[Event "POL-ch Universities"]
[Site "Lublin"]
[Date "2024.02.23"]
[Round "2"]
[White "Choina, Michal"]
[Black "Mis, Mieszko"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1914"]
[BlackElo "2325"]
[PlyCount "72"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 Qb6 6. Nf3 Bg4 7. Na4 Qc7 8. e5 Ne4 9. Bd3 Nxd2 10. Qxd2 Bxf3 11. gxf3 e6 12. Rg1 g6 13. b3 Bh6 14. Rg4 Nd7 15. Rh4 Bg7 16. Nc3 dxe5 17. fxe5 Nxe5 18. dxe5 Qxe5+ 19. Re4 Qxc3 20. Rd1 Qc5 21. Qf2 Qa5+ 22. Kf1 0-0-0 23. Ra4 Qb6 24. Qg3 Rd7 25. a3 Rhd8 26. Rb4 Qc7 27. Qh4 h5 28. Ra4 a6 29. Ke2 Rd4 30. Rxd4 Rxd4 31. Qf2 Qe5+ 32. Kf1 Qd6 33. Re1 Be5 34. Kg1 Rxd3 35. cxd3 Bd4 36. Re3 Qc5 0-1

[Event "POL-ch Universities"]
[Site "Bydgoszcz"]
[Date "2023.03.11"]
[Round "8"]
[White "Lewtak, Dominik"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2165"]
[BlackElo "1884"]
[PlyCount "37"]
[EventDate "2023.03.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. b3 c6 4. d4 g6 5. Bg2 Bg7 6. Bb2 Ne7 7. Nf3 0-0 8. 0-0 Nd7 9. Nbd2 Qc7 10. e4 f5 11. exd5 exd5 12. Ba3 Re8 13. Re1 Nf6 14. Ne5 Be6 15. Qc2 Bf7 16. Nxf7 Kxf7 17. Nf3 Ne4 18. Rad1 Qa5 19. Bf1 1/2-1/2

[Event "POL-ch Universities"]
[Site "Bydgoszcz"]
[Date "2023.03.10"]
[Round "3"]
[White "Choina, Michal"]
[Black "Brzezinski, Mateusz"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1884"]
[BlackElo "2185"]
[PlyCount "122"]
[EventDate "2023.03.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxf6+ gxf6 13. Qd3 Bb7 14. 0-0-0 d5 15. Qf3 Qb6 16. Bd3 f5 17. Qg3 dxe4 18. Be2 Qh6+ 19. Kb1 f4 20. Qg4 Bc8 21. Qh5 Qxh5 22. Bxh5 Rg8 23. g3 Bf5 24. Nc2 Rg5 25. Be2 Rg6 26. c4 bxc4 27. Bxc4 Rc8 28. b3 Rb6 29. Kc1 a5 30. a4 Be6 31. Bb5+ Kf8 32. Kb2 Nd5 33. Na3 Nc3 34. Rc1 Nxb5 35. Rxc8+ Bxc8 36. Nxb5 Bd7 37. Re1 Bxb5 38. axb5 f5 39. Kc3 Rxb5 40. Kc4 Rb4+ 41. Kc3 Kf7 42. Ra1 e3 43. Rxa5 exf2 44. Ra1 fxg3 45. hxg3 Rg4 46. Rf1 Rxg3+ 47. Kc4 Rg4+ 48. Kd5 Kf6 49. Rxf2 Rb4 50. Rf3 e4 51. Rh3 Kg5 52. Kc5 Rb8 53. b4 f4 54. Rxh7 e3 55. Re7 Kg4 56. b5 Kf3 57. b6 e2 58. Kc6 Kf2 59. Kc7 Rxb6 60. Kxb6 e1Q 61. Rxe1 Kxe1 0-1

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.07.01"]
[Round "7"]
[White "Choina, Michal"]
[Black "Ivsek, Cveto"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1927"]
[BlackElo "1766"]
[PlyCount "55"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qb6 6. Nb3 e6 7. Be3 Qc7 8. a3 Nf6 9. Nc3 Be7 10. Be2 0-0 11. f4 e5 12. f5 Na5 13. Nxa5 Qxa5 14. b4 Qc7 15. g4 h6 16. h4 Nh7 17. Nd5 Qd8 18. Nxe7+ Qxe7 19. Bc5 Qf6 20. Bxf8 Nxf8 21. Qd5 Qe7 22. c5 Nh7 23. Rd1 Nf6 24. Qd3 Ne8 25. Qe3 f6 26. a4 d6 27. cxd6 Nxd6 28. Qc5 1-0

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.30"]
[Round "6"]
[White "Brusokas, Eduardas"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "A36"]
[BlackElo "1927"]
[PlyCount "37"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 Nc6 4. g3 Be7 5. Bg2 d6 6. Nge2 Nf6 7. 0-0 h5 8. d4 a6 9. dxc5 dxc5 10. Qxd8+ Kxd8 11. Be3 Ng4 12. Rad1+ Ke8 13. Bc1 Nge5 14. b3 f6 15. f4 Nd7 16. Bh3 Kf7 17. f5 e5 18. Nd5 Bd8 19. g4 1/2-1/2

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.30"]
[Round "5"]
[White "Choina, Michal"]
[Black "Mouroutis, Konstantinos"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1927"]
[BlackElo "2133"]
[PlyCount "68"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[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. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h5 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Ne4 Ngf6 11. Nfg5 Nxe4 12. Nxe4 Nf6 13. Nxf6+ gxf6 14. Qe4 Rg8 15. Be3 Rg4 16. Qf3 f5 17. g3 Qa5+ 18. c3 Be7 19. a4 0-0-0 20. b4 Qc7 21. Bf4 Bd6 22. Bxd6 Qxd6 23. Rb1 f4 24. gxf4 f5 25. Rb2 Rdg8 26. Re2 a5 27. Qe3 Kd7 28. Rb2 axb4 29. Rxb4 Rxf4 30. f3 Rg3 31. Rf1 Kc7 32. a5 Re4 33. Qxe4 fxe4 34. fxe4 Rg7 0-1

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.29"]
[Round "4"]
[White "Nilsson, Erik"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2002"]
[BlackElo "1927"]
[PlyCount "44"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Nge2 0-0 6. Ng3 e5 7. d5 Ne8 8. Be2 f5 9. exf5 Bxf5 10. 0-0 Nd7 11. Be3 a6 12. Qd2 Ndf6 13. f3 Qd7 14. Bd3 Bxd3 15. Qxd3 Bh8 16. Bh6 Bg7 17. Be3 Bh8 18. Nce4 Nxe4 19. Nxe4 Bf6 20. Bh6 Bg7 21. Be3 Bf6 22. Bh6 Bg7 1/2-1/2

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.28"]
[Round "3"]
[White "Choina, Michal"]
[Black "Skaburskis, Martynas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1927"]
[PlyCount "69"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 c5 5. Nc3 Nf6 6. Nb5 Na6 7. Qe2+ Be6 8. Qe5 Be7 9. Nd6+ Bxd6 10. Qxd6 Qxd6 11. Bxd6 Nb4 12. Bd3 Nxd3+ 13. cxd3 cxd4 14. Be5 Nd7 15. Bxd4 0-0 16. Ne2 Rfe8 17. Kd2 b6 18. Rhc1 Rac8 19. b4 f6 20. f4 h5 21. a4 a5 22. bxa5 bxa5 23. Rxc8 Rxc8 24. Rb1 Nc5 25. Bxc5 Rxc5 26. Rb5 Rc8 27. Rxa5 Kf8 28. Ra7 g5 29. Nd4 Bf7 30. f5 Be8 31. a5 Ba4 32. a6 Bc6 33. Ke3 Ba8 34. Ne6+ Kg8 35. Kd4 1-0

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.28"]
[Round "2"]
[White "Onley, David E"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2083"]
[BlackElo "1927"]
[PlyCount "119"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Bc5 8. 0-0 d6 9. Nb3 Ba7 10. Qe2 h6 11. Be3 Bxe3 12. Qxe3 Ng4 13. Qe2 Ne5 14. Nd2 Nbc6 15. f4 Qb6+ 16. Kh1 Qxb2 17. Na4 Qb4 18. fxe5 Nxe5 19. Nb3 Qxa4 20. Rad1 Qc6 21. Rd4 Ke7 22. Rfd1 Rd8 23. Qh5 b6 24. Qh4+ f6 25. R4d2 Qe8 26. Qf4 Bb7 27. Nd4 g5 28. Qf1 Qg6 29. Re2 Rac8 30. Qe1 Rc4 31. Kg1 h5 32. h3 h4 33. g4 Qf7 34. Re3 Kf8 35. Bf1 Rcc8 36. Qb4 b5 37. a4 Nc4 38. Ree1 Rc5 39. axb5 a5 40. Qb3 Rdc8 41. Nc6 Bxc6 42. Bxc4 Bd7 43. Bd3 e5 44. Qa3 Qe8 45. b6 Rb8 46. Bc4 Rxc4 47. Qxd6+ Kf7 48. Rf1 Be6 49. Qxe5 Qe7 50. Qxb8 Qc5+ 51. Kh1 Qe3 52. Qb7+ Kg6 53. Rd3 Qxe4+ 54. Qxe4+ Rxe4 55. Rb1 Bc8 56. b7 Bxb7 57. Rxb7 Re1+ 58. Kg2 Re2+ 59. Kf3 Rxc2 60. Ra7 1-0

[Event "NATO-ch 32nd"]
[Site "Tartu"]
[Date "2022.06.27"]
[Round "1"]
[White "Choina, Michal"]
[Black "Taylor, Harry"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1927"]
[PlyCount "47"]
[EventDate "2022.06.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bd7 5. f4 e6 6. Nf3 c5 7. c3 Nc6 8. Be3 Qb6 9. Qd2 cxd4 10. cxd4 Na5 11. Nc3 Bb4 12. Rc1 Rc8 13. Rg1 Nc4 14. Bxc4 Rxc4 15. a3 Bxc3 16. Rxc3 Qc7 17. Rxc4 dxc4 18. d5 exd5 19. Qxd5 Bc6 20. Qxc4 Qa5+ 21. Kf2 a6 22. Rd1 Qa4 23. Qd3 Qa5 24. Qd6 1-0

[Event "POL-ch Academic"]
[Site "Chorzow"]
[Date "2021.05.15"]
[Round "7.20"]
[White "Adamczewski, Maciej"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2053"]
[BlackElo "2001"]
[PlyCount "75"]
[EventDate "2021.05.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d6 4. Nc3 Bg7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 e5 8. h3 Re8 9. d5 Ne7 10. e4 Nd7 11. Be3 f5 12. Ne1 Nf6 13. Kh2 Rf8 14. Nd3 fxe4 15. Nxe4 Bf5 16. Nxf6+ Bxf6 17. c5 b6 18. cxb6 axb6 19. Nb4 Bd7 20. Rc1 Nf5 21. Qc2 Ra7 22. a3 Bb5 23. Rfe1 Nxe3 24. fxe3 Bg5 25. Nc6 Bxc6 26. Qxc6 Rf2 27. Rc2 Qf6 28. Ree2 Rxe2 29. Rxe2 Kf8 30. Qc2 Ke7 31. Rf2 Qg7 32. Qc3 Qh6 33. Rf3 Qg7 34. h4 Bf6 35. Qc6 e4 36. Rf4 Bxb2 37. Bh3 Kd8 38. Rf8+ 1-0

[Event "POL-ch Academic"]
[Site "Chorzow"]
[Date "2021.05.14"]
[Round "2.1"]
[White "Choina, Michal"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2001"]
[BlackElo "2495"]
[PlyCount "112"]
[EventDate "2021.05.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Bb5 e6 7. 0-0 Qb6 8. Bxc6+ bxc6 9. Nbd2 cxd4 10. cxd4 Ne7 11. h3 Bh5 12. g4 Bg6 13. Qb3 Nc8 14. Qxb6 axb6 15. b3 Kd7 16. Bb2 h5 17. Kg2 Bb4 18. a3 Be7 19. Rfc1 Na7 20. a4 c5 21. Ba3 Rhc8 22. Ra2 hxg4 23. hxg4 Nc6 24. dxc5 bxc5 25. Bxc5 Nb4 26. Bxb4 Rxc1 27. Bxe7 Kxe7 28. b4 Rc2 29. Ra3 Rb2 30. Nb3 Be4 31. Kg3 f6 32. b5 Rxa4 33. Rxa4 Rxb3 34. Ra7+ Kd8 35. Rxg7 Rxf3+ 36. Kh4 fxe5 37. b6 Kc8 38. b7+ Kb8 39. Re7 Rf6 40. g5 Rf4+ 41. Kh5 Rxf2 42. Rxe6 Bf5 43. Re8+ Kxb7 44. Kh6 e4 45. g6 Bxg6 46. Kxg6 Kc6 47. Kg5 Kc5 48. Kg4 Rf3 49. Rc8+ Kd4 50. Ra8 Rf7 51. Ra4+ Ke5 52. Kg3 e3 53. Kg2 d4 54. Ra8 Ke4 55. Ra3 e2 56. Ra1 d3 0-1

[Event "EU-ch blitz"]
[Site "Katowice"]
[Date "2017.12.15"]
[Round "7"]
[White "Choina, Michal"]
[Black "Horton, Andrew P"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1906"]
[BlackElo "2397"]
[PlyCount "108"]
[EventDate "2017.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Bxd5 Qxd5 12. Qb3 Rd8 13. Rac1 Qxb3 14. Nxb3 Be6 15. Nc5 Bd5 16. Rc3 Bxf3 17. Rxf3 Nxd4 18. Re3 b6 19. Ne4 c5 20. Nc3 Re8 21. Rfe1 Rxe3 22. fxe3 Nc6 23. Rd1 Rd8 24. Rxd8+ Nxd8 25. Nb5 Nc6 26. Kf2 Kf8 27. a3 Ke7 28. Kf3 Ke6 29. Ke4 f5+ 30. Kd3 Ke5 31. Nc3 g5 32. Ne2 h5 33. g3 b5 34. Nc3 a6 35. a4 c4+ 36. Ke2 b4 37. Na2 a5 38. Nc1 Nb8 39. b3 c3 40. Nd3+ Kd5 41. Ne1 Nc6 42. Nf3 g4 43. Nh4 Ke4 44. Ng6 Ne5 45. Nf8 Nd3 46. Nd7 Nc1+ 47. Kd1 Nxb3 48. Kc2 Na1+ 49. Kb1 Kd3 50. Nc5+ Kc4 51. Nb7 Nb3 52. Kc2 Nc5 53. Nd8 b3+ 54. Kc1 c2 0-1

[Event "EU-ch blitz"]
[Site "Katowice"]
[Date "2017.12.15"]
[Round "8"]
[White "Horton, Andrew P"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2397"]
[BlackElo "1906"]
[PlyCount "57"]
[EventDate "2017.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nc3 e6 6. d4 cxd4 7. Nb5 d5 8. cxd5 Qa5+ 9. Bd2 Qxb5 10. dxc6 bxc6 11. 0-0 Ne7 12. a4 Qb6 13. a5 Qb5 14. Bg5 f6 15. Nxd4 Qxg5 16. Nxc6 Bb7 17. Qd6 Bxc6 18. Bxc6+ Kf7 19. Bxa8 Rxa8 20. Rac1 Qd5 21. Qa6 Rb8 22. Qxa7 Rxb2 23. Rc7 Bf8 24. e3 Ra2 25. Rc5 Qf3 26. Qd7 Qe4 27. Rb5 Kg8 28. Rb8 g5 29. Qxe7 1-0

[Event "POL-ch U18 rapid"]
[Site "Wroclaw"]
[Date "2017.08.08"]
[Round "6"]
[White "Szostko, Jakub"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2110"]
[BlackElo "1878"]
[PlyCount "110"]
[EventDate "2017.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be7 7. Nf3 Bg4 8. 0-0 a6 9. Bxc6+ bxc6 10. d3 Nf6 11. Re1 Bxf3 12. Qxf3 0-0 13. b3 Nd7 14. Na4 Bf6 15. Rb1 Qa5 16. Qd1 Rfe8 17. Bd2 Qc7 18. c4 Bd4+ 19. Kh1 Nf6 20. Qf3 Rad8 21. Rbd1 Qd7 22. f5 Rxe1+ 23. Bxe1 Re8 24. Bf2 Re5 25. Nxc5 Bxc5 26. Bxc5 Rxf5 27. Qe2 Qe6 28. Qxe6 fxe6 29. Bb6 Nd7 30. Bg1 Kf7 31. g3 Ke7 32. Kg2 Kd6 33. Be3 c5 34. d4 cxd4 35. Rxd4 Kc6 36. cxd5+ exd5 37. Rb4 Nc5 38. Rb8 Nb7 39. Rc8+ Kd7 40. Rg8 Rf7 41. Ra8 a5 42. Bb6 Re7 43. Kf2 Re8 44. Ra7 Kc6 45. Bxa5 d4 46. Ra6+ Kc5 47. Bd2 Nd6 48. Bb4+ Kxb4 49. Rxd6 Kc3 50. Rc6+ Kb2 51. Rc7 d3 52. Rxg7 d2 53. Rd7 Kc2 54. Rc7+ Kb2 55. Rd7 Kc2 1/2-1/2

[Event "POL-ch U18 rapid"]
[Site "Wroclaw"]
[Date "2017.08.07"]
[Round "8"]
[White "Walter, Szymon"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2078"]
[BlackElo "1878"]
[PlyCount "87"]
[EventDate "2017.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. d3 g6 8. 0-0 Bg7 9. e5 Ne7 10. Na4 Qa5 11. c4 Rb8 12. b3 Nf5 13. Bd2 Qc7 14. Qe1 Qa7 15. Qf2 d4 16. Ng5 Bf8 17. Ne4 Be7 18. g4 Ng7 19. Nf6+ Kf8 20. Ne4 h5 21. h3 Ne8 22. Bc1 hxg4 23. hxg4 f5 24. exf6 Nxf6 25. Qg2 Bd7 26. Ba3 Nxe4 27. Qxe4 Kf7 28. Kg2 Rh4 29. Qf3 Rbh8 30. Rh1 Bd6 31. Rxh4 Rxh4 32. Rh1 Rxh1 33. Kxh1 Qc7 34. Qh3 Bf8 35. Qh2 Qa5 36. Qe2 Bd6 37. Qf2 Kg7 38. Kg2 Bc8 39. Kf1 Qc7 40. Bxc5 Bxf4 41. Bb6 Qd6 42. Bc5 Qc7 43. Bxd4+ e5 44. Qxf4 1-0

[Event "POL-ch U18 rapid"]
[Site "Wroclaw"]
[Date "2017.08.06"]
[Round "4"]
[White "Tomczak, Mikolaj"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2372"]
[BlackElo "1878"]
[PlyCount "119"]
[EventDate "2017.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 b6 10. 0-0 Bxd2 11. Qxd2 Bb7 12. Qc3 d6 13. c5 bxc5 14. Bxe5 Qxe5 15. Qxe5+ dxe5 16. Rfc1 f6 17. Rxc5 c6 18. Bf3 Ke7 19. Rac1 Rac8 20. b4 Rhd8 21. g3 Rd2 22. a3 Ra2 23. R5c3 a6 24. R1c2 Rxc2 25. Rxc2 Kd6 26. Rc5 Kc7 27. Kf1 Rd8 28. Ke2 Kb6 29. Be4 h6 30. h4 Ra8 31. Ra5 Rc8 32. Kd2 Rc7 33. Rc5 Bc8 34. Kc3 Be6 35. f4 Bd5 36. Bd3 exf4 37. gxf4 Re7 38. Kd4 Rd7 39. Ra5 Ra7 40. e4 Be6 41. Ke3 Bc8 42. Be2 Rc7 43. Rc5 Ra7 44. Kd4 Rd7+ 45. Kc3 Ra7 46. Bf3 a5 47. Rxa5 Rxa5 48. bxa5+ Kxa5 49. e5 fxe5 50. fxe5 Kb5 51. h5 Kc5 52. a4 Bf5 53. Be2 g6 54. Bd3 Bxd3 55. Kxd3 gxh5 56. e6 Kd6 57. a5 h4 58. Ke3 h3 59. Kf2 h2 60. Kg2 1-0

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.20"]
[Round "9"]
[White "Belczewski, Jacek"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1945"]
[BlackElo "1792"]
[PlyCount "110"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. Qd5 f6 8. exf6 Bxc3+ 9. bxc3 Nxf6 10. Qd3 d6 11. g3 Ne4 12. Bg2 Nc5 13. Qe3 Qxe3 14. Bxe3 Na4 15. Bd4 0-0 16. Ng5 Ne7 17. Be4 h6 18. Bc2 Nb2 19. Bb3 hxg5 20. Rb1 Nxc4 21. Bxc4+ d5 22. Bd3 b6 23. Be3 g4 24. Bg5 Rf7 25. Kd2 Bf5 26. Bxe7 Bxd3 27. Kxd3 Rxe7 28. Rb4 Rae8 29. e3 Re4 30. Rd4 R8e5 31. Rd1 c5 32. Rxe4 Rxe4 33. Kc2 Re5 34. a4 Rh5 35. c4 dxc4 36. Kc3 Rxh2 37. Rf1 Rh5 38. Kxc4 Re5 39. Ra1 a6 40. Kd3 Kf7 41. Rb1 Re6 42. Rc1 Rc6 43. Rc4 b5 44. Rxg4 c4+ 45. Kc3 b4+ 46. Kc2 b3+ 47. Kc1 Kf6 48. a5 g6 49. Rd4 Ke5 50. Kb1 c3 51. Rb4 c2+ 52. Kc1 Rc3 53. g4 Rd3 54. Rc4 Rd1+ 55. Kb2 Rb1+ 0-1

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.19"]
[Round "8"]
[White "Choina, Michal"]
[Black "Slomczewski, Michal"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "1792"]
[BlackElo "1887"]
[PlyCount "75"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bc4 Bf5 7. Bf4 e6 8. Ne2 Nd7 9. Bd3 Bg6 10. h4 h5 11. Bxg6 fxg6 12. Qd3 Kf7 13. 0-0-0 Nb6 14. f3 Nd5 15. Bd2 b5 16. g4 Bd6 17. Rdg1 f5 18. gxh5 Rxh5 19. Bg5 Qc7 20. Kb1 Rah8 21. Rg2 Bf4 22. Nxf4 Nxf4 23. Bxf4 Qxf4 24. Rhg1 R8h6 25. Qc3 Qd6 26. Qa5 Qd7 27. Qe1 Qd8 28. c3 Rxh4 29. Qe5 Rh3 30. f4 Rh2 31. Rg3 Rf2 32. Qe3 Rhh2 33. Rxg6 Rxb2+ 34. Kc1 Rbc2+ 35. Kb1 Rb2+ 36. Kc1 Rbc2+ 37. Kb1 Rb2+ 38. Kc1 1/2-1/2

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.18"]
[Round "7"]
[White "Choina, Michal"]
[Black "Gumularz, Szymon"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1792"]
[BlackElo "2287"]
[PlyCount "98"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 a5 10. a4 Nb4 11. Qd2 Be6 12. Bf3 Qc7 13. Rac1 Qc6 14. Bg5 Rfd8 15. Rfd1 h6 16. Be3 Bc4 17. Nd5 Nfxd5 18. exd5 Qc7 19. Be4 Qd7 20. Nxa5 Rxa5 21. Qxb4 Rxa4 22. Qd2 Ba6 23. Bd3 f5 24. b3 Ra2 25. Ra1 Rxa1 26. Rxa1 Bxd3 27. Qxd3 Bf6 28. Ra7 Re8 29. Qa6 f4 30. Bd2 Qg4 31. f3 Qg6 32. Qxb7 e4 33. Ra8 exf3 34. Rxe8+ Kh7 35. Re2 fxe2 36. Kf2 Qe4 37. Qb5 f3 38. gxf3 Bh4+ 39. Kg2 e1N+ 40. Bxe1 Qxe1 41. Qd3+ g6 42. c4 Qf2+ 43. Kh3 Bf6 44. Qe4 Be5 45. f4 Qxf4 46. Qe2 g5 47. Qc2+ Kg7 48. Qe2 h5 49. Qxh5 Qxh2+ 0-1

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.17"]
[Round "6"]
[White "Janik, Igor"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2305"]
[BlackElo "1792"]
[PlyCount "105"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 Be7 8. 0-0 0-0 9. Be3 Nbd7 10. Qd2 Qc7 11. f3 Ne5 12. Rfc1 Bd7 13. b3 Rfc8 14. Bf1 h6 15. h3 Bf8 16. f4 Ng6 17. Qf2 e5 18. Nde2 exf4 19. Nxf4 Nxf4 20. Bxf4 Be7 21. Bd3 Qc5 22. Be3 Qe5 23. Bd4 Qg5 24. Qf3 b5 25. Rf1 Rf8 26. Rae1 Bc6 27. Nd5 Bxd5 28. exd5 Bd8 29. Qf2 bxc4 30. bxc4 Nd7 31. Re4 Bf6 32. Be3 Qh5 33. Be2 Qg6 34. Rg4 Qh7 35. Bd1 h5 36. Bc2 g6 37. Re4 Be5 38. c5 f5 39. Rc4 Nxc5 40. Bxc5 dxc5 41. Qxc5 Rfc8 42. Qxc8+ Rxc8 43. Rxc8+ Kg7 44. Re8 Bd6 45. Re6 Bc5+ 46. Kh1 Qg8 47. Rd1 Bb4 48. Bb3 Qf8 49. d6 Ba5 50. d7 Bd8 51. Rdd6 f4 52. Rxg6+ Kh7 53. Bc2 1-0

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.16"]
[Round "4"]
[White "Choina, Michal"]
[Black "Zaleski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1792"]
[BlackElo "2118"]
[PlyCount "65"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Bd6 5. Bxd6 Qxd6 6. c3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nd7 9. Nf3 Ne7 10. Nbd2 Qg6 11. Qxg6 hxg6 12. 0-0-0 f6 13. h4 Kf7 14. Rhe1 Nf5 15. g3 Nd6 16. Re2 Rae8 17. Rde1 Rxe2 18. Rxe2 Re8 19. Rxe8 Kxe8 20. Kd1 Kf7 21. Ne1 c6 22. Nd3 Nf8 23. Nf4 Ne6 24. Nxe6 Kxe6 25. Ke2 b6 26. f3 Nf5 27. Kf2 Kd6 28. Nf1 c5 29. Ne3 Ne7 30. Nc2 Nf5 31. Ne3 Ne7 32. Nc2 Nf5 33. Ne3 1/2-1/2

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.16"]
[Round "5"]
[White "Wyczling, Bartosz"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1959"]
[BlackElo "1792"]
[PlyCount "114"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Ng6 6. Be3 Bb4+ 7. Nc3 d6 8. Bd3 Bxc3+ 9. bxc3 Nc6 10. Nf3 Nh4 11. Nxh4 Qxh4+ 12. g3 Qg4 13. Qxg4 Bxg4 14. h3 Be6 15. c5 dxc5 16. Bb5 Bd7 17. Bxc5 0-0-0 18. Kf2 Rhe8 19. Rae1 a6 20. Bc4 Be6 21. Bxe6+ Rxe6 22. Re2 Rd3 23. Rc1 h5 24. h4 b6 25. f5 Re8 26. Ba3 Ne5 27. Rce1 Red8 28. Bc1 Rxc3 29. Bb2 Nd3+ 30. Kg1 Nxb2 31. Rxb2 Rxg3+ 32. Kf2 Rg4 33. Kf3 Rxh4 34. Rg2 Rd3+ 35. Ke2 Ra3 36. Rxg7 Rxe4+ 37. Kd1 Rxe1+ 38. Kxe1 Rxa2 39. Rxf7 h4 40. Rh7 Ra5 41. f6 Rf5 42. f7 Kd8 43. Kd2 h3 44. Rxh3 Rxf7 45. Kc3 Kc8 46. Kc4 Kb7 47. Rh4 b5+ 48. Kc5 Rf5+ 49. Kb4 Kb6 50. Rh6+ c6 51. Rh4 c5+ 52. Kb3 Rf3+ 53. Kb2 b4 54. Rh8 c4 55. Rh5 Rf2+ 56. Kc1 c3 57. Rh8 Ka5 0-1

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.15"]
[Round "3"]
[White "Lukasiewicz, Krzysztof"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2114"]
[BlackElo "1792"]
[PlyCount "120"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b6 7. Bg2 Bb7 8. 0-0 Nf6 9. Re1 d6 10. Nd5 exd5 11. exd5+ Kd8 12. Bg5 Nbd7 13. Qe2 Qc8 14. Nc6+ Kc7 15. Bh3 a5 16. b4 axb4 17. Bxf6 gxf6 18. Qc4 Bxc6 19. Qxc6+ Kd8 20. Bxd7 Qxc6 21. Bxc6 Ra3 22. Re8+ Kc7 23. Re4 f5 24. Rxb4 Bg7 25. Re1 Be5 26. Reb1 Rb8 27. Rh4 Rxa2 28. Rxh7 Rf8 29. Rb4 Rxc2 30. Ra4 Rc1+ 31. Kg2 Ra1 32. Rc4 Ra5 33. Be8+ Rc5 34. Rxc5+ dxc5 35. Bxf7 Rh8 36. Rxh8 Bxh8 37. Be6 Kd6 38. Kf3 b5 39. Ke2 c4 40. Bxf5 Kxd5 41. Kd2 b4 42. Kc1 b3 43. Bg6 Kc5 44. Bh5 Bd4 45. f4 Bg1 46. h3 Bh2 47. f5 Bxg3 48. f6 Bf4+ 49. Kb1 c3 50. Bd1 Kb4 51. h4 Bh6 52. h5 Ka3 53. f7 Kb4 54. Ka1 Ka3 55. Kb1 Ka4 56. f8Q Bxf8 57. h6 Bxh6 58. Ka1 c2 59. Bxc2 bxc2 60. Ka2 Kb4 0-1

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.14"]
[Round "2"]
[White "Choina, Michal"]
[Black "Chylewski, Patryk"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1792"]
[BlackElo "2087"]
[PlyCount "46"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Be7 9. 0-0 0-0 10. f4 d6 11. Qe1 Nxd4 12. Bxd4 e5 13. fxe5 dxe5 14. Qg3 Bc5 15. Bxc5 Qxc5+ 16. Kh1 Kh8 17. Rxf6 gxf6 18. Qh4 Qc6 19. Nd5 Kg7 20. Qg3+ Kh8 21. Qh4 Kg7 22. Qg3+ Kh8 23. Qh4 Kg7 1/2-1/2

[Event "POL-ch U16"]
[Site "Szklarska Poreba"]
[Date "2016.03.13"]
[Round "1"]
[White "Drozdowski, Konrad"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "2037"]
[BlackElo "1792"]
[PlyCount "78"]
[EventDate "2016.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nc6 8. Bd3 Be7 9. 0-0 Bg4 10. Qe1 0-0 11. Kh1 Kh8 12. Be3 Bxf3 13. Rxf3 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 16. Bg1 exf4 17. Rxf4 Bf6 18. Rxf6 gxf6 19. Qh4 f5 20. Qf6+ Kg8 21. Bxf5 Qe5 22. Qg5+ Qg7 23. Qh5 Rfe8 24. Rf1 Kh8 25. Rf4 f6 26. Rh4 Re5 27. Qf3 h6 28. Qf4 Ne7 29. Rxh6+ Kg8 30. Rh7 Qg5 31. Qc4+ Nd5 32. Bd3 Rae8 33. Rh3 Qf4 34. Bh7+ Kg7 35. Qd3 Rg5 36. c4 Qg4 37. Qd2 Re2 38. Qxd5 Rxd5 39. Rg3 Qxg3 0-1

[Event "POL-chT3 Swietokrzyskie"]
[Site "Poland"]
[Date "2015.03.29"]
[Round "3.2"]
[White "Grudniewski, Jakub"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1678"]
[PlyCount "110"]
[EventDate "2015.03.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Bg5 Bb4 8. Nde2 d6 9. f4 Ng4 10. Qd2 Bc5 11. f5 h6 12. Bf4 Bf2+ 13. Kf1 Ba7 14. Nd1 Nd7 15. h3 Nge5 16. Be3 Bxe3 17. Nxe3 b6 18. Nf4 0-0 19. Kg1 Nf6 20. Rf1 Re8 21. Qb4 a5 22. Qe1 Bb7 23. Nd1 exf5 24. Nc3 fxe4 25. Be2 d5 26. Nb5 Qc5+ 27. Kh2 Ba6 28. a4 Re7 29. b3 Qe3 30. Qh4 Kh7 31. Rd1 g5 32. Qg3 Qxf4 33. Qxf4 gxf4 34. Rhf1 Ng6 35. h4 h5 36. Rde1 Bxb5 37. axb5 Rae8 38. Kh3 Kg7 39. Rd1 Re5 40. Rf2 Ng4 41. Bxg4 hxg4+ 42. Kxg4 Rh8 43. Rh1 Reh5 44. g3 fxg3 45. Kxg3 Rxh4 46. Rxh4 Rxh4 47. Rf5 Rh1 48. Rxd5 Rg1+ 49. Kf2 Rg2+ 50. Ke3 Rxc2 51. Kxe4 a4 52. Rd4 a3 53. Ra4 a2 54. Kd4 Nf4 55. Ke3 Ne6 0-1

[Event "POL-chT3 Swietokrzyskie"]
[Site "Poland"]
[Date "2015.03.28"]
[Round "2.10"]
[White "Choina, Michal"]
[Black "Harazinska, Ewa"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1678"]
[BlackElo "2143"]
[PlyCount "119"]
[EventDate "2015.03.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Qd2 Nxe3 8. Qxe3 e6 9. Nf3 Be7 10. Rd1 b5 11. a4 b4 12. Na2 Qc7 13. Nxb4 a5 14. Na2 Bd7 15. Nc3 Na6 16. Bxa6 Rxa6 17. Nd4 0-0 18. Qd3 Rb6 19. Ndb5 Qc5 20. Qd4 Qxd4 21. Rxd4 Rd8 22. 0-0 Bf6 23. Rxd6 Rxd6 24. Nxd6 Bxc3 25. bxc3 Bxa4 26. Nb7 Rc8 27. Nxa5 Rxc3 28. Rc1 Kf8 29. f3 Ke7 30. Ra1 Bxc2 31. Rc1 Kd6 32. Nb3 Rc7 33. Nd4 Ba4 34. Rxc7 Kxc7 35. Kf2 Kd6 36. Ke3 g5 37. g4 Ke5 38. Ne2 h6 39. Ng3 Bb5 40. Nh5 Bf1 41. Ng3 Bc4 42. Nh5 f6 43. Ng7 Bb5 44. Nh5 Be8 45. Ng3 Bg6 46. Nf1 h5 47. gxh5 Bxh5 48. Nd2 f5 49. Nc4+ Kf6 50. e5+ Ke7 51. f4 g4 52. Nd6 Kd7 53. Kf2 Kc6 54. Kg3 Kd5 55. Kh4 g3 56. Kxg3 Kd4 57. Kh4 Be2 58. Kg5 Ke3 59. h4 Bf3 60. Ne8 1-0

[Event "POL-chT3 Swietokrzyskie"]
[Site "Poland"]
[Date "2015.03.28"]
[Round "1.6"]
[White "Detka, Wojciech"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1565"]
[BlackElo "1678"]
[PlyCount "123"]
[EventDate "2015.03.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 Nc6 5. 0-0 e6 6. a3 Bd6 7. Nc3 a6 8. Re1 h6 9. Nh4 Bh7 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Bxe4 13. Rxe4 0-0 14. c3 Ne7 15. Qh5 Nd5 16. Re1 b5 17. Bd2 Re8 18. Qg4 Nf6 19. Qf3 Nh7 20. Re2 Be7 21. Ng2 Bg5 22. Bf4 Bxf4 23. Nxf4 Qd6 24. Rae1 c6 25. h4 Nf6 26. Nd3 Qd5 27. Qe3 Nd7 28. Nb4 Qd6 29. Nd3 a5 30. Qf3 Nf6 31. Ne5 Rec8 32. Nd3 Qd5 33. Qe3 Nd7 34. Nf4 Qd6 35. Nd3 c5 36. dxc5 Nxc5 37. Nxc5 Qxc5 38. Qf3 Rd8 39. Rd2 Rxd2 40. Qxa8+ Kh7 41. Qe4+ g6 42. Qf4 Rd7 43. Qf3 Qd5 44. Kg2 Kg7 45. Qxd5 Rxd5 46. Kf3 Kf6 47. Re4 Rd2 48. Re2 Rxe2 49. Kxe2 Ke5 50. Kd3 Kd5 51. b3 e5 52. f3 f5 53. g4 fxg4 54. c4+ bxc4+ 55. bxc4+ Kc5 56. fxg4 g5 57. hxg5 hxg5 58. Ke4 Kxc4 59. Kxe5 Kb3 60. Kf5 Kxa3 61. Kxg5 Kb4 62. Kh6 1/2-1/2

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.22"]
[Round "9"]
[White "Rzeszowski, Dominik"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1780"]
[BlackElo "1678"]
[PlyCount "102"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 d6 6. f4 Bg7 7. Nf3 Qb6 8. 0-0 a6 9. h3 Nge7 10. Kh2 h5 11. Qe2 Bd7 12. Nd1 f5 13. c3 0-0-0 14. Ne3 Qc7 15. Bd2 Bf6 16. Rab1 e5 17. b4 h4 18. gxh4 fxe4 19. dxe4 exf4 20. Nd5 Nxd5 21. exd5 Rde8 22. Qf2 Ne5 23. Bxf4 Nxf3+ 24. Qxf3 Bf5 25. Rbe1 Bxh4 26. Rxe8+ Rxe8 27. Bg3 Bf6 28. Qf4 Bxc3 29. bxc5 Be5 30. cxd6 Bxf4 31. dxc7 Bxg3+ 32. Kxg3 Kxc7 33. Rc1+ Kd6 34. Rf1 Re3+ 35. Rf3 Rxf3+ 36. Bxf3 b5 37. h4 b4 38. Kf4 Bb1 39. Be2 a5 40. Bc4 a4 41. Ke3 Bxa2 42. Bxa2 b3 43. Bxb3 axb3 44. Kd3 Kxd5 45. Kc3 Ke4 46. Kxb3 Kf4 47. Kc3 Kg4 48. Kd3 Kxh4 49. Ke2 Kg3 50. Kf1 g5 51. Kg1 g4 0-1

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.20"]
[Round "7"]
[White "Oleszek, Maciej"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1788"]
[BlackElo "1678"]
[PlyCount "34"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. Qd2 e6 5. f3 Bb4 6. 0-0-0 Nbd7 7. e3 c6 8. g4 Bg6 9. Bd3 b5 10. Nge2 Qa5 11. Kb1 Be7 12. Bxf6 gxf6 13. Ng3 Bb4 14. Nge2 Be7 15. Ng3 Bb4 16. Nge2 Be7 17. Ng3 Bb4 1/2-1/2

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.19"]
[Round "6"]
[White "Choina, Michal"]
[Black "Klementowski, Dawid"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1678"]
[BlackElo "1805"]
[PlyCount "82"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. 0-0 0-0 9. Rb1 Rb8 10. a3 a5 11. Be3 e5 12. Qd2 f5 13. f3 Be6 14. Bh6 Qd7 15. Bxg7 Kxg7 16. Nd5 b5 17. b3 b4 18. a4 Bxd5 19. cxd5 Nd4 20. Nxd4 cxd4 21. Rbc1 Rbc8 22. Rc4 Rxc4 23. dxc4 fxe4 24. fxe4 Rxf1+ 25. Kxf1 Ng8 26. Qc2 Qc8 27. Bf3 Nf6 28. Kg2 Qc7 29. h4 Nd7 30. Bd1 Nc5 31. Qe2 Qd7 32. g4 h6 33. Qf3 Qd8 34. Kg3 Qe7 35. Kh3 g5 36. h5 Qf6 37. Kg3 Qf4+ 38. Kg2 Nxe4 39. Qxf4 gxf4 40. Bc2 Nc5 41. Kf3 Kf6 0-1

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.18"]
[Round "5"]
[White "Choina, Michal"]
[Black "Pasieka, Marcin"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1678"]
[BlackElo "1683"]
[PlyCount "47"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Nc3 Nxc3 9. bxc3 Bg4 10. h3 Bh5 11. Rb1 Rb8 12. Re1 0-0 13. Bf4 Bd6 14. Bg3 Bxg3 15. fxg3 Re8 16. g4 Bg6 17. Bxg6 hxg6 18. Qd2 Rxe1+ 19. Rxe1 Qd7 20. Qf4 Qd6 21. Qe3 Qd7 22. Qf4 Qd6 23. Qe3 Qd7 24. Qf4 1/2-1/2

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.17"]
[Round "3"]
[White "Choina, Michal"]
[Black "Bilczewski, Kacper"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1678"]
[BlackElo "1890"]
[PlyCount "89"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. h4 d5 4. e5 Bg7 5. h5 Qa5+ 6. c3 Nh6 7. a4 c5 8. dxc5 Qxc5 9. b4 Qc7 10. Qxd5 Be6 11. Bb5+ Nc6 12. Bxc6+ bxc6 13. Qd3 Qxe5+ 14. Qe2 Ng4 15. Qxe5 Nxe5 16. Be3 Nd3+ 17. Kf1 Nxb4 18. a5 Nc2 19. Ra4 Rb8 20. Nd2 Nxe3+ 21. fxe3 Bxc3 22. Ne4 Bg7 23. Nc5 Bd5 24. Na6 Rb1+ 25. Kf2 0-0 26. Rb4 Rxb4 27. Nxb4 Bc3 28. Nxd5 cxd5 29. a6 Rb8 30. h6 Rb1 31. Rh3 Ra1 32. Ne2 Be5 33. Rh4 Rxa6 34. Rb4 f5 35. Rb5 Rd6 36. Rb7 Kf7 37. Rxa7 g5 38. Ra5 Kg6 39. Nd4 Bxd4 40. exd4 Kxh6 41. Ra7 e6 42. g3 Kg6 43. Ra8 Kh5 44. Kf3 Rb6 45. Ra3 0-1

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.17"]
[Round "4"]
[White "Wacior, Maciej"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1997"]
[BlackElo "1678"]
[PlyCount "96"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. h3 Bg7 5. e3 Nbd7 6. Be2 e6 7. 0-0 b6 8. c4 a5 9. Nc3 Bb7 10. Rc1 0-0 11. a3 Re8 12. Bh2 Ne4 13. Nb5 Bf8 14. Bd3 f5 15. Ne1 Nef6 16. b4 e5 17. c5 bxc5 18. bxc5 dxc5 19. Bc4+ Kh8 20. dxe5 Nxe5 21. Bxe5 Rxe5 22. Qxd8 Rxd8 23. Nxc7 Bd6 24. Ne6 Re8 25. Ng5 Bd5 26. Bxd5 Rxd5 27. Nf7+ Kg8 28. Nxd6 Rxd6 29. Nf3 Ne4 30. Rc4 Rc8 31. Rfc1 Rcd8 32. g4 Kh8 33. Kg2 Re6 34. Ra4 Ra8 35. Rc2 h6 36. Nh4 fxg4 37. hxg4 Kg7 38. Rcc4 Rae8 39. Rxa5 Rf6 40. Ra7+ Kg8 41. f3 Nd6 42. Rxc5 Rxe3 43. Rcc7 Nf7 44. Nxg6 Rexf3 45. Ne7+ Kf8 46. Ra8+ Kg7 47. Nf5+ R3xf5 48. gxf5 Rxf5 1-0

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.16"]
[Round "2"]
[White "Kaminski, Piotr1111"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1887"]
[BlackElo "1678"]
[PlyCount "112"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 Be7 9. Nc3 0-0 10. Be3 Bd7 11. Rac1 Nc6 12. f4 Rfc8 13. Nxc6 Bxc6 14. g4 Nd7 15. g5 Nc5 16. Bb1 b6 17. Qh5 g6 18. Qg4 Bb7 19. f5 gxf5 20. exf5 Qc6 21. Qh3 h6 22. f6 Bf8 23. Kf2 Nd7 24. Rg1 Ne5 25. gxh6+ Kh8 26. Nd5 Ng6 27. Bxg6 fxg6 28. Qxe6 Qe8 29. Qxe8 Rxe8 30. Nc7 Rxe3 31. Kxe3 Rc8 32. Rxg6 Rxc7 33. Rcg1 Kh7 34. b3 Bxh6+ 35. Kd4 Rf7 36. h4 Bf3 37. R6g3 Rxf6 38. Rf1 Bg7 39. Kd3 Be4+ 40. Ke2 Re6 41. Kd1 Bg6 42. Rg2 Bh6 43. Rh2 Bh5+ 44. Kc2 Bg7 45. Rg2 Re4 46. Rh2 a5 47. a4 Re3 48. Rg2 Rc3+ 49. Kd2 Rxb3 50. Rfg1 Bd4 51. Rc1 Bg6 52. Kd1 Bb2 53. Rcc2 Bxc2+ 54. Rxc2 Bd4 55. Kd2 Rb2 56. Rxb2 Bxb2 0-1

[Event "POL-ch U16"]
[Site "Karpacz"]
[Date "2015.03.15"]
[Round "1"]
[White "Choina, Michal"]
[Black "Klepek, Witold"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1678"]
[BlackElo "1931"]
[PlyCount "114"]
[EventDate "2015.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 e5 8. 0-0 Be7 9. Nc3 d6 10. Kh1 0-0 11. Qe2 Be6 12. b3 Qc7 13. f4 exf4 14. Bxf4 Ng4 15. h3 Ne5 16. Bxe5 dxe5 17. Nd1 Rfd8 18. Ne3 Rd7 19. Rad1 Rad8 20. Bb1 Rd4 21. Nc2 Rxd1 22. Rxd1 Rxd1+ 23. Qxd1 Qd7 24. Qxd7 Bxd7 25. Ne1 Bc5 26. Nf3 f6 27. Kh2 Kf7 28. Kg3 Ke6 29. Bd3 g6 30. Nh4 Be3 31. Kf3 Bg5 32. Kg3 a5 33. Nf3 Be3 34. Ne1 f5 35. Kf3 Bc5 36. Nc2 f4 37. g3 fxg3 38. Kxg3 Kf6 39. Ne1 Be3 40. Nc2 Bd2 41. a3 c5 42. a4 h5 43. h4 Bg4 44. Na3 Be1+ 45. Kg2 Bxh4 46. Bc2 Bg5 47. Nb5 Bf4 48. Nc3 h4 49. Bd1 h3+ 50. Kh1 Bxd1 51. Nxd1 Kg5 52. Nf2 Kh4 53. Nd3 g5 54. b4 g4 55. bxc5 g3 56. c6 g2+ 57. Kg1 Kg3 0-1

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "7.7"]
[White "Choina, Michal"]
[Black "Drozdowski, Konrad"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1627"]
[BlackElo "1967"]
[PlyCount "136"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Bg5 Be7 8. Nd2 d6 9. c3 Nbd7 10. Qe2 b6 11. Kh1 Bb7 12. f3 0-0 13. Bxf6 Bxf6 14. N2b3 Rfd8 15. Rad1 g6 16. Bb1 Bg7 17. Nc2 Ne5 18. Ne3 Rac8 19. Rfe1 b5 20. Nd4 Nd7 21. Nb3 Nb6 22. Qc2 d5 23. exd5 Nxd5 24. Nd2 Qb6 25. Ndf1 Rd7 26. Nxd5 Bxd5 27. Qe2 Rcd8 28. Ne3 Bc6 29. Rxd7 Rxd7 30. Bc2 a5 31. Rd1 Rxd1+ 32. Nxd1 b4 33. cxb4 Qxb4 34. Bd3 Bd5 35. b3 Bd4 36. h3 Bc5 37. Qf1 Qd4 38. Kh2 Qf4+ 39. Kh1 Bd6 40. Kg1 Qh2+ 41. Kf2 Bc5+ 42. Ke2 Qe5+ 43. Kd2 Bb4+ 44. Kc2 Qa1 45. Nb2 Qxa2 46. Bc4 Bxc4 47. Qxc4 Qa1 48. Nd3 Qf1 49. Nxb4 Qxg2+ 50. Kc1 axb4 51. Qxb4 Qxf3 52. Qb8+ Kg7 53. b4 Qc3+ 54. Kd1 e5 55. b5 e4 56. b6 e3 57. Qd6 Qb2 58. Qd8 h5 59. h4 Qf2 60. Qd4+ Kh7 61. Qd3 e2+ 62. Qxe2 Qxb6 63. Qe7 Qb3+ 64. Kc1 Qc3+ 65. Kd1 Kg7 66. Qd8 Qf6 67. Qc7 Qxh4 68. Ke2 Qf6 0-1

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "2.18"]
[White "Choina, Michal"]
[Black "Mendak, Mateusz"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1627"]
[BlackElo "1575"]
[PlyCount "84"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. Qd2 Nf6 8. f3 d6 9. Bd3 Be7 10. a3 Ne5 11. Qe2 b5 12. 0-0 0-0 13. Rac1 Bb7 14. Rfd1 Rac8 15. a4 b4 16. Na2 d5 17. exd5 Nxd5 18. Bf2 Bg5 19. Rb1 Nf4 20. Qf1 Nexd3 21. cxd3 e5 22. Ne2 a5 23. Nxf4 Bxf4 24. Qe2 Bd5 25. Nc1 Qc2 26. Qxc2 Rxc2 27. Kf1 Rfc8 28. Ne2 Bh6 29. Bb6 Ba2 30. Ra1 Rxb2 31. Bxa5 Rcc2 32. Re1 g6 33. Bb6 Bd2 34. Red1 Bc3 35. Nxc3 bxc3 36. Be3 Rxg2 37. Rac1 Bb3 38. Re1 Rxh2 39. Rxc3 Bxa4 40. Rec1 Bd7 41. Kg1 Bh3 42. d4 Rbg2+ 0-1

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "8.13"]
[White "Choina, Michal"]
[Black "Poplawski, Maciej"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1627"]
[BlackElo "1591"]
[PlyCount "81"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Qe7 8. Qxe7+ Kxe7 9. Ne2 Be6 10. Bxe6 fxe6 11. 0-0 Nd7 12. Re1 Kf7 13. Bf4 Bxf4 14. Nxf4 e5 15. dxe5 Nxe5 16. Rad1 Rad8 17. b3 Rhe8 18. f3 g5 19. Nh3 Ng6 20. Nf2 Rxe1+ 21. Rxe1 Rd2 22. Ne4 Rd8 23. Re2 h6 24. Rd2 Rxd2 25. Nxd2 Ke6 26. Kf2 f5 27. g3 Ne5 28. Ke3 c5 29. a4 b6 30. h3 Nc6 31. c3 h5 32. f4 g4 33. h4 a6 34. c4 Nd4 35. Kd3 Kd6 36. b4 a5 37. b5 Ne6 38. Nb1 Nc7 39. Nc3 Ke6 40. Ke3 Kd6 41. Kf2 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "4.18"]
[White "Choina, Michal"]
[Black "Rak, Maciej"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1627"]
[BlackElo "1395"]
[PlyCount "65"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Nc3 b5 8. a3 Bb7 9. Re1 d6 10. Be3 Be7 11. f4 Nbd7 12. Bf2 0-0 13. g4 g6 14. f5 e5 15. Nb3 d5 16. g5 Nxe4 17. Bxe4 dxe4 18. f6 Bxf6 19. gxf6 Nxf6 20. Nc5 Rad8 21. Qe2 Rde8 22. Nxb7 Qxb7 23. Bc5 Nh5 24. Bxf8 Kxf8 25. Qxe4 Qxe4 26. Nxe4 f5 27. Nc5 e4 28. Rad1 Nf4 29. Re3 a5 30. h4 b4 31. axb4 axb4 32. Rf1 Nh5 33. Rxe4 1-0

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "3.20"]
[White "Holownia, Michal"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1576"]
[BlackElo "1627"]
[PlyCount "102"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Bc5 8. Nb3 Be7 9. Kh1 d6 10. f4 Nbd7 11. Qf3 b5 12. Bd2 Bb7 13. Rae1 h6 14. Qf2 0-0 15. Qg3 Kh8 16. Qh3 e5 17. f5 Rg8 18. Nd5 Bxd5 19. exd5 Bf8 20. c3 Qb7 21. Bc2 Qxd5 22. Rd1 Qc6 23. Nc1 Rc8 24. Nd3 Nc5 25. Nf2 a5 26. Rfe1 a4 27. Bg5 Nh7 28. Bc1 Be7 29. Ng4 Bg5 30. f6 Bxc1 31. Rxc1 e4 32. fxg7+ Rxg7 33. Nxh6 Re8 34. Rf1 Qb7 35. Nf5 Rg6 36. Rf4 Rd8 37. Qh4 Re8 38. Nh6 Rg7 39. Re1 d5 40. Qf2 Qc7 41. Nxf7+ Kg8 42. Nh6+ Kh8 43. Nf5 Rf8 44. Nxg7 Rxf4 45. Qg3 Qf7 46. Rg1 Rf6 47. Qb8+ Kxg7 48. Qxb5 Qc7 49. Qb4 Rh6 50. Qd4+ Nf6 51. h3 Kh7 0-1

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "6.8"]
[White "Karpus, Michal"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1902"]
[BlackElo "1627"]
[PlyCount "114"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 b6 6. Nb3 e6 7. Nf3 Bd6 8. g3 Nd7 9. Bg2 Rc8 10. 0-0 Ngf6 11. Qe2 Qc7 12. h3 0-0 13. Nh4 Bg6 14. Nxg6 hxg6 15. f4 c5 16. dxc5 Bxc5+ 17. Kh1 Rfd8 18. c3 Nb8 19. Nxc5 Qxc5 20. Be3 Qc7 21. Rad1 Rxd1 22. Rxd1 Rd8 23. Kh2 Rxd1 24. Qxd1 Nc6 25. c4 Ne7 26. b3 Nf5 27. Bf2 Qd7 28. Qxd7 Nxd7 29. b4 Ne7 30. c5 bxc5 31. bxc5 Nb8 32. g4 Kf8 33. Kg3 Ke8 34. Bd4 f6 35. Kf2 Nd5 36. Kg3 Nc6 37. Bb2 Nce7 38. Be4 Kd7 39. Bc2 Kc6 40. Bd4 Kb5 41. Bb3 a5 42. a3 Nc6 43. Bf2 Nce7 44. Kf3 Nc6 45. Bg1 Nce7 46. Ke4 Nc3+ 47. Kf3 Ncd5 48. Bd4 Nc6 49. Bf2 Nce7 50. Ke4 Nc3+ 51. Kd4 Ne2+ 52. Ke3 Nc3 53. Bxe6 Nd1+ 54. Ke2 Nxf2 55. Kxf2 Kxc5 56. Ke3 Nd5+ 57. Bxd5 Kxd5 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "1.4"]
[White "Koziol, Kamil"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2005"]
[BlackElo "1627"]
[PlyCount "77"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Nf4 Bd6 8. Ngh5 Bxf4 9. Nxf4 Ne7 10. c3 Nd7 11. Nxg6 Nxg6 12. g3 Nf6 13. Bg2 Qd7 14. Bg5 Nd5 15. 0-0 h6 16. Be3 0-0 17. c4 Nf6 18. Qb3 Ne7 19. Rad1 Rfd8 20. Bd2 Rac8 21. Bc3 Qc7 22. Rfe1 Ng6 23. d5 cxd5 24. Bxf6 gxf6 25. cxd5 e5 26. Bh3 Rb8 27. Qa3 b5 28. d6 Qb6 29. Qd3 a6 30. Re2 Rb7 31. Rc2 Kg7 32. Rc8 Nf8 33. Qd5 Ra7 34. Rxd8 Qxd8 35. d7 Rc7 36. Qd6 Ra7 37. Qc6 Ne6 38. Bxe6 fxe6 39. Qc8 1-0

[Event "POL Olympiad U14"]
[Site "Spala"]
[Date "2014.12.30"]
[Round "5.13"]
[White "Miszkielo, Bartosz"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1707"]
[BlackElo "1627"]
[PlyCount "88"]
[EventDate "2014.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 e6 3. b3 Nf6 4. Bb2 d5 5. d3 d4 6. b4 b6 7. e3 dxe3 8. fxe3 cxb4 9. d4 Be7 10. Be2 0-0 11. Ne5 Bb7 12. Bf3 Qc7 13. Nd2 Nbd7 14. Nd3 Rac8 15. e4 h6 16. 0-0 Rfe8 17. Rc1 Qb8 18. Kh1 Nh7 19. Rc2 a5 20. Bg4 Ndf6 21. e5 Nxg4 22. Qxg4 Ba6 23. Nf4 Bf8 24. Nh5 Bb7 25. Ne4 Bxe4 26. Qxe4 Rc7 27. Bc1 Qd8 28. Qg4 Kh8 29. Be3 Ree7 30. Rf3 Red7 31. Rg3 g6 32. Nf4 Qc8 33. c5 bxc5 34. dxc5 Bxc5 35. Bxc5 Rxc5 36. Rxc5 Qxc5 37. Nd3 Qc2 38. Qe4 Rxd3 39. Qa8+ Kg7 40. Rxg6+ fxg6 41. Qa7+ Kg8 42. h3 Qc1+ 43. Kh2 Qf4+ 44. Kg1 Rd4 0-1

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.29"]
[Round "8"]
[White "Poplawski, Maciej"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1593"]
[BlackElo "1577"]
[PlyCount "179"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Suwalki Hancza U19"]
[BlackTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. a3 d5 4. c4 c5 5. Nc3 Nc6 6. e3 dxc4 7. dxc5 Qxd1+ 8. Kxd1 Bxc5 9. Bxc4 0-0 10. Ke2 Rd8 11. b4 Bd6 12. Bb2 Ne5 13. Nxe5 Bxe5 14. Rhd1 Bd7 15. f4 Bxc3 16. Bxc3 Rac8 17. Bxf6 gxf6 18. Bd3 Ba4 19. Rdc1 a6 20. g4 Kg7 21. h4 h6 22. Rab1 Re8 23. f5 e5 24. Be4 Rxc1 25. Rxc1 Re7 26. Bd5 Rd7 27. e4 b6 28. Rc8 a5 29. bxa5 bxa5 30. Ra8 Bb5+ 31. Kf2 a4 32. Ra5 Bd3 33. Rxa4 Rc7 34. Ke3 Bb5 35. Rb4 Be8 36. Kd2 Ra7 37. Rb3 Ra6 38. Kc1 Ra7 39. Kb2 Kf8 40. Rb4 Ke7 41. Kb3 Kd7 42. Rb6 Ke7 43. Rb7+ Rxb7+ 44. Bxb7 Bb5 45. a4 Be2 46. a5 Kd7 47. Kb4 Kc7 48. Bd5 Bxg4 49. Kb5 Be2+ 50. Bc4 Bf3 51. Bd3 Bg2 52. Kc5 Bf3 53. a6 Bg2 54. a7 Kb7 55. Kd6 Kxa7 56. Ke7 Kb6 57. Kxf7 Kc6 58. Kxf6 Kd6 59. Kg6 Ke7 60. Kxh6 Kf6 61. Kh7 Bf3 62. Bc2 Be2 63. Kg8 Bf3 64. Kf8 Bh5 65. Bd3 Bf3 66. Ke8 Bh5+ 67. Kd7 Bf3 68. Kd6 Bh5 69. Bb5 Bf3 70. Kd5 Bh5 71. Kc4 Be2+ 72. Kb4 Bf3 73. Bd3 Bh5 74. Kc3 Bf3 75. Kd2 Bh5 76. Ke3 Be8 77. Kf3 Bh5+ 78. Kf2 Bf7 79. Be2 Be8 80. Kg3 Bc6 81. Bf3 Be8 82. Kg4 Bf7 83. Be2 Be8 84. h5 Bc6 85. Bf3 Bb7 86. h6 Bc6 87. h7 Kg7 88. Kg5 Kxh7 89. Kf6 Kg8 90. Kxe5 1-0

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.28"]
[Round "7"]
[White "Szczurek, Krzysztof"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1689"]
[BlackElo "1577"]
[PlyCount "161"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chrzanow UKS SP 8 U19"]
[BlackTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. a3 Ngxe5 7. Nxe5 Nxe5 8. b4 Be7 9. Bb2 Bf6 10. Nc3 Ng6 11. Be2 0-0 12. 0-0 d6 13. Qc2 Be6 14. f4 Ne7 15. Bd3 h6 16. Rad1 Bxc3 17. Qxc3 f6 18. e4 Kh8 19. Rde1 Ng8 20. Rf3 Re8 21. Qd2 Qe7 22. Rfe3 Qf7 23. Qc3 Rad8 24. f5 Bd7 25. Rg3 Re7 26. b5 b6 27. Rf1 Bc8 28. Rf4 Bb7 29. h3 Rde8 30. Qc2 a6 31. Rgg4 a5 32. Rh4 Qf8 33. Bd4 Rc8 34. Qd2 Rce8 35. Qf2 Qf7 36. Rhg4 Qf8 37. Qh4 Qf7 38. Rg6 Qf8 39. Rfg4 Rf7 40. Rf4 Rfe7 41. Be3 Bc8 42. Bd2 Bb7 43. Bc3 Rf7 44. Rfg4 Rfe7 45. Kh2 Rf7 46. Bc2 Rfe7 47. a4 Ba8 48. Bb2 Bb7 49. Bc1 Kh7 50. Qh5 Kh8 51. Qh4 Kh7 52. Rf4 Qf7 53. Bd3 Ba8 54. Qg4 Qf8 55. Qf3 Re5 56. Bb2 Rxf5 57. Rxg7+ Qxg7 58. Rxf5 Rf8 59. Qf2 Kh8 60. Rf4 Bb7 61. Rf5 Bc8 62. Rf4 Be6 63. Rf3 Qf7 64. Qe2 Qg7 65. Bc1 Qf7 66. Rf4 Qg7 67. Rh4 Kh7 68. e5+ f5 69. exd6 Bc8 70. dxc7 Qxc7+ 71. Bf4 Qg7 72. Qe3 Bb7 73. Bf1 Qg6 74. c5 bxc5 75. Qxc5 Rc8 76. Qf2 Rc3 77. Qd2 Ra3 78. Qd7+ Qg7 79. Qxf5+ Qg6 80. Qc5 Ra1 81. Qc7+ 1-0

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.27"]
[Round "6"]
[White "Choina, Michal"]
[Black "Witczak, Jakub"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1577"]
[BlackElo "1816"]
[PlyCount "103"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[BlackTeam "Gorzow Wielkopolski Stilon U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. Qd2 0-0 9. h4 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 Qxd5 13. Qxd5 cxd5 14. c3 e5 15. Bc5 Rd8 16. Rd1 Be6 17. a3 Bf8 18. Bxf8 Kxf8 19. 0-0 Rab8 20. Rd2 Rdc8 21. Rfd1 Rb3 22. a4 Rcb8 23. Bb5 Rb6 24. f3 f5 25. Re1 e4 26. fxe4 dxe4 27. Rd8+ Ke7 28. Ra8 Rb7 29. Re2 Bd7 30. Rh8 h5 31. Rh7+ Kf8 32. Rd2 a6 33. Rhxd7 e3 34. R2d3 Rxd7 35. Bxd7 f4 36. Rd1 Rxb2 37. Bc8 Rb6 38. Kf1 Ke7 39. Ke2 Kf6 40. Kf3 Ke5 41. a5 Rb5 42. Bxa6 Rxa5 43. Be2 Ra2 44. Rc1 Ra8 45. c4 Rg8 46. Rd1 Rf8 47. Rd5+ Ke6 48. Rg5 Rf6 49. Bd3 Kf7 50. c5 Rc6 51. Bxg6+ Kf8 52. Bd3 1-0

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.26"]
[Round "5"]
[White "Nowak, Kamil"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1786"]
[BlackElo "1577"]
[PlyCount "65"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw KS Polonia U19"]
[BlackTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 h6 11. Bxf6 gxf6 12. Bd3 Nc5 13. Kb1 Bd7 14. h4 0-0-0 15. f5 Nxd3 16. Rxd3 Kb8 17. Nce2 Rde8 18. Rc3 Qa5 19. Rd1 Qe5 20. Nf4 Rhg8 21. Rb3 Ka8 22. h5 Rg7 23. fxe6 fxe6 24. Ng6 Qg5 25. Rf1 Rf7 26. e5 d5 27. Qf4 Qxf4 28. Rxf4 Rh7 29. exf6 Rf7 30. fxe7 Rxf4 31. Nxf4 Rxe7 32. Ng6 Rf7 33. Rf3 1-0

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.25"]
[Round "4"]
[White "Choina, Michal"]
[Black "Kasprzyk, Maciej"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1577"]
[BlackElo "1468"]
[PlyCount "81"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[BlackTeam "Trzebinia UKS Hetman Koronny U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Bf3 0-0 10. 0-0 Nbd7 11. h3 Rc8 12. Qd2 Nb6 13. Bxb6 Qxb6 14. Rad1 Rfd8 15. Rfe1 Qc7 16. Qe2 Qc4 17. Qxc4 Rxc4 18. Rd2 Ne8 19. Red1 Rdc8 20. Bg4 Nf6 21. Bf3 b6 22. Be2 Rxc3 23. bxc3 Nxe4 24. Bxa6 Rxc3 25. Re2 Nc5 26. Nxc5 bxc5 27. Rd3 Rxd3 28. cxd3 f5 29. a4 Bd8 30. Bc4 Kf7 31. Bxe6+ Kxe6 32. Rb2 Kd7 33. Rb7+ Bc7 34. a5 Kc6 35. a6 g6 36. Kf1 h6 37. Ke2 g5 38. g4 fxg4 39. hxg4 d5 40. f3 Kd7 41. a7 1-0

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.24"]
[Round "3"]
[White "Mrozowski, Jan"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1500"]
[BlackElo "1577"]
[PlyCount "66"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Gulermak Polonia U19"]
[BlackTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Nbd7 6. c5 Be7 7. e3 Nh5 8. Bxe7 Qxe7 9. b4 a6 10. a4 Nhf6 11. Be2 0-0 12. 0-0 e5 13. b5 Re8 14. bxc6 bxc6 15. a5 exd4 16. exd4 Nf8 17. Qa4 Qc7 18. Ne5 Bb7 19. Rab1 N6d7 20. Nxd7 Nxd7 21. Bg4 Nf6 22. Bf3 Re7 23. g3 h6 24. Rb2 Rae8 25. Be2 Ne4 26. Nxe4 Rxe4 27. Bd3 Re1 28. Rb6 Rxf1+ 29. Kxf1 Bc8 30. f4 Bh3+ 31. Kf2 Qe7 32. Bh7+ Kh8 33. Be4 Qxe4 0-1

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.22"]
[Round "2"]
[White "Choina, Michal"]
[Black "Klementowski, Dawid"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "1577"]
[BlackElo "1712"]
[PlyCount "104"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[BlackTeam "Rybnik MKSz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. Be3 cxd4 8. Nxd4 e5 9. Nxc6 Qxc6 10. Qd3 Bd7 11. 0-0-0 Be7 12. Qd5 Rc8 13. Qxc6 Bxc6 14. Bxa7 Ra8 15. Bb6 Rxa2 16. Kb1 Ra8 17. f3 0-0 18. Bc4 Ra4 19. Bb3 Ra6 20. Be3 Kh8 21. Rhg1 f5 22. Bd5 Rfa8 23. c3 Bf6 24. Bxc6 bxc6 25. Kc2 Rb8 26. Ra1 Rxa1 27. Rxa1 h6 28. Ra7 Rc8 29. Bc5 Bg5 30. g3 Kh7 31. h4 Bf6 32. Be7 Kg6 33. Bxf6 Kxf6 34. Kd3 g5 35. h5 g4 36. fxg4 fxg4 37. Ke4 Re8 38. b4 Kg5 39. Ra6 Rc8 40. Kxe5 Kxh5 41. Kd6 Rd8+ 42. Kxc6 Rc8+ 43. Kb7 Rxc3 44. Ra5+ Kg6 45. b5 Rxg3 46. b6 Rb3 47. Kc7 g3 48. b7 g2 49. Ra1 Rc3+ 50. Kd8 Rd3+ 51. Kc7 Rc3+ 52. Kd8 Rd3+ 1/2-1/2

[Event "POL-chT U19 44th"]
[Site "Karpacz"]
[Date "2013.07.22"]
[Round "1"]
[White "Golda, Sebastian"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1626"]
[BlackElo "1577"]
[PlyCount "58"]
[EventDate "2013.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Krakow KKSz 1893 U19"]
[BlackTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 d6 8. Be2 Nbd7 9. Nb3 Nc5 10. Nxc5 Bxc5 11. 0-0 Qe7 12. Kh1 Bd7 13. Bf4 e5 14. Bg5 Bc6 15. Rae1 h6 16. Be3 Bxe3 17. fxe3 0-0 18. Rf3 Ng4 19. Ref1 Qh4 20. h3 Nf6 21. Qxd6 Nxe4 22. Qxe5 Nxc3 23. Rg3 f6 24. Qe6+ Kh8 25. Qg4 Qxg4 26. Bxg4 Ne4 27. Rgf3 Nd2 28. Rd1 Bxf3 29. gxf3 Rad8 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "2.9"]
[White "Bilczewski, Kacper"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1791"]
[BlackElo "1575"]
[PlyCount "88"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 h6 7. Nf4 Bh7 8. Bd3 Qxd4 9. Be3 Qd8 10. Qe2 Bxd3 11. Nxd3 Nd7 12. 0-0-0 Qa5 13. Kb1 Ngf6 14. Bf4 e6 15. Bd2 Qc7 16. Nf5 0-0-0 17. Bf4 Qb6 18. Nd6+ Bxd6 19. Bxd6 c5 20. Bg3 Nd5 21. Ka1 f6 22. c4 Ne7 23. f4 Nf5 24. Bf2 Nd4 25. Bxd4 cxd4 26. c5 Qa6 27. Qc2 Nb8 28. b4 Qc6 29. Rb1 a6 30. a4 Kd7 31. b5 axb5 32. axb5 Qc7 33. Qc4 Qa5+ 34. Kb2 Qc3+ 35. Qxc3 dxc3+ 36. Kxc3 Ke7 37. Rhe1 Rd5 38. Re3 Kf7 39. Rbe1 Rhd8 40. g3 R8d7 41. Rc1 Rc7 42. Kb3 Nd7 43. Kb4 Rd4+ 44. Kb3 Rd5 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "3.7"]
[White "Choina, Michal"]
[Black "Adamczewski, Maciej"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1575"]
[BlackElo "1810"]
[PlyCount "119"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Bb4 5. Bd2 Ne7 6. a3 Bd6 7. Bd3 Nbc6 8. Nge2 Bg4 9. h3 Bh5 10. Be3 f5 11. Qd2 Rf8 12. Bf4 h6 13. Bb5 g5 14. Bxd6 Qxd6 15. f4 0-0-0 16. fxg5 Bxe2 17. Nxe2 hxg5 18. Bxc6 Qxc6 19. Qxg5 Qxc2 20. Rc1 Qe4 21. Qf4 Nc6 22. Qxe4 dxe4 23. Rc4 Rd5 24. 0-0 Rfd8 25. b4 a5 26. Rc5 axb4 27. axb4 Nxd4 28. Nxd4 Rxd4 29. Rcxf5 Rxb4 30. Rf8 Rxf8 31. Rxf8+ Kd7 32. Kf2 Rb2+ 33. Ke3 Rxg2 34. Kxe4 b5 35. Kd4 Rg5 36. Rf3 Rh5 37. Kc3 Rh4 38. Rg3 c5 39. Rd3+ Kc6 40. Rg3 b4+ 41. Kb3 Kb5 42. Rf3 c4+ 43. Kb2 Ka4 44. Rf8 Rxh3 45. Ra8+ Kb5 46. Rb8+ Kc5 47. Rc8+ Kd4 48. Rd8+ Ke4 49. Re8+ Kd3 50. Rd8+ Ke2 51. Rd4 Rc3 52. Rh4 Kf2 53. Rd4 Ke3 54. Rh4 Kd3 55. Rh3+ Kd2 56. Rh2+ Kd3 57. Rh3+ Kd4 58. Rxc3 bxc3+ 59. Kc2 Kc5 60. Kxc3 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "1.15"]
[White "Choina, Michal"]
[Black "Janiszewski, Filip"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "1575"]
[BlackElo "1745"]
[PlyCount "89"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. f3 Nc6 9. 0-0-0 Bd7 10. Bxf6 gxf6 11. Kb1 h5 12. Nb3 b5 13. Nd4 Qb8 14. Nxc6 Bxc6 15. Bd3 b4 16. Ne2 a5 17. Nd4 Bd7 18. Qe2 a4 19. Bb5 Ra5 20. Bxd7+ Kxd7 21. f4 Rc8 22. Rd3 Qb6 23. Nf3 Ke8 24. h3 Qa6 25. Rd2 Qa7 26. Rc1 Rac5 27. Qd1 Qa6 28. Qe2 Qc6 29. Nd4 Qb6 30. Nf3 f5 31. e5 d5 32. Ng5 b3 33. a3 Rc4 34. Qxh5 Rxc2 35. Qxf7+ Kd7 36. Rdxc2 bxc2+ 37. Ka1 Rc6 38. Nh7 Qc7 39. Nf8+ Kc8 40. Nxe6 Qa7 41. Qe8+ Kb7 42. Qxe7+ Kb6 43. Qb4+ Ka6 44. Qxa4+ Kb7 45. Nd8+ 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "6.13"]
[White "Choina, Michal"]
[Black "Nowak, Kamil"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1575"]
[BlackElo "1728"]
[PlyCount "86"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 Nbd7 10. Qd2 0-0 11. f4 b5 12. a3 Rc8 13. Qe1 Qc7 14. Nd2 exf4 15. Bxf4 Ne5 16. h3 Ng6 17. Bh2 Qc5+ 18. Kh1 Nd7 19. Nb3 Qc7 20. Nd4 Nde5 21. Nxe6 fxe6 22. Qd2 Bf6 23. Rfd1 Rfd8 24. Qe3 Nf7 25. Rd3 Nge5 26. Rdd1 Nd7 27. Rd3 Nc5 28. Rdd1 Nb7 29. Bg1 Bxc3 30. bxc3 Qxc3 31. Qxc3 Rxc3 32. Bd3 Nc5 33. Rd2 Nxd3 34. cxd3 Rdc8 35. a4 b4 36. a5 Ne5 37. d4 Nc4 38. Re2 b3 39. e5 d5 40. Bf2 b2 41. Rb1 Rc1+ 42. Re1 Rxb1 43. Rxb1 Rb8 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "5.8"]
[White "Choina, Michal"]
[Black "Szostko, Jakub"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1575"]
[BlackElo "1858"]
[PlyCount "65"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Bd3 b5 8. a3 Bb7 9. f3 Nbd7 10. Qd2 Rc8 11. 0-0 Be7 12. Nb3 0-0 13. Kh1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Rfd1 Ne5 17. Be2 Qc7 18. Rac1 Rfd8 19. Qe1 Nc4 20. Bxc4 bxc4 21. Nd4 c3 22. b4 a5 23. Nb5 Qc4 24. a4 axb4 25. Rd4 Qa2 26. Rg4 Qxa4 27. Nxc3 Qc6 28. Nxd5 Qxd5 29. Rd4 Qc6 30. Rxd8+ Rxd8 31. Bd2 Qd6 32. Rd1 Bg5 33. Bc1 0-1

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "9.20"]
[White "Choina, Michal"]
[Black "Tylenda, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1575"]
[BlackElo "1507"]
[PlyCount "23"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bd2 Bg7 7. Nc3 Qb6 8. Na4 Qd4 9. Nc3 Qb6 10. Na4 Qd4 11. Nc3 Qb6 12. Na4 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "8.20"]
[White "Domanski, Lukasz"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1637"]
[BlackElo "1575"]
[PlyCount "63"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 cxd4 5. cxd4 d5 6. Nc3 dxe4 7. Nxe4 Be7 8. Be2 Nf6 9. Nxf6+ Bxf6 10. Be3 0-0 11. 0-0 b6 12. Qc2 Bb7 13. Bd3 h6 14. Qd2 Re8 15. a3 Na5 16. Rad1 Bxf3 17. gxf3 Nb3 18. Qb4 Na5 19. Be4 Rc8 20. Kh1 Qe7 21. Qe1 Nc4 22. Bc1 Nd6 23. Rg1 Kh8 24. Qf1 Qf8 25. Qh3 Rxc1 26. Rxc1 Bxd4 27. Rg2 Bxb2 28. Rcg1 Bf6 29. Bb1 Nb5 30. f4 Qxa3 31. Qh5 Qf8 32. Qxb5 1-0

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "4.11"]
[White "Kaczkowski, Maciej"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1651"]
[BlackElo "1575"]
[PlyCount "116"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d6 3. Nc3 Bf5 4. f3 Nbd7 5. e4 Bg6 6. Bc4 e6 7. Nge2 h6 8. Bh4 Bh7 9. Qd2 Be7 10. Bf2 c6 11. a4 Qc7 12. 0-0 0-0 13. Ng3 e5 14. d5 c5 15. Nd1 Rfd8 16. Ne3 Bf8 17. Ne2 Nb6 18. Nc3 Nxc4 19. Nxc4 a6 20. a5 Rab8 21. Na4 Nd7 22. Bh4 Re8 23. c3 f6 24. Rac1 Be7 25. Bf2 Red8 26. Rc2 f5 27. Qe1 fxe4 28. fxe4 Nf6 29. Re2 Qd7 30. Nab6 Qb5 31. b4 cxb4 32. cxb4 Rf8 33. Bh4 Rbd8 34. Bxf6 Rxf6 35. Rxf6 Bxf6 36. g3 Be7 37. Rf2 Rf8 38. Rxf8+ Kxf8 39. Kf2 Bd8 40. Ke3 Bg6 41. Qf2+ Kg8 42. Qe1 Bh5 43. Kf2 Bf7 44. Qc3 Bh5 45. h3 Bxb6+ 46. axb6 Qd7 47. g4 Bg6 48. Qe3 Kh7 49. Kg3 h5 50. gxh5 Bxh5 51. Kg2 g6 52. Kg3 Qe7 53. Na5 g5 54. Nc4 Bg6 55. Kg2 Kg7 56. Kg3 Kh7 57. Kg2 Bh5 58. Qf2 Bg6 1/2-1/2

[Event "POL Olympiad U14"]
[Site "Walbrzych"]
[Date "2013.??.??"]
[Round "7.17"]
[White "Klementowski, Dawid"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1734"]
[BlackElo "1575"]
[PlyCount "51"]
[EventDate "2013.04.??"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 e6 7. Nf3 Bd6 8. Bxd6 Qxd6 9. Qe2 0-0 10. Nbd2 b6 11. 0-0 Bb7 12. Rae1 Rfd8 13. Ne5 Qc7 14. f4 h6 15. Kh1 Nd7 16. f5 Ndxe5 17. dxe5 exf5 18. Bxf5 Ne7 19. e6 Nxf5 20. Rxf5 fxe6 21. Qxe6+ Kh8 22. Rf7 Qc6 23. Qg4 Rg8 24. Ree7 d4 25. Nf3 Qc8 26. Rxg7 1-0

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "7"]
[White "Choina, Michal"]
[Black "Choina, Jan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1558"]
[PlyCount "47"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Nf6 7. cxb4 0-0 8. 0-0 d6 9. b5 Bg4 10. bxc6 Bxf3 11. Qxf3 bxc6 12. Nc3 d5 13. exd5 cxd5 14. Nxd5 Nxd5 15. Bxd5 Rb8 16. Bb3 Qe7 17. Bb2 Qg5 18. Qc3 h5 19. f4 Qg4 20. h3 Qg6 21. f5 Qg5 22. h4 Qg4 23. Rf4 Qxf4 24. Qxg7# 1-0

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "6"]
[White "Choina, Michal"]
[Black "Gazik, Viktor"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1558"]
[BlackElo "2061"]
[PlyCount "48"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Raciborz KSz Silesia U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. f3 Nbd7 8. Qd2 b5 9. a3 Bb7 10. Be2 Rc8 11. 0-0 Bg7 12. Rad1 0-0 13. Kh1 Re8 14. Nb3 Qc7 15. Bh6 Bh8 16. g4 Nb6 17. h4 d5 18. exd5 Nbxd5 19. Nxd5 Bxd5 20. g5 Ng4 21. Bd3 Qg3 22. Qe2 Qh3+ 23. Kg1 Bxb3 24. Be4 Bc4 0-1

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "2"]
[White "Choina, Michal"]
[Black "Karpacz, Piotr"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1558"]
[BlackElo "1787"]
[PlyCount "64"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Katowice Hetman Szopienice U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. 0-0 Nbc6 7. Be3 g6 8. Nc3 Bg7 9. Nxc6 Nxc6 10. Qd2 0-0 11. Kh1 d5 12. exd5 exd5 13. Bc5 Re8 14. Rae1 Be6 15. f4 f5 16. Be2 d4 17. Na4 b5 18. Nb6 Rb8 19. Bf3 Rxb6 20. Bxb6 Qxb6 21. Rxe6 Rxe6 22. Bd5 Nd8 23. Re1 Qd6 24. Bxe6+ Nxe6 25. Rf1 Nc5 26. Qb4 Ne4 27. Qxd6 Nxd6 28. Re1 Kf7 29. Kg1 Nc4 30. b3 Ne3 31. Rc1 Bf8 32. c4 d3 0-1

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "9"]
[White "Choina, Michal"]
[Black "Mockun, Dawid"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1558"]
[BlackElo "1680"]
[PlyCount "86"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Suwalki Hancza U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Bb5 e6 7. h3 Bxf3 8. Qxf3 cxd4 9. Bxc6+ bxc6 10. cxd4 Qb6 11. Qd3 Ne7 12. Nd2 Nf5 13. Nb3 a5 14. a4 Rb8 15. Nd2 Qxd4 16. Qxd4 Nxd4 17. 0-0 Bb4 18. Nf3 Ne2+ 19. Kh1 Nxc1 20. Raxc1 c5 21. Rc2 Ke7 22. Rd1 h6 23. Kg1 Rhd8 24. Kf1 f6 25. Ke2 Rbc8 26. g3 fxe5 27. Nxe5 c4 28. f4 Rd6 29. Kf3 Rb8 30. Kg4 Bc5 31. Kh5 Rb4 32. Kg6 Kf8 33. Kh7 Rb7 34. Kg6 Rdb6 35. h4 Bd6 36. Rdd2 Bxe5 37. fxe5 Rf7 38. g4 Rb3 39. Rg2 Re3 40. Rcf2 Rff3 41. Rxf3+ Rxf3 42. Re2 Rf4 43. Kh5 Kf7 0-1

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "2"]
[White "Choina, Michal"]
[Black "Piasecka, Maja"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1558"]
[PlyCount "51"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. Bg5 0-0 7. e5 h6 8. exf6 hxg5 9. fxg7 Kxg7 10. Nfd2 Rh8 11. Nb3 Bb6 12. f4 d6 13. f5 Qf6 14. Kh1 Qe5 15. h3 Bxf5 16. Qf3 Ne7 17. N1d2 Raf8 18. Rae1 Qf6 19. Rxe7 Qxe7 20. Qxf5 Rh5 21. Ne4 c6 22. Qg4 Kg6 23. Rf6+ Kg7 24. Qxh5 d5 25. Qxg5+ Kh7 26. Rh6# 1-0

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "4"]
[White "Choina, Michal"]
[Black "Rosicki, Marcin"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1558"]
[BlackElo "1665"]
[PlyCount "66"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Jaworzno JKSz MCKiS U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. e5 d5 7. Bb5 Ne4 8. Bxc6+ bxc6 9. Nxd4 Ba6 10. Ne2 0-0 11. Nd2 Qe7 12. Nxe4 dxe4 13. Bf4 f6 14. Bg3 fxe5 15. Re1 Qf7 16. Nc3 Bxf2+ 17. Bxf2 Qxf2+ 18. Kh1 Rad8 19. Qg4 e3 20. Rac1 Rd2 21. Ne4 Qf5 22. Qxf5 Rxf5 23. Rxe3 Rxc2 24. Ree1 Rxb2 25. Rxc6 Bb7 26. Rc4 Re2 27. Rd1 Bxe4 28. h3 Bxg2+ 29. Kg1 Bxh3 30. Rd8+ Kf7 31. Rxc7+ Ke6 32. Re8+ Kd6 33. Rxg7 Rf1# 0-1

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "5"]
[White "Dwilewicz, Agata"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1576"]
[BlackElo "1558"]
[PlyCount "101"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw KS Polonia U19 II"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 h6 8. h5 Bh7 9. Be3 Nf6 10. Qd2 Bd6 11. 0-0-0 Nd5 12. Bd3 Bxd3 13. Qxd3 Nxe3 14. Qxe3 Qc7 15. Ne5 Nd7 16. f4 0-0-0 17. Rhf1 Nxe5 18. dxe5 Be7 19. Qxa7 Rxd1+ 20. Rxd1 Rd8 21. Qa8+ Qb8 22. Qxb8+ Kxb8 23. Rxd8+ Bxd8 24. Ne4 Be7 25. Kd2 Kc7 26. Kd3 b5 27. Kd4 Kb6 28. Nd6 c5+ 29. Ke4 Bxd6 30. exd6 Kc6 31. Ke5 Kd7 32. g4 f6+ 33. Ke4 Kxd6 34. c3 c4 35. Kd4 Kc6 36. b3 cxb3 37. axb3 Kd6 38. c4 bxc4 39. Kxc4 Kc6 40. b4 Kd6 41. b5 e5 42. fxe5+ fxe5 43. b6 Kc6 44. b7 Kxb7 45. Kd5 Kc7 46. Kxe5 Kd7 47. Kf5 Ke7 48. Kg6 Kf8 49. g5 hxg5 50. Kxg5 Kf7 51. Kf5 1/2-1/2

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "5"]
[White "Frank, Mateusz"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "1558"]
[PlyCount "125"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. Bd2 e6 8. Nc3 a6 9. 0-0 Bd6 10. Re1 0-0 11. Ne5 Qb6 12. Nxd7 Nxd7 13. Bc1 Nf6 14. b3 h6 15. Bb2 Rac8 16. Rc1 Qc7 17. h3 Bb4 18. Re3 Kh8 19. a3 Bd6 20. Re2 Rfe8 21. Qd3 Bxa3 22. Bxa3 Qxc3 23. Qxc3 Rxc3 24. Bb4 Rc6 25. Re3 Rec8 26. c3 Ne8 27. Kf1 Nd6 28. Bxd6 Rxd6 29. Ke2 Rb6 30. Rb1 a5 31. Kd2 a4 32. Kc2 Rxb3 33. Rxb3 axb3+ 34. Kxb3 Kg8 35. Re1 Ra8 36. Kb2 Kf8 37. f4 Ra6 38. g4 Ke7 39. g5 h5 40. h4 g6 41. Rf1 Kd7 42. Kb3 Kc6 43. Kb2 b5 44. Ra1 Ra4 45. Ra3 Kb6 46. Kb3 Ka5 47. Kb2 b4 48. Rb3 Kb5 49. cxb4 Rxb4 50. Kc3 Rxb3+ 51. Kxb3 Kc6 52. Ka4 Kd6 53. Kb4 Ke7 54. Kc5 f6 55. Kc6 fxg5 56. fxg5 e5 57. Kxd5 exd4 58. Kxd4 Kd6 59. Ke4 Ke6 60. Kf4 Kd5 61. Kf3 Ke5 62. Ke3 Kd5 63. Kd3 1/2-1/2

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "3"]
[White "Guzik, Tomasz"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1308"]
[BlackElo "1558"]
[PlyCount "58"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 a6 4. g3 Nc6 5. Bg2 d6 6. Nge2 Nf6 7. 0-0 g6 8. d3 Bg7 9. Qa4 Bd7 10. Qb3 Qc7 11. Be3 0-0 12. f4 Rac8 13. Rad1 Rfd8 14. Qc2 Nb4 15. Qd2 Ng4 16. a3 Nxe3 17. Qxe3 Nc6 18. g4 f5 19. Bh3 Rf8 20. gxf5 exf5 21. Nd5 Qd8 22. Rf2 Kh8 23. Rg2 Be6 24. Nec3 Bd4 25. Qxd4+ Nxd4 26. exf5 Bxf5 27. Bxf5 Rxf5 28. Re1 Nf3+ 29. Kf2 Nxe1 0-1

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "1"]
[White "Krzeminski, Sebastian"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1747"]
[BlackElo "1558"]
[PlyCount "78"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Wieliczka MKS MOS U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Qc7 9. Re1 Bb4 10. Bd2 Bxc3 11. Bxc3 0-0 12. b4 a6 13. Rc1 Rac8 14. Bb2 Qb6 15. Qb3 h6 16. h3 Bg6 17. Nh4 Be4 18. f4 Nd5 19. Ba3 Rfe8 20. Nf3 Bxf3 21. gxf3 N7f6 22. Kf2 Qd8 23. Rh1 b5 24. Be2 Nb6 25. axb5 cxb5 26. Rxc8 Qxc8 27. Rc1 Qd7 28. Bb2 Rc8 29. Rg1 Nh5 30. Bd3 Qe7 31. Rg4 Nd5 32. f5 Nxe3 33. Re4 Nxf5 34. Rg4 Nf6 35. Rg1 Nd5 36. Bxf5 exf5 37. Re1 Qh4+ 38. Kf1 Qxh3+ 39. Kf2 Qh2+ 0-1

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "8"]
[White "Molenda, Marcin"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1797"]
[BlackElo "1558"]
[PlyCount "25"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Tomaszow Lubelski UKS GIM Dwojka U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d6 7. exd6 Qxd6 8. 0-0 g6 9. Na3 a6 10. Ng5 e6 11. Ne4 Qe7 12. d4 cxd4 13. Bg5 1-0

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "3"]
[White "Niekras, Dawid"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1912"]
[BlackElo "1558"]
[PlyCount "79"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Trzebinia UKS Hetman Koronny U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Nc3 d6 7. 0-0 g6 8. Qe2 Nbd7 9. Kh1 Bg7 10. f4 0-0 11. Nb3 Qc7 12. Be3 b6 13. Rad1 Bb7 14. Nd2 Rfd8 15. a4 Nc5 16. Bd4 Nfxe4 17. Bxg7 Nxd2 18. Qxd2 Kxg7 19. f5 Nxd3 20. f6+ Kf8 21. Qh6+ Ke8 22. Rxd3 Kd7 23. Qxh7 Kc8 24. Nb5 Bxg2+ 25. Kxg2 Qxc2+ 26. Kg3 Qxd3+ 27. Rf3 Qd5 28. Rc3+ Kb8 29. Qxf7 Qe5+ 30. Kf3 d5 31. Rc6 Qf5+ 32. Ke2 Qe4+ 33. Kd2 Qf4+ 34. Ke2 Qe4+ 35. Kd2 Qf4+ 36. Ke2 Qe4+ 37. Kf2 Qf4+ 38. Ke2 Qe4+ 39. Kd2 Qf4+ 40. Kc2 1/2-1/2

[Event "POL-chT U19 1st League"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "7"]
[White "Sernecki, Franciszek"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "1601"]
[BlackElo "1558"]
[PlyCount "99"]
[EventDate "2012.07.21"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw MUKS MDK Srodmiescie U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Bc4 e6 7. a3 g6 8. 0-0 Bg7 9. Re1 0-0 10. Be3 Qc7 11. Bb3 Re8 12. h3 Nbd7 13. Qd2 b6 14. Bg5 Bb7 15. Bxf6 Bxf6 16. Rad1 Rad8 17. Ba2 Bg7 18. Kf1 Qc5 19. Na4 Qxd4 20. Qxd4 Bxd4 21. Rxd4 b5 22. Nc3 Nb6 23. Red1 Nc8 24. a4 Bc6 25. axb5 Bxb5+ 26. Nxb5 axb5 27. c4 bxc4 28. Bxc4 e5 29. R4d2 Nb6 30. Ba2 Nc8 31. b4 Re7 32. Rd5 Rb7 33. b5 Rb6 34. Rxe5 Kf8 35. Red5 Ne7 36. R5d2 Rxb5 37. Rxd6 Rxd6 38. Rxd6 Rc5 39. Bd5 Nxd5 40. Rxd5 Rxd5 41. exd5 Ke7 42. Ke2 Kd6 43. Ke3 Kxd5 44. Kd3 g5 45. Ke3 h6 46. Kf3 f5 47. g4 f4 48. Ke2 Kc4 49. Kd2 Kd4 50. f3 1/2-1/2

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "1"]
[White "Struski, Mateusz"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1558"]
[PlyCount "128"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. Nc3 a6 5. Bg2 dxe4 6. Nxe4 Nc6 7. 0-0 Be7 8. d3 Nf6 9. Nxf6+ Bxf6 10. Be3 Be7 11. Qe2 0-0 12. Qd2 Re8 13. d4 cxd4 14. Bxd4 e5 15. Be3 Qxd2 16. Bxd2 Rb8 17. Bc3 f6 18. a3 Be6 19. Rfd1 Red8 20. Rxd8+ Rxd8 21. b4 b6 22. a4 Nd4 23. b5 Nxf3+ 24. Bxf3 axb5 25. axb5 Bf8 26. Bg2 Rc8 27. Bd2 Rxc2 28. Be3 Rb2 29. Bf1 Bc5 30. Ra8+ Kf7 31. Ra7+ Kg6 32. Bd3+ f5 33. Bf1 Bxe3 34. fxe3 Rd2 35. Ra6 Rd6 36. Ra7 h6 37. Rc7 Kf6 38. Bc4 Bxc4 39. Rxc4 e4 40. Kf2 Kg5 41. h4+ Kf6 42. Kg2 g6 43. Kh3 h5 44. Kg2 Kg7 45. Rc7+ Kh6 46. Rc6 Rd2+ 47. Kf1 Rd3 48. Kf2 Rd2+ 49. Kf1 Rb2 50. Rxb6 Rb3 51. Kf2 Kg7 52. Rb7+ Kf6 53. Ke2 Rb2+ 54. Kf1 Rb4 55. b6 g5 56. hxg5+ Kxg5 57. Rg7+ Kf6 58. Rb7 Kg5 59. Rg7+ Kh6 60. Rb7 h4 61. gxh4 Kh5 62. Rb8 Kg4 63. b7 Kf3 64. h5 Rb1# 0-1

[Event "Suchedniow op"]
[Site "Suchedniow"]
[Date "2012.07.??"]
[Round "6"]
[White "Surpeta, Julia"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1558"]
[PlyCount "96"]
[EventDate "2012.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd1 Nf6 6. Nc3 d6 7. g3 a6 8. Bg2 Be7 9. 0-0 0-0 10. Be3 Qc7 11. h3 h6 12. Qd2 Re8 13. Na4 Nxe4 14. Qc1 Nc5 15. Nc3 Nd7 16. Nh4 Bxh4 17. gxh4 Qd8 18. Ne4 Qe7 19. Bxh6 gxh6 20. Qxh6 Qf8 21. Qh5 d5 22. Ng5 Qg7 23. c4 dxc4 24. Rad1 Nf6 25. Qf3 Ne5 26. Qc3 Ng6 27. Qxc4 Rb8 28. Rd2 Bd7 29. Rfd1 Bb5 30. Qc7 Nxh4 31. Rd8 Qxg5 32. Rxe8+ Rxe8 33. Qxb7 Qxg2+ 34. Qxg2+ Nxg2 35. Kxg2 Nd5 36. Rg1 Kh7 37. Kf3 Rc8 38. b3 Rc2 39. a4 Bc6 40. Ke4 Rxf2 41. Rc1 Ne7+ 42. Ke5 Bd5 43. Kd6 Nf5+ 44. Ke5 Kg7 45. Rg1+ Rg2 46. Rf1 f6+ 47. Kf4 e5+ 48. Kxf5 Rg5# 0-1

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.20"]
[Round "8"]
[White "Pietras, Daniel"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1455"]
[BlackElo "1553"]
[PlyCount "107"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. c4 Qc7 7. 0-0 Bc5 8. Nb3 Ba7 9. Qe2 d6 10. Be3 Bxe3 11. Qxe3 Nc6 12. N1d2 0-0 13. f4 Ng4 14. Qg3 f5 15. Rae1 Na5 16. exf5 exf5 17. h3 Nf6 18. Re2 Nxb3 19. Nxb3 Bd7 20. Rfe1 Rae8 21. Kh1 Qb6 22. Qg5 Rxe2 23. Rxe2 Ne8 24. c5 Qb4 25. Re7 Bc8 26. cxd6 Qxd6 27. Bc4+ Kh8 28. Re5 Nf6 29. Kh2 b5 30. Be2 h6 31. Qg3 Nd7 32. Re3 Nc5 33. Nxc5 Qxc5 34. Rc3 Qb6 35. Qe3 Qf6 36. Bf3 Kh7 37. Kh1 Qf7 38. b3 Bb7 39. Bxb7 Qxb7 40. Qe5 Rf7 41. Rc5 Qd7 42. Qd5 Qxd5 43. Rxd5 Rf6 44. Kg1 h5 45. h4 g6 46. Rd7+ Kh6 47. Ra7 Rc6 48. Kh2 Rd6 49. Kh3 Rc6 50. Kh2 Re6 51. Kg3 Rc6 52. Kh2 Rd6 53. Kh3 Rd3+ 54. Kh2 1/2-1/2

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.19"]
[Round "7"]
[White "Choina, Michal"]
[Black "Wrobel, Michal"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1553"]
[BlackElo "1480"]
[PlyCount "146"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 Ne7 6. Be3 Nbc6 7. a3 Bg4 8. Be2 Qd7 9. h3 Bf5 10. Qd2 f6 11. Nb5 g5 12. Nxd6+ Qxd6 13. Nh2 Ng6 14. Nf1 0-0-0 15. Ng3 Bd7 16. 0-0-0 Rde8 17. Bd3 Rhf8 18. Bxg6 hxg6 19. Nf1 Rh8 20. f4 Bg4 21. Re1 gxf4 22. Bf2 Rxe1+ 23. Bxe1 Bf5 24. Nh2 g5 25. Rf1 Bg6 26. Bf2 Be4 27. Bg1 Ne7 28. Nf3 Nf5 29. Kb1 Ng3 30. Rf2 Nf5 31. Rf1 Ng3 32. Rf2 Bxf3 33. Rxf3 Ne4 34. Qd3 Qb6 35. Ka2 Qa5 36. Rf1 Re8 37. Rd1 c6 38. c3 Qb6 39. Qf3 Qc7 40. Qg4+ Qd7 41. Qf3 Ng3 42. Bf2 Ne4 43. Bg1 Qe6 44. Bh2 Nd6 45. Rd2 Qe1 46. Rc2 Qh1 47. Bxf4 gxf4 48. Qxf4 Ne4 49. g4 Qxh3 50. Rh2 Qg3 51. Qf5+ Kb8 52. Rh7 Ka8 53. a4 Qf2 54. Qe6 Rb8 55. Rxb7 Kxb7 56. Qd7+ Kb6 57. a5+ Kb5 58. Qxa7 Qh2 59. Ka3 Qd6+ 60. Kb3 c5 61. Ka2 Kc4 62. Qh7 Nxc3+ 63. bxc3 Qf4 64. Qc2 cxd4 65. cxd4+ Kxd4 66. a6 Qd6 67. Qd2+ Kc5 68. Qf2+ d4 69. Qc2+ Kd5 70. Qf5+ Kc6 71. Qc2+ Kd7 72. Qh7+ Qe7 73. Qc2 Qe6+ 0-1

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.19"]
[Round "6"]
[White "Paliszewski, Dominik"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1536"]
[BlackElo "1553"]
[PlyCount "108"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 Nf6 8. Nc3 Qd7 9. Be3 e6 10. a3 Be7 11. 0-0 0-0 12. Qd2 Rad8 13. Rfd1 Rfe8 14. b4 a6 15. Qb2 Nd5 16. Nxd5 Qxd5 17. Rac1 Bf6 18. Rd2 h6 19. h3 Bh5 20. Rc5 Bxf3 21. Rxd5 Bxd5 22. b5 axb5 23. Bxb5 Re7 24. Bxc6 Bxc6 25. Qb4 Red7 26. a4 Ra8 27. a5 Bd8 28. Ra2 Rd5 29. Qe1 Rdxa5 30. Rxa5 Rxa5 31. Bd2 Rb5 32. Qa1 Bc7 33. f3 Bd5 34. Kf2 Bb6 35. Bc3 Bc6 36. Ke1 Rd5 37. Qb2 Bc7 38. Qa1 Bg3+ 39. Kd2 e5 40. Kc2 f6 41. Qb2 exd4 42. Bxd4 Be5 43. Bxe5 Rxe5 44. Kc3 b5 45. Kb4 Bd7 46. Qd2 Be6 47. Qd8+ Kh7 48. Qb6 Bc4 49. Qd4 Re2 50. g3 Re1 51. Kc5 Re5+ 52. Kb4 Re6 53. g4 Re1 54. h4 Re8 1/2-1/2

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.18"]
[Round "5"]
[White "Madej, Roman"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1592"]
[BlackElo "1553"]
[PlyCount "131"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bc5 5. e3 Nc6 6. Qxg4 Ne7 7. Qd1 Ng6 8. Bg3 Qe7 9. Nf3 Bb4+ 10. Nc3 b6 11. a3 Bxc3+ 12. bxc3 Bb7 13. Be2 0-0-0 14. 0-0 f6 15. Bd3 Nxe5 16. Nxe5 fxe5 17. Qg4 g5 18. Be4 Ba6 19. Bf3 h5 20. Qe4 d6 21. h4 g4 22. Qa8+ Kd7 23. Bc6+ Ke6 24. Bd5+ Kf6 25. Qxa7 Bc8 26. Qa4 Bd7 27. Qc2 Bf5 28. Qd2 Bd7 29. f4 e4 30. Qd4+ Kf5 31. Rfd1 Ba4 32. Rd2 c5 33. Bxe4+ Qxe4 34. Qxe4+ Kxe4 35. Kf2 Rh6 36. Rb1 Rb8 37. f5 Kxf5 38. Rxd6 Rxd6 39. Bxd6 Rb7 40. Bxc5 b5 41. Bd4 Bc2 42. Rxb5+ Rxb5 43. cxb5 Bb3 44. b6 Bd5 45. c4 Bc6 46. a4 Bb7 47. c5 Ke6 48. a5 Kd5 49. Kg3 Kc6 50. Kf4 Kb5 51. g3 Bc6 52. Kg5 Kxa5 53. Kxh5 Bf3 54. Kg5 Ka6 55. h5 Kb7 56. h6 Be4 57. Kxg4 Kc6 58. Kg5 Kd7 59. Kf6 Kc6 60. Kg7 Kb7 61. h7 Bxh7 62. Kxh7 Kc6 63. g4 Kb7 64. g5 Kc6 65. g6 Kb7 66. g7 1-0

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.17"]
[Round "4"]
[White "Choina, Michal"]
[Black "Tokarz, Krzysztof"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1553"]
[PlyCount "97"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Nc3 Nf6 6. a3 Bg4 7. Be2 Be7 8. h3 Bh5 9. 0-0 0-0 10. Re1 h6 11. Bf4 Re8 12. Nb5 Rc8 13. Ne5 Bxe2 14. Qxe2 Bd6 15. Nxd6 cxd6 16. Nxc6 Rxc6 17. Qd3 Qc7 18. Rxe8+ Nxe8 19. Re1 Nf6 20. c3 Rb6 21. Re2 a6 22. Bg3 Rc6 23. Bh4 g5 24. Bg3 Ne4 25. Qe3 Nxg3 26. Qe8+ Kg7 27. Re7 Qxe7 28. Qxe7 Rb6 29. fxg3 Rxb2 30. Qxd6 Rb3 31. Qxd5 Rxa3 32. Qxb7 a5 33. d5 a4 34. d6 Ra1+ 35. Kh2 a3 36. c4 a2 37. Qb2+ Kg6 38. Qxa1 g4 39. Qxa2 gxh3 40. gxh3 f5 41. d7 f4 42. d8R fxg3+ 43. Kxg3 Kh5 44. Qe2+ Kg6 45. Rd6+ Kg7 46. Qe6 Kf8 47. Rd8+ Kg7 48. Rd7+ Kh8 49. Qe8# 1-0

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.17"]
[Round "3"]
[White "Walter, Szymon"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1741"]
[BlackElo "1553"]
[PlyCount "147"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Bb4 6. Nf3 Nc6 7. Be2 h6 8. 0-0 Bxc3 9. bxc3 Nf6 10. Ba3 Ne7 11. cxd5 Nfxd5 12. Bb5+ Bd7 13. Bxd7+ Qxd7 14. Ne5 Qc7 15. Qa4+ Nc6 16. Nxc6 Qxc6 17. Qxc6+ bxc6 18. Rab1 Nxc3 19. Rb7 Nb5 20. Re7+ Kd8 21. Bc5 Rc8 22. Rxf7 Rc7 23. Rf3 Rd7 24. Rb1 Kc7 25. Rfb3 a6 26. a4 Nd6 27. f3 Ra8 28. Re3 Re8 29. Rc3 Rb8 30. Rxb8 Kxb8 31. Re3 Nc4 32. Rxe6 Kb7 33. Rg6 Rf7 34. Kf2 Nb2 35. a5 Nd3+ 36. Ke3 Nxc5 37. dxc5 Kc7 38. Kd4 Rd7+ 39. Ke4 Re7+ 40. Kf5 Kd7 41. Rd6+ Kc7 42. Re6 Rd7 43. Rg6 Re7 44. h4 Kb7 45. Re6 Rd7 46. Kg6 Rd5 47. Re7+ Kb8 48. Rxg7 Rxc5 49. Kxh6 Rxa5 50. h5 Rd5 51. g4 c5 52. Rg5 Rd6+ 53. Rg6 Kc7 54. Rxd6 Kxd6 55. Kg6 c4 56. h6 c3 57. h7 c2 58. h8Q c1Q 59. Qd8+ Ke6 60. Qe8+ Kd6 61. f4 a5 62. Qd8+ Ke6 63. f5+ Ke5 64. g5 a4 65. Qa5+ Kd6 66. Qxa4 Kc7 67. Qa7+ Kc8 68. Qf7 Qc2 69. Qe8+ Kc7 70. Qe5+ Kc8 71. Kg7 Qd3 72. f6 Qd7+ 73. f7 Kb7 74. Kg8 1-0

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.16"]
[Round "2"]
[White "Choina, Michal"]
[Black "Lukasiewicz, Krzysztof"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1553"]
[BlackElo "1661"]
[PlyCount "102"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 dxc3 7. Nxc3 Nf6 8. Bg5 h6 9. Bh4 Bg4 10. Qb3 0-0 11. Be2 Rb8 12. Qc2 g5 13. Bg3 Bh5 14. Qd2 Re8 15. Nxg5 hxg5 16. Qxg5+ Bg6 17. Qh6 Ne5 18. h3 Re6 19. Kh1 Nxe4 20. Nxe4 Bxe4 21. Qd2 Qf6 22. f4 Qh6 23. Kh2 Rg6 24. Qd1 Nc6 25. Rc1 Kh8 26. Bf3 Bxf3 27. Rxf3 Rbg8 28. f5 Rg5 29. Rc4 Qg7 30. Rh4+ Qh7 31. Rxh7+ Kxh7 32. f6 Nd4 33. Qd3+ R8g6 34. Rf1 Rxg3 35. Qxg3 Rxg3 36. Kxg3 Kg6 37. a4 Nf5+ 38. Kf4 Bd4 39. g4 Be5+ 40. Kf3 Nd4+ 41. Ke4 Bxf6 42. Rf2 Ne6 43. Rc2 c6 44. b3 Ng5+ 45. Kd3 Nxh3 46. Ke4 Ng5+ 47. Ke3 d5 48. b4 Ne6 49. b5 c5 50. a5 Bd4+ 51. Kf3 c4 0-1

[Event "Solina Mind Sports U14 op"]
[Site "Solina"]
[Date "2012.04.15"]
[Round "1"]
[White "Drozdowski, Konrad"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1882"]
[BlackElo "1553"]
[PlyCount "126"]
[EventDate "2012.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 f5 7. f3 exf3 8. Qxf3 Qxd4 9. Be3 Qg4 10. Qf2 a6 11. Be2 Qg6 12. 0-0-0 Nc6 13. Bf3 Bd7 14. Bf4 Nf6 15. Bxc7 0-0 16. Qb6 Rfc8 17. Bd6 Be8 18. Qxb7 Qf7 19. Qxf7+ Bxf7 20. Na4 Nd7 21. Bf4 Ra7 22. Be3 Rb7 23. Rd6 Nde5 24. Nc5 Re7 25. Be2 a5 26. Ba6 Rcc7 27. Rhd1 h6 28. Na4 Rcd7 29. Bb5 Rxd6 30. Rxd6 Be8 31. Nc5 Kf7 32. Bf4 g5 33. Bd2 f4 34. Ne4 Kg6 35. Nc5 Kf5 36. Bc3 h5 37. Rd2 Na7 38. Bxe8 Rxe8 39. Nb7 Nb5 40. a4 Rb8 41. Bxe5 Kxe5 42. Nc5 Kf5 43. axb5 Rxb5 44. Nd7 e5 45. Rd6 e4 46. h3 g4 47. Rf6+ Kg5 48. h4+ Kxh4 49. Rxf4 Kg3 50. Rxe4 Kxg2 51. Nf6 g3 52. Kd2 Kg1 53. Re1+ Kh2 54. Re2+ g2 55. Ne4 Re5 56. Kd3 h4 57. c4 h3 58. c5 Rxe4 59. Kxe4 Kh1 60. Re1+ g1Q 61. Rxg1+ Kxg1 62. c6 h2 63. c7 h1Q+ 0-1

[Event "World School-ch U11 7th"]
[Site "Krakow"]
[Date "2011.05.03"]
[Round "4"]
[White "Choina, Michal"]
[Black "Amirzhanov, Rinat"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1605"]
[BlackElo "1867"]
[PlyCount "58"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nf3 Nf6 8. a3 Be7 9. h3 0-0 10. 0-0 b5 11. b4 Bb7 12. Re1 Nxb4 13. Bb2 Nxd3 14. cxd3 d5 15. e5 Nd7 16. d4 Nb6 17. Rc1 Nc4 18. Qb3 Qd7 19. Ne2 Rfc8 20. Ng3 Nxb2 21. Qxb2 Rxc1 22. Rxc1 Rc8 23. Rd1 Qc7 24. Qe2 Bxa3 25. Nh2 Qc2 26. Rd2 Qb1+ 27. Nhf1 b4 28. Rd3 Rc3 29. Rxc3 bxc3 0-1

[Event "World School-ch U11 7th"]
[Site "Krakow"]
[Date "2011.05.01"]
[Round "2"]
[White "Ozen, Bahadir"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1751"]
[BlackElo "1605"]
[PlyCount "43"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 Ngxe5 7. Nxe5 Nxe5 8. Be2 d6 9. Qc2 Nc6 10. a3 a6 11. b4 Ba7 12. Bb2 f6 13. Bh5+ g6 14. Nd5 Ne5 15. f4 gxh5 16. fxe5 dxe5 17. 0-0 0-0 18. Rad1 Bd7 19. c5 Qe8 20. Nxf6+ Rxf6 21. Rxf6 Ba4 22. Qc4+ 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.27"]
[Round "9"]
[White "Wozniak, Adam"]
[Black "Choina, Michal"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1494"]
[PlyCount "121"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Qd4 d6 10. Be2 Bd7 11. 0-0 Bxc3 12. Qxc3 0-0 13. Rfd1 Bc6 14. b4 b6 15. c5 Qf6 16. Bxe5 dxe5 17. b5 Bb7 18. c6 Bc8 19. Rd5 Re8 20. Rad1 h6 21. Rd7 Bxd7 22. cxd7 Red8 23. Qxc7 Qe7 24. Rd5 Qa3 25. Rxe5 Qxa2 26. Bf1 Qd2 27. Qxd8+ Rxd8 28. Re8+ Kh7 29. Rxd8 Qd6 30. Rc8 Qxd7 31. Rc1 Kg6 32. Ra1 Kg5 33. Ra4 f5 34. Rb4 Kf6 35. Rd4 Qc7 36. Rd5 g5 37. Rd4 Kg7 38. g3 Kf6 39. Rc4 Qd7 40. Rc6+ Kg7 41. Rc4 Kf6 42. Rd4 Qc7 43. Bd3 Qc1+ 44. Bf1 Qc7 45. h3 Kg7 46. Bd3 Qc1+ 47. Kg2 Qc5 48. Rd7+ Kf6 49. Rxa7 Qd5+ 50. Be4 Qxe4+ 51. Kh2 Qf3 52. Kg1 Qd1+ 53. Kh2 Qe2 54. Kg2 Qxb5 55. Rh7 Kg6 56. Re7 Qc6+ 57. Kh2 b5 58. e4 fxe4 59. h4 gxh4 60. Rxe4 Qxe4 61. gxh4 0-1

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.26"]
[Round "8"]
[White "Choina, Michal"]
[Black "Chmura, Wojciech"]
[Result "1-0"]
[ECO "C10"]
[BlackElo "1618"]
[PlyCount "107"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Nc3 Nf6 6. h3 Bb4 7. Bd2 Bf5 8. Bb5 Bd7 9. 0-0 0-0 10. a3 Bd6 11. Bg5 Be6 12. Bxc6 bxc6 13. Rb1 h6 14. Bh4 Be7 15. Re1 Nd7 16. Bxe7 Qxe7 17. Qd2 a6 18. Ne2 c5 19. Nf4 Rab8 20. Nxd5 Qd6 21. Nf4 cxd4 22. Nxe6 fxe6 23. Qxd4 Rbe8 24. Qxd6 cxd6 25. Rbd1 d5 26. Rd4 Kf7 27. Rb4 Rb8 28. Rxb8 Rxb8 29. b3 Rc8 30. Re2 Kf6 31. Rd2 Ne5 32. Nxe5 Kxe5 33. Kf1 a5 34. a4 d4 35. Ke2 Rc3 36. f3 Kd5 37. Kd1 e5 38. Rd3 e4 39. fxe4+ Kxe4 40. Rxc3 dxc3 41. Ke2 g6 42. b4 axb4 43. a5 Kd5 44. a6 Kc6 45. a7 Kb7 46. Kd3 Kxa7 47. Kc4 Kb7 48. Kxb4 Kc7 49. Kxc3 Kd6 50. Kd4 Ke6 51. c4 Kf5 52. c5 Kf4 53. c6 Kg3 54. c7 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.25"]
[Round "7"]
[White "Guzik, Jan"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1615"]
[PlyCount "43"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. h4 h6 9. Nf4 Qc7 10. Nxg6 fxg6 11. Ne4 Bf4 12. Qg4 Bxc1 13. Qxe6+ Kd8 14. Nd6 Ne7 15. Nf7+ Ke8 16. Nxh8 Bxb2 17. Rb1 Qa5+ 18. Kf1 Qd2 19. Nxg6 Ba3 20. Nxe7 Bxe7 21. Qc8+ Bd8 22. Re1+ 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.24"]
[Round "6"]
[White "Choina, Michal"]
[Black "Walter, Szymon"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1552"]
[PlyCount "94"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Nxd5 cxd5 9. Bd3 d6 10. exd6 Bxd6 11. h3 0-0 12. 0-0 e5 13. Be2 Be6 14. b3 f5 15. Kh1 f4 16. Bg4 Qf6 17. Bb2 Rad8 18. Qe2 Rde8 19. Rfe1 Bxg4 20. Qxg4 g6 21. Rad1 Qf7 22. c4 d4 23. Qf3 Bb4 24. Re2 h6 25. a3 Ba5 26. Qe4 Kh7 27. b4 Bc7 28. c5 Rd8 29. f3 h5 30. Bc1 Qd7 31. Qd3 Kg7 32. Rb2 Qd5 33. Qb3 g5 34. Qxd5 Rxd5 35. Rb3 Kf6 36. a4 Rb8 37. Ba3 Rxc5 38. b5 Rc4 39. Rb4 Rc2 40. Rb2 Rxb2 41. Bxb2 Kf5 42. Rc1 Bb6 43. Rc6 g4 44. Kg1 gxf3 45. gxf3 Rg8+ 46. Kf1 d3 47. Ke1 Be3 0-1

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.23"]
[Round "5"]
[White "Kurzepa, Bartlomiej"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1662"]
[PlyCount "97"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Nf6 4. b3 a6 5. Bb2 g6 6. Be2 Bg7 7. 0-0 0-0 8. Nc3 e6 9. a3 Bd7 10. Qe1 Re8 11. Na4 b6 12. Bc3 Nh5 13. Bxg7 Nxg7 14. Nb2 Ne7 15. Nd3 c5 16. Nde5 Nc6 17. Bd3 Nxe5 18. fxe5 Re7 19. Qh4 Nf5 20. Qh3 b5 21. g4 Ng7 22. Qh6 Nf5 23. gxf5 Qf8 24. Qxf8+ Rxf8 25. f6 Ree8 26. c4 bxc4 27. bxc4 dxc4 28. Bxc4 Bc6 29. Kf2 a5 30. Rab1 Rb8 31. Ba2 Rb5 32. Rxb5 Bxb5 33. Rc1 Rc8 34. d4 c4 35. Rc3 Rb8 36. Bxc4 Bc6 37. Rb3 Rc8 38. Nd2 h6 39. Ke2 Kh7 40. Kd3 g5 41. e4 Kg6 42. d5 exd5 43. exd5 Ba4 44. Rb2 Rd8 45. Kd4 h5 46. Ne4 g4 47. Bd3 Kh6 48. Nd6 Rf8 49. Rb8 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.22"]
[Round "4"]
[White "Klementowski, Dawid"]
[Black "Choina, Michal"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1644"]
[PlyCount "68"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 d6 4. d4 cxd4 5. Nxd4 a6 6. Nc3 Nf6 7. Bd3 Be7 8. 0-0 0-0 9. b3 Qc7 10. Bb2 e5 11. Nf3 Bg4 12. Rc1 Qd7 13. Nd5 Nxd5 14. cxd5 Qd8 15. h3 Bh5 16. Re1 Nd7 17. Qe2 h6 18. Rc2 Rc8 19. Rxc8 Qxc8 20. Rc1 Qb8 21. Ba3 Rc8 22. Qe3 Rxc1+ 23. Bxc1 Qc7 24. Bb2 Qa5 25. a3 Qc5 26. b4 Qxe3 27. fxe3 Bxf3 28. gxf3 b5 29. Bc2 Nb6 30. Bb3 Kh7 31. Kf2 Kg6 32. Kg3 Bg5 33. f4 exf4+ 34. exf4 Bd8 1/2-1/2

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.21"]
[Round "3"]
[White "Choina, Michal"]
[Black "Smolarczyk, Tomasz"]
[Result "1-0"]
[ECO "C56"]
[BlackElo "1571"]
[PlyCount "59"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Bd6 13. h3 Kb8 14. Bg5 Rdf8 15. Qe2 a6 16. Bd2 Re8 17. Re1 Ref8 18. Nxd4 Qc5 19. Nxc6+ Qxc6 20. c3 Qa4 21. a3 Qh4 22. Be3 h5 23. Bd4 b5 24. Bxg7 Rhg8 25. Bxf8 Qxh3 26. Re8+ Kb7 27. Qe4+ Kb6 28. Rb8+ Ka5 29. b4+ Ka4 30. Qc2+ 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.20"]
[Round "2"]
[White "Mockun, Dawid"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1675"]
[PlyCount "63"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. Nc3 b6 6. e3 Bb7 7. Be2 Nbd7 8. 0-0 0-0 9. a3 h6 10. Bh4 Re8 11. b4 dxc4 12. Bxf6 Nxf6 13. Bxc4 a6 14. Qe2 b5 15. Bb3 Nh7 16. Rfd1 c6 17. Ne4 Qc7 18. Rac1 Rac8 19. Ne5 Bd6 20. f4 Nf8 21. Qh5 Re7 22. Nxd6 Qxd6 23. f5 Rcc7 24. f6 gxf6 25. Ng4 Nh7 26. Nxh6+ Kh8 27. Rf1 Qd7 28. Rf3 Re8 29. Rh3 Kg7 30. Ng4 Kf8 31. Qxh7 Ke7 32. Qg7 1-0

[Event "POL-ch U12"]
[Site "Mielno"]
[Date "2011.03.19"]
[Round "1"]
[White "Choina, Michal"]
[Black "Fukowski, Pawel"]
[Result "1-0"]
[ECO "C56"]
[BlackElo "1611"]
[PlyCount "119"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d6 6. Nxd4 Ne5 7. Bb3 Be7 8. Nc3 0-0 9. f4 Bg4 10. Qe1 Nc6 11. Nxc6 bxc6 12. h3 Be6 13. f5 Bxb3 14. axb3 Re8 15. Qg3 Kh8 16. Qe3 a6 17. Qd3 a5 18. Qc4 d5 19. exd5 cxd5 20. Qb5 Bb4 21. Bg5 d4 22. Bxf6 gxf6 23. Nd1 Rb8 24. Qc4 Qe7 25. Kh1 Ra8 26. Qxd4 Rg8 27. Nf2 Bc5 28. Qh4 Bxf2 29. Qxf2 Qe5 30. c3 Qd5 31. c4 Qd3 32. Qf3 Qd4 33. Rf2 Rab8 34. Rd1 Qb6 35. Rd3 Rbd8 36. Rfd2 Rde8 37. Re2 Rxe2 38. Qxe2 Qc6 39. Rd5 Re8 40. Qd2 a4 41. bxa4 Qxc4 42. Rd4 Qf1+ 43. Kh2 Qxf5 44. Qf4 Qxf4+ 45. Rxf4 Kg7 46. Rc4 Rc8 47. b4 Kf8 48. b5 Ke7 49. b6 c5 50. Rxc5 Rb8 51. a5 Kd6 52. Rc7 Ra8 53. Ra7 Rb8 54. b7 Kc7 55. a6 h5 56. Kg3 Rg8+ 57. Kh2 Rg5 58. Ra8 Rb5 59. Rc8+ Kd7 60. b8Q 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.11"]
[Round "8"]
[White "Choina, Michal"]
[Black "Obara, Damian"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "46"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bd3 a6 8. Na3 Be6 9. Be3 d5 10. exd5 Nxd5 11. Nc4 Nxc3 12. bxc3 f5 13. Bb6 Qf6 14. Qd2 Be7 15. 0-0 e4 16. Be2 Bxc4 17. Bxc4 Ne5 18. Bb3 Qxb6 19. Ba4+ Nc6 20. Rab1 Qc7 21. Bb3 Rd8 22. Qe2 Na5 23. Be6 Qe5 0-1

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.10"]
[Round "7"]
[White "Szymanowicz, Maksymilian"]
[Black "Choina, Michal"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1586"]
[PlyCount "98"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 Ng6 10. Bg3 d6 11. 0-0 0-0 12. a3 Bxd2 13. Qxd2 Be6 14. Rac1 a6 15. Bf3 Rab8 16. Qa5 Rfe8 17. c5 Ne5 18. Bxe5 dxe5 19. c6 b5 20. Rfd1 Ra8 21. Rd2 h6 22. g3 Rf8 23. Rcd1 e4 24. Bxe4 Bb3 25. Bc2 Be6 26. Qc3 Bg4 27. Rc1 Bf3 28. Bd1 Be4 29. f3 Bf5 30. e4 Bh3 31. Be2 f5 32. Rd7 Qg5 33. f4 Qg6 34. e5 Kh8 35. Rxc7 Qe6 36. Rd1 Rad8 37. Rcd7 Rxd7 38. Rxd7 Rc8 39. Rd6 Qe7 40. Qc5 Rc7 41. Qd5 Kh7 42. Rd7 Rxd7 43. cxd7 Qd8 44. Qc6 Qb8 45. Kh1 Qg8 46. Bf3 Qa2 47. d8Q Qxb2 48. Qd1 Qxa3 49. e6 Qe7 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.09"]
[Round "6"]
[White "Choina, Michal"]
[Black "Orlowski, Kamil"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "77"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 Be6 7. d4 d5 8. Bf4 c5 9. Nb5 Na6 10. Be2 Ne4 11. 0-0 Bd7 12. Ne5 Be7 13. Nxd7 Qxd7 14. f3 Nd6 15. Bxd6 Bxd6 16. Nxd6+ Qxd6 17. Bb5+ Kd8 18. Bxa6 bxa6 19. dxc5 Qxc5+ 20. Kh1 Kc7 21. b3 Rad8 22. Qd2 Rd6 23. Qe2 Re6 24. Qd2 Rd6 25. Qf4 f6 26. Rfe1 Qc3 27. Re7+ Kc6 28. Rb1 Rd7 29. Rxd7 Kxd7 30. Qg4+ Kd6 31. Qxg7 Qxc2 32. Qxf6+ Kc5 33. Qe7+ Kc6 34. Re1 Kb5 35. Qb7+ Ka5 36. Qxd5+ Kb6 37. Re6+ Kc7 38. Re7+ Kb6 39. Rb7# 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.08"]
[Round "5"]
[White "Choina, Michal"]
[Black "Nowak, Lukasz"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1687"]
[PlyCount "61"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. Be2 Bg4 8. h3 Bh5 9. 0-0 Nc6 10. a3 Ba5 11. b4 Bb6 12. Be3 Ne4 13. Na4 Re8 14. c3 Ng3 15. fxg3 Rxe3 16. g4 Bg6 17. Qd2 Re6 18. Bd3 Bxd3 19. Qxd3 f6 20. Kh1 Qd7 21. c4 dxc4 22. Qxc4 Ne7 23. Rae1 Nd5 24. Qb3 Kh8 25. Nc5 Bxc5 26. Rxe6 Qxe6 27. dxc5 c6 28. g5 Qe3 29. Qxe3 Nxe3 30. Rc1 Nd5 31. gxf6 1/2-1/2

