh1+ 43. Kc2 h4 44. Rxd5+ Kg4 45. Rd7 a5 46. Rh7 h3 47. d5 Rh2+ 48. Kd3 1-0

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.22"]
[Round "8"]
[White "Koska, Jiri"]
[Black "Janik, Marek Tobias"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1958"]
[BlackElo "1953"]
[PlyCount "91"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 g6 5. d4 d6 6. dxc5 dxc5 7. Qxd8+ Kxd8 8. Bd2 Be6 9. Ng5 Be7 10. Nxe6+ fxe6 11. Be2 Nf6 12. Bf3 Kd7 13. Ne4 h6 14. Bc3 Rhf8 15. Ke2 Rad8 16. Rad1+ Kc7 17. Rxd8 Rxd8 18. Rd1 Rxd1 19. Kxd1 g5 20. Nxf6 Bxf6 21. Bxc6 Kxc6 22. f4 Kd7 23. Ke2 Ke8 24. fxg5 hxg5 25. Kf3 Ke7 26. e4 Kf7 27. Kg4 Kg6 28. Bd2 Bd8 29. g3 Bf6 30. h4 gxh4 31. gxh4 b6 32. h5+ Kf7 33. Bg5 Bh8 34. Bh4 Bg7 35. Bd8 Ke8 36. Bg5 Kf7 37. h6 Bf8 38. Kh5 Bd6 39. Bd8 Bf8 40. Kg5 a6 41. Bxb6 Be7+ 42. Kh5 Kf6 43. Bc7 Bf8 44. Bd8+ Kf7 45. Kg5 Bd6 46. Bf6 1-0

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.21"]
[Round "7"]
[White "Jurky, Marian"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1760"]
[BlackElo "1958"]
[PlyCount "112"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 d6 6. Nc3 g6 7. Nf3 Bg7 8. a4 0-0 9. Be2 axb5 10. Bxb5 Ba6 11. 0-0 Bxb5 12. Nxb5 Na6 13. Re1 Nc7 14. Nxc7 Qxc7 15. e4 Rfb8 16. Qc2 Qa5 17. Bd2 Qb6 18. Bc3 Nd7 19. Bxg7 Kxg7 20. Reb1 Qb3 21. Qxb3 Rxb3 22. Nd2 Rd3 23. Rd1 Ne5 24. Kf1 f5 25. Ke2 Rd4 26. b3 fxe4 27. f3 exf3+ 28. Nxf3 Nxf3 29. gxf3 Rh4 30. Kd3 Rb8 31. Ra3 Rd4+ 32. Kc2 Rxd1 33. Kxd1 Kf6 34. Kc2 Ke5 35. Kc3 Kxd5 36. a5 Kc6 37. Ra4 Rf8 38. f4 Kb5 39. h4 d5 40. a6 Ra8 41. a7 Kb6 42. b4 c4 43. Ra5 e6 44. Ra1 Rxa7 45. Re1 Ra3+ 46. Kc2 Kb5 47. Rxe6 Kxb4 48. Rb6+ Kc5 49. Rb7 Rf3 50. Rxh7 Rxf4 51. Rh6 Rg4 52. h5 Rg2+ 53. Kc1 gxh5 54. Rxh5 c3 55. Rh8 Kc4 56. Rc8+ Kd3 0-1

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.20"]
[Round "6"]
[White "Koska, Jiri"]
[Black "Kapinaj, Matus"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1958"]
[BlackElo "1000"]
[PlyCount "80"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5 5. Qd4 Ng6 6. Qxe4 Nf6 7. Qa4+ Bd7 8. Bb5 a6 9. Bxd7+ Qxd7 10. Be3 0-0-0 11. Qxd7+ Nxd7 12. 0-0-0 Nde5 13. Nh3 f6 14. Nf4 Nxf4 15. Bxf4 Nf7 16. Rhe1 g5 17. Bg3 h5 18. h3 g4 19. hxg4 hxg4 20. Bf4 Re8 21. Rd4 Bh6 22. Bxh6 Nxh6 23. Rde4 Kd7 24. Rb4 b6 25. Ra4 a5 26. Rc4 Rhg8 27. Nb5 Rc8 28. g3 Rg5 29. Rd4 Nf7 30. Na7 Rh8 31. Nc6 Ne5 32. Nxe5+ fxe5 33. Rde4 Kd6 34. c4 Rh2 35. R1e2 e6 36. dxe6 Kxe6 37. Kc2 Rf5 38. Kb3 Rf3+ 39. Ka4 Rfxf2 40. Rxe5+ Kd6 1/2-1/2

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.19"]
[Round "5"]
[White "Cerven, Samuel"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1456"]
[BlackElo "1958"]
[PlyCount "128"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 e6 4. e5 c5 5. Qg3 Ne7 6. Nf3 a6 7. Be2 Nbc6 8. 0-0 Qc7 9. Re1 Nf5 10. Qg4 Nfd4 11. Bd1 Nf5 12. d3 b5 13. Bf4 Nce7 14. Ne2 Ng6 15. h4 h5 16. Qh3 Be7 17. g3 d4 18. Kh2 Bb7 19. Neg1 Qc6 20. Re4 Qd7 21. Re1 Nfxh4 22. Nxh4 Bxh4 23. gxh4 Nxf4 24. Qg3 Ng6 25. Bf3 0-0-0 26. Bxb7+ Qxb7 27. Nf3 Ne7 28. Ng5 Nf5 29. Qf4 Rde8 30. c3 dxc3 31. bxc3 Re7 32. d4 Rd8 33. dxc5 Qc6 34. Ne4 g6 35. Nd6+ Kb8 36. a4 Qxc5 37. Ne4 Qc4 38. axb5 axb5 39. Red1 Red7 40. Rxd7 Rxd7 41. Rb1 Nh6 42. Qxh6 Qxe4 43. Qf8+ Kc7 44. Qc5+ Qc6 45. Rxb5 Qxc5 46. Rxc5+ Kb6 47. Rc8 Rc7 48. Rxc7 Kxc7 49. Kg3 Kc6 50. Kf4 Kd5 51. f3 Kc4 52. Kg5 Kxc3 53. Kf6 Kd4 54. f4 Ke4 55. Kxf7 Kf5 56. Ke7 Kxf4 57. Kxe6 g5 58. hxg5 Kxg5 59. Kf7 h4 60. e6 h3 61. e7 h2 62. e8Q h1Q 63. Qe7+ Kg4 64. Qe6+ Kg3 1/2-1/2

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.18"]
[Round "4"]
[White "Koska, Jiri"]
[Black "Ballo, Filip"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1958"]
[BlackElo "1558"]
[PlyCount "80"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 d5 6. Nf3 Bd6 7. 0-0 d4 8. Ne2 Qc7 9. Ng3 h5 10. Re1 h4 11. e5 hxg3 12. exd6 gxf2+ 13. Kxf2 Qxd6 14. Qe2 f6 15. Qe4 Ne7 16. Nd2 Qxh2 17. Nb3 Qh4+ 18. Qxh4 Rxh4 19. Nxc5 e5 20. Bd2 Rb8 21. b3 Kf7 22. a4 Nd5 23. Reb1 Bf5 24. Kf3 g5 25. b4 Nc7 26. Ra2 Be6 27. Rab2 Bd5+ 28. Kg3 a6 29. Rf1 Kg6 30. Nd7 Rg4+ 31. Kxg4 Be6+ 32. Kg3 Bxd7 33. Rbb1 f5 34. c4 e4 35. dxe4 fxe4 36. Rfe1 Bf5 37. Bc1 Ne6 38. b5 axb5 39. cxb5 Nc5 40. b6 Nxa4 1/2-1/2

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.17"]
[Round "2"]
[White "Koska, Jiri"]
[Black "Visvader, Kristof"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1958"]
[BlackElo "1614"]
[PlyCount "63"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Qc7 7. 0-0 b5 8. a3 Nbd7 9. h3 Nb6 10. f4 0-0 11. Be3 Nc4 12. Qc1 a5 13. b3 Nxe3 14. Qxe3 Bb7 15. e5 Nd7 16. Ne4 Nb6 17. Rac1 Rfc8 18. c4 b4 19. a4 f5 20. Ng5 Qd7 21. Kh2 h6 22. Nf3 Re8 23. Nh4 Kh7 24. e6 Qc7 25. g4 Bf6 26. Nf3 Rg8 27. gxf5 gxf5 28. Qd3 Rg7 29. Qxf5+ Kh8 30. Rg1 Rag8 31. Bh1 c5 32. d5 1-0

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.17"]
[Round "3"]
[White "Rakovsky, Jakub"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2016"]
[BlackElo "1958"]
[PlyCount "59"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Nf6 6. Nf3 Bf5 7. Bc4 e6 8. h3 Nbd7 9. Bb3 Qc7 10. Qe2 Be7 11. 0-0-0 0-0-0 12. Ng5 Bg6 13. f4 Rde8 14. Qf2 Nd5 15. Nge4 Nxc3 16. Nxc3 Nf6 17. g4 Be4 18. Rhe1 Bd5 19. f5 Bxb3 20. axb3 exf5 21. Qxf5+ Qd7 22. Qa5 b6 23. Qa6+ Qb7 24. Qc4 Bd6 25. d5 c5 26. Nb5 Qd7 27. g5 Ne4 28. Rxe4 Rxe4 29. Nxd6+ Qxd6 30. Qxe4 1-0

[Event "SVK-ch U16"]
[Site "Dudince"]
[Date "2023.04.16"]
[Round "1"]
[White "Cizmar, Tomas"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1470"]
[BlackElo "1958"]
[PlyCount "154"]
[EventDate "2023.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 e6 6. Nf3 Bd6 7. 0-0 Nge7 8. Re1 Ng6 9. Qe2 0-0 10. Bxg6 hxg6 11. Nbd2 Qc7 12. h3 f6 13. Nb3 e5 14. dxe5 fxe5 15. Be3 e4 16. Nfd4 Qf7 17. Rad1 a6 18. Rd2 Ne5 19. Nc1 Qe7 20. Qf1 Nc4 21. Rc2 Qe5 22. f4 Nxe3 23. fxe5 Nxf1 24. exd6 Ng3 25. c4 Nf5 26. Nxf5 gxf5 27. Rd2 Be6 28. cxd5 Bf7 29. Ne2 Rfd8 30. Nc3 Rxd6 31. Kf2 Rad8 32. Ke3 R6d7 33. Red1 g6 34. a3 Kg7 35. Kf4 Kf6 36. h4 Rh8 37. Rh1 Re8 38. Re1 Red8 39. Red1 Re7 40. g4 Kg7 41. gxf5 gxf5 42. Kxf5 Bg6+ 43. Kf4 e3 44. Re2 Rf8+ 45. Kg4 Kh6 46. d6 Bh5+ 47. Kg3 Rg7+ 48. Kh3 Bg4+ 49. Kh2 Bxe2 50. Nxe2 Rf2+ 51. Kh3 Rd7 52. Ng3 e2 53. Re1 Rxd6 54. Rxe2 Rxe2 55. Nf5+ Kh5 56. Nxd6 Rxb2 57. a4 Rb3+ 58. Kg2 Kxh4 59. Kf2 Kg4 60. Ke2 Kf4 61. Kd2 Ke5 62. Kc2 Kxd6 63. Kxb3 Kc5 64. Kc3 a5 65. Kb3 Kd4 66. Ka3 Kc3 67. Ka2 Kb4 68. Kb2 Kxa4 69. Ka2 b5 70. Kb2 b4 71. Ka2 Kb5 72. Kb3 a4+ 73. Kb2 Kc4 74. Ka2 a3 75. Kb1 b3 76. Ka1 Kc3 77. Kb1 b2 0-1

[Event "SVK-chT1E 2223"]
[Site "Slovakia"]
[Date "2023.03.12"]
[Round "11.4"]
[White "Koska, Jiri"]
[Black "Hros, Roman"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1921"]
[BlackElo "2257"]
[PlyCount "62"]
[EventDate "2022.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Humenne Reinter II"]
[BlackTeam "Liptov Chess School II"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bc4 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Nc3 Nf6 10. 0-0 Bd6 11. Bxd7+ Qxd7 12. Ne2 0-0 13. c3 Rab8 14. Nd4 e5 15. Nf3 h6 16. Re1 Rfe8 17. h3 Bc7 18. Qc2 Qd6 19. g3 Qc6 20. Qd1 a5 21. Rb1 a4 22. Re2 d4 23. Rc2 d3 24. Rd2 e4 25. Nd4 Qd7 26. Kh2 Bb6 27. b3 Bxd4 28. cxd4 Qf5 29. Ba3 e3 30. fxe3 Ne4 31. Rxd3 Qf2+ 0-1

[Event "SVK-chT1E 2223"]
[Site "Slovakia"]
[Date "2023.03.11"]
[Round "10.4"]
[White "Belus, Benjamin"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1882"]
[BlackElo "1921"]
[PlyCount "144"]
[EventDate "2022.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kezmarok KdV"]
[BlackTeam "Humenne Reinter II"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 c5 6. Nc3 Nc6 7. d3 d6 8. Bf4 e5 9. Bd2 Nh5 10. Nd5 f5 11. Ne1 f4 12. Nc2 Be6 13. Rb1 Qd7 14. a3 Bh3 15. b4 Bxg2 16. Kxg2 b6 17. Na1 Nd4 18. Nb3 Nxe2 19. f3 Nd4 20. Nxd4 cxd4 21. Qb3 Kh8 22. g4 Nf6 23. Nxf6 Bxf6 24. b5 h5 25. h3 Kg7 26. a4 Rh8 27. Rh1 Rh6 28. Rh2 Rah8 29. Rhh1 Qb7 30. gxh5 Rxh5 31. Qd1 Rg5+ 32. Kf2 Rg3 33. Qe2 Bh4 34. Qe4 Qxe4 35. dxe4 Rxh3+ 36. Ke2 Bd8 37. Rxh3 Rxh3 38. Rf1 Rh2+ 39. Kd3 Kf6 40. a5 bxa5 41. Ra1 Rf2 42. Bxa5 Bxa5 43. Rxa5 Rxf3+ 44. Kd2 Rc3 45. Rxa7 Rxc4 46. Rd7 Ke6 47. Rg7 Rb4 48. Rxg6+ Kd7 49. Rg7+ Kc8 50. Rg6 Kc7 51. Rg7+ Kb6 52. Rd7 Kc5 53. Rc7+ Kxb5 54. Rb7+ Kc5 55. Rc7+ Kb6 56. Rc8 Rb2+ 57. Ke1 Kb7 58. Rf8 Rb3 59. Rf7+ Kc6 60. Ra7 Re3+ 61. Kd2 Rxe4 62. Ra6+ Kd5 63. Ra5+ Ke6 64. Ra8 Re3 65. Rf8 f3 66. Kd1 e4 67. Rf4 Ke5 68. Rf8 Re2 69. Rf7 d3 70. Rf8 Rg2 71. Rf7 Kd4 72. Rf6 Ke5 0-1

[Event "SVK-chT1E 2223"]
[Site "Slovakia"]
[Date "2022.12.04"]
[Round "6.6"]
[White "Koska, Jiri"]
[Black "Tauber, Marek"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1921"]
[BlackElo "2062"]
[PlyCount "82"]
[EventDate "2022.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Humenne Reinter II"]
[BlackTeam "Kosice Slavia UPJS"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. d3 Nc6 7. a3 dxc4 8. dxc4 Qxd1 9. Rxd1 Be6 10. Bf4 Bxc4 11. Nc3 Bb3 12. Rd2 Rac8 13. Nb5 a6 14. Nbd4 Nxd4 15. Nxd4 Bd5 16. Rc1 Bxg2 17. Kxg2 Ne4 18. Rdc2 e5 19. f3 exf4 20. fxe4 Bxd4 21. gxf4 c5 22. Kf3 Bf6 23. b4 b6 24. bxc5 bxc5 25. Rxc5 Rxc5 26. Rxc5 Be7 27. Rc7 Bxa3 28. Ra7 Rc8 29. Rxa6 Rc3+ 30. Kg2 Kg7 31. f5 Be7 32. Ra4 Rb3 33. Rc4 Rb4 34. Rxb4 Bxb4 35. Kf3 Kf6 36. Kg4 Bd2 37. h3 h5+ 38. Kf3 g5 39. e3 Ke5 40. Ke2 Bc1 41. Kf3 f6 0-1

[Event "SVK-chT2D 2223"]
[Site "Slovakia"]
[Date "2022.11.27"]
[Round "6.5"]
[White "Koska, Jiri"]
[Black "Kaminsky, Ladislav"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1904"]
[BlackElo "1576"]
[PlyCount "93"]
[EventDate "2022.10.08"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bardejov BSK"]
[BlackTeam "Sabinov"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 Nc6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Bb5 Bd7 7. Ne2 Nxe5 8. Bxd7+ Nxd7 9. Ng3 Nf6 10. 0-0 e6 11. Re1 Qd5 12. c3 Bd6 13. Qe2 Bxg3 14. hxg3 0-0 15. Bf4 c6 16. Be5 Qd8 17. Qc2 Ng4 18. Rxe4 Qg5 19. Qd1 f5 20. Re1 Qh5 21. Qf3 Qh2+ 22. Kf1 Nxe5 23. dxe5 Rad8 24. Ke2 Qh6 25. Rad1 Qg5 26. Qe3 Qg4+ 27. f3 Qxg3 28. Kf1 b6 29. Rd3 Rd5 30. c4 Rxd3 31. Qxd3 Qh4 32. Rd1 c5 33. b3 Re8 34. Qd7 Qe7 35. Qc6 g6 36. Rd7 Qh4 37. Rxa7 Qh1+ 38. Kf2 Qh4+ 39. Ke2 Re7 40. Rxe7 Qxe7 41. Qxb6 g5 42. a4 g4 43. fxg4 fxg4 44. a5 h5 45. a6 h4 46. a7 Qf8 47. Qb8 1-0

[Event "SVK-chT2D 2223"]
[Site "Slovakia"]
[Date "2022.11.26"]
[Round "5.5"]
[White "Koska, Jiri"]
[Black "Presalovic, Marcel"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1904"]
[BlackElo "2043"]
[PlyCount "101"]
[EventDate "2022.10.08"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bardejov BSK"]
[BlackTeam "Stropkov/Svidnik"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 c5 6. Nc3 Be7 7. b3 0-0 8. Bb2 a6 9. d4 cxd4 10. Qxd4 d6 11. Rfd1 Qc7 12. Rac1 Rd8 13. Na4 Nbd7 14. Ba3 Nc5 15. Bxc5 dxc5 16. Qe5 Bd6 17. Qc3 Rd7 18. Nd2 Be5 19. Qc2 Bxg2 20. Kxg2 Rad8 21. Nf3 Qc6 22. Nxb6 Rxd1 23. Rxd1 Bc7 24. Rxd8+ Bxd8 25. Na4 h5 26. Qd3 Be7 27. Kg1 Nd7 28. h3 g6 29. Nd2 f5 30. e4 h4 31. exf5 exf5 32. Nc3 hxg3 33. fxg3 Nf6 34. Nd5 Qe6 35. Nxf6+ Qxf6 36. Kg2 Qb2 37. h4 Bf6 38. Kf3 Qxa2 39. Qd5+ Kh7 40. h5 gxh5 41. Qf7+ Bg7 42. Qxf5+ Kh6 43. Qf4+ Kg6 44. Qe4+ Kf7 45. Qf5+ Kg8 46. Qd5+ Kh7 47. Qd3+ Kh6 48. Nf1 Qa1 49. Ne3 Be5 50. Nf5+ Kh7 51. Qd7+ 1-0

[Event "SVK-chT2D 2223"]
[Site "Slovakia"]
[Date "2022.11.13"]
[Round "4.4"]
[White "Foglar, Ivan"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1979"]
[BlackElo "1921"]
[PlyCount "53"]
[EventDate "2022.10.08"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Margecany"]
[BlackTeam "Bardejov BSK"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. Be2 e6 5. d4 Nd7 6. 0-0 Bh5 7. Re1 dxe4 8. Nxe4 Ngf6 9. Bg5 Be7 10. Nxf6+ Nxf6 11. c3 h6 12. Bh4 0-0 13. Ne5 Bxe2 14. Qxe2 Nd5 15. Bxe7 Qxe7 16. Rad1 Rfd8 17. a3 c5 18. Qf3 Nf6 19. dxc5 Qxc5 20. h3 Qb6 21. b4 Qc7 22. Rxd8+ Rxd8 23. c4 Ne8 24. c5 Rd5 25. Qe3 b6 26. cxb6 axb6 27. f4 1/2-1/2

[Event "SVK-chT2D 2223"]
[Site "Slovakia"]
[Date "2022.11.12"]
[Round "3.4"]
[White "Koska, Jiri"]
[Black "Petko, Peter"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1921"]
[BlackElo "1814"]
[PlyCount "83"]
[EventDate "2022.10.08"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bardejov BSK"]
[BlackTeam "Gelnica Slovan"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 4. d3 Bb4 5. Bd2 Nf6 6. g3 0-0 7. Bg2 Re8 8. 0-0 e5 9. a3 Bxc3 10. Bxc3 d6 11. Nh4 d5 12. Re1 Nbd7 13. Nf5 d4 14. Bd2 Nf8 15. f4 Ng6 16. h4 Nh8 17. Rf1 Bc8 18. fxe5 Rxe5 19. Bf4 Rb5 20. a4 Rc5 21. b4 Rc3 22. Bd2 Bxf5 23. exf5 Rc8 24. Bxc3 dxc3 25. d4 Qd6 26. Qd3 Nh5 27. g4 Nf4 28. Qe4 Nxg2 29. Kxg2 Qxb4 30. Rfe1 h6 31. g5 hxg5 32. hxg5 Rd8 33. g6 Qd6 34. Qe8+ Qf8 35. Qxf8+ Kxf8 36. gxf7 Kxf7 37. Re4 Kf6 38. Rf1 c5 39. dxc5 Rd2+ 40. Rf2 Rxf2+ 41. Kxf2 Kxf5 42. c6 1-0

[Event "SVK-chT1E 2223"]
[Site "Slovakia"]
[Date "2022.10.15"]
[Round "1.7"]
[White "Koska, Jiri"]
[Black "Vrchovsky, Viliam"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1921"]
[BlackElo "1873"]
[PlyCount "107"]
[EventDate "2022.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Humenne Reinter II"]
[BlackTeam "Dunajov Martin II"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d4 Bg4 5. 0-0 e6 6. Nbd2 Bd6 7. Re1 0-0 8. c3 Rb8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Bf5 12. Re1 h6 13. Nd2 Re8 14. b4 Bf8 15. Nc4 Ne7 16. Na5 Nd5 17. Qb3 Qd7 18. Bd2 c6 19. a4 Bd6 20. c4 Ne7 21. Qc3 Bc7 22. Nb3 Rbd8 23. Be3 Bg6 24. Nc5 Qc8 25. a5 b6 26. axb6 Bxb6 27. Na4 Bc7 28. Ra3 e5 29. d5 cxd5 30. cxd5 Nxd5 31. Bxd5 Rxd5 32. Bxa7 Rd3 33. Qb2 Rxa3 34. Qxa3 Qa8 35. Bc5 Be4 36. Qb3 Bh1 37. f3 Bxf3 38. b5 Ba5 39. Rf1 Bh1 40. Qxf7+ Kh8 41. Qf2 Qd5 42. b6 Be4 43. Qf7 Qxf7 44. Rxf7 Rb8 45. Ra7 Bd2 46. Kf2 Bc6 47. Bd6 Rd8 48. Bc7 Rf8+ 49. Ke2 Bg5 50. b7 Bb5+ 51. Kd1 Rf1+ 52. Kc2 Rf2+ 53. Kb3 Kh7 54. b8Q 1-0

[Event "Pardubice rapid op 33rd"]
[Site "Pardubice"]
[Date "2022.07.21"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Chrz, Pavel"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1856"]
[BlackElo "1986"]
[PlyCount "92"]
[EventDate "2022.07.20"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. d3 Nf6 6. c4 d5 7. Nc3 dxc4 8. dxc4 Bg4 9. Be3 Qa5 10. Qa4 0-0 11. Rac1 Rac8 12. h3 Qxa4 13. Nxa4 Bxf3 14. Bxf3 Nd4 15. Bxd4 cxd4 16. Bxb7 Rc7 17. Bg2 e5 18. Rfd1 Rfc8 19. b3 Nd7 20. Rc2 f5 21. e3 Kf8 22. exd4 exd4 23. Re2 Rd8 24. f4 Nf6 25. Kf2 d3 26. Re3 Ne4+ 27. Ke1 Re7 28. Bxe4 fxe4 29. Kf1 Bd4 30. Ree1 a5 31. Kg2 Kf7 32. Rf1 Ba7 33. Rfe1 e3 34. Nc3 e2 35. Rd2 Be3 36. Rb2 Bd4 37. Nd5 Bxb2 38. Nxe7 Kxe7 39. Kf3 Bc3 40. Rb1 e1Q 41. Rxe1+ Bxe1 42. f5 gxf5 43. g4 d2 44. gxf5 d1Q+ 45. Kf4 Rd4+ 46. Kg5 Bd2# 0-1

[Event "Pardubice rapid op 33rd"]
[Site "Pardubice"]
[Date "2022.07.21"]
[Round "4"]
[White "Melichar, Vojtech"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1907"]
[BlackElo "1856"]
[PlyCount "127"]
[EventDate "2022.07.20"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. Bf4 d5 4. e3 Bg7 5. h4 h5 6. Nf3 Bg4 7. Qd2 c6 8. Ne5 Nbd7 9. f3 Be6 10. 0-0-0 Nxe5 11. Bxe5 Rg8 12. Ne2 Qd7 13. Nf4 Nh7 14. Bxg7 Rxg7 15. Qb4 Bf5 16. Bd3 Bxd3 17. Nxd3 b6 18. Qa4 Rg8 19. Ne5 Qd6 20. Qxc6+ Qxc6 21. Nxc6 e6 22. e4 Nf6 23. Rhe1 Kd7 24. Ne5+ Ke7 25. b3 Rgc8 26. Kb2 Kf8 27. Nd3 Rd8 28. e5 Ne8 29. g4 Ng7 30. Nf4 Kg8 31. Rg1 Kh7 32. Rg2 Rg8 33. Nh3 Rgf8 34. Rdg1 Rac8 35. Nf4 Rg8 36. a4 Rb8 37. c3 Rbc8 38. Kc2 Rb8 39. Kd3 Rbc8 40. c4 dxc4+ 41. bxc4 Rgf8 42. gxh5 Nxh5 43. Nxh5 gxh5 44. Rg7+ Kh6 45. d5 exd5 46. cxd5 Rc5 47. Kd4 Rd8 48. d6 Rdc8 49. Rxf7 Rc4+ 50. Kd5 R4c5+ 51. Ke6 Re8+ 52. Re7 Rf8 53. Rf7 Rxe5+ 54. Kxe5 Rxf7 55. Ke6 Rxf3 56. d7 Re3+ 57. Kd6 Rd3+ 58. Kc7 Rc3+ 59. Kb7 Rd3 60. Kc8 Rc3+ 61. Kd8 a6 62. Rg5 Rc4 63. Ke7 Re4+ 64. Kd6 1-0

[Event "Pardubice rapid op 33rd"]
[Site "Pardubice"]
[Date "2022.07.20"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Akesson, Ralf"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1856"]
[BlackElo "2427"]
[PlyCount "124"]
[EventDate "2022.07.20"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. d4 c5 6. e3 Be7 7. Nbd2 0-0 8. dxc5 Na6 9. Nb3 Nxc5 10. Nxc5 Bxc5 11. Bd2 Ne4 12. a3 Qe7 13. Qe1 Nxd2 14. Qxd2 Rfc8 15. Rfd1 d5 16. Nd4 a6 17. c3 Rab8 18. Rac1 g6 19. Qe2 Rd8 20. Nb3 f5 21. Nxc5 Qxc5 22. Qd3 Rbc8 23. Qd4 Kf7 24. Rd2 Qe7 25. Qe5 Qf6 26. Qxf6+ Kxf6 27. Rdc2 g5 28. Re2 h5 29. f4 Rg8 30. Kf2 h4 31. Rce1 Rc7 32. gxh4 gxh4 33. Bh3 Rcg7 34. Kf1 e5 35. fxe5+ Kxe5 36. Rf2 Bc8 37. Ke2 Be6 38. Ref1 Rg5 39. Rf4 Rh5 40. Ke1 a5 41. Kd2 Rb8 42. Rd4 Rg8 43. Rdf4 Bd7 44. Rd4 Rh6 45. Rff4 Rg1 46. Rxh4 Rhg6 47. Rhf4 Rb1 48. Kc2 Rgg1 49. Rd2 Rbc1+ 50. Kb3 Be6 51. Rfd4 Rce1 52. R2d3 Re2 53. Rd2 Rxe3 54. R2d3 Rxd3 55. Rxd3 Rh1 56. Rd2 d4+ 57. Kc2 dxc3 58. Kxc3 Re1 59. Bg2 f4 60. Bf3 Rf1 61. Be2 Rc1+ 62. Kd3 Bc4# 0-1

[Event "Pardubice rapid op 33rd"]
[Site "Pardubice"]
[Date "2022.07.20"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Vokoun, Jan"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1856"]
[BlackElo "2056"]
[PlyCount "87"]
[EventDate "2022.07.20"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. d3 e6 6. e4 d6 7. Nbd2 Be7 8. Re1 Nbd7 9. e5 dxe5 10. Nxe5 Bxg2 11. Kxg2 Nxe5 12. Rxe5 Qc7 13. Re1 0-0 14. Kg1 Rfd8 15. Qf3 Rac8 16. Ne4 Nd5 17. a3 Qd7 18. Qe2 Nc7 19. Be3 Nb5 20. Red1 Nd4 21. Bxd4 cxd4 22. c3 f5 23. Nd2 dxc3 24. bxc3 Rxc3 25. Nc4 Bf6 26. Re1 Rxd3 27. Ne5 Bxe5 28. Qxe5 Rd6 29. Rac1 h6 30. Rb1 Qb7 31. a4 Qd5 32. Qe3 Kf7 33. Ra1 Rc8 34. a5 Rc4 35. axb6 axb6 36. Ra7+ Kg6 37. Raa1 Re4 38. Qc3 Rxe1+ 39. Rxe1 Rc6 40. Qb2 Kf7 41. Ra1 Rd6 42. Ra7+ Kg6 43. Rxg7+ Kh5 44. Qe2+ 1-0

[Event "Pardubice rapid op 33rd"]
[Site "Pardubice"]
[Date "2022.07.20"]
[Round "2"]
[White "Zdrazil, Tomas"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2122"]
[BlackElo "1856"]
[PlyCount "56"]
[EventDate "2022.07.20"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Nf3 Ne7 7. Bd3 Ng6 8. 0-0 Nc6 9. b4 Bb6 10. Bb2 0-0 11. g3 f6 12. Bxg6 hxg6 13. Nbd2 fxe5 14. Nxe5 Nxe5 15. Bxe5 Qg5 16. Bb2 Qf5 17. Qe2 Qxc2 18. Qe5 Rf7 19. Nf3 Qf5 20. Qxf5 gxf5 21. Rfe1 Bd7 22. Ne5 Re7 23. Nxd7 Rxd7 24. Rxe6 d4 25. Rd1 d3 26. Rd2 Rc8 27. Re1 Rc2 28. Red1 Re7 0-1

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.26"]
[Round "6"]
[White "Kolesar, Peter"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1949"]
[BlackElo "1804"]
[PlyCount "51"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. c3 Bg7 4. Bc4 d5 5. exd5 cxd5 6. Bd3 Nc6 7. Ne2 e6 8. Ng3 Qc7 9. Nd2 Nge7 10. Nf3 Bd7 11. Bd2 0-0 12. Qc2 a6 13. 0-0 f6 14. Ne1 e5 15. dxe5 fxe5 16. f3 Rac8 17. Kh1 Kh8 18. a3 Qb6 19. Bg5 Nf5 20. Nxf5 Bxf5 21. Qd2 e4 22. Be2 exf3 23. Nxf3 d4 24. Rac1 dxc3 25. bxc3 Be4 26. Nh4 1/2-1/2

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.26"]
[Round "7"]
[White "Koska, Jiri"]
[Black "Kulich, Daniel"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1804"]
[BlackElo "1665"]
[PlyCount "175"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 d5 4. 0-0 e6 5. d4 Bd6 6. e3 0-0 7. Nbd2 c6 8. c4 Bd7 9. c5 Bc7 10. Qc2 Be8 11. b4 a5 12. Rb1 Bg6 13. Nh4 b5 14. cxb6 Bxb6 15. Nxg6 hxg6 16. a3 axb4 17. axb4 Qd6 18. Nb3 Nbd7 19. Nc5 Bxc5 20. bxc5 Qc7 21. Bd2 Rfb8 22. Rxb8+ Rxb8 23. Rb1 Kf7 24. Bf1 Ne4 25. Ra1 Nxd2 26. Qxd2 Rb7 27. Ra6 Ra7 28. Qa2 Rxa6 29. Qxa6 Ke7 30. Be2 Nb8 31. Qa8 Kd7 32. g4 Ke7 33. gxf5 gxf5 34. Qa1 g6 35. Kh1 Kf6 36. Qg1 g5 37. Qg2 g4 38. Kg1 Ke7 39. h3 gxh3 40. Qg7+ Kd8 41. Qf8+ Kd7 42. Qf7+ Kc8 43. Qxe6+ Qd7 44. Qg8+ Kb7 45. Qg3 Qh7 46. Bf1 Na6 47. Bxa6+ Kxa6 48. Kh2 Qe7 49. Qb8 Ka5 50. Qb6+ Ka4 51. Qxc6+ Kb4 52. Qxd5 Qh4 53. Qf3 Qh7 54. Qxh3 Qg6 55. Qg3 Qh5+ 56. Kg2 Qf7 57. c6 Qd5+ 58. Qf3 Qg8+ 59. Kh1 Qh7+ 60. Kg1 Qg8+ 61. Qg3 Qc4 62. c7 Qc1+ 63. Kh2 Qc6 64. d5 Qh6+ 65. Kg1 Qa6 66. d6 Qa1+ 67. Kg2 Qa8+ 68. f3 Qa2+ 69. Kh3 Qe6 70. Qf4+ Kb5 71. Kg3 Qg8+ 72. Kh2 Qh7+ 73. Kg2 Qg8+ 74. Qg3 Qa2+ 75. Qf2 Qg8+ 76. Kf1 Kb6 77. Qb2+ Ka6 78. Qa3+ Kb5 79. Qd3+ Kb6 80. Qc3 Qc8 81. d7 Qa6+ 82. Ke1 Qa2 83. c8Q Qb1+ 84. Qc1 Qb4+ 85. Q8c3 Qh4+ 86. Kd1 Qa4+ 87. Q1c2 Qxd7+ 88. Qd4+ 1-0

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.25"]
[Round "4.11"]
[White "Bombek, Peter"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2099"]
[BlackElo "1804"]
[PlyCount "63"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 g5 7. Ne2 Nc6 8. Nd2 Bd7 9. b4 e5 10. d5 Ne7 11. Ng3 Ng6 12. Nh5 Qe7 13. g3 Rg8 14. Be2 f5 15. exf5 Bxf5 16. Bg4 Qf7 17. Qf3 Bxg4 18. Qxg4 Be7 19. c4 Nf8 20. 0-0 Nd7 21. Rab1 Nf6 22. Nxf6+ Qxf6 23. Rb3 Qg6 24. c5 dxc5 25. bxc5 Bxc5 26. Rxb7 Bb6 27. Qa4+ Ke7 28. Nc4 Rab8 29. Nxe5 Qf5 30. Rxb8 Rxb8 31. Nc6+ Kf7 32. Nxb8 1-0

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.25"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Szaszak, Lukas"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1804"]
[BlackElo "1475"]
[PlyCount "73"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. c4 d6 6. Nc3 e5 7. d3 0-0 8. a3 a6 9. Qc2 Be6 10. b4 Ne7 11. Bg5 h6 12. Bxf6 Bxf6 13. Nd2 Rb8 14. a4 b6 15. Rfb1 c6 16. c5 d5 17. e3 Qd7 18. Ne2 Bg7 19. Rb2 f5 20. d4 e4 21. Nb3 Bf6 22. cxb6 Rxb6 23. Nc5 Qc8 24. a5 Rb8 25. Nc3 Bf7 26. N3a4 g5 27. Nb6 Qd8 28. Nbd7 Bg7 29. Nxb8 Qxb8 30. Nd7 Qc8 31. Nxf8 Bxf8 32. Bf1 Ng6 33. Qe2 f4 34. Qxa6 Qd7 35. Rc1 Be8 36. Qb6 f3 37. a6 1-0

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.24"]
[Round "2.7"]
[White "Borsos, Bogdan"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2200"]
[BlackElo "1804"]
[PlyCount "62"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 d6 6. e5 dxe5 7. dxe5 Qe7 8. c3 Nc6 9. h4 Bd7 10. Bd3 0-0-0 11. Nbd2 g6 12. Qe2 Bg7 13. 0-0-0 g5 14. hxg5 hxg5 15. g4 f5 16. exf6 Bxf6 17. Nc4 Qg7 18. Be4 Ne7 19. Rxh8 Qxh8 20. Nce5 Bxe5 21. Nxe5 Qf6 22. Bxb7+ Kxb7 23. Nxd7 Qf4+ 24. Kc2 Qa4+ 25. Kb1 Rxd7 26. Re1 Ng6 27. c4 Nf4 28. Qf3+ Kb8 29. Rh1 Rd8 30. a3 Qxc4 31. Ka1 Qd5 0-1

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.24"]
[Round "3.11"]
[White "Koska, Jiri"]
[Black "Hurtuk, Radovan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1804"]
[BlackElo "2069"]
[PlyCount "96"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Qf3 g6 7. Be3 Bg7 8. h3 Nbd7 9. 0-0-0 Qc7 10. g4 b5 11. Qg2 Bb7 12. Bd3 Nc5 13. Kb1 b4 14. Nd5 Nxd5 15. exd5 Nxd3 16. Rxd3 e6 17. Nc6 Bxc6 18. dxc6 d5 19. Bd4 Bxd4 20. Rxd4 a5 21. h4 Qxc6 22. Re1 0-0 23. h5 Rfc8 24. f4 Qc5 25. Rd3 Ra6 26. hxg6 fxg6 27. f5 Rf8 28. Rf3 exf5 29. gxf5 Raf6 30. Ref1 Qd4 31. Qe2 Qe4 32. Re3 Rxf5 33. Rxf5 Qxf5 34. a3 Qf1+ 35. Qxf1 Rxf1+ 36. Ka2 h5 37. axb4 axb4 38. Kb3 Rf2 39. Rd3 h4 40. Rxd5 h3 41. Rd3 h2 42. Rh3 g5 43. c4 bxc3 44. Kxc3 g4 45. Rh4 Kf7 46. Kd4 g3 47. Ke3 Rf1 48. Ke2 h1Q 0-1

[Event "Liptovsky Jan op"]
[Site "Liptovsky Jan"]
[Date "2022.06.23"]
[Round "1.38"]
[White "Koska, Jiri"]
[Black "Livnansky, Michal"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1804"]
[BlackElo "1279"]
[PlyCount "75"]
[EventDate "2022.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bf5 7. Bd2 Qc7 8. Ne5 e6 9. Bg5 Be7 10. g4 Nxg4 11. Nxg4 Bxg5 12. h4 Qf4 13. hxg5 Bxg4 14. Qd2 Qxd2+ 15. Kxd2 h5 16. gxh6 Rxh6 17. Rxh6 gxh6 18. Rh1 b5 19. Bd3 h5 20. Ne4 Ke7 21. Ng3 Bf3 22. Rh4 Nd7 23. Ke3 Bd5 24. Rxh5 Bxa2 25. b3 Nf6 26. Rh1 Nd5+ 27. Kd2 a5 28. Ra1 Nb4 29. Ne2 a4 30. Kc3 Nxd3 31. Kxd3 axb3 32. cxb3 Ra3 33. Nc1 Kd6 34. Rxa2 b4 35. Kc4 Rxa2 36. Nxa2 e5 37. Nxb4 exd4 38. Nd3 1-0

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.28"]
[Round "9"]
[White "Horvath, Marek1111"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1589"]
[BlackElo "1759"]
[PlyCount "115"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 Nf6 5. e5 Nd5 6. c4 Nb6 7. Nc3 e6 8. Nf3 Be7 9. Be3 0-0 10. Bd3 f6 11. 0-0 N8d7 12. Qe1 c5 13. Rd1 cxd4 14. Bxd4 Qe8 15. exf6 Bxf6 16. Bxf6 Nxf6 17. Nb5 Qc6 18. Ne5 Qc5+ 19. Kh1 Nbd7 20. Nxd7 Bxd7 21. Nd6 b6 22. Qh4 Qh5 23. Qxh5 Nxh5 24. Be4 Rab8 25. Rxf8+ Rxf8 26. Bf3 Nf6 27. Ne4 Nxe4 28. Rxd7 a5 29. Kg1 Nc5 30. Rd6 Rb8 31. b3 Kf7 32. Kf2 Ke7 33. Rd2 Rd8 34. Rxd8 Kxd8 35. Ke3 Ke7 36. Kd4 Kd6 37. Kc3 Na6 38. a3 Kc5 39. Bb7 Nc7 40. b4+ axb4+ 41. axb4+ Kd6 42. Kd4 e5+ 43. Ke4 Ne6 44. h4 Nf4 45. g3 Ne6 46. g4 Nf8 47. h5 Nd7 48. Bc8 Nf6+ 49. Kf5 Kc7 50. Be6 e4 51. Kf4 g6 52. g5 Nxh5+ 53. Kxe4 Kd6 54. Bg8 Ng7 55. Bxh7 Ne6 56. Bxg6 Nxg5+ 57. Kf5 Ne6 58. Ke4 1/2-1/2

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.27"]
[Round "8"]
[White "Koska, Jiri"]
[Black "Janik, Marek Tobias"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1759"]
[BlackElo "1840"]
[PlyCount "34"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 Nc6 6. c4 cxd4 7. Nxd4 Bc5 8. Nxc6 bxc6 9. Qc2 Bb6 10. Rd1 0-0 11. b3 Ng4 12. e3 Qf6 13. Bb2 Qh6 14. Bd4 Qxh2+ 15. Kf1 e5 16. Bxb6 axb6 17. cxd5 Ba6+ 0-1

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.26"]
[Round "7"]
[White "Vojtas, Marek"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1000"]
[BlackElo "1759"]
[PlyCount "110"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Bf4 d5 5. exd5 cxd5 6. Bd3 Bg4 7. c3 Nc6 8. h3 Bxf3 9. Qxf3 e6 10. 0-0 Nf6 11. Re1 0-0 12. Nd2 a6 13. a4 Na7 14. g4 b5 15. Nf1 Qb6 16. axb5 axb5 17. Ng3 Nd7 18. h4 h6 19. Kh2 Nc6 20. Rxa8 Rxa8 21. Rg1 e5 22. dxe5 Ndxe5 23. Bxe5 Nxe5 24. Qe2 Nxd3 25. Qxd3 Qxf2+ 26. Rg2 Qc5 27. Ne2 Be5+ 28. Kh3 Ra1 29. Ng3 Bxg3 30. Qxg3 Rh1+ 31. Rh2 Rxh2+ 32. Kxh2 Qc4 33. h5 Qe2+ 34. Kh3 g5 35. Qb8+ Kg7 36. Qb6 Qf1+ 37. Kg3 Qf4+ 38. Kh3 Qf3+ 39. Kh2 Qf4+ 40. Kh3 Qf1+ 41. Kg3 Qe1+ 42. Kf3 Qe4+ 43. Kg3 Qd3+ 44. Kg2 Qc4 45. Kg3 Qf4+ 46. Kh3 Qf3+ 47. Kh2 Qxg4 48. Qxb5 Qxh5+ 49. Kg2 Qg4+ 50. Kh2 Qf4+ 51. Kg2 Qe4+ 52. Kg3 h5 53. Qd7 h4+ 54. Kh3 Qe6+ 55. Qxe6 fxe6 0-1

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.25"]
[Round "6"]
[White "Koska, Jiri"]
[Black "Baron, Patrik"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1759"]
[BlackElo "1740"]
[PlyCount "70"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. 0-0 Nd7 5. d3 Ngf6 6. Nbd2 e5 7. e4 Be7 8. Re1 Qc7 9. h3 Bh5 10. c3 0-0 11. Qc2 Rfe8 12. Nf1 Bg6 13. Nh4 Rad8 14. Nxg6 hxg6 15. Bg5 Bc5 16. b4 Bf8 17. Qb3 Nb6 18. Rad1 dxe4 19. Bxf6 gxf6 20. dxe4 Re6 21. Ne3 Red6 22. Bf1 Kg7 23. Nc4 Nxc4 24. Bxc4 b5 25. Be2 Be7 26. Rxd6 Rxd6 27. Rd1 Kf8 28. Rxd6 Qxd6 29. Qd1 Qxd1+ 30. Bxd1 Ke8 31. Kf1 Kd7 32. Ke2 c5 33. bxc5 Bxc5 34. g4 g5 35. f3 a5 1/2-1/2

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.24"]
[Round "5"]
[White "Salgovic, Simon"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2091"]
[BlackElo "1759"]
[PlyCount "95"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. 0-0-0 Qd7 10. Kb1 0-0-0 11. Bb5 a6 12. Ba4 Bf6 13. Nd4 Bxd4 14. cxd4 d5 15. Qc3 Qd6 16. Bxc6 Qxc6 17. Qxc6 bxc6 18. Rd3 Kd7 19. Ra3 Ra8 20. Ra5 Rhb8 21. a4 Rb4 22. b3 Rbb8 23. Rd1 Bf5 24. Kb2 Rb6 25. Re1 Rbb8 26. Rc5 Rb6 27. Bd2 Be6 28. Re3 Kd6 29. Rec3 Ra7 30. a5 Rb5 31. Rxc6+ Kd7 32. Bf4 Rxa5 33. Rxc7+ Rxc7 34. Rxc7+ Ke8 35. Bd2 Rb5 36. Rc6 a5 37. Ra6 Ke7 38. Rxa5 Rxa5 39. Bxa5 Kd6 40. Ka3 Kd7 41. Kb4 Bf5 42. c4 Bd3 43. Kc5 Ke6 44. Kc6 Bf5 45. c5 Ke7 46. Kxd5 Kd7 47. c6+ Kc8 48. Kc5 1-0

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.23"]
[Round "4"]
[White "Koska, Jiri"]
[Black "Orgon, Patrik"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1759"]
[BlackElo "1721"]
[PlyCount "66"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. c4 e6 4. Bg2 c6 5. 0-0 Bd6 6. cxd5 exd5 7. d4 0-0 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 Bg4 11. Nbd2 Bxf3 12. Nxf3 Nd7 13. a3 Nb6 14. Nd2 Rfe8 15. b4 a5 16. Qb3 a4 17. Qd3 Nd7 18. Rfc1 Rac8 19. b5 Qe7 20. bxc6 bxc6 21. Qa6 Bxa3 22. Rxc6 Nb8 23. Qxa4 Rxc6 24. Qxa3 Ra6 25. Qb2 Rxa1+ 26. Qxa1 Rd8 27. Nb3 Nc6 28. Nc5 Qc7 29. Qa2 Ne7 30. Bf3 Qb6 31. Kg2 g6 32. h4 Kg7 33. Nd3 Qd6 1/2-1/2

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.23"]
[Round "3"]
[White "Ondrejcak, Gregor"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1000"]
[BlackElo "1759"]
[PlyCount "72"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Be6 7. Qb3 dxc4 8. Bxc4 Bxc4 9. Qxc4 e6 10. a3 Be7 11. Be3 0-0 12. 0-0 Rc8 13. Qb5 Na5 14. Rfd1 a6 15. Qd3 Nc4 16. Rab1 Qc7 17. Qe2 Rfd8 18. Nd2 Nxd2 19. Rxd2 Bxa3 20. bxa3 Qxc3 21. Rxb7 Qc1+ 22. Rd1 Qxa3 23. h3 h6 24. Rdb1 Rd6 25. Ra7 Rd7 26. Rxa6 Qe7 27. Kh1 Nd5 28. Bd2 Rdc7 29. Rb2 Rc4 30. Be3 Qc7 31. Rb1 Nc3 32. Qg4 Nxb1 33. Bxh6 g6 34. Qe4 Qb8 35. Rxe6 Rc1+ 36. Bxc1 Rxc1+ 0-1

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.22"]
[Round "2"]
[White "Koska, Jiri"]
[Black "Sandor, Samuel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1759"]
[BlackElo "2054"]
[PlyCount "118"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 0-0 6. 0-0 d6 7. a4 Na5 8. Ba2 c5 9. b4 cxb4 10. cxb4 Nc6 11. b5 Nb8 12. Nc3 h6 13. h3 Re8 14. Be3 Bf8 15. Re1 Be6 16. d4 exd4 17. Bxd4 Nbd7 18. Bxf6 Nxf6 19. Nd5 Rc8 20. Qd4 Rc5 21. Rac1 Nxd5 22. Bxd5 Qc7 23. Rxc5 dxc5 24. Qc4 Qf4 25. Bxe6 Rxe6 26. Qc2 b6 27. a5 g6 28. axb6 axb6 29. Qd2 Qf6 30. Qc2 Bg7 31. Nd2 Qh4 32. Nf3 Qf4 33. Qd2 Qxd2 34. Nxd2 Bc3 35. Re2 Bxd2 36. Rxd2 Rxe4 37. Rd6 Re6 38. Rc6 Kg7 39. Kh2 Kf6 40. Rc7 Rd6 41. f3 Ke6 42. Kg3 f5 43. Rh7 h5 44. Rg7 Kd5 45. Rc7 Ke5 46. Rc8 f4+ 47. Kh2 Kd4 48. Rc6 Kd5 49. Rc7 g5 50. Rc8 Kd4 51. Rc6 Rd5 52. Rxb6 c4 53. Kg1 Kd3 54. Kf1 c3 55. Rc6 Rxb5 56. Rd6+ Kc2 57. Ke2 Re5+ 58. Kf2 Kc1 59. Rc6 c2 0-1

[Event "SVK-ch U16"]
[Site "Stara Lubovna"]
[Date "2022.05.21"]
[Round "1"]
[White "Klimek, Martin1111"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1418"]
[BlackElo "1759"]
[PlyCount "88"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Bg4 5. Be3 cxd4 6. Bxd4 Nc6 7. c3 e6 8. Nbd2 Nge7 9. Be2 Ng6 10. 0-0 Qc7 11. Re1 Be7 12. h3 Bxf3 13. Nxf3 0-0 14. Rc1 Ncxe5 15. Nxe5 Nxe5 16. Bd3 Nxd3 17. Qxd3 Bc5 18. c4 Bxd4 19. Qxd4 dxc4 20. Qxc4 Qxc4 21. Rxc4 Rac8 22. Rec1 Rxc4 23. Rxc4 g6 24. Rc7 Rb8 25. g4 a5 26. Kf1 b5 27. b3 a4 28. bxa4 bxa4 29. Rc2 Rb4 30. Kg2 Kg7 31. Kg3 Kf6 32. h4 h5 33. f3 Rd4 34. Re2 Rb4 35. gxh5 gxh5 36. f4 Rc4 37. Re3 Rc2 38. Ra3 Rc4 39. Re3 Rd4 40. Kf3 Ke7 41. Re4 Rxe4 42. Kxe4 Kd6 43. f5 e5 44. a3 f6 0-1

[Event "SVK-chT1E 2122"]
[Site "Slovakia"]
[Date "2022.05.15"]
[Round "11.4"]
[White "Trebula, Jozef"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2083"]
[BlackElo "1759"]
[PlyCount "71"]
[EventDate "2022.01.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Banska Bystrica Junior"]
[BlackTeam "Humenne Reinter II"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 e6 8. h4 Ne4 9. Nxe4 Bxe4 10. f3 e5 11. fxe4 exf4 12. Bxf4 Bd6 13. e5 Be7 14. Bg3 Nd7 15. Bc4 Nb6 16. Be2 0-0 17. Qd3 Nd5 18. 0-0-0 b5 19. Kb1 Qa5 20. Qe4 Nb4 21. a3 Nd5 22. Bd3 g6 23. h5 Bxa3 24. Be1 b4 25. hxg6 Bxb2 26. gxf7+ Rxf7 27. Qg4+ Kf8 28. c4 Ne3 29. Kxb2 Qa3+ 30. Kb1 Nxg4 31. Rd2 Rb8 32. Rh3 b3 33. Be4 Rf1 34. Re2 Rxe1+ 35. Rxe1 Qa2+ 36. Kc1 0-1

[Event "SVK-chT1E 2122"]
[Site "Slovakia"]
[Date "2022.05.14"]
[Round "10.4"]
[White "Koska, Jiri"]
[Black "Gyerpal, Adrian"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1759"]
[BlackElo "2172"]
[PlyCount "115"]
[EventDate "2022.01.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Humenne Reinter II"]
[BlackTeam "Zvolen Slavia"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a6 7. Bb3 Ba7 8. Nbd2 h6 9. h3 g5 10. Nh2 Rg8 11. Ng4 Bxg4 12. hxg4 Qd7 13. Qf3 Ke7 14. Qf5 Raf8 15. Qxd7+ Kxd7 16. Bd1 b5 17. Re1 h5 18. gxh5 g4 19. Nf1 Nxh5 20. Be3 Nf4 21. Bxf4 exf4 22. d4 g3 23. Bf3 Nxd4 24. cxd4 Bxd4 25. Re2 Rg7 26. Rd1 Bb6 27. Rd5 Rh8 28. Rh5 Rxh5 29. Bxh5 gxf2+ 30. Rxf2 Bd4 31. Nd2 Rg5 32. Bd1 c5 33. Nf3 Bxf2+ 34. Kxf2 Rh5 35. Ng1 Re5 36. Bf3 c4 37. Ne2 b4 38. Ke1 Ra5 39. Nc1 Ke6 40. Be2 d5 41. exd5+ Kxd5 42. Bf3+ Ke5 43. Kd2 f6 44. Kc2 Rc5 45. Ne2 Rc7 46. a3 a5 47. axb4 axb4 48. Nc1 Rc8 49. Ne2 Rd8 50. Nc1 Kd4 51. b3 Rc8 52. Ne2+ Ke3 53. bxc4 Rxc4+ 54. Kb3 Rc8 55. Kxb4 Rc2 56. Nc3 Kd4 57. Ne2+ Ke3 58. Nc3 1/2-1/2

[Event "SVK-chT1E 2122"]
[Site "Slovakia"]
[Date "2022.04.24"]
[Round "9.6"]
[White "Koska, Jiri"]
[Black "Dernar, Jan"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1759"]
[BlackElo "1736"]
[PlyCount "31"]
[EventDate "2022.01.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Humenne Reinter II"]
[BlackTeam "Kosice Slavia TU"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. 0-0 Bg7 8. Nxc6 bxc6 9. e5 Nd7 10. exd6 Nb6 11. Bb3 Qxd6 12. Qxd6 exd6 13. Re1+ Kf8 14. Bf4 Bxc3 15. bxc3 Nd7 16. Bh6+ 1-0

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.10"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Ashurbayov, Arif"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1673"]
[PlyCount "53"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. 0-0 Kd7 9. Re1 b6 10. Bb5+ c6 11. Ne5+ Kc7 12. Bxc6 Rb8 13. Bf4 Qg8 14. Ng6+ Kxc6 15. Nxe7+ Kb7 16. Nxg8 Rxg8 17. Bxb8 Kxb8 18. c4 g5 19. b4 g4 20. Qb3 h5 21. c5 h4 22. b5 h3 23. a4 Nh7 24. a5 Bb7 25. c6 Bc8 26. axb6 axb6 27. Qg3+ 1-0

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.10"]
[Round "2"]
[White "Yavuz, Efe Metehan"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2025"]
[BlackElo "1673"]
[PlyCount "69"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. d4 Nxc3 6. bxc3 Bg4 7. Bd3 e6 8. 0-0 Be7 9. h3 Bh5 10. a4 0-0 11. Be3 Nd7 12. c4 dxc4 13. Bxc4 Nb6 14. Bd3 Qc7 15. c3 Rad8 16. Qc2 Bg6 17. a5 Nd5 18. Bxg6 hxg6 19. c4 Nxe3 20. fxe3 c5 21. a6 b6 22. Rfd1 cxd4 23. exd4 Rc8 24. Rac1 Ba3 25. Ra1 Bb4 26. Rdc1 Rfd8 27. Qe4 Ba5 28. Qh4 Qd7 29. Rab1 Rc7 30. Kh2 Rdc8 31. Ng5 Rxc4 32. Rf1 Bd2 33. Qh7+ Kf8 34. Qh8+ Ke7 35. Rxf7# 1-0

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.05"]
[Round "7"]
[White "Koska, Jiri"]
[Black "Berry, Aidan"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1673"]
[PlyCount "99"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. Nc3 d5 7. cxd5 Nxd5 8. Nxd5 cxd5 9. d3 e6 10. Qb3 Nd7 11. Bf4 Qb6 12. Qxb6 Nxb6 13. Be5 Bxe5 14. Nxe5 Nd7 15. Ng4 b6 16. Rfc1 Kg7 17. Rc7 e5 18. Bxd5 Rb8 19. Ne3 a5 20. Rac1 Nf6 21. Bg2 Be6 22. a3 Rfc8 23. Rxc8 Rxc8 24. Rxc8 Bxc8 25. Nc4 Nd7 26. Bc6 f6 27. Bxd7 Bxd7 28. Nxb6 Bc6 29. Kf1 Kf7 30. Ke1 Ke6 31. Kd2 Kd6 32. Nc4+ Kc5 33. Nxa5 Kb6 34. Nc4+ Kc5 35. Kc3 Bd7 36. b4+ Kb5 37. Nd6+ Ka4 38. Kb2 Be6 39. Ne8 f5 40. e3 Bd7 41. Nf6 Be6 42. Nxh7 Bb3 43. Nf8 Bf7 44. d4 exd4 45. exd4 Kb5 46. Kc3 Ka4 47. Nd7 Kxa3 48. b5 Be8 49. b6 Bxd7 50. b7 1-0

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.05"]
[Round "6"]
[White "Nurahmadov, Tabriz"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1593"]
[BlackElo "1673"]
[PlyCount "67"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. d4 d6 6. Be2 Nbd7 7. 0-0 c5 8. Na3 a6 9. c4 Ne8 10. Qd2 Nc7 11. d5 Rb8 12. Bxg7 Kxg7 13. Nb1 b5 14. Nc3 bxc4 15. bxc4 Nf6 16. Rab1 Bf5 17. Bd3 Bxd3 18. Qxd3 Na8 19. Rxb8 Qxb8 20. Rb1 Qc7 21. h3 Rb8 22. Nd2 Rxb1+ 23. Qxb1 Qb6 24. Qc2 Qb4 25. Ncb1 Nb6 26. a3 Qa4 27. Qc1 Nfd7 28. Nc3 Qa5 29. Nb3 Nxc4 30. Nxa5 Nxa5 31. Qb2 Ne5 32. Qb6 Nec4 33. Qxa6 Nb3 34. Qxc4 1-0

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.04"]
[Round "4"]
[White "Cox, Lucian"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "1061"]
[BlackElo "1673"]
[PlyCount "42"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 g6 7. Bf4 Bg7 8. Qb3 Na5 9. Qb5+ Bd7 10. Qb4 dxc4 11. Bxc4 Nxc4 12. Qxc4 0-0 13. 0-0 Rc8 14. Qb4 b6 15. Rfe1 Re8 16. Ne5 Nh5 17. Nxd7 Nxf4 18. Nxb6 axb6 19. Qb5 Qd6 20. Rad1 Qc6 21. Qb4 Qxg2# 0-1

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.04"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Asgarov, Mahammad"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1673"]
[BlackElo "1158"]
[PlyCount "107"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bc5 6. Be3 Nxd4 7. Bxd4 Bxd4 8. Qxd4 Qf6 9. 0-0-0 Qxd4 10. Rxd4 Nf6 11. e5 Ng8 12. Nb5 Kd8 13. Nd6 Ke7 14. Rf4 f6 15. Nc4 b5 16. exf6+ Nxf6 17. Ne5 a6 18. g4 Bb7 19. Rg1 d6 20. g5 dxe5 21. gxf6+ gxf6 22. Rfg4 Kd6 23. Rg7 Bd5 24. Bg2 Rac8 25. Bxd5 exd5 26. Ra7 Rc6 27. Rgg7 Rhc8 28. c3 b4 29. Kd2 bxc3+ 30. bxc3 Rxc3 31. Rxa6+ R3c6 32. Rxc6+ Rxc6 33. Rxh7 Ra6 34. h4 Rxa2+ 35. Ke1 d4 36. h5 d3 37. h6 Ra8 38. Kd2 e4 39. Rb7 Rh8 40. Rb4 Ke5 41. f3 f5 42. fxe4 fxe4 43. Rb5+ Kf4 44. Rb6 Kg5 45. Re6 Kf5 46. Rc6 Rh7 47. Rd6 Kf4 48. Rf6+ Ke5 49. Rc6 Kf5 50. Rb6 Kg5 51. Re6 Kf4 52. Rf6+ Ke5 53. Rc6 Kf4 54. Rf6+ 1/2-1/2

[Event "EU-ch Schools U15"]
[Site "Tornelo INT"]
[Date "2021.12.04"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Sida, Flavius Ovidiu"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1673"]
[BlackElo "1366"]
[PlyCount "58"]
[EventDate "2021.12.03"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 b6 7. Re1 Bb7 8. c4 d4 9. Qc2 c5 10. a3 Nbd7 11. Rb1 Qc7 12. b4 Rac8 13. bxc5 bxc5 14. Nb3 e5 15. Bd2 e4 16. Nh4 exd3 17. exd3 Bxg2 18. Nxg2 Bd6 19. Ba5 Qc6 20. Nh4 Ne5 21. Nd2 Qd7 22. Ne4 Nxe4 23. Rxe4 g5 24. Ng2 Nf3+ 25. Kf1 Nxh2+ 26. Kg1 Nf3+ 27. Kf1 Rce8 28. Rxe8 Rxe8 29. Rd1 Qh3 0-1

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "4"]
[White "Koska, Jiri"]
[Black "Rakovsky, Jakub"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1480"]
[BlackElo "1667"]
[PlyCount "79"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. h3 0-0 7. 0-0 Ne7 8. Nbd2 Ng6 9. Re1 Bb6 10. Nf1 Be6 11. Bb5 c6 12. Ba4 Bc7 13. Ng3 d5 14. Qe2 Nf4 15. Bxf4 exf4 16. Nf1 Re8 17. e5 Bf5 18. Qd2 Nh5 19. d4 f6 20. exf6 Qxf6 21. Rxe8+ Rxe8 22. Re1 Be4 23. N1h2 Qg6 24. Bb3 Nf6 25. c4 h5 26. cxd5 cxd5 27. Rc1 Bd6 28. Ba4 Rf8 29. Qa5 Bb8 30. Qb4 b6 31. Rc6 Qf5 32. Nh4 Qh7 33. Qe7 Re8 34. Qb7 Bd3 35. Rc8 Qe4 36. N4f3 b5 37. Bb3 Bc4 38. Bxc4 bxc4 39. Qxb8 Qb1+ 40. Nf1 1-0

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "7"]
[White "Koska, Jiri"]
[Black "Sitar, Andrej"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1480"]
[BlackElo "1170"]
[PlyCount "89"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 Be7 5. Ngf3 0-0 6. Qe2 c5 7. dxc5 Bxc5 8. 0-0 Nc6 9. Re1 Qb6 10. h3 Nb4 11. a3 Nxd3 12. cxd3 Bd7 13. b4 Bd6 14. e5 Bxe5 15. Nxe5 Qd4 16. Nxd7 Nxd7 17. Rb1 Rac8 18. Bb2 Qf4 19. Qg4 Qxg4 20. hxg4 Rc2 21. Nb3 Rcc8 22. Rbc1 Nb6 23. Rxc8 Rxc8 24. Rc1 Rxc1+ 25. Bxc1 Na4 26. Kf1 Nc3 27. Nc5 b6 28. Nd7 f6 29. Nb8 Kf7 30. Nc6 a5 31. bxa5 bxa5 32. Nxa5 Ke7 33. Ke1 Kd6 34. Kd2 Nb5 35. a4 Nd4 36. Bb2 Nc6 37. Nxc6 Kxc6 38. Kc3 Kc5 39. Ba3+ Kb6 40. Bf8 g6 41. Be7 f5 42. gxf5 exf5 43. f4 Ka5 44. Kb3 h5 45. g3 1-0

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Volanek, Maros"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1480"]
[BlackElo "1395"]
[PlyCount "67"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Bd3 Nc6 6. Ngf3 Nf6 7. Qe2 dxe4 8. Nxe4 Nd4 9. Nxd4 Bxd4 10. c3 Bb6 11. Bg5 h6 12. Nxf6+ gxf6 13. Bh4 Rg8 14. 0-0-0 Qe7 15. Bb5+ Kf8 16. Qd2 Rh8 17. Bg3 Bc7 18. Bxc7 Qxc7 19. Qd8+ Qxd8 20. Rxd8+ Kg7 21. Rhd1 b6 22. Rxh8 Kxh8 23. Rd8+ Kg7 24. Bc6 Bb7 25. Rxa8 Bxc6 26. Rxa7 Bxg2 27. Ra6 f5 28. Rxb6 Kg6 29. a4 f6 30. a5 e5 31. a6 f4 32. a7 Kg5 33. Rb8 Kg4 34. Rg8+ 1-0

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "5"]
[White "Pongo, Aron"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "1430"]
[BlackElo "1480"]
[PlyCount "112"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 d6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 g6 9. Nf3 Bg7 10. Qc2 0-0 11. Bd2 Nbd7 12. g3 Qb6 13. Kg2 Rfb8 14. b3 Qa6 15. Rhe1 Ng4 16. h3 Nge5 17. Nxe5 Nxe5 18. Re2 Qd3 19. Bg5 Qxc2 20. Rxc2 f6 21. Be3 Rxb3 22. axb3 Rxa1 23. Ra2 Rxa2 24. Nxa2 Kf7 25. b4 cxb4 26. Nxb4 Ke8 27. Kf1 Nc4 28. Ke2 f5 29. Kd3 Nb2+ 30. Kc2 fxe4 31. Nc6 Nc4 32. Bd4 Bxd4 33. Nxd4 Nb6 34. Kd2 Nxd5 35. Ne6 Kf7 36. Ng5+ Kg7 37. Nxe4 Nf6 38. Ng5 h6 39. Nf3 Kf7 40. Ke3 Nd7 41. Kf4 Nc5 42. Nd4 Ne6+ 43. Nxe6 Kxe6 44. Ke4 d5+ 45. Kd4 Kd6 46. f4 e6 47. g4 Ke7 48. Ke5 Kf7 49. h4 h5 50. g5 Ke7 51. Kd4 Kd6 52. Ke3 Kc5 53. Kd3 d4 54. Kd2 Kc4 55. Kc2 d3+ 56. Kd2 Kd4 0-1

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "6"]
[White "Skreko, Igor1111"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1642"]
[BlackElo "1480"]
[PlyCount "195"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 Bg7 8. Bg2 d6 9. Nf3 0-0 10. 0-0 Nbd7 11. Rb1 Qa5 12. Qc2 Rfb8 13. Bd2 Bc8 14. b3 Nb6 15. a4 Qa6 16. e4 Bd7 17. Rfe1 c4 18. bxc4 Nxa4 19. Rxb8+ Rxb8 20. Ra1 Qxc4 21. Bf1 Qc8 22. Rxa4 Bxa4 23. Qxa4 Ra8 24. Qc6 Nd7 25. Na4 Qd8 26. Bb5 Ne5 27. Nxe5 Bxe5 28. Nb6 Ra1+ 29. Kg2 Bd4 30. Nc4 Ra2 31. Be3 Bxe3 32. Nxe3 Qa8 33. Qxa8+ Rxa8 34. Bc6 Rb8 35. h4 Rb4 36. Kf3 Rb2 37. Nc4 Rc2 38. Bb5 Rc3+ 39. Ke2 Rb3 40. Bc6 Rb4 41. Nd2 Rb2 42. f4 Kg7 43. e5 Kf8 44. Ke3 Ra2 45. Nc4 dxe5 46. fxe5 Ra1 47. d6 exd6 48. exd6 Re1+ 49. Kd2 Rg1 50. Nb6 Rxg3 51. Nc8 Rg4 52. d7 Rd4+ 53. Ke3 Rd1 54. Kf4 Rd4+ 55. Ke5 Rd1 56. Nd6 Ke7 57. Nb7 f6+ 58. Kf4 Rf1+ 59. Kg3 Rd1 60. Kf4 Rf1+ 61. Ke4 Re1+ 62. Kd5 Rd1+ 63. Kc5 f5 64. Kb6 Rb1+ 65. Kc7 Rd1 66. d8Q+ Rxd8 67. Nxd8 f4 68. Bf3 Kf6 69. Kd6 h5 70. Ne6 Kf5 71. Kd5 Kf6 72. Nxf4 g5 73. hxg5+ Kxg5 74. Nxh5 Kg6 75. Ke5 Kh7 76. Kf6 Kh8 77. Kg6 Kg8 78. Ng3 Kh8 79. Nf5 Kg8 80. Nd6 Kh8 81. Nf7+ Kg8 82. Be4 Kf8 83. Kf6 Kg8 84. Bd3 Kf8 85. Bh7 Ke8 86. Ne5 Kf8 87. Nd7+ Ke8 88. Ke6 Kd8 89. Kd6 Ke8 90. Bg6+ Kd8 91. Bf7 Kc8 92. Nc5 Kb8 93. Kc6 Ka7 94. Be6 Kb8 95. Kb6 Ka8 96. Bf5 Kb8 97. Na6+ Ka8 98. Be4# 1-0

[Event "SVK-ch U14 rapid"]
[Site "Nitra"]
[Date "2021.09.11"]
[Round "2"]
[White "Straka, Simon"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1147"]
[BlackElo "1480"]
[PlyCount "200"]
[EventDate "2021.09.11"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 d6 7. b3 Nc6 8. d5 Na5 9. Bb2 e6 10. Nc3 exd5 11. cxd5 a6 12. e4 Nxe4 13. Nxe4 Bxb2 14. Rb1 Bg7 15. Qd2 Bf5 16. Bd3 Bxe4 17. Bxe4 Re8 18. Rfe1 b5 19. Bd3 Qd7 20. Qxa5 b4 21. Rxe8+ Qxe8 22. Qc7 Rd8 23. Re1 Qf8 24. Bxa6 Bc3 25. Re2 Ra8 26. Bb5 Qh6 27. h3 Qc1+ 28. Kh2 Qf4+ 29. g3 Qxf3 30. Qxd6 Bd4 31. Qf4 Qxd5 32. Bc4 Qd7 33. h4 Re8 34. Rxe8+ Qxe8 35. h5 Kg7 36. h6+ Kg8 37. Qf3 Qf8 38. Qf4 Qe8 39. Kg2 Qf8 40. g4 Qa8+ 41. Qf3 Qxf3+ 42. Kxf3 Kf8 43. Ke4 Ke7 44. f4 Bf2 45. f5 gxf5+ 46. gxf5 Kf6 47. Kf4 Be1 48. Ke4 Bd2 49. Kd5 Be3 50. Bd3 Kg5 51. Kd6 Kxh6 52. Ke7 Kg7 53. Bc4 f6 54. Bf7 Bd4 55. Bh5 Kh6 56. Bf7 Kg5 57. Ke6 h5 58. Be8 h4 59. Bc6 Kg4 60. Kd5 h3 61. Ke4 h2 62. Kd3 Kg3 63. Ke2 Kf4 64. Bg2 Kxf5 65. Kf3 Kg5 66. Bh1 f5 67. Kg3 Be5+ 68. Kf3 Kh4 69. Bg2 f4 70. Bh1 Kg5 71. Bg2 Kf6 72. Ke4 Ke6 73. Kd3 Kf5 74. Ke2 Kg4 75. Bf3+ Kg3 76. Bh1 Kg4 77. Bf3+ Kf5 78. Bh1 Ke6 79. Kd3 Bd4 80. Ke4 Be3 81. Kd3 Ke5 82. Bg2 f3 83. Bxf3 Kf4 84. Bh1 Bd4 85. Ke2 Bf6 86. Bg2 Ke5 87. Kd3 Bh4 88. Bh1 Kf4 89. Ke2 Kg3 90. Ke3 Bg5+ 91. Ke2 Bf6 92. Ke3 Bd4+ 93. Ke2 Kf4 94. Kd3 Bg1 95. Ke2 Ke5 96. Kd3 Bf2 97. Bg2 Kf4 98. Ke2 Kg3 99. Bh1 Bd4 100. Bd5 Be5 1/2-1/2

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.07.03"]
[Round "9"]
[White "Vargosko, Juraj"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1679"]
[BlackElo "1577"]
[PlyCount "79"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 0-0 6. Be2 d6 7. Bd2 Bg4 8. h3 Bxf3 9. Bxf3 Nc6 10. Ne2 Qb6 11. Bc3 Rac8 12. 0-0 Rfe8 13. a3 Na5 14. Bxa5 Qxa5 15. Qc2 Qc7 16. Rac1 cxd4 17. Nxd4 Nd7 18. Nb5 Qb6 19. b4 Ne5 20. Qe2 Nxf3+ 21. Qxf3 a6 22. Nd4 Rc7 23. Rfd1 Rec8 24. Qe2 Qa7 25. Nb3 b5 26. cxb5 Rxc1 27. Rxc1 Rxc1+ 28. Nxc1 axb5 29. Qxb5 Qxa3 30. Nd3 Bf6 31. Qc4 Qa7 32. b5 Qb6 33. Qc6 Qa5 34. b6 Be5 35. Nxe5 Qa1+ 36. Kh2 Qxe5+ 37. g3 d5 38. b7 Qb2 39. Kg2 Qb4 40. Qxd5 1-0

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.07.01"]
[Round "7"]
[White "Bulej, Matej"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1743"]
[BlackElo "1577"]
[PlyCount "87"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 e6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. 0-0 Nge7 10. Ng3 0-0 11. Nd2 Bd7 12. Nf3 f6 13. Bc2 e5 14. dxe5 fxe5 15. Re1 Bg4 16. Bxh7+ Kh8 17. Bd3 Qf6 18. Be2 e4 19. Nd4 Qxf2+ 20. Kh1 Bxe2 21. Rxe2 Qf6 22. Nxc6 bxc6 23. Kg1 Rab8 24. Qd2 Qf4 25. Qd4 Qc7 26. Kh1 Rf7 27. b3 Rbf8 28. Re3 Nf5 29. Nxf5 Rxf5 30. Kg1 Qf4 31. h3 Qf2+ 32. Kh1 Rg5 33. g4 Rf6 34. Rg1 Qxa2 35. Qb4 Rf2 36. Qb8+ Kh7 37. Qg3 Rg6 38. g5 Kg8 39. h4 Re6 40. h5 Re8 41. h6 Ref8 42. Qe5 R8f7 43. g6 R7f6 44. Qc7 1-0

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.30"]
[Round "6"]
[White "Koska, Jiri"]
[Black "Havalda, Samuel"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1577"]
[BlackElo "1513"]
[PlyCount "93"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d5 6. exd5 Nxd5 7. h3 0-0 8. Re1 Nb6 9. Bb3 a5 10. a3 Bc5 11. Be3 Bxe3 12. Rxe3 Nd5 13. Bxd5 Qxd5 14. Nc3 Qc5 15. Ng5 Qe7 16. Nge4 f5 17. Nd2 f4 18. Re1 Qg5 19. Nf3 Qf6 20. Nb5 Qe7 21. Qe2 Rf5 22. d4 Qf7 23. dxe5 Rh5 24. e6 Qe7 25. Nfd4 Rg5 26. Rad1 Ra6 27. Nxc7 Rb6 28. b3 Qxc7 29. e7 Nxe7 30. Qxe7 Qxe7 31. Rxe7 Bxh3 32. Ne6 Rxg2+ 33. Kh1 h6 34. Rd8+ Kh7 35. Nf8+ Kg8 36. Nd7+ Kh7 37. Nxb6 Rxf2 38. Rf8 Kg6 39. Nc4 Rxc2 40. Rxf4 Rc3 41. Re3 Rc2 42. Rxh3 Kg5 43. Rff3 Rc1+ 44. Kg2 Kg4 45. Ne5+ Kg5 46. Rhg3+ Kh5 47. Rf5+ 1-0

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.29"]
[Round "5"]
[White "Krupa, Andrej"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1268"]
[BlackElo "1577"]
[PlyCount "115"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 9. 0-0 e6 10. Bg5 Be7 11. Rac1 0-0 12. c4 Re8 13. Rfd1 Rc8 14. h3 h6 15. Bf4 Qb6 16. b3 Qb4 17. Ne2 Qa5 18. Nc3 Red8 19. Bd2 Qc7 20. Na4 b6 21. Nc3 Bb4 22. Nb1 Bxd2 23. Qxd2 Nc5 24. Qe2 Nce4 25. Nbd2 Nxd2 26. Rxd2 Qf4 27. Rcd1 Qe4 28. Qxe4 Nxe4 29. Rd3 Rc7 30. Ne5 Nf6 31. f3 b5 32. Rc3 bxc4 33. Rxc4 Nd5 34. Rdc1 Ne7 35. Nxc6 Nxc6 36. Rxc6 Rxc6 37. Rxc6 Rxd4 38. Rc8+ Kh7 39. Rc7 a5 40. Rc4 Rd5 41. Ra4 Kg6 42. Kh2 Kf5 43. Kg3 g5 44. b4 axb4 45. Rxb4 Ra5 46. a4 e5 47. h4 f6 48. hxg5 hxg5 49. Kf2 Rc5 50. Rb5 Rc3 51. a5 Ra3 52. g4+ Kg6 53. Kg3 Ra1 54. Rc5 Ra3 55. Kg2 Ra1 56. Rb5 Ra3 57. Kf2 Ra4 58. Kg3 1/2-1/2

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.28"]
[Round "4"]
[White "Koska, Jiri"]
[Black "Orgon, Jakub"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1577"]
[BlackElo "1596"]
[PlyCount "90"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. c4 Nf6 6. Nc3 0-0 7. b3 d5 8. cxd5 Nxd5 9. Bb2 Bf5 10. Qc1 Nxc3 11. Bxc3 Nd4 12. Bxd4 cxd4 13. d3 Rc8 14. Qd2 Rc3 15. Rac1 Qc7 16. Rxc3 dxc3 17. Qc2 Qa5 18. Rb1 Be6 19. a4 b5 20. axb5 Qxb5 21. d4 Rc8 22. e4 Bg4 23. Rd1 Bxf3 24. Bxf3 Qb4 25. e5 Rd8 26. Rd3 Rxd4 27. Qxc3 Qxc3 28. Rxc3 Bxe5 29. Rc5 Bd6 30. Rd5 Rb4 31. Rd3 Rb6 32. Bd5 Kg7 33. Kg2 Bb4 34. Bc4 a5 35. Re3 Rf6 36. Rf3 Rxf3 37. Kxf3 f5 38. h4 h5 39. Bb5 e5 40. Be8 Kf6 41. Bb5 Ke7 42. Bc4 Kf6 43. Bb5 e4+ 44. Ke2 Bc5 45. Be8 Bd6 1/2-1/2

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.28"]
[Round "3"]
[White "Malaschitz, Teodor"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1387"]
[BlackElo "1577"]
[PlyCount "67"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Qc7 6. b4 Qxe5 7. c3 a5 8. Nf3 Qc7 9. Bb5+ Bd7 10. Bxd7+ Nxd7 11. Nbd2 Ngf6 12. 0-0 Be7 13. a3 0-0 14. Nb3 axb4 15. cxb4 b6 16. cxb6 Nxb6 17. Rc1 Nc4 18. Na5 Rfc8 19. Qe2 Qd8 20. Nxc4 dxc4 21. Rfd1 Qe8 22. Rxc4 Rxa3 23. Rdc1 Rxc4 24. Qxc4 Nd5 25. Bc5 Qa8 26. h3 Ra1 27. Bxe7 Rxc1+ 28. Qxc1 Nxe7 29. Ne5 Nd5 30. Qb2 g6 31. b5 Qb8 32. Nc4 Qb7 33. Qb3 Nc7 34. Na3 1/2-1/2

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.27"]
[Round "2"]
[White "Koska, Jiri"]
[Black "Musaev, Matej Elbek"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1577"]
[BlackElo "1818"]
[PlyCount "120"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. a3 Bb7 9. Qd2 Nbd7 10. 0-0-0 Rc8 11. Kb1 Nb6 12. g4 b4 13. axb4 d5 14. g5 Nxe4 15. fxe4 Bxb4 16. Nb3 Bxc3 17. bxc3 e5 18. Bxb6 Qxb6 19. exd5 a5 20. Qd3 0-0 21. Qb5 Qg6 22. Bd3 e4 23. Be2 Ba8 24. Rhg1 Qd6 25. Qxa5 Qxh2 26. Bg4 Rb8 27. d6 e3 28. d7 Rfd8 29. Rge1 Qg2 30. Rxe3 Be4 31. Qa2 Qxg4 32. Rde1 Bc6 33. Re8+ Rxe8 34. Rxe8+ Rxe8 35. dxe8Q+ Bxe8 36. Qa8 Qa4 37. Qxa4 Bxa4 38. Nd4 Kf8 39. c4 Bd7 40. Kb2 Ke7 41. c5 h5 42. gxh6 gxh6 43. c6 Bc8 44. Kb3 Kd6 45. Kb4 h5 46. Kb5 h4 47. Nf3 h3 48. Kb6 f5 49. c4 f4 50. c7 Bg4 51. Nh2 Bc8 52. Nf3 Bd7 53. Kb7 Kc5 54. Kb8 Be6 55. c8Q+ Bxc8 56. Kxc8 Kxc4 57. Kd7 Kd3 58. Ke6 Ke3 59. Nh2 Kf2 60. Kf5 Kg2 0-1

[Event "SVK-ch U14"]
[Site "Stara Lubovna"]
[Date "2021.06.26"]
[Round "1"]
[White "Lanza, Matej"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1099"]
[BlackElo "1577"]
[PlyCount "108"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Bd3 0-0 7. 0-0 Nbd7 8. h3 Re8 9. Re1 a6 10. Qd2 c5 11. b3 cxd4 12. exd4 e6 13. Kh1 Nb8 14. Re2 Nc6 15. Rae1 Bd7 16. Ne5 Rc8 17. Nxc6 Bxc6 18. Kg1 Nd7 19. Be5 Nxe5 20. dxe5 Bd7 21. Na4 Bxa4 22. bxa4 Qb6 23. Qe3 Qxe3 24. Rxe3 Rc5 25. f3 Ra5 26. c3 Rxa4 27. R1e2 Rc8 28. Rc2 Bf8 29. Kh1 Ra3 30. Be2 d4 31. Rd3 Raxc3 32. Rdxc3 Rxc3 33. Rxc3 dxc3 34. Bd3 Bc5 35. Kh2 b5 36. f4 b4 37. Kg3 a5 38. Bc2 Kf8 39. Kf3 Ke7 40. Ke4 Kd7 41. Kd3 Kc6 42. Kc4 Bf2 43. g4 Bg3 44. f5 exf5 45. gxf5 Bxe5 46. fxg6 hxg6 47. Be4+ Kb6 48. Bc2 f5 49. Bd3 f4 50. Kb3 g5 51. Be2 Kc5 52. Kc2 Kd4 53. Bg4 Ke3 54. Kb3 f3 0-1

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.20"]
[Round "7"]
[White "Bochnickova, Andrea"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2139"]
[BlackElo "1577"]
[PlyCount "65"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Bg5 e6 7. Nf3 Bd6 8. Nbd2 Nge7 9. Bh4 0-0 10. Bg3 Bd7 11. Qe2 a6 12. Bxd6 Qxd6 13. h4 f6 14. 0-0-0 e5 15. dxe5 fxe5 16. Kb1 e4 17. Nxe4 dxe4 18. Bc4+ Nd5 19. Rxd5 Qb8 20. Rxd7+ Kh8 21. Qxe4 Rf4 22. Qd5 Qf8 23. Rd1 h6 24. Rxb7 Rd8 25. Rd7 Rxd7 26. Qxd7 Rxc4 27. Re1 Nb8 28. Qe6 Rf4 29. Re5 Kh7 30. h5 Qf6 31. Qd5 Nd7 32. Qd3+ Kh8 33. Qxd7 1-0

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.20"]
[Round "6"]
[White "Koska, Jiri"]
[Black "Bracok, Stefan"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1577"]
[BlackElo "1784"]
[PlyCount "143"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. c3 Nc6 6. cxd4 cxd4 7. Qa4 Bg4 8. Nexd4 Bd7 9. Nxc6 Bxc6 10. Bb5 Bxb5 11. Qxb5+ Qd7 12. Qxd7+ Kxd7 13. b3 f6 14. Bb2 e5 15. Rc1 Bd6 16. Ke2 Ne7 17. Rc3 Nc6 18. a3 a5 19. Rhc1 Rac8 20. R3c2 g5 21. Ke3 Ne7 22. d4 exd4+ 23. Nxd4 Bf4+ 24. Ke2 Bxc1 25. Rxc1 Rxc1 26. Bxc1 Rc8 27. Bb2 f5 28. Kd3 fxe4+ 29. Kxe4 Nc6 30. Nf3 g4 31. Ng5 h6 32. Nh7 Ke6 33. Nf6 Rf8 34. Nxg4 h5 35. Nf6 Rxf6 36. Bxf6 Kxf6 37. Kd5 Ke7 38. f4 Kd7 39. Kc5 Kc7 40. g3 Ne7 41. h3 b6+ 42. Kb5 Nf5 43. g4 Nd6+ 44. Ka6 h4 45. g5 Kc6 46. g6 Nf5 47. a4 Ng7 48. Ka7 Nf5 49. Ka6 Kc5 50. Kb7 b5 51. axb5 Kxb5 52. Kc7 Kb4 53. Kd7 Kxb3 54. Ke6 Nh6 55. f5 a4 56. f6 a3 57. f7 Nxf7 58. gxf7 a2 59. f8Q a1Q 60. Qb8+ Kc4 61. Qc7+ Kd3 62. Qh7+ Ke3 63. Qxh4 Qa6+ 64. Kf5 Qc8+ 65. Kg6 Qe8+ 66. Kg5 Qe7+ 67. Kh5 Qxh4+ 68. Kxh4 Kf4 69. Kh5 Kf5 70. Kh6 Kf6 71. h4 Kf7 72. Kh7 1/2-1/2

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.19"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Kuna, Patrik"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1577"]
[BlackElo "1891"]
[PlyCount "101"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. Bc4 Qc7 8. 0-0 Nf6 9. Bb3 0-0 10. Re1 d6 11. Bf4 Nh5 12. Bg5 h6 13. Bh4 Bb7 14. Rb1 e6 15. Ne2 d5 16. exd5 cxd5 17. Ng3 Nf6 18. Bxf6 Bxf6 19. c3 Rac8 20. Qg4 Bg7 21. Rbc1 Qb6 22. Rcd1 Rfd8 23. Bc2 Rc4 24. Qf3 Qxb2 25. Rb1 Qxc3 26. Re3 Qxc2 27. Rxb7 Rc7 28. Reb3 Qc6 29. Rxc7 Qxc7 30. h3 Rb8 31. Ne2 Rxb3 32. Qxb3 Qc4 33. Qxc4 dxc4 34. Kf1 Kf8 35. Ke1 Ke7 36. Kd2 Kd6 37. Kc2 Kc5 38. Ng3 f5 39. Ne2 Bd4 40. Nf4 Bxf2 41. Nxe6+ Kd6 42. Nf4 g5 43. Ne2 Kc5 44. Kc3 f4 45. Nc1 Be3 46. Ne2 h5 47. Kc2 g4 48. hxg4 hxg4 49. Nc3 f3 50. gxf3 gxf3 51. Ne4+ 0-1

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.19"]
[Round "4"]
[White "Mrkvik, Jan"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1909"]
[BlackElo "1577"]
[PlyCount "108"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d3 Nbd7 7. Nbd2 Re8 8. Rb1 e5 9. Qc2 Rb8 10. b4 b6 11. a4 Bb7 12. Rb3 e4 13. Nd4 exd3 14. exd3 Bxg2 15. Kxg2 Qc8 16. N2f3 Qb7 17. Qd1 Ne5 18. Bf4 Nxf3 19. Qxf3 Nh5 20. Nc6 Nxf4+ 21. gxf4 Kf8 22. Nxb8 Qxf3+ 23. Kxf3 Rxb8 24. Re1 c5 25. bxc5 dxc5 26. a5 Rd8 27. axb6 axb6 28. Re4 Rd6 29. Ra3 Rd8 30. Re2 Bf6 31. Rea2 Kg7 32. Ke2 Rd4 33. Ke3 Be7 34. Ra7 Bd6 35. Rb7 Bxf4+ 36. Ke2 Bxh2 37. Raa7 Rf4 38. Rxb6 Bg1 39. f3 Bd4 40. Rb1 h5 41. Rh1 h4 42. Re7 g5 43. Re4 Rf5 44. Rg4 Kh6 45. Re4 Kh5 46. Rg4 Rf6 47. Rh3 Ra6 48. Rg2 Ra2+ 49. Kf1 Ra1+ 50. Ke2 f5 51. Rgh2 Be5 52. Rh1 Ra2+ 53. Kf1 Bf4 54. Ke1 Rd2 0-1

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.18"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Antal, Jakub"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "1577"]
[BlackElo "1852"]
[PlyCount "73"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. Nf3 g6 6. c3 Bg7 7. Bc4 Nb6 8. Bb3 0-0 9. 0-0 Nc6 10. Re1 Qc7 11. Nbd2 e5 12. dxe5 dxe5 13. Ne4 Bg4 14. h3 Rad8 15. Qe2 Bf5 16. Bg5 Rc8 17. Rad1 Bxe4 18. Qxe4 Kh8 19. Qc2 f6 20. Bh4 Na5 21. Bg3 Qc6 22. Qe4 Qxe4 23. Rxe4 Nxb3 24. axb3 Rcd8 25. Ree1 Kg8 26. Kf1 Kf7 27. Ke2 Bh6 28. Rxd8 Rxd8 29. Rd1 Rc8 30. Nd2 Ke6 31. f3 f5 32. Bf2 Nd5 33. g3 b6 34. c4 Nb4 35. Nb1 Bf8 36. Nc3 Bd6 37. Nd5 1/2-1/2

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.18"]
[Round "2"]
[White "Papay, Aurel"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1011"]
[BlackElo "1577"]
[PlyCount "98"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. Be2 e6 5. Ne5 Bxe2 6. Qxe2 Bd6 7. Ng4 h5 8. Ne3 d4 9. Nb5 dxe3 10. Nxd6+ Qxd6 11. Qxe3 Nd7 12. 0-0 Qc5 13. Qxc5 Nxc5 14. d3 0-0-0 15. Rd1 b6 16. b4 Nxe4 17. Bb2 Nef6 18. Re1 Rd5 19. Rad1 b5 20. c4 bxc4 21. dxc4 Rxd1 22. Rxd1 Rh6 23. b5 Ne7 24. Ba3 Nfg8 25. Rd6 Kc7 26. Bb4 Rg6 27. a4 Rg5 28. h4 Rf5 29. Kf1 c5 30. Ra6 cxb4 31. Rxa7+ Kb8 32. Rd7 Rc5 33. b6 b3 34. Rd2 Rxc4 35. Rb2 Rxa4 36. Rxb3 Kb7 37. Ke2 Ra6 38. f4 Rxb6 39. Rxb6+ Kxb6 40. Kf3 Nh6 41. g3 Kc5 42. Ke4 Nef5 43. Kf3 Kd4 44. Kg2 Ke3 45. Kh3 Kf2 46. Kh2 Nd4 47. Kh3 Ne2 48. Kh2 Ng4+ 49. Kh3 Ng1# 0-1

[Event "Liptovsky Jan Slovak op U2200"]
[Site "Liptovsky Jan"]
[Date "2021.06.17"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Ihnat, Marek1111"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1577"]
[BlackElo "2059"]
[PlyCount "120"]
[EventDate "2021.06.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. Bc4 Qc7 8. 0-0 Nf6 9. Bb3 0-0 10. Re1 d6 11. Bf4 Ng4 12. Qd2 Qb6 13. h3 Ne5 14. Qe3 Qxe3 15. Rxe3 Rb8 16. Bxe5 Bxe5 17. Ne2 Ba6 18. c3 c5 19. Rb1 Rb6 20. Bd1 Rfb8 21. b3 Bb5 22. c4 Bxc4 23. Nc3 Ba6 24. Nd5 R6b7 25. Be2 c4 26. Rc1 e6 27. Nc3 Bf4 28. Bxc4 Bxc4 29. bxc4 Bxe3 30. fxe3 Rc8 31. Ne2 Rb2 32. Nd4 a6 33. a3 Ra2 34. Rc3 Kg7 35. Nc2 a5 36. Nd4 Kf6 37. Nb5 Ke5 38. Rd3 Rxc4 39. Nxd6 Rc7 40. Rd4 Rc1+ 41. Kh2 Kf6 42. e5+ Kxe5 43. Nxf7+ Kf6 44. Rf4+ Kg7 45. Ng5 Rc6 46. Rf7+ Kg8 47. Ra7 Rxa3 48. Ra8+ Kg7 49. Ra7+ Kf6 50. Nxh7+ Ke5 51. Rb7 Ra2 52. Ng5 Rcc2 53. Rb5+ Kf6 54. Ne4+ Kg7 55. Rg5 a4 56. h4 Kh6 57. Nd6 a3 58. Nf7+ Kg7 59. Ne5 Rxg2+ 60. Rxg2 Rxg2+ 0-1

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.04.11"]
[Round "6"]
[White "Jurky, Marian"]
[Black "Koska, Jiri"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1506"]
[BlackElo "1577"]
[PlyCount "165"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Bg7 6. e4 d6 7. f3 0-0 8. Be3 Nc6 9. Nxc6 bxc6 10. Be2 a5 11. 0-0 Rb8 12. b3 Be6 13. Qd2 Rb4 14. Bh6 Qb6+ 15. Be3 Qb7 16. Kh1 Rc8 17. Bh6 Bh8 18. Be3 Qd7 19. Rfd1 Rd8 20. Rac1 Rbb8 21. Na4 c5 22. Qxa5 Rb4 23. Bd2 Rb7 24. Be1 Ra7 25. Nxc5 Rxa5 26. Nxd7 Rxa2 27. Nxf6+ Bxf6 28. Bd3 Rb8 29. b4 Ra3 30. Bf1 Bb2 31. Rb1 Be5 32. Rd3 Ra7 33. Rdb3 Rc7 34. Rc1 Rbc8 35. b5 Rb7 36. Bf2 Bd7 37. c5 dxc5 38. Rxc5 Rxc5 39. Bxc5 e6 40. b6 Bc6 41. Ba6 Rd7 42. Rb1 Bb8 43. Kg1 Rd2 44. b7 Ba4 45. Bb5 Rd1+ 46. Rxd1 Bxd1 47. h3 f6 48. Kf2 Kf7 49. Ke3 e5 50. g3 Ke6 51. f4 exf4+ 52. gxf4 Bc2 53. Bd4 Bb1 54. e5 f5 55. Bc5 Be4 56. Bc4+ Kd7 57. e6+ Kc7 58. Bb5 Bc6 59. Bxc6 Kxc6 60. e7 Kd7 61. Kd4 h6 62. Kd5 g5 63. fxg5 hxg5 64. e8Q+ Kxe8 65. Bd6 Ba7 66. b8Q+ Bxb8 67. Bxb8 g4 68. h4 Kf7 69. Ke5 g3 70. Kxf5 g2 71. Bh2 Kg7 72. Kg4 Kh6 73. Kh3 Kh5 74. Kg3 Kg6 75. Kxg2 Kh5 76. Kh3 Kg6 77. Kg4 Kh6 78. Bf4+ Kg6 79. h5+ Kh7 80. Kg5 Kg7 81. h6+ Kh7 82. Be5 Kg8 83. Kg6 1-0

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.04.10"]
[Round "5"]
[White "Koska, Jiri"]
[Black "Budzak, Marcel"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1577"]
[BlackElo "1866"]
[PlyCount "127"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bc4 e5 5. Nf3 exd4 6. Nxd4 Be7 7. 0-0 0-0 8. Nf5 Ne5 9. Nxe7+ Qxe7 10. Bb3 h6 11. Re1 Re8 12. Nd5 Nxd5 13. Bxd5 Qh4 14. h3 c6 15. Bb3 Be6 16. Re3 Rad8 17. Rg3 Ng6 18. Re3 d5 19. exd5 Bxd5 20. Bxd5 cxd5 21. Rxe8+ Rxe8 22. Be3 Nf4 23. g3 Nxh3+ 24. Kg2 Nxf2 25. Bxf2 Qe4+ 26. Kg1 Re5 27. Qd3 Qb4 28. Qd4 Qxd4 29. Bxd4 Re2 30. Bxa7 Rxc2 31. Bd4 f6 32. Rd1 Kf7 33. Bc3 Ke6 34. Rd2 Rxd2 35. Bxd2 b5 36. b3 g5 37. a4 bxa4 38. bxa4 f5 39. Kf2 d4 40. Kf3 Kd5 41. a5 Kc6 42. Ke2 Kb5 43. Kd3 f4 44. gxf4 gxf4 45. Kxd4 h5 46. Ke4 h4 47. Kxf4 h3 48. Kg3 h2 49. Kxh2 Ka6 50. Kg3 Kb7 51. Be3 Ka6 52. Bb6 Kb7 53. Kf4 Ka6 54. Ke5 Kb7 55. Kd6 Ka8 56. Bd8 Kb7 57. Kc5 Ka6 58. Kc6 Ka7 59. Bb6+ Ka8 60. Bd4 Kb8 61. Kb6 Ka8 62. a6 Kb8 63. Be5+ Ka8 64. a7 1/2-1/2

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.04.04"]
[Round "4"]
[White "Madlenak, Matus"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1014"]
[BlackElo "1577"]
[PlyCount "110"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d4 Nc6 7. Nf3 e6 8. 0-0 Nge7 9. Bf4 Ng6 10. Be5 Ncxe5 11. dxe5 Qc7 12. Re1 Bb4 13. a3 Bxc3 14. bxc3 Qxc3 15. Rb1 b6 16. a4 Rc8 17. Qd3 0-0 18. Rb3 Qxc2 19. Qxc2 Rxc2 20. Nd4 Rc4 21. Rd3 a6 22. Rdd1 Rfc8 23. Ne2 Nxe5 24. Rc1 Nd3 25. Rxc4 Rxc4 26. Rb1 Rxa4 27. Nc3 Rb4 28. Ra1 a5 29. Na2 Ra4 30. h3 g6 31. h4 Nb4 32. Rc1 Rxa2 33. Rc8+ Kg7 34. Rc1 Nd3 35. Rd1 Nxf2 36. Rf1 Ne4 37. g4 b5 38. h5 b4 39. h6+ Kxh6 40. g5+ Nxg5 41. Kh1 f5 42. Rg1 Ne4 43. Rxg6+ hxg6 44. Kg1 Kg5 45. Kf1 Kf4 46. Ke1 Ke3 47. Kd1 Rh2 48. Kc1 Kd3 49. Kb1 Kc3 50. Ka1 Nd6 51. Kb1 Rc2 52. Ka1 Nb5 53. Kb1 g5 54. Ka1 Rc1+ 55. Ka2 b3# 0-1

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.04.03"]
[Round "3"]
[White "Koska, Jiri"]
[Black "Pekar, Karol"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1577"]
[BlackElo "2114"]
[PlyCount "118"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 dxe4 7. Bxe4 Nxe4 8. Nxe4 Qxd1+ 9. Kxd1 Be7 10. Ke2 Nc6 11. Bf4 0-0 12. Bd6 f5 13. Bxe7 fxe4 14. Bxf8 exf3+ 15. Kxf3 Kxf8 16. Rad1 Ke7 17. Rhe1 Bd7 18. Re4 Rf8+ 19. Ke2 Rf5 20. Rh4 h6 21. Rg4 g5 22. b3 Be8 23. f3 Bg6 24. Rd2 Rc5 25. b4 Rxc2 26. Rxc2 Bxc2 27. b5 Ne5 28. Rd4 a6 29. bxa6 bxa6 30. Kd2 Bf5 31. f4 Nc6 32. Rc4 Kd6 33. fxg5 hxg5 34. Ra4 a5 35. Ke3 Kd5 36. h3 e5 37. h4 gxh4 38. Rxh4 Nd4 39. g4 Bd7 40. Kd3 Nf3 41. Rh7 e4+ 42. Ke3 Ne5 43. g5 Nc4+ 44. Ke2 Bg4+ 45. Ke1 Bf5 46. Rf7 Ke5 47. Rc7 Kd4 48. Rc6 Ne5 49. Rf6 Nf3+ 50. Kf2 Ke5 51. Ra6 Nxg5 52. Rxa5+ Kf4 53. Rc5 e3+ 54. Ke1 Bd3 55. Rxg5 Kxg5 56. a4 Kf4 57. a5 Kf3 58. a6 Bxa6 59. Kd1 Kf2 0-1

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.03.28"]
[Round "2"]
[White "Kluska, David"]
[Black "Koska, Jiri"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1086"]
[BlackElo "1577"]
[PlyCount "46"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Nc6 6. Be3 Qb6 7. b3 Bf5 8. Ne2 Nb4 9. Na3 Nd3+ 10. Kd2 Qb4+ 11. Kc2 Nxf2+ 12. Qd3 Nxd3 13. Kd1 Qxa3 14. Bc1 Qb4 15. Bd2 Qb6 16. Ng3 Nf2+ 17. Ke1 Nxh1 18. Nxf5 e6 19. Ng3 Nxg3 20. hxg3 Qxd4 21. Rd1 Bc5 22. Bb5+ Kf8 23. b4 Qf2# 0-1

[Event "SVK League Cup 1st"]
[Site "Tornelo INT"]
[Date "2021.03.27"]
[Round "1"]
[White "Koska, Jiri"]
[Black "Rybka, Simon"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1577"]
[BlackElo "2185"]
[PlyCount "114"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SVK"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Nc3 Bg7 7. Bc4 d6 8. 0-0 Rb8 9. Re1 Qc7 10. Bb3 Nf6 11. Bf4 Nd7 12. Qf3 0-0 13. Qe3 Ne5 14. h3 Rd8 15. Bh6 Bh8 16. f4 Nd7 17. f5 Qb6 18. Kh1 Qxe3 19. Rxe3 Ne5 20. fxg6 hxg6 21. Bg5 Re8 22. Rf1 Ba6 23. Rf2 Bc4 24. Nb1 a5 25. Nd2 Ba6 26. Bf4 a4 27. Bxa4 Rxb2 28. Bb3 e6 29. Re1 c5 30. Bxe5 Bxe5 31. Nc4 Bxc4 32. Bxc4 Rb4 33. Bb3 Bg3 34. Rfe2 Bxe1 35. Rxe1 Ra8 36. Rd1 Ra6 37. Re1 Kg7 38. Kg1 Rc6 39. Kf2 c4 40. c3 Rb7 41. Ba4 Ra6 42. Bd1 Rxa2+ 43. Kf3 Rb1 44. Re2 Ra3 45. Rd2 Rxc3+ 46. Ke2 Rd3 47. Rxd3 cxd3+ 48. Kd2 Rb2+ 49. Kxd3 Rxg2 50. Bg4 f5 51. exf5 gxf5 52. Bd1 Rg3+ 53. Ke2 Rxh3 54. Ba4 Kf6 55. Bc6 Ra3 56. Bf3 Rxf3 57. Kxf3 Ke5 0-1

[Event "SVK-ch U14"]
[Site "Lubovna"]
[Date "2020.08.21"]
[Round "8"]
[White "Rajnicek, Adam"]
[Black "Koska, Jiri"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1457"]
[BlackElo "1531"]
[PlyCount "64"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 dxe4 7. Qxe4 Nf6 8. Qd3 Nbd7 9. Be2 Bd6 10. Bg5 h6 11. Bxf6 Nxf6 12. 0-0 0-0 13. Ne4 Bc7 14. Nxf6+ Qxf6 15. Qe4 Rfd8 16. c3 Rd7 17. Bc4 Rad8 18. Bb3 e5 19. dxe5 Qxe5 20. Qxe5 Bxe5 21. Rad1 Rd2 22. Rfe1 Bf6 23. Kf1 Rxd1 24. Rxd1 Rxd1+ 25. Bxd1 Kf8 26. Ke2 Ke7 27. Kd3 Be5 28. b3 g6 29. c4 c5 30. Bf3 b6 31. Bd5 f5 32. f3 Bd4 1/2-1/2

