[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.18"]
[Round "5"]
[White "Koziej, Maciej"]
[Black "Smykalo, Severyn"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1953"]
[BlackElo "1870"]
[PlyCount "79"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Qb6 4. Qc1 Bf5 5. Nf3 Nf6 6. c4 e6 7. c5 Qa5+ 8. Qc3 Qxc3+ 9. Nxc3 Nbd7 10. h3 Be7 11. g4 Bg6 12. Nh4 0-0 13. Nxg6 hxg6 14. Bg3 e5 15. dxe5 Nh7 16. e4 d4 17. 0-0-0 Bxc5 18. Na4 Rfd8 19. f4 b5 20. Nxc5 Nxc5 21. Bg2 Na4 22. h4 Rd7 23. Bf2 c5 24. g5 Nf8 25. Bf1 Rb8 26. f5 Re7 27. Bg3 Rb6 28. h5 Nd7 29. e6 fxe6 30. fxg6 e5 31. Bh3 Nf8 32. Rdf1 c4 33. Rf5 Nc5 34. Rhf1 Rb8 35. Rf7 Rbe8 36. Bf5 Nfe6 37. Bxe6 Nxe6 38. h6 Nxg5 39. Rxe7 Rxe7 40. Rf8+ 1-0

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.18"]
[Round "6"]
[White "Maj, Samuel"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1935"]
[BlackElo "1953"]
[PlyCount "75"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 Ne4 10. Nc3 g5 11. Bd2 f5 12. Qc1 g4 13. Ne1 Nxd2 14. Qxd2 dxc4 15. e4 Nb6 16. Nc2 e5 17. Rfd1 f4 18. dxe5 f3 19. Bf1 Qc7 20. a4 a5 21. e6 Bxe6 22. Nd4 Bd7 23. Qe3 Bf6 24. Nf5 Be6 25. h3 h5 26. Rd2 Rae8 27. Nd6 Re7 28. h4 Nd7 29. Bxc4 Bxc4 30. Nxc4 Ne5 31. Nxe5 Bxe5 32. Kh2 Rg7 33. Qh6 Bf4 34. gxf4 Rxf4 35. Qd6 g3+ 36. fxg3 Rxh4+ 37. gxh4 Rg2+ 38. Rxg2+ 1-0

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.17"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Smietanska, Wiktoria"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1953"]
[BlackElo "1868"]
[PlyCount "97"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 0-0 6. Be2 Nbd7 7. Bb2 Re8 8. 0-0 Ne4 9. c4 c6 10. cxd5 Nxd2 11. Nxd2 cxd5 12. Qb3 Nf6 13. b5 Bf5 14. Rfc1 Ne4 15. Nxe4 Bxe4 16. g4 g5 17. f3 Bg6 18. Rc5 e6 19. Rac1 Bf8 20. Rc7 Re7 21. Qc3 Qd6 22. Rxe7 Bxe7 23. a3 Bd8 24. Qc5 Qd7 25. a4 Ba5 26. Bc3 Bc7 27. Bb4 Bb6 28. Qe7 Qxe7 29. Bxe7 h6 30. Bb4 f5 31. a5 Bd8 32. a6 b6 33. Rc6 Kf7 34. h3 Kf6 35. gxf5 Bxf5 36. Kg2 Bg6 37. Bd6 Be8 38. Be5+ Kf7 39. Rc1 Bd7 40. f4 Rc8 41. Rxc8 Bxc8 42. Bb8 Kg6 43. fxg5 hxg5 44. Kg3 Bd7 45. Bd3+ Kh5 46. Be2+ Kg6 47. Bd3+ Kh5 48. Be2+ Kg6 49. Bd3+ 1/2-1/2

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.17"]
[Round "4"]
[White "Stepien, Jaroslaw"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1857"]
[BlackElo "1953"]
[PlyCount "100"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. 0-0 e6 13. Qg4 h5 14. Qe2 Qxd4 15. Nd2 Qg4 16. Nf3 Be7 17. Bd2 Bf6 18. Rac1 0-0 19. b3 Rac8 20. Rc5 Nd5 21. Rfc1 e5 22. h3 Qe6 23. Nh2 g6 24. Qa6 Ne7 25. Nf1 Rfd8 26. Be3 Rd7 27. Nd2 Bg7 28. Nc4 Rdc7 29. Na5 Kh7 30. Qe2 Nf5 31. Nc4 Nxe3 32. fxe3 e4 33. Na5 Bf8 34. R5c2 Ba3 35. Rd1 Bb4 36. Nc4 Rd7 37. Rxd7 Qxd7 38. a3 Be7 39. Rd2 Qe6 40. Qd1 Bc5 41. Qc2 a6 42. b4 Ba7 43. Kf1 c5 44. Nd6 Rc6 45. Nxe4 Qe5 46. Rf2 f5 47. Ng5+ Kg7 48. Qc4 Qxe3 49. h4 Qxf2+ 50. Kxf2 cxb4+ 0-1

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.16"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Pisarek, Jan"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1953"]
[BlackElo "1791"]
[PlyCount "109"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne2 Bg4 13. f3 Bh5 14. Bg5 Bg6 15. Re1 Qd6 16. b4 Rad8 17. Qd2 Rfe8 18. Ng3 Bxd3 19. Qxd3 Ne5 20. Qf5 d3 21. Bxf6 Qxf6 22. Qxf6 gxf6 23. cxd3 Nxd3 24. Rxe8+ Rxe8 25. Nh5 Rc8 26. Nxf6+ Kg7 27. Ne4 Rc2 28. Rd1 Nf4 29. Rd2 Rc1+ 30. Kf2 Ra1 31. Kg3 Ng6 32. Rd3 Ne5 33. Rc3 b5 34. Nd6 a6 35. f4 Nc4 36. Nxc4 bxc4 37. Kf3 Ra2 38. h4 h5 39. g3 Kf6 40. Ke3 Kf5 41. Kd4 Kg4 42. Kxc4 Rg2 43. a4 Ra2 44. Kb3 Re2 45. b5 axb5 46. axb5 Kf5 47. Kb4 Ke6 48. b6 Kd6 49. Kb5 Rb2+ 50. Ka6 Ra2+ 51. Kb7 Rb2 52. Ka7 Kd7 53. b7 Ra2+ 54. Kb8 f6 55. Rd3+ 1-0

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.16"]
[Round "2"]
[White "Pietrzak, Wojciech"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1773"]
[BlackElo "1953"]
[PlyCount "90"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c6 3. Nd2 d5 4. e3 Bf5 5. Ngf3 Qb6 6. Nh4 Be6 7. Bxf6 exf6 8. Bd3 Qxb2 9. 0-0 Nd7 10. Qe2 Qa3 11. f4 Nb6 12. Rab1 Be7 13. Rb3 Qd6 14. f5 Bd7 15. c4 dxc4 16. Bxc4 Nxc4 17. Nxc4 Qd5 18. Rxb7 c5 19. Rb3 g5 20. fxg6 hxg6 21. Nf3 Qh5 22. Qb2 0-0 23. Rb7 Rfd8 24. Ncd2 cxd4 25. exd4 Qd5 26. Re1 Bf8 27. Ne4 Bg7 28. Nc3 Qf5 29. d5 Qd3 30. Qb3 f5 31. Ne2 Qa6 32. Nf4 Ba4 33. Qb1 Bh6 34. Ne6 fxe6 35. Rxe6 Qxe6 36. dxe6 Rd1+ 37. Qxd1 Bxd1 38. Ne5 Re8 39. e7 Bg5 40. Nxg6 Bh5 41. Ne5 Rxe7 42. Rb8+ Kg7 43. Nc6 Rc7 44. Nb4 Be3+ 45. Kf1 Rc1# 0-1

[Event "World Amateur-ch U2000"]
[Site "Spoleto"]
[Date "2017.04.08"]
[Round "9"]
[White "Quijada, Leonardo"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1928"]
[BlackElo "1990"]
[PlyCount "92"]
[EventDate "2017.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nxc6 dxc6 9. 0-0 e5 10. a3 Bc5 11. h3 Be6 12. Bg5 h6 13. Be3 Nd7 14. b4 Bd4 15. Bxd4 exd4 16. Ne2 Ne5 17. Qc2 b5 18. cxb5 axb5 19. Rfd1 Qb6 20. Qc5 Qxc5 21. bxc5 Nxd3 22. Rxd3 Bc4 23. Rd2 Bxe2 24. Rxe2 Ke7 25. Rd2 Rhd8 26. Rd3 Ra4 27. Rad1 g5 28. g3 Ke6 29. f4 gxf4 30. gxf4 f5 31. exf5+ Kxf5 32. Re1 Rd5 33. Re8 Rxc5 34. Rf8+ Ke4 35. Rd1 Rxa3 36. Re1+ Kd5 37. f5 Rc2 38. f6 Rg3+ 39. Kh1 Rxh3+ 40. Kg1 Rg3+ 41. Kh1 Rf3 42. f7 Rcf2 43. Re7 Kc4 44. Rc7 Kd3 45. Rxc6 Rxf7 46. Rb8 Rc2 0-1

[Event "World Amateur-ch U2000"]
[Site "Spoleto"]
[Date "2017.04.07"]
[Round "8"]
[White "Koziej, Maciej"]
[Black "Mujacic, Haris"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1990"]
[BlackElo "1971"]
[PlyCount "63"]
[EventDate "2017.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. Qa4+ Bd7 5. Qxc4 Nf6 6. Nc3 Be7 7. e4 Bc6 8. Bd3 0-0 9. a4 b6 10. b4 a5 11. b5 Bb7 12. 0-0 c5 13. dxc5 Bxc5 14. e5 Nd5 15. Bg5 Be7 16. Bxh7+ Kxh7 17. Qh4+ Kg8 18. Nxd5 f6 19. Nxe7+ Qxe7 20. exf6 gxf6 21. Bh6 Rf7 22. Qg4+ Kh7 23. Qh3 Kg8 24. Rfe1 Bd5 25. Nd4 e5 26. Nf5 Qe6 27. Re3 Rh7 28. Rg3+ Kh8 29. Bg7+ Kg8 30. Bxf6+ Kf7 31. Qxh7+ Kxf6 32. Qg6# 1-0

[Event "World Amateur-ch U2000"]
[Site "Spoleto"]
[Date "2017.04.06"]
[Round "7"]
[White "Siemer, Tambet"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1960"]
[BlackElo "1990"]
[PlyCount "130"]
[EventDate "2017.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Nbd2 b5 8. a4 c6 9. e4 Bb7 10. Qc2 Na6 11. b3 Nb4 12. Qc3 cxb3 13. Qxb3 a5 14. Bb2 Qb6 15. Rfc1 Rfd8 16. e5 Nd7 17. h4 c5 18. axb5 Bd5 19. Qe3 Qxb5 20. Bf1 cxd4 21. Bxd4 Qb7 22. Ng5 Rdc8 23. Nc4 h6 24. Nh3 a4 25. Nf4 Be4 26. Na5 Rxa5 27. Rxc8+ Qxc8 28. Qxe4 Qc6 29. Qe2 Nc2 30. Bg2 Nxd4 31. Bxc6 Nxe2+ 32. Nxe2 Nxe5 33. Bxa4 Nd3 34. Rd1 Nxf2 35. Kxf2 Rxa4 36. Rd7 Bc5+ 37. Kg2 Ra2 38. Kf3 Ra3+ 39. Kg2 Ra2 40. Kf3 e5 41. Nc1 Rc2 42. Nd3 f5 43. Nxc5 Rxc5 44. h5 Rc3+ 45. Kf2 Rc8 46. Re7 Rc5 47. Ra7 Rd5 48. Ke3 Rd4 49. Ra5 Re4+ 50. Kf3 Kf7 51. Ra7+ Kf6 52. Ra6+ Kg5 53. Rg6+ Kxh5 54. Rxg7 Rg4 55. Ra7 e4+ 56. Kf2 Rg6 57. Ra8 Kg4 58. Kg2 h5 59. Rh8 Rg5 60. Rh7 Rg8 61. Rh6 Kg5 62. Rh7 Ra8 63. Rg7+ Kf6 64. Rh7 Ra2+ 65. Kf1 e3 0-1

[Event "World Amateur-ch U2000"]
[Site "Spoleto"]
[Date "2017.04.05"]
[Round "6"]
[White "Koziej, Maciej"]
[Black "Celik, Berkay"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1990"]
[BlackElo "1957"]
[PlyCount "91"]
[EventDate "2017.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 0-0 5. d4 c6 6. Be2 d5 7. 0-0 Bg4 8. c4 Ne4 9. h3 Be6 10. Nbd2 f5 11. Qc2 Nd7 12. Rac1 h6 13. Rfd1 g5 14. Ne5 Nxe5 15. dxe5 Qb6 16. Nf1 f4 17. cxd5 cxd5 18. Bd4 Qd8 19. f3 Ng3 20. Nxg3 fxg3 21. Qc7 b6 22. Ba6 Qe8 23. Bb7 Rd8 24. Bc6 Qh5 25. Qxe7 Bxh3 26. gxh3 Qxf3 27. Rd2 Rc8 28. Qe6+ Kh8 29. Ra1 Rxc6 30. Qxc6 g4 31. Qe6 h5 32. hxg4 hxg4 33. Qg6 Rf5 34. Rc1 Rf8 35. Qh5+ Kg8 36. Qh1 Qf7 37. Qg2 Qe6 38. Rf1 Rxf1+ 39. Kxf1 Qf5+ 40. Kg1 Qb1+ 41. Qf1 Qg6 42. Rg2 Bh6 43. Rxg3 Qe4 44. Qd1 Kf7 45. Qxg4 Qb1+ 46. Kh2 1-0

[Event "World Amateur-ch U2000"]
[Site "Spoleto"]
[Date "2017.04.04"]
[Round "5"]
[White "Cardinali, Egidio"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1944"]
[BlackElo "1990"]
[PlyCount "66"]
[EventDate "2017.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 d5 4. e5 Qc7 5. f4 Bf5 6. Bb5+ Nd7 7. Bxd7+ Qxd7 8. axb4 e6 9. Ne2 Bxb4 10. c3 Be7 11. Ng3 Bg6 12. 0-0 Nh6 13. Ba3 0-0 14. Bxe7 Qxe7 15. Na3 f6 16. exf6 Qxf6 17. Nc2 Qh4 18. Nd4 Rxf4 19. Rxf4 Qxf4 20. Nxe6 Qd6 21. Nd4 a5 22. Qb3 b6 23. Nge2 Ng4 24. g3 Be4 25. Nf4 g5 26. Re1 Re8 27. Nf5 Qc5+ 28. d4 Qc4 29. Qxc4 dxc4 30. Nh5 Bc6 31. Re7 Kf8 32. Rxe8+ Bxe8 33. Nd6 Bxh5 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2016.12.17"]
[Round "2"]
[White "Koziej, Maciej"]
[Black "Riazantsev, Alexander"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1990"]
[BlackElo "2671"]
[PlyCount "65"]
[EventDate "2016.12.17"]
[EventType "swiss (blitz)"]
[EventRounds "26"]
[EventCountry "EST"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. f4 g6 7. Nf3 Bf5 8. Be2 Bg7 9. 0-0 0-0 10. Ne5 Qc7 11. Nd2 Ne4 12. g4 Nxd2 13. Bxd2 Be4 14. Bf3 Bxf3 15. Qxf3 Rad8 16. Nxc6 bxc6 17. f5 c5 18. Be3 Qb6 19. Qf2 cxd4 20. Bxd4 Bxd4 21. Qxd4 Qxb2 22. f6 exf6 23. Qxf6 Rde8 24. Rab1 Qxa2 25. Rb7 Re2 26. Rf2 Rxf2 27. Qxf2 Qxf2+ 28. Kxf2 Ra8 29. Rd7 a5 30. Rxd5 a4 31. Rd2 a3 32. Ra2 Kf8 33. Ke3 0-1

[Event "POL-ch U26 rapid"]
[Site "Hucisko"]
[Date "2016.01.15"]
[Round "6"]
[White "Piesik, Piotr"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2292"]
[BlackElo "1997"]
[PlyCount "85"]
[EventDate "2016.01.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. c3 e6 4. Nbd2 d5 5. Ne5 Bd6 6. Ndf3 0-0 7. Bf4 Ne4 8. h4 c5 9. e3 Nc6 10. Be2 Bd7 11. dxc5 Bxc5 12. Nd4 Nxd4 13. exd4 Be7 14. g3 b5 15. f3 Nf6 16. Nd3 Nh5 17. Be5 Rc8 18. Kf2 a5 19. a3 Qb6 20. Qd2 Be8 21. Kg2 Bg6 22. b4 axb4 23. axb4 Bd6 24. Ra5 f4 25. Nxf4 Nxf4+ 26. gxf4 Bxe5 27. fxe5 Ra8 28. Rha1 Rxa5 29. bxa5 Qd8 30. Kg3 Bh5 31. Qg5 Qe8 32. a6 h6 33. Qe3 Qg6+ 34. Kf2 Qg4 35. Ke1 Qxh4+ 36. Kd2 b4 37. cxb4 Qe7 38. Qc3 Qa7 39. Qc5 Qf7 40. Ra3 Qf4+ 41. Re3 Qg3 42. a7 Bxf3 43. Qxf8+ 1-0

[Event "EU-ch rapid"]
[Site "Minsk"]
[Date "2015.12.19"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Zhigalko, Sergei"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1997"]
[BlackElo "2655"]
[PlyCount "141"]
[EventDate "2015.12.19"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "BLR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Ne7 13. a4 bxa4 14. Rxa4 Nxd5 15. Qxd5 Be6 16. Qd1 Qb6 17. Rb4 Qc5 18. Be2 0-0 19. 0-0 a5 20. Rb5 Qc6 21. Qd3 Rfb8 22. Ra1 Bd8 23. c4 Bb6 24. Ne3 Bd4 25. Raxa5 Rxb5 26. Rxa8+ Qxa8 27. cxb5 Qa1+ 28. Bf1 Qxb2 29. Qc2 Qxc2 30. Nxc2 Bc5 31. Ne3 Kf8 32. Nd5 f5 33. Nc7 Bc8 34. Bd3 g6 35. Kf1 Ke7 36. f3 Kd8 37. Nd5 Be6 38. Bc4 h5 39. Ke2 h4 40. h3 Bc8 41. Kd3 g5 42. Kc3 g4 43. fxg4 fxg4 44. hxg4 Bxg4 45. Kd2 Kc8 46. Be2 Be6 47. Kc3 Kb7 48. Kb3 Bf7 49. Ka4 Bg6 50. Bf3 Bd4 51. Kb4 Be8 52. Kc4 Bd7 53. Kb4 Bc5+ 54. Kc4 Be6 55. Kb3 Kc8 56. Kc4 Kd8 57. Kb3 Bd7 58. Ka4 Kc8 59. Ne7+ Kb7 60. Nd5 Be6 61. Kb3 Bd4 62. Kc4 Kc8 63. Kb4 Bc5+ 64. Ka5 Kd8 65. Be2 Kc8 66. b6 Bxd5 67. exd5 e4 68. Ba6+ Kb8 69. Kb5 e3 70. Kc6 Bb4 71. Be2 1/2-1/2

[Event "EU-ch blitz"]
[Site "Minsk"]
[Date "2015.12.18"]
[Round "1.2"]
[White "Koziej, Maciej"]
[Black "Navara, David"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1997"]
[BlackElo "2730"]
[PlyCount "84"]
[EventDate "2015.12.18"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "BLR"]
[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 Nc6 5. Nc3 a6 6. f4 Qc7 7. Nf3 Bc5 8. Bd3 d6 9. Qe2 b5 10. Be3 Nge7 11. 0-0 Qa7 12. Bxc5 dxc5 13. Qf2 c4 14. Be2 Ng6 15. g3 Qxf2+ 16. Kxf2 Bb7 17. a4 b4 18. Nd1 Na5 19. e5 0-0 20. Ne3 Rac8 21. Rfd1 Rc7 22. Rd4 Rfc8 23. Rad1 Kf8 24. Rd7 Ke8 25. Rxc7 Rxc7 26. Rd4 c3 27. b3 Nc6 28. Rd6 Nge7 29. Nc4 Nf5 30. g4 Nxd6 31. Nxd6+ Ke7 32. Nxb7 Rxb7 33. Bxa6 Rb8 34. Bb5 Na5 35. Nd4 Rd8 36. Ke3 f6 37. exf6+ gxf6 38. g5 fxg5 39. fxg5 e5 40. Nf5+ Ke6 41. Ke4 Rd2 42. Ne3 Rxh2 0-1

[Event "EU-ch blitz"]
[Site "Minsk"]
[Date "2015.12.18"]
[Round "2.2"]
[White "Navara, David"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2730"]
[BlackElo "1997"]
[PlyCount "55"]
[EventDate "2015.12.18"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "BLR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Bf4 c6 6. Nd2 Be7 7. Ngf3 0-0 8. 0-0 Nbd7 9. Ng5 Nb8 10. Qc2 Ng4 11. Ngf3 g5 12. Bxb8 Rxb8 13. Rab1 Qe8 14. b4 Bd7 15. h3 Nh6 16. Ne5 Nf7 17. Nxd7 Qxd7 18. b5 cxb5 19. Rxb5 Nd6 20. Rb3 dxc4 21. Nxc4 Rfc8 22. Rc3 Nb5 23. Qa4 a6 24. Nb6 Qd8 25. Rxc8 Rxc8 26. Nxc8 Qxc8 27. e3 Qc3 28. Bxb7 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.12"]
[Round "8.95"]
[White "Sukiennik, Marek"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1963"]
[BlackElo "1985"]
[PlyCount "54"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Nowy Sacz Sandecja"]
[BlackTeam "Victoria Komplexbud"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bf4 Bb4 5. f3 0-0 6. e3 d6 7. Bd3 c5 8. Nge2 Nc6 9. Bg3 e5 10. d5 Ne7 11. Qc2 a6 12. 0-0 Qe8 13. a3 Ba5 14. Rab1 Qh5 15. Bf2 Bc7 16. b4 Nd7 17. Ng3 Qg5 18. e4 f4 19. Nf5 Nxf5 20. exf5 b5 21. Ne4 Qh5 22. g4 fxg3 23. hxg3 Rxf5 24. Nxc5 Qh3 25. Ne6 e4 26. Nxc7 Ne5 27. Bxe4 Rf8 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.11"]
[Round "7.77"]
[White "Koziej, Maciej"]
[Black "Szczygiel, Konrad"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1985"]
[BlackElo "1815"]
[PlyCount "44"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Victoria Komplexbud"]
[BlackTeam "Siedlce KSz Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Bb4 7. h4 Be4 8. Rh3 h5 9. g5 Bf5 10. Rg3 Ne7 11. Nf4 g6 12. a3 Ba5 13. Be2 Nd7 14. b4 Bc7 15. Na4 Nxe5 16. dxe5 Bxe5 17. Ra2 Qc7 18. Qd2 a5 19. b5 0-0 20. b6 Qd6 21. Rb3 c5 22. c4 Nc6 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.10"]
[Round "6.53"]
[White "Kanarkiewicz, Michal"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2077"]
[BlackElo "1985"]
[PlyCount "98"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Debica Gryf"]
[BlackTeam "Victoria Komplexbud"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 g6 6. g3 Bg7 7. Bg2 Qa6 8. Bf4 c6 9. Qd2 0-0 10. Bh6 Bxh6 11. Qxh6 Bf5 12. h4 Bxc2 13. h5 Nbd7 14. hxg6 Bxg6 15. Ne5 Nxe5 16. dxe5 Nd5 17. Qd2 Nxc3 18. Qxc3 Rfd8 19. Bf1 Qb6 20. Be2 Qd4 21. Qxd4 Rxd4 22. Rd1 Rad8 23. 0-0 Rxd1 24. Rxd1 Rxd1+ 25. Bxd1 f6 26. exf6 exf6 27. f4 Kf8 28. Kf2 Ke7 29. Ke3 c5 30. g4 h6 31. Bf3 b6 32. Kd2 Kd6 33. Kc3 Bf7 34. a3 Bd5 35. Be2 Be4 36. Kd2 Kc6 37. Ke3 Bd5 38. Bd3 c4 39. Be2 Kc5 40. Bd1 b5 41. Be2 a5 42. Bd1 Bc6 43. Bc2 Bd7 44. Bd1 Be6 45. Ke4 b4 46. axb4+ axb4 47. Be2 c3 48. bxc3 bxc3 49. Bd1 Bxg4 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.09"]
[Round "5.83"]
[White "Koziej, Maciej"]
[Black "Smagalski, Jaroslaw"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1985"]
[BlackElo "1889"]
[PlyCount "74"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Victoria Komplexbud"]
[BlackTeam "Konin Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. f4 Nc6 2. Nf3 d5 3. e3 Nf6 4. d4 Bg4 5. c4 e6 6. Nc3 Bb4 7. Be2 0-0 8. 0-0 a6 9. h3 Bxf3 10. Bxf3 Qd7 11. Qd3 Be7 12. Bd2 Rad8 13. Rad1 Nb4 14. Qe2 dxc4 15. Qxc4 b5 16. Qe2 c5 17. dxc5 Bxc5 18. Ne4 Qe7 19. Nxc5 Qxc5 20. a3 Nbd5 21. Kh1 Rfe8 22. e4 Ne7 23. Bb4 Qc7 24. Qe3 Ng6 25. e5 Nd5 26. Bxd5 exd5 27. Qf3 Qc2 28. Rxd5 Qxb2 29. Bd6 Qa2 30. Rfd1 Rc8 31. f5 Nh4 32. Qg4 Rc4 33. R5d4 Rxd4 34. Rxd4 Nxf5 35. Rf4 Nxd6 36. exd6 Qa1+ 37. Kh2 Qe5 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.08"]
[Round "4.53"]
[White "Koziej, Maciej"]
[Black "Krasiewicz, Robert"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1985"]
[BlackElo "2027"]
[PlyCount "104"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Victoria Komplexbud"]
[BlackTeam "Zielonka Zieloni"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Bg5 Nbd7 5. Qd2 h6 6. Bxf6 Nxf6 7. g3 e6 8. Bg2 Be7 9. Nh3 e5 10. e3 c6 11. 0-0 0-0 12. Rfd1 Qe8 13. b4 g5 14. f4 gxf4 15. gxf4 e4 16. Kh1 Qh5 17. Nf2 Bd7 18. Rg1 Kh8 19. Qe2 Qh4 20. Bh3 Rg8 21. Rxg8+ Rxg8 22. Rg1 d5 23. Rxg8+ Kxg8 24. c5 h5 25. Kg1 Ng4 26. Ncd1 Kf7 27. Qb2 Qf6 28. Qa3 a6 29. Qb2 Bd8 30. Qe2 Qh4 31. Qf1 Bc7 32. Qg2 a5 33. a3 axb4 34. axb4 b6 35. Qg3 Qxg3+ 36. hxg3 bxc5 37. Bxg4 fxg4 38. dxc5 Bd8 39. Nc3 Bf6 40. Nfd1 Bc8 41. Ne2 Ba1 42. Nd4 Bd7 43. Nb3 Bf6 44. Nd4 Ke7 45. Nc3 Bxd4 46. exd4 Ke6 47. Kf2 Be8 48. Nd1 Bd7 49. Ne3 Bc8 50. Ng2 Ba6 51. Ke3 Kf6 52. Nh4 Bc8 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.07"]
[Round "3.89"]
[White "Herman, Monika"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1735"]
[BlackElo "1985"]
[PlyCount "68"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Warszawa Skoczek Trojanski"]
[BlackTeam "Victoria Komplexbud"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 cxd4 6. exd4 Nd5 7. Bg3 Be7 8. Bd3 f5 9. Ne5 Nxe5 10. Bxe5 0-0 11. h3 d6 12. Bh2 Bd7 13. Nd2 b5 14. Qe2 Qb6 15. g4 Bf6 16. Rg1 Rfe8 17. g5 Be7 18. Qh5 g6 19. Qd1 Bf8 20. Qb3 a5 21. a3 Rac8 22. Ke2 a4 23. Qa2 Rxc3 24. Rac1 Rxc1 25. Rxc1 Qxd4 26. Nf3 Qb6 27. Kf1 Rc8 28. Re1 b4 29. Qa1 bxa3 30. bxa3 Rc3 31. Rb1 Rb3 32. Rd1 Bg7 33. Qc1 Rc3 34. Qd2 Rxd3 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.06"]
[Round "2.65"]
[White "Koziej, Maciej"]
[Black "Tustanowski, Mateusz"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1985"]
[BlackElo "1922"]
[PlyCount "81"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Victoria Komplexbud"]
[BlackTeam "Prudnik LKS Zarzewie"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. f4 Ng6 8. e5 Qe7 9. Be2 0-0 10. 0-0 b6 11. exd6 Qxd6 12. f5 Ne7 13. Bf4 Qc6 14. Bb5 Qb7 15. Bg5 Ned5 16. Rf3 Nxc3 17. bxc3 Ne4 18. Be7 Re8 19. f6 Qd5 20. c4 Qg5 21. Qd3 Qg6 22. Raf1 c6 23. Ba4 Ba6 24. d5 b5 25. cxb5 cxb5 26. Bb3 Rxe7 27. fxe7 b4 28. Bc4 Bxc4 29. Qxc4 Nd2 30. Qc7 Nxf3+ 31. Rxf3 Qb6+ 32. Qxb6 axb6 33. Re3 Re8 34. axb4 d6 35. c4 f6 36. c5 bxc5 37. bxc5 dxc5 38. d6 Kf7 39. d7 Rxe7 40. Rd3 c4 41. Rd1 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.05"]
[Round "1.59"]
[White "Kaim, Piotr"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2195"]
[BlackElo "1985"]
[PlyCount "73"]
[EventDate "2015.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Warszawa YMCA"]
[BlackTeam "Victoria Komplexbud"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 a6 3. g3 e6 4. d3 Nc6 5. Bg2 Nf6 6. 0-0 d5 7. Nbd2 Be7 8. Re1 0-0 9. e5 Nd7 10. Nf1 b5 11. h4 Re8 12. N1h2 f6 13. exf6 Nxf6 14. Bf4 Bd6 15. Ne5 Nxe5 16. Bxe5 Bxe5 17. Rxe5 Qd6 18. Qe2 Ra7 19. Re1 Rae7 20. Bh3 h6 21. Nf3 d4 22. Nd2 Kh8 23. f4 Bb7 24. Bg2 Bxg2 25. Qxg2 Nd7 26. R5e2 e5 27. f5 Nf6 28. Ne4 Qd5 29. g4 Nxe4 30. Qxe4 Qxa2 31. b3 Qa5 32. Rf1 Qd8 33. g5 Rf7 34. Rg2 Qa8 35. Qg4 Qc6 36. Qh5 Rc7 37. gxh6 1-0

[Event "Rubinstein Memorial op 51st"]
[Site "Polanica Zdroj"]
[Date "2015.08.27"]
[Round "6"]
[White "Luba, Lukasz"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2139"]
[BlackElo "1985"]
[PlyCount "95"]
[EventDate "2015.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e3 Nf6 2. d4 d5 3. c4 c6 4. Nc3 a6 5. c5 Nbd7 6. b4 e5 7. Nf3 e4 8. Nd2 Be7 9. a4 0-0 10. Nb3 Ne8 11. Bd2 f5 12. Qc2 Nc7 13. 0-0-0 Ne6 14. f4 b6 15. Be2 a5 16. b5 bxc5 17. bxc6 Nf6 18. Nb5 c4 19. Nxa5 Rxa5 20. Bxa5 Qxa5 21. Bxc4 dxc4 22. Qxc4 Ng4 23. Rhe1 Nf2 24. d5 Nd3+ 25. Kb1 Nec5 26. Re2 Bf6 27. Ra2 Qb4+ 28. Qxb4 Nxb4 29. Rc2 Nxc2 30. Kxc2 Nxa4 31. Kb3 Nc5+ 32. Kb4 Nd3+ 33. Ka5 Bd8+ 34. c7 Bf6 35. Kb6 Kf7 36. g4 g6 37. g5 Bb2 38. h4 Bc1 39. Nd6+ Ke7 40. Nc4 Bd7 41. h5 Ba4 42. Rh1 Bb3 43. hxg6 Bxc4 44. Kc6 Bxd5+ 45. Kxd5 Kd7 46. Rxh7+ Kc8 47. g7 Re8 48. Rh8 1-0

[Event "Rubinstein Memorial op 51st"]
[Site "Polanica Zdroj"]
[Date "2015.08.26"]
[Round "5"]
[White "Koziej, Maciej"]
[Black "Rozycki, Bartlomiej"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "1985"]
[BlackElo "2169"]
[PlyCount "42"]
[EventDate "2015.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. g5 Nfd7 10. a3 Be7 11. h4 Nc6 12. f4 0-0 13. Be3 Nxd4 14. Qxd4 e5 15. Qd2 exf4 16. Bxf4 Ne5 17. Bxe5 dxe5 18. Qxd8 Raxd8 19. Ke2 Bc5 20. Nd5 f5 21. gxf6 gxf6 0-1

[Event "Rubinstein Memorial op 51st"]
[Site "Polanica Zdroj"]
[Date "2015.08.25"]
[Round "4"]
[White "Semerak, Pavel"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2080"]
[BlackElo "1985"]
[PlyCount "92"]
[EventDate "2015.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nd2 d5 5. Ndf3 Bd6 6. Ne5 c5 7. c3 cxd4 8. cxd4 Bxe5 9. dxe5 Ng4 10. Nf3 Nc6 11. Bf4 Qb6 12. 0-0 Qxb2 13. h3 Nh6 14. Ne1 Nf7 15. Nd3 Qa3 16. Bc1 Qa5 17. f4 0-0 18. a4 Bd7 19. Ba3 Rfb8 20. Rb1 Qd8 21. Qd2 b6 22. Bb4 Rc8 23. Rfc1 Nxb4 24. Qxb4 Rxc1+ 25. Rxc1 Rc8 26. Rxc8 Qxc8 27. a5 Qd8 28. a6 Qf8 29. Kf2 Nd8 30. e3 Nc6 31. Qd6 Qc8 32. Bf1 Kf7 33. g4 fxg4 34. hxg4 Be8 35. f5 Qd7 36. Bg2 Qxd6 37. exd6 Bd7 38. Kg3 Kf6 39. Kf4 exf5 40. Bxd5 g5+ 41. Kg3 Ne5 42. Nb4 fxg4 43. Bg8 h5 44. Nd5+ Kg7 45. Nxb6 Kxg8 46. Nxd7 Nxd7 0-1

[Event "Rubinstein Memorial op 51st"]
[Site "Polanica Zdroj"]
[Date "2015.08.22"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Sabuk, Piotr"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1985"]
[BlackElo "2340"]
[PlyCount "112"]
[EventDate "2015.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Qd2 0-0 8. 0-0-0 Re8 9. f3 d5 10. Bb5 Bd7 11. exd5 Nxd4 12. Bxd4 Bxb5 13. Nxb5 Qxd5 14. Nxc7 Qxa2 15. c3 Rac8 16. Nxe8 Nd5 17. b4 Qa1+ 18. Kc2 Qa2+ 19. Kc1 Qa1+ 20. Kc2 Qa4+ 21. Kb2 Rxc3 22. Qxc3 Nxc3 23. Kxc3 Qxe8 24. Bxg7 Kxg7 25. Rhe1 Qa4 26. Rd2 a5 27. bxa5 Qxa5+ 28. Kd3 Qd5+ 29. Kc2 Qc4+ 30. Kd1 Qa4+ 31. Ke2 Qc4+ 32. Kf2 Qh4+ 33. Kf1 Qxh2 34. Re4 Qc7 35. Rb4 Qc1+ 36. Ke2 b6 37. Rdb2 Qg1 38. Kd3 Kf6 39. Rxb6+ Kg5 40. R6b5+ f5 41. Rb7 h5 42. R7b6 Qf1+ 43. Kd4 h4 44. Ke5 h3 45. gxh3 Qxf3 46. R2b3 Qe4+ 47. Kd6 f4 48. R6b4 Qe8 49. Rd4 Qf8+ 50. Kc6 f3 51. Rg4+ Kh5 52. Rb5+ Kh6 53. Rh4+ Kg7 54. Rb7+ Kg8 55. Rbh7 Qf6+ 56. Kd5 f2 0-1

[Event "Trzcianka Dziedzic Memorial 5th"]
[Site "Trzcianka"]
[Date "2015.04.19"]
[Round "2"]
[White "Koziej, Maciej"]
[Black "Hracek, Zbynek"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2022"]
[BlackElo "2631"]
[PlyCount "70"]
[EventDate "2015.04.19"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 Nf6 3. c4 Bb4+ 4. Nc3 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. a4 Nc6 10. Ba3 Na5 11. Nd2 Bxg2 12. Kxg2 c5 13. e4 Rc8 14. d5 Re8 15. Qf3 Rc7 16. Qd3 Rce7 17. dxe6 Rxe6 18. Rfe1 d5 19. cxd5 Nxd5 20. Qc2 Qc8 21. c4 Ne7 22. Bb2 Nac6 23. Nf3 Rh6 24. h4 Ng6 25. Qc3 f6 26. Rad1 Qg4 27. Kf1 Rh5 28. Rd5 Nge5 29. Nxe5 Rhxe5 30. Rxe5 Nxe5 31. Re3 Qh3+ 32. Kg1 Ng4 33. Rf3 Rxe4 34. Qd2 Qh2+ 35. Kf1 Qh1# 0-1

[Event "POL-ch U26"]
[Site "Zabrze"]
[Date "2015.01.10"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Piesik, Piotr"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2043"]
[BlackElo "2256"]
[PlyCount "82"]
[EventDate "2015.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc6 5. Nf3 Bc5 6. Bc4 d6 7. Nc3 Nf6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Re8 11. Bg5 Nxe5 12. 0-0-0+ Bd7 13. Nxe5 Rxe5 14. Bxf6+ gxf6 15. Bxf7 Ke7 16. Bd5 c6 17. Bf3 Bf5 18. Rhe1 Be3+ 19. Kb1 Rd8 20. Rxd8 Kxd8 21. Nd1 Bd4 22. Rxe5 fxe5 23. Kc1 e4 24. Be2 Ke7 25. Kd2 Bg1 26. h3 Bh2 27. Ke3 Ke6 28. g4 Bg6 29. Nc3 Ke5 30. Bc4 Bg1+ 31. Ke2 Kf4 32. Kf1 Bc5 33. Ne2+ Kf3 34. Be6 Be3 35. h4 h6 36. Bc8 b6 37. Bd7 c5 38. Be6 Bf2 39. h5 Be8 40. Bf5 Be3 41. c3 Bb5 0-1

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.30"]
[Round "7"]
[White "Koziej, Maciej"]
[Black "Polkowski, Piotr"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2030"]
[BlackElo "2194"]
[PlyCount "35"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nc6 3. d5 Ne5 4. f4 Ng6 5. Nf3 e5 6. f5 N6e7 7. Nc3 g6 8. fxg6 hxg6 9. Bb5+ Bd7 10. Qe2 a6 11. Bc4 f6 12. Be3 Bh6 13. 0-0-0 b5 14. Bb3 b4 15. Nb1 Bb5 16. Qd2 a5 17. c4 Bd7 18. a4 1/2-1/2

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.30"]
[Round "6"]
[White "Koziej, Maciej"]
[Black "Stoma, Pawel"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2030"]
[BlackElo "2314"]
[PlyCount "90"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 c6 2. c4 Nf6 3. Nc3 d5 4. Nf3 a6 5. c5 Bf5 6. Qb3 Qc8 7. Bf4 Nbd7 8. h3 h6 9. e3 e6 10. Be2 Be7 11. Bh2 Bd8 12. 0-0 Bc7 13. Bxc7 Qxc7 14. Rac1 0-0 15. Rfd1 Rfe8 16. Na4 Re7 17. Bd3 Ne4 18. Nh4 Bh7 19. f3 Ng3 20. Bxh7+ Kxh7 21. Qd3+ f5 22. f4 g5 23. fxg5 hxg5 24. Nf3 Rg8 25. Nc3 g4 26. hxg4 Rxg4 27. Ne2 Kg8 28. Rc2 Nh5 29. Kf2 Reg7 30. Rg1 Qd8 31. g3 Ndf6 32. Ne5 Ne4+ 33. Ke1 Qa5+ 34. Nc3 Rxg3 35. Rxg3 Rxg3 36. Rh2 Rg1+ 37. Ke2 Nhg3+ 38. Kf3 Rf1+ 39. Kg2 Rf2+ 40. Kg1 Rxh2 41. Kxh2 Qd8 42. Nxe4 Qh4+ 43. Kg2 Nxe4 44. Qe2 Qg5+ 45. Kh2 Qg3+ 0-1

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.29"]
[Round "4"]
[White "Koziej, Maciej"]
[Black "Topolan, Agata"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2030"]
[BlackElo "1524"]
[PlyCount "34"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 Nc6 6. d5 Ne5 7. f4 Ng6 8. f5 Ne5 9. Bf4 Qd6 10. Qd4 Nd3+ 11. Bxd3 Qxf4 12. Nge2 Qd6 13. Nb5 Qd7 14. a4 a6 15. Nbc3 Qd6 16. e5 Qh6 17. e6 fxe6 1-0

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.29"]
[Round "5"]
[White "Lipski, Tadeusz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1959"]
[BlackElo "2030"]
[PlyCount "40"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 f5 2. g4 fxg4 3. Nc3 d5 4. h3 g3 5. fxg3 Nf6 6. Bf4 Bf5 7. g4 Bg6 8. Nf3 Nc6 9. Bg2 e6 10. 0-0 Bd6 11. Ne5 Nxe5 12. dxe5 Bc5+ 13. Kh2 Ne4 14. Bxe4 dxe4 15. Qe1 h5 16. g5 0-0 17. Qg3 Qd4 18. Nb5 Qc4 19. Nxc7 Rac8 20. Nxe6 Qxe6 0-1

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.28"]
[Round "2"]
[White "Koziej, Maciej"]
[Black "Wojciechowski, Adam"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "2030"]
[BlackElo "1869"]
[PlyCount "74"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 g6 7. Nf3 Nc6 8. Bd3 Bg7 9. 0-0 Qb6+ 10. Kh1 Bg4 11. Qe1 Nb4 12. e5 Nxd3 13. cxd3 dxe5 14. fxe5 Nd7 15. Nd5 Qc5 16. Nxe7 Qxe7 17. Bg5 Qc5 18. e6 Bxe6 19. d4 Qd5 20. Qb4 Bf8 21. Qd2 Bg7 22. Qb4 Bf8 23. Qd2 h6 24. Bf4 Bg7 25. Qb4 Bf8 26. Qd2 a5 27. Ne5 Bg7 28. Rae1 0-0 29. Nxd7 Qxd7 30. Bxh6 a4 31. Re4 Qb5 32. Rf3 Bd5 33. Bxg7 Kxg7 34. Qg5 Qc6 35. Rh4 Rh8 36. Rxf7+ Bxf7 37. Qe5+ Qf6 0-1

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.28"]
[Round "3"]
[White "Pikulinski, Janusz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1848"]
[BlackElo "2030"]
[PlyCount "54"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. cxd5 Nxd5 7. Bc4 Nxc3 8. bxc3 c5 9. 0-0 Nc6 10. Ba3 Na5 11. Be2 b6 12. dxc5 Qc7 13. cxb6 axb6 14. Bb4 Nc6 15. Nd4 Nxb4 16. cxb4 Rd8 17. Rc1 Qd6 18. Nc6 Qxd1 19. Rfxd1 Rxd1+ 20. Rxd1 Be6 21. Nxe7+ Kf8 22. Nc6 Bxa2 23. b5 Ke8 24. f3 Bb3 25. Rd3 Bc4 26. Rd2 Bc3 27. Bxc4 Bxd2 0-1

[Event "Lublin Chmielewski Memorial"]
[Site "Lublin"]
[Date "2013.12.27"]
[Round "1"]
[White "Sikorski, Tomasz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1707"]
[BlackElo "2030"]
[PlyCount "45"]
[EventDate "2013.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 Nc6 5. Bd3 b6 6. Nd2 Be7 7. Ne4 Nxe4 8. Bxe4 f5 9. Bd3 0-0 10. Qh5 Bb7 11. Nf3 Qe8 12. Qh3 Qg6 13. dxc5 bxc5 14. 0-0-0 d5 15. Rhg1 Qg4 16. Ng5 Bxg5 17. Qxg4 fxg4 18. Bxg5 Rxf2 19. e4 d4 20. Bh4 Rff8 21. cxd4 cxd4 22. Bc4 Rfe8 23. Bg3 0-1

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.29"]
[Round "9"]
[White "Powalka, Michal"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1768"]
[BlackElo "2063"]
[PlyCount "37"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 d6 7. c3 Nf6 8. Nbd2 0-0 9. Nh4 e5 10. Nc4 b5 11. Ne3 Bb7 12. f4 exf4 13. gxf4 Re8 14. Nf3 c4 15. dxc4 Nxe4 16. cxb5 axb5 17. Ng5 Nxg5 18. fxg5 Qb6 19. Kh1 1/2-1/2

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.28"]
[Round "8"]
[White "Koziej, Maciej"]
[Black "Ziaja, Krystian"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2063"]
[BlackElo "1885"]
[PlyCount "77"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. h4 h6 8. Ne5 Bh7 9. Bc4 e6 10. Qe2 Nd5 11. c3 Nd7 12. Nh5 Nxe5 13. dxe5 Bg6 14. Nf4 Nxf4 15. Bxf4 b5 16. Rd1 Qa5 17. Bb3 h5 18. Bg5 Bc5 19. 0-0 0-0 20. Rd7 b4 21. cxb4 Qxb4 22. Rc1 Rac8 23. Rc4 Qa5 24. Kh2 Bb6 25. Be7 Rfe8 26. Bb4 Qb5 27. a4 Qa6 28. Qf3 Ba5 29. Bd6 Red8 30. Re7 Qb6 31. Rf4 Rf8 32. Rxe6 Bd2 33. Rxg6 Bxf4+ 34. g3 Kh7 35. Qxh5+ Bh6 36. Rxh6+ gxh6 37. Bc2+ Kg7 38. Qg4+ Kh8 39. Qf5 1-0

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.27"]
[Round "7"]
[White "Kosakowski, Jakub"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1846"]
[BlackElo "2063"]
[PlyCount "107"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Be3 0-0 11. f3 b6 12. Rac1 Bb7 13. Rfd1 Nbd7 14. b3 Ne5 15. Bb1 Rac8 16. Qf2 Nfd7 17. Nde2 f5 18. exf5 gxf5 19. Nf4 Rf6 20. Nce2 Kh8 21. Nh5 Rg6 22. Nef4 Nxf3+ 23. Kh1 Nde5 24. Nxg6+ hxg6 25. Nf4 Ng4 26. Qe2 Nfxh2 27. Nxe6 Qc6 28. Nd4 Qd7 29. Bg1 Re8 30. Qd3 Be5 31. Nf3 Qh7 32. Ng5 Qh4 33. Qh3 Nf3 34. Qxh4+ Nxh4 35. Rc2 Bf6 36. Nh3 Nxg2 37. Rxg2 Re2 38. Nf4 Bxg2+ 39. Nxg2 b5 40. cxb5 axb5 41. a4 Rb2 42. Nf4 bxa4 43. bxa4 Rb4 44. Rxd6 Kg7 45. Nd5 Rxb1 46. Nxf6 Nxf6 47. a5 Ne4 48. Rd7+ Kf6 49. a6 Nc5 50. a7 Ra1 51. a8Q Rxa8 52. Bxc5 Ra2 53. Kg1 f4 54. Ra7 1/2-1/2

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.26"]
[Round "6"]
[White "Koziej, Maciej"]
[Black "Patola, Eero"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2063"]
[BlackElo "1947"]
[PlyCount "37"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 gxh5 6. Bg5 c6 7. e3 d6 8. Nge2 Ne4 9. Nxe4 fxe4 10. Nc3 Bg4 11. Be2 Qa5 12. Bxg4 Qxg5 13. Rxh5 Qg6 14. Rf5 Kd8 15. Bh3 e6 16. Rf4 d5 17. Qb3 Kc7 18. cxd5 e5 19. Rf7+ 1-0

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.24"]
[Round "5"]
[White "Niedbal, Piotr"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1773"]
[BlackElo "2063"]
[PlyCount "70"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. Bb5+ Nd7 6. 0-0 a6 7. Be2 Ngf6 8. d4 Be7 9. dxc5 Qxc5 10. Be3 Qc7 11. Nbd2 0-0 12. Qc2 b6 13. Ne4 Bb7 14. Nxf6+ Nxf6 15. h3 Nd5 16. Bd3 Nxe3 17. Bxh7+ Kh8 18. fxe3 f5 19. Nd4 Qg3 20. Bxf5 Qxe3+ 21. Rf2 exf5 22. Nxf5 Rxf5 23. Qxf5 Rf8 24. Qh5+ Kg8 25. Raf1 Rxf2 26. Rxf2 Qe1+ 27. Rf1 Bc5+ 28. Kh2 Qxf1 29. Qe8+ Qf8 30. Qe1 Qf4+ 31. Kh1 Qe3 32. Qd1 Qe4 33. Qf1 b5 34. b3 Qe3 35. Qd1 Qxh3# 0-1

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.23"]
[Round "4"]
[White "Koziej, Maciej"]
[Black "Suliborski, Artur"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2063"]
[BlackElo "1817"]
[PlyCount "38"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb7 5. Bf4 Bb4 6. e3 0-0 7. Qb3 Bxc3+ 8. bxc3 d6 9. Be2 Nbd7 10. a4 a5 11. h3 Ne4 12. Rd1 Qe7 13. 0-0 e5 14. Bh2 Kh8 15. c5 dxc5 16. Nxe5 Nxe5 17. Bxe5 Ng5 18. Kh2 f6 19. Bf4 Ne6 1/2-1/2

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.22"]
[Round "3"]
[White "Milanowski, Jan"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1971"]
[BlackElo "2063"]
[PlyCount "95"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 e5 3. Nf3 Nc6 4. c3 d5 5. Qc2 Be7 6. h3 0-0 7. Be2 Re8 8. Nbd2 a5 9. a4 b6 10. Nf1 Ba6 11. Ne3 Qd7 12. Nf5 Bf8 13. Bg5 Nh5 14. g3 h6 15. Bc1 Rad8 16. Kf1 Kh7 17. Ne1 Nf6 18. g4 dxe4 19. dxe4 Bxe2+ 20. Qxe2 g6 21. Ng3 Qd1 22. Qxd1 Rxd1 23. Ke2 Red8 24. f3 Bc5 25. Nc2 R1d6 26. h4 h5 27. g5 Nd7 28. Ne3 Nf8 29. Nc4 R6d7 30. Ne3 Ne6 31. Nd5 Kg7 32. Re1 Ne7 33. Nf6 Rd6 34. Nf1 Ng8 35. Nxg8 Kxg8 36. b3 Rd3 37. Bd2 Nf4+ 38. Bxf4 exf4 39. Rac1 Be3 40. Rc2 Kg7 41. Ra2 f6 42. gxf6+ Kxf6 43. b4 g5 44. hxg5+ Kxg5 45. bxa5 bxa5 46. Rb2 Bb6 47. Rb5+ Kg6 48. Rf5 1-0

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.21"]
[Round "2"]
[White "Koziej, Maciej"]
[Black "Prominski, Piotr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2063"]
[BlackElo "1796"]
[PlyCount "82"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 0-0 6. Bd3 c5 7. c3 Nc6 8. Ne5 Bd6 9. Bg3 Qc7 10. f4 b6 11. 0-0 Bb7 12. Bh4 Be7 13. Rf3 Nxe5 14. fxe5 Ne4 15. Rh3 f5 16. exf6 Bxf6 17. Nxe4 dxe4 18. Bc4 Qe7 19. Qh5 h6 20. Rf1 Bxh4 21. Rxf8+ Rxf8 22. Rxh4 Qf6 23. Rf4 Qe7 24. Rxf8+ Kxf8 25. Qe5 Kf7 26. dxc5 bxc5 27. b4 cxb4 28. cxb4 Qf6 29. Qc7+ Qe7 30. Qxe7+ Kxe7 31. Kf2 e5 32. Ke2 Kd6 33. Kd2 Kc6 34. Kc3 Kd6 35. Kb3 Bd5 36. Bxd5 Kxd5 37. Kc3 Kd6 38. Kc4 Kc6 39. a4 h5 40. h4 g6 41. b5+ Kd6 1-0

[Event "Rewal op-B 18th"]
[Site "Rewal"]
[Date "2013.08.20"]
[Round "1"]
[White "Matzkowiak, Roman"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "1802"]
[BlackElo "2063"]
[PlyCount "138"]
[EventDate "2013.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. d4 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nc3 Nb6 7. Nf3 Nc6 8. e3 0-0 9. 0-0 Re8 10. a4 a5 11. b3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bb2 Qxd1 15. Nxd1 c6 16. Bxe5 Rxe5 17. Rb1 Bf5 18. Rb2 Rd8 19. Re1 Rc5 20. e4 Rc1 21. exf5 Rdxd1 22. Rxd1 Rxd1+ 23. Bf1 gxf5 24. Kg2 Rd4 25. Re2 Nd5 26. Re5 f4 27. Bc4 fxg3 28. hxg3 Kg7 29. Re8 Nb6 30. Be2 Rb4 31. Bd1 Nd7 32. Re3 Nc5 33. g4 Ne6 34. f3 Kf6 35. Kg3 h6 36. Rc3 Ke5 37. Rd3 Rd4 38. Re3+ Kd6 39. Be2 Nf4 40. Bc4 Nd5 41. Re8 Kc5 42. Rb8 b6 43. Rh8 b5 44. axb5 cxb5 45. Bf1 a4 46. bxa4 bxa4 47. Rxh6 Nb4 48. Rh5+ Rd5 49. Rh8 a3 50. Rc8+ Kb6 51. Rb8+ Ka5 52. Bc4 Rd4 53. Ra8+ Kb6 54. Bxf7 Na6 55. Re8 Ra4 56. Re1 a2 57. Ra1 Nb4 58. g5 Ra6 59. g6 Nc6 60. Bd5 Kc5 61. Bxc6 Kxc6 62. Kg4 Kd5 63. Kg5 Ke6 64. Kh6 Kf6 65. g7 Ra4 66. Kh7 Ra7 67. Kh6 Rxg7 68. Rxa2 Rg3 69. Ra6+ Kf5 1/2-1/2

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "4.2"]
[White "Czerw, Dawid"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "1942"]
[BlackElo "2063"]
[PlyCount "70"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 Nf7 7. Bxf6 exf6 8. Nxe4 c5 9. Nxc5 Qa5+ 10. b4 Qc7 11. Bd3 Bd6 12. Qe4+ Kd8 13. Ne2 a5 14. Qg4 g6 15. Qh4 axb4 16. Ne4 Be5 17. Rb1 g5 18. Qh5 d6 19. 0-0 Qe7 20. f4 gxf4 21. Nxf4 Kc7 22. Rxb4 Rxa2 23. Qd1 Ra1 24. Rb1 Rxb1 25. Qxb1 f5 26. Ne6+ Bxe6 27. dxe6 Qxe6 28. Nd2 Nh6 29. Nc4 Bd4+ 30. Kh1 Ra8 31. Re1 Qd7 32. c3 Bc5 33. Ne3 Re8 34. Bb5 Qe6 35. Bxe8 Qxe8 1-0

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "5.4"]
[White "Koziej, Maciej"]
[Black "Chwalewski, Marek"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2063"]
[BlackElo "1919"]
[PlyCount "62"]
[EventDate "2013.08.06"]
[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 g6 2. d4 d5 3. exd5 Nf6 4. Nf3 Qxd5 5. c4 Qd8 6. h3 Bg7 7. Nc3 0-0 8. Be3 Bf5 9. Be2 Nc6 10. d5 Nb4 11. Nd4 Qc8 12. a3 Na6 13. 0-0 h5 14. b4 Bxh3 15. gxh3 Qxh3 16. Bf3 Ng4 17. Bxg4 hxg4 18. Ne4 Be5 19. Re1 Qh2+ 20. Kf1 Qh1+ 21. Ke2 Qxe4 22. Qd3 Qxd3+ 23. Kxd3 Bg7 24. Bg5 c5 25. Rxe7 Bxd4 26. Rae1 Bxf2 27. Rh1 Kg7 28. Bh6+ Kf6 29. Bxf8 Rxf8 30. Rxb7 cxb4 31. axb4 g3 0-1

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "3.3"]
[White "Koziej, Maciej"]
[Black "Krasowski, Piotr"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2063"]
[BlackElo "1826"]
[PlyCount "77"]
[EventDate "2013.08.06"]
[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 g6 2. d4 Bg7 3. f4 c5 4. d5 d6 5. c4 Qb6 6. Qc2 f5 7. Nd2 fxe4 8. Nxe4 Qb4+ 9. Nc3 Bxc3+ 10. bxc3 Qa5 11. Bd3 Nh6 12. Rb1 Qa6 13. Nf3 Bf5 14. 0-0 Nd7 15. Ng5 0-0-0 16. Bxf5 gxf5 17. Ne6 Rde8 18. Rb5 Nb6 19. Qb3 Rhg8 20. Be3 Nd7 21. Rb1 b6 22. a4 Ng4 23. Bc1 Ngf6 24. a5 Ne4 25. Rb2 Rg6 26. axb6 axb6 27. Ra2 Qb7 28. Qa3 Reg8 29. Rbb2 h6 30. Ra1 Nb8 31. Kf1 h5 32. Qa7 Nxc3 33. Rxb6 Qxa7 34. Rxa7 Rxe6 35. dxe6 Re8 36. Bd2 Ne4 37. Ba5 h4 38. Ra8 Nd2+ 39. Bxd2 1-0

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "7.5"]
[White "Koziej, Maciej"]
[Black "Krzyzanowski, Wojciech Marcin"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2063"]
[BlackElo "1960"]
[PlyCount "112"]
[EventDate "2013.08.06"]
[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 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. Nc2 Bb7 14. Bd3 d5 15. Qe2 Ng6 16. g3 Qb6 17. 0-0-0 0-0-0 18. exd5 Bxd5 19. Be4 Bxa2 20. Qg4+ Be6 21. Qf3 Bb3 22. Bf5+ Kc7 23. Nb4 Ne7 24. Bc2 Bxc2 25. Kxc2 a5 26. Nd5+ Nxd5 27. Rxd5 Rxd5 28. Qxd5 Rd8 29. Qxf7+ Rd7 30. Qb3 Qxf2+ 31. Kb1 Qe2 32. Rc1 Qc4 33. Qc2 Qd3 34. Qxd3 Rxd3 35. Rf1 Rd6 36. Kc2 Kd7 37. Rf5 Ke6 38. g4 Rd8 39. Rh5 Rd7 40. b3 Kd5 41. Kd3 a4 42. bxa4 bxa4 43. Rf5 Rd6 44. h4 Kc5+ 45. Ke4 Kc4 46. g5 fxg5 47. hxg5 a3 48. Rf1 Kxc3 49. Rf7 h6 50. Kxe5 Rb6 51. Rf6 Rb5+ 52. Ke4 hxg5 53. Rf3+ Kb4 54. Kd3 a2 55. Rf1 Kb3 56. Kd2 Kb2 0-1

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "1.3"]
[White "Koziej, Maciej"]
[Black "Szczygiel, Konrad"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2063"]
[BlackElo "1832"]
[PlyCount "43"]
[EventDate "2013.08.06"]
[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. h4 h6 7. Nf3 Nf6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 Nbd7 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 0-0-0 17. c4 c5 18. Bc3 cxd4 19. Bxd4 Bc5 20. Bxc5 Qxc5 21. Ne5 Qe7 22. f4 1/2-1/2

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "8.6"]
[White "Lipski, Tadeusz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1997"]
[BlackElo "2063"]
[PlyCount "46"]
[EventDate "2013.08.06"]
[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 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. Bd3 Nf6 7. Bg5 Nc6 8. Bxf6 exf6 9. Qh5+ g6 10. Bxg6+ hxg6 11. Qxh8 cxd4 12. Nce2 e5 13. Nf3 Be6 14. 0-0 Qd7 15. Qxf6 Bg7 16. Qg5 Ne7 17. Rfe1 0-0-0 18. g4 Bxg4 19. Nxe5 Bxe5 20. Qxe5 Nc6 21. Qf4 g5 22. Qd2 Bf3 23. Ng3 Qh3 0-1

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "9.1"]
[White "Polkowski, Piotr"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2186"]
[BlackElo "2063"]
[PlyCount "27"]
[EventDate "2013.08.06"]
[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 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bg5 c6 9. Qd2 b5 10. Ndxb5 cxb5 11. Bd5 b4 12. Ne2 Be6 13. Bxa8 Nbd7 14. Bd5 1-0

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "2.6"]
[White "Szczepaniak, Lukasz1111"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2020"]
[BlackElo "2063"]
[PlyCount "84"]
[EventDate "2013.08.06"]
[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. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 Nb6 8. Bb3 d6 9. 0-0 Be7 10. Nc3 0-0 11. Ne4 dxe5 12. dxe5 Qxd1 13. Rxd1 Na5 14. Be3 Nbc4 15. Bd4 b6 16. Bc2 Nc6 17. Bc3 Ba6 18. Bd3 b5 19. a3 Rfd8 20. b3 N4a5 21. b4 Nc4 22. Nc5 Bxc5 23. bxc5 Ne7 24. Be4 Rac8 25. h3 Nd5 26. Bd4 Bb7 27. a4 b4 28. a5 Bc6 29. Rdc1 Na3 30. Bb2 Nf4 31. Re1 Nd3 32. Bxd3 Rxd3 33. Rec1 Bxf3 34. gxf3 Rxf3 35. c6 Rd3 36. Rd1 Rd5 37. Rxd5 exd5 38. Bd4 Nb5 39. Bc5 b3 40. Rb1 Rxc6 41. Bb4 Nd4 42. Bd2 Nf3+ 0-1

[Event "Lublin Gerlecka Memorial 3rd"]
[Site "Lublin"]
[Date "2013.08.??"]
[Round "6.6"]
[White "Szysz, Mateusz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1610"]
[BlackElo "2063"]
[PlyCount "118"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 c6 4. cxd5 exd5 5. d4 Bd6 6. Nf3 Nf6 7. 0-0 Bf5 8. Nc3 0-0 9. Bf4 Bxf4 10. gxf4 Ne4 11. Nxe4 Bxe4 12. Ng5 Bxg2 13. Kxg2 h6 14. Nf3 Qd6 15. e3 Nd7 16. Kh1 Qg6 17. h3 Qh5 18. Kh2 Nf6 19. Ne5 Qxd1 20. Rfxd1 Ne4 21. Kg2 a5 22. Rdc1 f6 23. Nd7 Rf7 24. Nc5 Nd6 25. Rc2 g5 26. Kf3 Kf8 27. Rg1 Ke7 28. Nd3 Nf5 29. Ke2 Kd6 30. Kf3 b6 31. Rgc1 Rc7 32. fxg5 hxg5 33. Kg4 Ne7 34. f4 gxf4 35. Nxf4 Rg8+ 36. Kf3 Nf5 37. Rc3 c5 38. dxc5+ bxc5 39. Rd1 d4 40. exd4 Nxd4+ 41. Kf2 Re7 42. Re1 Re5 43. Rxe5 fxe5 44. Nd3 Rf8+ 45. Ke1 Rc8 46. Kd2 e4 47. Nf4 Ke5 48. Ng2 Ne6 49. b3 Rd8+ 50. Ke2 Rg8 51. Ne3 Nf4+ 52. Kd2 Nxh3 53. Rc2 Rg3 54. Nc4+ Kd4 55. Nxa5 e3+ 56. Kd1 Rg1+ 57. Ke2 Rg2+ 58. Kd1 Rxc2 59. Nc6+ Kc3 0-1

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2012.01.03"]
[Round "8"]
[White "Koziej, Maciej"]
[Black "Mucha, Piotr"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2064"]
[BlackElo "1926"]
[PlyCount "42"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[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. a3 0-0 10. 0-0 Re8 11. Kh1 Bf8 12. fxe5 dxe5 13. Qe1 b5 14. Nh4 h6 15. Nf5 Nd4 16. Ne3 Bb7 17. Bd2 Qd7 18. Rxf6 gxf6 19. Ned5 Qd6 20. Qg3+ Kh7 21. Qh4 Re6 1-0

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2012.01.02"]
[Round "6"]
[White "Koziej, Maciej"]
[Black "Gawiec, Konrad"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2064"]
[BlackElo "1907"]
[PlyCount "40"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6 6. Nf3 0-0 7. e3 a6 8. a4 Re8 9. Be2 Bc7 10. 0-0 d6 11. h3 Nbd7 12. Bd2 Rb8 13. b3 b5 14. axb5 axb5 15. Re1 Nf8 16. Qc2 Bd7 17. Nh2 b4 18. Nb1 Bb5 19. Ng4 Qd7 20. f4 Bb6 1-0

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2012.01.02"]
[Round "7"]
[White "Polok, Rafal"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1951"]
[BlackElo "2064"]
[PlyCount "67"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. Be3 e6 8. Qd2 Nge7 9. Bh6 0-0 10. h4 Bxh6 11. Qxh6 f6 12. Qd2 Nd4 13. f4 Nec6 14. Nge2 e5 15. Nxd4 Nxd4 16. Nd5 b6 17. 0-0 Ra7 18. Rf2 Raf7 19. Raf1 Bd7 20. b3 b5 21. axb5 axb5 22. Qd1 b4 23. f5 gxf5 24. exf5 Kh8 25. Be4 Bc6 26. Ne3 d5 27. Bg2 Rg8 28. g4 e4 29. dxe4 dxe4 30. Rf4 Re7 31. Qe1 Nf3+ 32. Bxf3 exf3 33. R1xf3 Bxf3 34. Rxf3 1/2-1/2

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2011.12.31"]
[Round "5"]
[White "Chmiel, Marcin"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1906"]
[BlackElo "2064"]
[PlyCount "103"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2 d6 9. a4 Nc6 10. 0-0 Qc7 11. a5 Nf6 12. Be3 0-0 13. N1d2 Bd7 14. Bb6 Qb8 15. Rfe1 Ne5 16. Rad1 Bc6 17. Nd4 Nfd7 18. Nc4 Nxc4 19. Bxc4 Nxb6 20. axb6 Bd7 21. Qe3 Qd8 22. Nb3 a5 23. Rd2 Bc6 24. Red1 e5 25. g3 a4 26. Nc1 Kh8 27. Bd5 Ra6 28. Bxc6 bxc6 29. b7 Qb6 30. Qc3 f6 31. Nd3 c5 32. Qc4 Ra7 33. Ra1 Qxb7 34. Rxa4 Rxa4 35. Qxa4 f5 36. Nxc5 Qxb2 37. Nb3 fxe4 38. Qxe4 Qa2 39. h4 Qa6 40. Rd3 Qc8 41. c4 Qe6 42. Kg2 Qf5 43. Qe2 Rc8 44. Rd5 Rb8 45. Nd4 Qf7 46. Rxe5 Bf6 47. Rd5 Bxd4 48. Rxd4 Rc8 49. Rxd6 Qxc4 50. Rd8+ Kg7 51. Qe7+ Kh6 52. Qf8+ 1-0

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2011.12.30"]
[Round "4"]
[White "Koziej, Maciej"]
[Black "Popiol, Michal"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2064"]
[BlackElo "1874"]
[PlyCount "83"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. dxc5 Qa5 8. Bd3 Qxc5 9. Qe2 Nc6 10. Be3 Qa5 11. Rc1 Ng4 12. Bg1 e5 13. h3 Nh6 14. fxe5 dxe5 15. Bf2 Nd4 16. Qd2 f5 17. Nd5 Qd8 18. Nxd4 exd4 19. 0-0 fxe4 20. Bxe4 Bf5 21. Rce1 Bxe4 22. Rxe4 Nf5 23. Qd3 b5 24. Nf4 bxc4 25. Qxc4+ Rf7 26. Ne6 Qc8 27. Qxc8+ Rxc8 28. Nxg7 Kxg7 29. Bxd4+ Nxd4 30. Rxf7+ Kxf7 31. Rxd4 Ke6 32. Rd2 Rc7 33. Kf2 Ke5 34. Ke3 h5 35. a3 Rb7 36. b4 Rc7 37. Kd3 h4 38. Re2+ Kf4 39. a4 g5 40. Kd4 Rc6 41. Kd5 Rc8 42. Re5 1-0

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2011.12.29"]
[Round "3"]
[White "Bus, Konrad"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1939"]
[BlackElo "2064"]
[PlyCount "59"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 c6 5. Nf3 d5 6. 0-0 Bd6 7. Qc2 0-0 8. Bf4 Bxf4 9. gxf4 Ne4 10. Ne5 Nd7 11. e3 Nxe5 12. dxe5 Qe7 13. Rc1 b6 14. Nc3 Ba6 15. Nxe4 fxe4 16. cxd5 cxd5 17. Qc7 Qh4 18. Qd7 Bc8 19. Qc6 Rb8 20. Qd6 Bb7 21. Qxe6+ Kh8 22. Rc7 Rg8 23. Rac1 Ba6 24. Qxd5 Rbd8 25. Rd7 Rc8 26. Rcc7 Rxc7 27. Rxc7 Rd8 28. Rd7 Rc8 29. h3 Bd3 30. e6 1-0

[Event "Krakow op-B 22nd"]
[Site "Krakow"]
[Date "2011.12.27"]
[Round "1"]
[White "Barsciauskas, Gintautas"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1827"]
[BlackElo "2064"]
[PlyCount "61"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d6 4. Bb5 Bd7 5. c3 e6 6. 0-0 Nf6 7. d3 Qb6 8. Bxc6 Bxc6 9. e5 Nd7 10. Qe2 Be7 11. Na3 Qc7 12. Nc4 dxe5 13. Ncxe5 0-0 14. Nxc6 Qxc6 15. Ne5 Qc7 16. Bd2 Rad8 17. Rae1 Qa5 18. Nc4 Qxa2 19. Ra1 Qb3 20. Rxa7 Ra8 21. Rfa1 Rxa7 22. Rxa7 Rd8 23. Be3 Nb8 24. d4 cxd4 25. Bxd4 Nc6 26. Na5 Nxd4 27. cxd4 Qb4 28. Rxb7 Qxd4+ 29. Kf1 Qxf4+ 30. Qf3 Rd1+ 31. Ke2 0-1

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.12"]
[Round "9"]
[White "Sowul, Bartosz"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2190"]
[BlackElo "2036"]
[PlyCount "81"]
[EventDate "2011.03.05"]
[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 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. b4 0-0 10. e3 Bf5 11. Qb3 c6 12. Be2 Nd7 13. 0-0 a6 14. a4 Be6 15. Rfc1 f5 16. b5 cxb5 17. axb5 a5 18. Na4 g5 19. Ne1 Rf6 20. Bf3 Nf8 21. Nc5 Bf7 22. Nxb7 Qd7 23. Nc5 Qd8 24. g3 f4 25. Bg2 h5 26. exf4 gxf4 27. Nf3 fxg3 28. hxg3 h4 29. Ne5 hxg3 30. Nxf7 gxf2+ 31. Kf1 Rxf7 32. Bxd5 Raa7 33. b6 Rae7 34. Bxf7+ Rxf7 35. b7 Qb8 36. Rc3 a4 37. Qd5 Qh2 38. Rf3 Ne6 39. b8Q+ Qxb8 40. Qxe6 Qb5+ 41. Kg2 1-0

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.11"]
[Round "8"]
[White "Koziej, Maciej"]
[Black "Swiech, Przemyslaw"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2036"]
[BlackElo "2233"]
[PlyCount "88"]
[EventDate "2011.03.05"]
[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 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. Bd3 d5 14. Qf3 f5 15. Qg3 dxe4 16. Qxe5 0-0 17. Be2 Ng6 18. Qd4 Qxd4 19. cxd4 Nf4 20. g3 Nd5 21. Nc2 f4 22. gxf4 Nxf4 23. Rg1+ Kh8 24. Ne3 f5 25. Rc1 Nh3 26. Rf1 f4 27. Nd5 Bb7 28. Nc7 f3 29. Bd1 Rac8 30. Bb3 e3 31. Be6 Nf4 32. Bxc8 Ng2+ 33. Kd1 e2+ 34. Kd2 exf1Q 35. Rxf1 Rxc8 36. Ne6 Bd5 37. Nc5 a5 38. a3 Re8 39. Nd3 Bc4 40. Rc1 Re2+ 41. Kc3 Bxd3 42. Kxd3 Nf4+ 43. Kc3 Rxf2 44. Kb3 Rxb2+ 0-1

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.10"]
[Round "7"]
[White "Solnicki, Michal"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "D77"]
[WhiteElo "2126"]
[BlackElo "2036"]
[PlyCount "108"]
[EventDate "2011.03.05"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Nc4 Nc6 10. e3 Nd5 11. Bb2 b5 12. Nce5 Nxe5 13. Nxe5 Bb7 14. Nd3 c4 15. Nc5 Bc6 16. e4 Nb6 17. Qe2 Rc8 18. Bh3 Rb8 19. Rad1 Re8 20. f4 e6 21. Qf2 f5 22. Rfe1 Bf8 23. d5 exd5 24. exf5 Rxe1+ 25. Rxe1 gxf5 26. Ne6 Qf6 27. Re5 Qh6 28. Bxf5 Bd6 29. Re1 Bd7 30. Nd4 Bc5 31. Bxd7 Nxd7 32. Qe2 Nf6 33. Qe6+ Kh8 34. Qf5 Qg6 35. Re5 Qxf5 36. Rxf5 Bxd4+ 37. cxd4 Kg7 38. g4 Rd8 39. g5 Ne4 40. Re5 Rd7 41. h4 b4 42. f5 a5 43. Bc1 a4 44. h5 Kf7 45. Re6 b3 46. axb3 axb3 47. Rb6 Nd6 48. Ba3 Rb7 49. g6+ hxg6 50. fxg6+ Kg7 51. Rxd6 c3 52. Bc1 b2 53. h6+ Kf8 54. g7+ Kf7 0-1

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.08"]
[Round "5"]
[White "Koziej, Maciej"]
[Black "Krzyzanowski, Marcin"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2036"]
[BlackElo "2353"]
[PlyCount "98"]
[EventDate "2011.03.05"]
[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 a6 5. Bd3 g6 6. Be3 Bg7 7. Nc3 Ne7 8. Qd2 0-0 9. Nb3 d5 10. Bh6 Nbc6 11. 0-0-0 d4 12. Ne2 a5 13. Bc4 e5 14. h4 a4 15. h5 axb3 16. hxg6 Nxg6 17. Bxg7 Kxg7 18. Qh6+ Kf6 19. f4 Ke7 20. Bxb3 Qd6 21. f5 Nf4 22. Qh4+ Kd7 23. Nxf4 exf4 24. Qxh7 Qe7 25. Qh6 Kc7 26. Qxf4+ Kb6 27. Rh7 Ra5 28. a3 Qe5 29. Qxe5 Rxe5 30. Rh4 f6 31. Bd5 Rd8 32. Bxc6 bxc6 33. c3 c5 34. cxd4 cxd4 35. Rh6 Rd6 36. Re1 Bxf5 37. Rf1 Bxe4 38. Rfxf6 Rxf6 39. Rxf6+ Kc5 40. g4 Rg5 41. Rf4 Kd5 42. b4 Ke5 43. Rf8 Rxg4 44. Kb2 Rg2+ 45. Kb3 Bd5+ 46. Ka4 d3 47. Re8+ Kd4 48. Re1 d2 49. Rf1 Bf3 0-1

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.07"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Obrusnik, Michal"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2036"]
[BlackElo "2192"]
[PlyCount "54"]
[EventDate "2011.03.05"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. 0-0 Nfd7 10. Re1 Be7 11. a4 bxa4 12. Rxa4 0-0 13. Be3 Nb6 14. Ra1 Nc4 15. Bc1 Qc7 16. b3 Nb6 17. Na4 Nxa4 18. Rxa4 Nc6 19. Ba3 Rfd8 20. Nxc6 Bxc6 21. Rd4 e5 22. Rd3 a5 23. c4 Bb7 24. Qe2 Rac8 25. Rc3 h6 26. Rd1 Qc6 27. Ra1 Qb6 1/2-1/2

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.07"]
[Round "4"]
[White "Reza, Wojciech"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2043"]
[BlackElo "2036"]
[PlyCount "42"]
[EventDate "2011.03.05"]
[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 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nxc6 dxc6 9. 0-0 e5 10. Qc2 Be6 11. h3 Nh5 12. Rd1 Qh4 13. Bf1 Bc5 14. Be3 Bxe3 15. fxe3 Qg5 16. Qf2 Bxh3 17. Rd6 Be6 18. Rad1 0-0 19. Be2 Ng3 20. c5 Qh4 21. Qf3 h5 0-1

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.06"]
[Round "2"]
[White "Wieczorek, Oskar"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2370"]
[BlackElo "2036"]
[PlyCount "45"]
[EventDate "2011.03.05"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 Bf5 7. 0-0 Nd7 8. Nf3 e6 9. c4 Nb4 10. a3 Na6 11. Nc3 Be7 12. Bf4 Bf6 13. Qd2 0-0 14. Rad1 Nc7 15. Rfe1 h6 16. h3 Rc8 17. Bd3 Bxd3 18. Qxd3 Nb6 19. Ne4 Be7 20. Qb3 Rb8 21. Ne5 Nd7 22. Nxd7 Qxd7 23. Qg3 1-0

[Event "POL-ch U18"]
[Site "Murzasichle"]
[Date "2011.03.05"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Matuszewski, Michal"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2036"]
[BlackElo "2384"]
[PlyCount "111"]
[EventDate "2011.03.05"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. 0-0 Be7 10. Re1 Qc7 11. g5 Nfd7 12. Nd5 exd5 13. exd5 Ne5 14. Nf5 Bf8 15. f4 Nbd7 16. fxe5 Nxe5 17. a4 g6 18. Nd4 b4 19. Bd2 h6 20. gxh6 Qc5 21. Bf4 Bxh6 22. Bg3 0-0 23. Bf2 Qc4 24. a5 Rae8 25. Ra4 Bg5 26. Re2 Bf6 27. Qd2 Bxd5 28. Rxb4 Qc5 29. Nb3 Bxg2 30. Nxc5 Nf3+ 31. Kxg2 Nxd2 32. Rxd2 dxc5 33. Bxc5 Be7 34. Bxe7 Rxe7 35. Rb6 Ra8 36. c4 Re4 37. Rc2 Kf8 38. c5 Re7 39. Kf3 Rae8 40. Rb3 Re5 41. Rbc3 Rc8 42. b4 Rc6 43. Re3 Rh5 44. Ke2 Rh4 45. Rb2 f5 46. Kd3 f4 47. Rf3 Kf7 48. Kc4 g5 49. Rd2 Ke6 50. Rd5 Kf6 51. b5 axb5+ 52. Kxb5 Rc8 53. c6 Rhh8 54. Ra3 Rb8+ 55. Kc5 Rb1 56. Rdd3 1-0

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.27"]
[Round "9"]
[White "Janus, Przemyslaw"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2083"]
[BlackElo "1990"]
[PlyCount "23"]
[EventDate "2010.08.18"]
[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 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Ne2 c5 8. Qc2 Nc6 9. dxc5 Qa5+ 10. Nc3 0-0 11. Be2 f5 12. 0-0 1/2-1/2

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.27"]
[Round "8"]
[White "Zakrzewski, Marek"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2053"]
[BlackElo "1990"]
[PlyCount "64"]
[EventDate "2010.08.18"]
[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 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. c4 Nd7 9. Bf4 c6 10. cxd5 cxd5 11. Be2 g5 12. Bg3 Bg7 13. 0-0 Nxe5 14. Bxe5 Bxe5 15. Bb5+ Kf8 16. c4 Qf6 17. Qxf6 Bxf6 18. cxd5 exd5 19. Rac1 Kg7 20. Rc7 Rab8 21. b3 Rhd8 22. f4 h6 23. fxg5 hxg5 24. Rf5 Rd6 25. Be2 d4 26. Bh5 Rf8 27. Kf1 d3 28. Ke1 g4 29. hxg4 d2+ 30. Kd1 Re8 31. g5 Re1+ 32. Kc2 Rc1# 0-1

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.26"]
[Round "7"]
[White "Koziej, Maciej"]
[Black "Gonsior, Monika"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "1990"]
[BlackElo "2080"]
[PlyCount "74"]
[EventDate "2010.08.18"]
[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. Nc3 Bc5 4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. d4 Nc6 7. Be3 d6 8. Be2 Nf6 9. Rf1 Qe7 10. Bf3 h6 11. Kg1 0-0 12. Qd2 Kh7 13. Rae1 Bd7 14. Nd5 Qd8 15. Qd3 g6 16. Qd2 Ng8 17. Be2 Nce7 18. Nf4 c6 19. Bd3 Qc7 20. h4 Rae8 21. c4 Nf6 22. e5 Ng4 23. e6 Bxe6 24. Nxe6 fxe6 25. h5 Nf5 26. hxg6+ Kxg6 27. Rf4 h5 28. d5 Ngh6 29. dxe6 Rxe6 30. Bxa7 Rxe1+ 31. Qxe1 Kg7 32. Qf2 Qd7 33. Bd4+ Kg8 34. Bc3 Ng4 35. Qf3 Ngh6 36. Qxh5 Qe6 37. Qg5+ Kh7 1-0

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.25"]
[Round "6"]
[White "Kaczmarek, Aleksander"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1992"]
[BlackElo "1990"]
[PlyCount "65"]
[EventDate "2010.08.18"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nc6 12. Qd1 d5 13. c5 Nc4 14. Bxc4 dxc4 15. d5 Nb4 16. 0-0 Nd3 17. Rc2 Rc8 18. Qg4 Ne5 19. Qh4 Qd7 20. Bd4 Qf5 21. Re2 Bf6 22. Qe4 Nd3 23. Qxf5 gxf5 24. Bxf6 exf6 25. Re7 Nxc5 26. d6 Rcd8 27. Rd1 Rfe8 28. Nd5 Kg7 29. Rde1 Rxd6 30. Rxe8 Rxd5 31. Rc8 b5 32. Rc7 Ne6 33. Rxe6 1-0

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.24"]
[Round "5"]
[White "Koziej, Maciej"]
[Black "Bednarski, Dawid"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1990"]
[BlackElo "1926"]
[PlyCount "71"]
[EventDate "2010.08.18"]
[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 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 0-0 12. Nc2 Bg5 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 Kh8 17. Nde3 g6 18. h4 Bxe3 19. Nxe3 f5 20. h5 g5 21. exf5 Bxf5 22. Nxf5 Rxf5 23. Ra2 Ne7 24. Rd2 Rf6 25. Rh3 Nf5 26. Bd5 h6 27. Be4 Qb6 28. Rf3 Rbf8 29. Bxf5 Rxf5 30. Rxd6 Qc7 31. Rxh6+ Kg7 32. Rg6+ Kh8 33. Rxf5 Rxf5 34. Qd2 Rf8 35. Rh6+ Kg7 36. Qxg5+ 1-0

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.23"]
[Round "4"]
[White "Prazmowski, Bartosz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1870"]
[BlackElo "1990"]
[PlyCount "50"]
[EventDate "2010.08.18"]
[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 d5 2. c4 dxc4 3. e3 Nf6 4. Nc3 e5 5. Bxc4 exd4 6. exd4 Bd6 7. Qe2+ Qe7 8. Qxe7+ Kxe7 9. Nge2 Nbd7 10. 0-0 Nb6 11. Bd3 c6 12. Ng3 Re8 13. Re1+ Kf8 14. Rxe8+ Kxe8 15. Nce4 Be7 16. Bg5 Nbd5 17. Re1 Be6 18. Nc5 Bxc5 19. dxc5 Kf8 20. a3 a5 21. Nf5 Nd7 22. Rc1 h6 23. Bh4 Nf4 24. Nd4 Nxd3 25. Rd1 N7xc5 0-1

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.21"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Starczewska, Dominika"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1990"]
[BlackElo "1885"]
[PlyCount "75"]
[EventDate "2010.08.18"]
[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 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. Nc2 Bb7 14. Bd3 d5 15. exd5 Qxd5 16. Ne3 Qe6 17. Qc2 e4 18. Be2 f5 19. g3 Ng6 20. a4 Ne5 21. Rg1 0-0 22. 0-0-0 bxa4 23. g4 f4 24. Nf5 Rfd8 25. Qxa4 Qb6 26. Rxd8+ Rxd8 27. Rd1 f3 28. Rxd8+ Qxd8 29. Bxa6 Bxa6 30. Qxa6 Nxg4 31. Nh6+ Nxh6 32. Qxh6 Qd3 33. Qd2 Qf1+ 34. Kc2 h6 35. b3 Qa1 36. c4 Qa2+ 37. Kc3 Qa5+ 38. Kc2 1/2-1/2

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.20"]
[Round "2"]
[White "Statucki, Maciej"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1834"]
[BlackElo "1990"]
[PlyCount "61"]
[EventDate "2010.08.18"]
[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. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. a3 Nf6 7. Be3 b5 8. Bd3 Bb7 9. 0-0 Nc6 10. h3 Nxd4 11. Bxd4 Bc5 12. Bxc5 Qxc5 13. Qe2 d6 14. Kh1 e5 15. f4 Nd7 16. Qg4 g6 17. f5 Nf6 18. Qh4 Nh5 19. Ne2 Qe3 20. Rf3 Qd2 21. fxg6 hxg6 22. Raf1 g5 23. Qg4 Bc8 24. Rf5 Bxf5 25. Qxf5 Nf4 26. Kh2 Rc8 27. Rf2 Qe3 28. Rf3 Qa7 29. Nc3 Rxc3 30. bxc3 Qd7 31. Qxg5 0-1

[Event "Rewal op-B 15th"]
[Site "Rewal"]
[Date "2010.08.18"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Nun, Grzegorz"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1990"]
[BlackElo "1712"]
[PlyCount "113"]
[EventDate "2010.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Nf6 7. d3 0-0 8. a3 Bd7 9. Nf4 Rb8 10. h4 h5 11. Rb1 a6 12. b4 cxb4 13. axb4 b5 14. cxb5 axb5 15. d4 Na7 16. e4 e5 17. dxe5 dxe5 18. Nfd5 Nxd5 19. Nxd5 Nc6 20. Bg5 f6 21. Be3 Bg4 22. f3 Be6 23. 0-0 Re8 24. Qd2 Bxd5 25. exd5 Ne7 26. Rfd1 Nf5 27. Bf2 Nd6 28. Rbc1 Rc8 29. Rc5 Bf8 30. Qc2 Kg7 31. Bh3 f5 32. g4 hxg4 33. fxg4 Rxc5 34. bxc5 Ne4 35. gxf5 Nxf2 36. Qxf2 Qf6 37. d6 e4 38. fxg6 Qxg6+ 39. Qg2 e3 40. d7 Qxg2+ 41. Kxg2 e2 42. Re1 Rd8 43. c6 Bd6 44. Rxe2 Kf7 45. Be6+ Kf6 46. Bd5 Bc7 47. Kf3 b4 48. Re8 Kf5 49. Be4+ Kf6 50. Ke2 Kf7 51. Kd3 Kg7 52. Kc4 Kh6 53. Kxb4 Kh5 54. Kb5 Kxh4 55. Ka6 Kg5 56. Kb7 Ba5 57. Rxd8 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.11"]
[Round "8"]
[White "Czarnecki, Wojciech"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2117"]
[BlackElo "2025"]
[PlyCount "55"]
[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 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. Be2 Nf6 6. 0-0 dxc4 7. Bxc4 Bd6 8. Nc3 a6 9. Be2 0-0 10. a3 Re8 11. b4 Nd5 12. Ne4 Be7 13. Bb2 a5 14. b5 Nb8 15. Rc1 Nd7 16. h3 Bh5 17. Ne5 Bxe2 18. Qxe2 f5 19. Nc5 Nxe5 20. dxe5 Bxc5 21. Rxc5 Qg5 22. Rfc1 Re7 23. Qf3 Rd8 24. R5c4 Red7 25. Ra4 b6 26. Rac4 Qh6 27. Rc6 Qg6 28. Kh1 1/2-1/2

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.10"]
[Round "7"]
[White "Wach, Bartosz"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1653"]
[BlackElo "2025"]
[PlyCount "63"]
[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. Nf3 Nf6 2. g3 b5 3. d4 Bb7 4. Bg2 e6 5. a4 a6 6. axb5 axb5 7. Rxa8 Bxa8 8. Qd3 b4 9. Bg5 Qc8 10. Bxf6 gxf6 11. Nbd2 Bb7 12. c4 bxc3 13. bxc3 d5 14. c4 c6 15. 0-0 Bd6 16. Rb1 Nd7 17. c5 Ba6 18. Qa3 Bc7 19. Bf1 Ke7 20. e4 Bxf1 21. Rxf1 Qa8 22. Qd3 e5 23. Re1 Kf8 24. Qe3 h5 25. dxe5 fxe5 26. Qg5 f6 27. Qf5 Ke7 28. Nh4 Nf8 29. exd5 cxd5 30. Ndf3 Qa6 31. Kg2 Qe6 32. Qb1 1/2-1/2

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.09"]
[Round "6"]
[White "Koziej, Maciej"]
[Black "Kalinin, Oleg"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2025"]
[BlackElo "2369"]
[PlyCount "62"]
[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 c5 2. c3 cxd4 3. cxd4 d5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 e6 10. 0-0 Bd6 11. Bxd6 Qxd6 12. Rc1 0-0 13. Na4 Nd7 14. a3 Rfc8 15. Rc3 Ne7 16. Qc2 Rxc3 17. Qxc3 Rc8 18. Qd2 Rc6 19. Rc1 Qc7 20. Rxc6 Qxc6 21. b3 g6 22. Qc3 Qxc3 23. Nxc3 Nc6 24. Kf1 Na5 25. Bd1 f5 26. h4 Kf7 27. Ke2 Ke7 28. Kd3 Kd6 29. f4 Nf6 30. Kc2 h5 31. Bf3 Kc6 1/2-1/2

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.08"]
[Round "5"]
[White "Koziej, Maciej"]
[Black "Snokowski, Marcin"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2025"]
[PlyCount "111"]
[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 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 c6 6. e3 Nbd7 7. h3 Qa5 8. Nd2 0-0 9. Bd3 Re8 10. g4 Nf8 11. a3 Qd8 12. g5 N6d7 13. h4 Ng6 14. Bg3 f5 15. cxd5 f4 16. exf4 exd5 17. Ne2 Bd6 18. Qc2 Ndf8 19. 0-0-0 Bg4 20. f3 Rxe2 21. Bxe2 Bxf4 22. Bxf4 Nxf4 23. fxg4 Nxe2+ 24. Kb1 Nxd4 25. Qd3 Nde6 26. Rhf1 Qe7 27. Rde1 Re8 28. Qf5 g6 29. Qf2 b6 30. Nf3 Qf7 31. Qc2 Qc7 32. Qc3 c5 33. Re2 Qd6 34. Qe1 d4 35. Nd2 Qc6 36. Rf6 c4 37. Nf3 Qd5 38. Re5 Qd6 39. h5 d3 40. hxg6 hxg6 41. Nd2 c3 42. bxc3 Qxa3 43. Rfxe6 Rxe6 44. Rxe6 Qxc3 45. Re4 Qc2+ 46. Ka1 Qc3+ 47. Ka2 Qc2+ 48. Ka3 Qc3+ 49. Nb3 Qc2 50. Qd2 Qc6 51. Qxd3 a5 52. Qc4+ Qxc4 53. Rxc4 Kf7 54. Rc6 Ne6 55. Rxb6 Nxg5 56. Nxa5 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.07"]
[Round "4"]
[White "Guzik, Jolanta"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2112"]
[BlackElo "2025"]
[PlyCount "88"]
[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. c4 e6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Nge7 7. d3 d6 8. Be3 Nd4 9. Qd2 a6 10. f4 Rb8 11. 0-0 Nec6 12. g4 h5 13. f5 hxg4 14. fxg6 f6 15. Rac1 Bd7 16. Nd1 Nxe2+ 17. Qxe2 e5 18. Nc3 Ne7 19. Nd5 Nxg6 20. b4 b6 21. bxc5 bxc5 22. Rb1 Rxb1 23. Rxb1 Ne7 24. Nxe7 Kxe7 25. Rb7 Kf8 26. Qb2 Bc8 27. Rb8 Ke7 28. Bf1 Qc7 29. Bd2 Bh6 30. Bxh6 Rxh6 31. Be2 Qd7 32. Bd1 Rh3 33. Be2 g3 34. hxg3 Rxg3+ 35. Kf2 Qh3 36. Ke1 Qh1+ 37. Kd2 Qh4 38. Kc3 Qh3 39. Qb3 Qd7 40. Ra8 Ke6 41. Qb8 Rg8 42. Bd1 f5 43. Ra7 Qd8 44. Qa8 fxe4 1/2-1/2

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.06"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Kolodziej, Przemyslaw"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2025"]
[BlackElo "1654"]
[PlyCount "49"]
[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 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 Bg4 6. Bb5 exd4 7. Qxd4 a6 8. Bxc6+ bxc6 9. Bg5 Be7 10. 0-0-0 h6 11. Bxf6 Bxf6 12. e5 Bg5+ 13. Kb1 Bxf3 14. gxf3 d5 15. f4 Be7 16. Rhg1 Rg8 17. f5 Qb8 18. Qa4 Kf8 19. f6 gxf6 20. Qh4 Rxg1 21. Rxg1 Bd8 22. exf6 Qa7 23. Re1 Kg8 24. Qg4+ Kh8 25. Qg7# 1-0

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.05"]
[Round "2"]
[White "Kapusta, Pawel"]
[Black "Koziej, Maciej"]
[Result "1/2-1/2"]
[ECO "C74"]
[WhiteElo "1555"]
[BlackElo "2025"]
[PlyCount "60"]
[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 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nge7 6. d3 g6 7. 0-0 Bg7 8. Nbd2 0-0 9. h3 h6 10. Nh2 f5 11. f4 Kh7 12. fxe5 dxe5 13. Qe2 f4 14. Ndf3 Be6 15. Bd2 Qd6 16. Rad1 Bxa2 17. Be1 Be6 18. Bf2 b5 19. Bc2 Rad8 20. Rd2 Nc8 21. b4 Qe7 22. Ra1 Nd6 23. Rxa6 Bd7 24. Rd1 g5 25. Bc5 Nb8 26. Ra7 Bc8 27. Ra3 Nc6 28. Rda1 Bb7 29. Bb3 Ra8 30. Rxa8 Rxa8 1/2-1/2

[Event "Sielpia op"]
[Site "Sielpia"]
[Date "2010.08.04"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Wojcik, Dawid"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2025"]
[PlyCount "51"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 a6 12. g4 Nd7 13. Bxg7 Kxg7 14. h4 Rh8 15. Qd4+ f6 16. g5 Qf8 17. f4 Kf7 18. gxf6 Nxf6 19. e5 dxe5 20. fxe5 Nh5 21. Be2 Ng7 22. Ne4 Kg8 23. Ng5 Nf5 24. Qb6 Bf7 25. e6 Be8 26. Qxb7 1-0

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.14"]
[Round "11"]
[White "Wiewiora, Eneasz"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2042"]
[BlackElo "2025"]
[PlyCount "57"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Pszczyna PSSz U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. 0-0 Be6 10. Bxe6 Qxe6 11. Nxd4 Nxd4 12. Qxd4 Rd8 13. Qh4 Qe2 14. Be3 Qxb2 15. Nd2 Rxd2 16. Bxd2 Qxd2 17. Rfd1 Qxc3 18. Rac1 Qa3 19. Qe4 e6 20. Qxb7 Bd6 21. Rc8+ Nxc8 22. Qxc8+ Ke7 23. Qxh8 Qxa2 24. Qxg7 Qc2 25. Qd4 Qc5 26. Qh4+ Ke8 27. Qxh7 a5 28. Qe4 Bxh2+ 29. Kf1 1-0

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.13"]
[Round "10"]
[White "Koziej, Maciej"]
[Black "Adamowicz, Maciej"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2025"]
[BlackElo "1978"]
[PlyCount "62"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Grzybowo GKSz Solny U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. h3 Na5 10. 0-0 b6 11. Re1 Bb7 12. Bg5 Nxb3 13. axb3 a6 14. Nd5 Nxd5 15. exd5 Re8 16. c4 Qc7 17. Qd2 Qd7 18. Rad1 e5 19. dxe6 fxe6 20. Nf3 Bxf3 21. gxf3 e5 22. h4 Qh3 23. Qxd6 h6 24. Bf6 Qxf3 25. Bxg7 Qg4+ 26. Kf1 Qh3+ 27. Kg1 Qg4+ 28. Kf1 Qh3+ 29. Kg1 Qg4+ 30. Kf1 Qh3+ 31. Kg1 Qg4+ 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.12"]
[Round "8"]
[White "Koziej, Maciej"]
[Black "Grochulski, Grzegorz"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2025"]
[BlackElo "2045"]
[PlyCount "66"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Warszawa UKS Czternastka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. e5 c5 8. Be4 Rb8 9. Be3 b4 10. Ne2 Qc7 11. 0-0 Nh6 12. Ng5 cxd4 13. Nxd4 dxe5 14. Nde6 fxe6 15. Nxe6 Qa5 16. f5 Nxf5 17. Qd3 Bf6 18. g4 Nc5 19. Nxc5 Nxe3 20. Bc6+ Kf7 21. Qxe3 Bxg4 22. Qxe5 Qb6 23. Rae1 Kg7 24. Rxf6 exf6 25. Qe7+ Kh6 26. Qd6 Rhc8 27. Qf4+ Kg7 28. Re7+ Kg8 29. Bd5+ Kh8 30. Qd4 Qxc5 31. Re8+ Kg7 32. Qxc5 Rxc5 33. Rxb8 Rxd5 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.12"]
[Round "9"]
[White "Ziebinski, Bartosz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1954"]
[BlackElo "2025"]
[PlyCount "82"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Czestochowa UKS Hetman U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. c4 Qe5 12. f4 Qe7 13. 0-0-0 c5 14. Nb3 b6 15. Be2 a5 16. Bf3 Ra7 17. a3 Be6 18. Qf2 Bxc4 19. Nd2 Be6 20. g4 c4 21. Bd4 c3 22. Ne4 cxb2+ 23. Kxb2 f5 24. Ng5 Rd7 25. Rhe1 Rf6 26. Kb1 Qxa3 27. Nxe6 Rxe6 28. Rxe6 Bxd4 29. Qa2 Qb4+ 30. Kc1 Qc3+ 31. Kb1 Kg7 32. Bd5 Rxd5 33. Re7+ Kf8 34. Rb7 Qb4+ 35. Kc1 Be3+ 36. Kc2 Qe4+ 37. Kb3 a4+ 38. Ka3 Bc5+ 39. Kb2 Qe2+ 40. Kc3 Qxa2 41. Rxb8+ Kg7 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.11"]
[Round "7"]
[White "Koziej, Maciej"]
[Black "Swiech, Przemyslaw"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2025"]
[BlackElo "2166"]
[PlyCount "76"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Krakow KKSz 1893 U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. 0-0 Nf6 12. Nc2 0-0 13. b3 Bg4 14. f3 Be6 15. Be3 Qd7 16. Nd5 Rae8 17. a4 Bd8 18. Nxf6+ gxf6 19. f4 f5 20. b4 exf4 21. Bxf4 Bf6 22. Ra3 Ne5 23. Ne3 Kh8 24. Qh5 Rg8 25. Rd1 Ng6 26. Bg5 Be5 27. Nd5 Qg7 28. Bf1 f4 29. Kh1 Nf8 30. h4 Bf7 31. Qf3 Ne6 32. Nxf4 Nxg5 33. hxg5 Qxg5 34. Nh3 Qg7 35. Qxb7 Rb8 36. Qa7 Rxb4 37. Qxa6 Bxc4 38. Qc6 d5 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.10"]
[Round "6"]
[White "Licznerski, Lukasz"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2024"]
[BlackElo "2025"]
[PlyCount "99"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bydgoszcz Hetman U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Nbd7 8. f4 exf4 9. Nf3 h6 10. Bxf4 Bc5 11. Nd4 Ng4 12. Rd2 g5 13. Bg3 Kc8 14. Ncb5 Nge5 15. Nxe6 fxe6 16. Rxd7 Nxd7 17. Nxc7 Rb8 18. Nxe6 Be3+ 19. Kb1 Nc5 20. Nxc5 Bxc5 21. Bxb8 Kxb8 22. Be2 Rf8 23. Bf3 Bd6 24. c3 Kc7 25. h3 Be5 26. Kc2 Rd8 27. Re1 b6 28. Bg4 Kc6 29. Re2 Rd6 30. b4 a5 31. a3 axb4 32. axb4 Kc7 33. Rf2 Rc6 34. Rf7+ Kb8 35. Rf3 Kc7 36. Kb3 b5 37. Rd3 Kb6 38. Bd7 Rd6 39. Rxd6+ Bxd6 40. g4 Be5 41. Be8 Bf6 42. c4 bxc4+ 43. Kxc4 Kc7 44. Kd5 Bc3 45. b5 Kd8 46. b6 Ba5 47. Kc6 Bc3 48. Bd7 Be5 49. Bf5 Bf4 50. Kb7 1-0

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.09"]
[Round "5"]
[White "Wach, Bartosz"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1653"]
[BlackElo "2025"]
[PlyCount "60"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce Fart U19"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. 0-0 Be7 6. b3 0-0 7. c4 bxc4 8. bxc4 c5 9. e3 Na6 10. Nc3 cxd4 11. exd4 Rc8 12. Qb3 Rb8 13. Qa4 d6 14. Rb1 Qd7 15. Qa5 Rfc8 16. Nd2 Bxg2 17. Rxb8 Nxb8 18. Kxg2 Nc6 19. Qa6 Nxd4 20. Ba3 Rc6 21. Qa4 Qb7 22. f3 Ra6 23. Qb4 Rb6 24. Qa4 g5 25. h3 Nd7 26. Rb1 Rxb1 27. Ndxb1 Qxf3+ 28. Kh2 Qf2+ 29. Kh1 Nf3 30. Qxd7 Qg1# 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.08"]
[Round "4"]
[White "Koziej, Maciej"]
[Black "Obrusnik, Michal"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2025"]
[BlackElo "2196"]
[PlyCount "142"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Raciborz KSz Silesia U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. b3 Nf6 8. Bd3 0-0 9. 0-0 Nd7 10. N1c3 a6 11. Na3 Nc5 12. Nc2 Bg5 13. b4 Ne6 14. Nd5 Bxc1 15. Qxc1 Ncd4 16. Qe3 Nxc2 17. Bxc2 Nd4 18. Bd3 g5 19. Rad1 Be6 20. Bb1 Bxd5 21. exd5 f5 22. c5 dxc5 23. bxc5 Qxd5 24. Qxg5+ Kh8 25. Bxf5 Rf7 26. Qh5 Rg7 27. f3 Qxc5 28. Kh1 Qe7 29. Be4 Rag8 30. Rf2 Rg5 31. Qh4 Qg7 32. f4 Rg4 33. Qh3 Ne6 34. Bf5 Rxf4 35. Bxe6 Rxf2 36. Bxg8 Qxg8 37. g3 Qf8 38. Kg1 Qc5 39. Kh1 Qc6+ 40. Kg1 Qc5 41. Kh1 Qf8 42. Kg1 Rc2 43. Rf1 Qc5+ 44. Kh1 Qd5+ 45. Kg1 Qd4+ 46. Kh1 Qe4+ 47. Kg1 Qe3+ 48. Kh1 Rc1 49. Rxc1 Qxc1+ 50. Kg2 Qc2+ 51. Kg1 Qb1+ 52. Kf2 Qxa2+ 53. Ke3 Qc4 54. Qf5 Qc5+ 55. Ke2 Qb5+ 56. Ke3 Qc5+ 57. Ke2 Qe7 58. h4 Kg7 59. h5 Qf6 60. Qd7+ Qf7 61. Qg4+ Kh6 62. Ke1 Qg7 63. Qh4 Qg5 64. Qh3 Qxh5 65. Qe6+ Qg6 66. Qxe5 Qb1+ 67. Kf2 Qb6+ 68. Kg2 Qc6+ 69. Kh3 Kg6 70. g4 Qf3+ 71. Kh4 Qf6+ 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.07"]
[Round "3"]
[White "Koziej, Maciej"]
[Black "Leczycki, Pawel"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2025"]
[BlackElo "2004"]
[PlyCount "51"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Gliwice Carbo U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 d4 6. Ne2 Bd6 7. d3 a6 8. Bxc6+ bxc6 9. h3 0-0 10. 0-0 Be6 11. Ng3 Qd7 12. Kh2 c5 13. b3 c6 14. Nh4 Kh8 15. Nhf5 Ng8 16. Nxd6 Qxd6 17. f4 exf4 18. Bxf4 Qd7 19. Qh5 Qe7 20. Rae1 c4 21. dxc4 Qxa3 22. Be5 d3 23. Bxg7+ Kxg7 24. Qg5+ Kh8 25. Nh5 Qb2 26. e5 1-0

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.06"]
[Round "1"]
[White "Koziej, Maciej"]
[Black "Latocha, Aleksander"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2025"]
[BlackElo "1929"]
[PlyCount "78"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kielce KMKSz Victoria U19"]
[BlackTeam "Imielin MKSz Diagonalia U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. dxc5 Nf6 6. exd5 Qxd5 7. Nb3 Qxd1+ 8. Kxd1 Bd7 9. Bd3 Rc8 10. h3 Nb4 11. Be3 Ba4 12. Ke2 Nfd5 13. Bd4 f6 14. Rhe1 e5 15. Kf1 Nxd3 16. cxd3 Kf7 17. Nxe5+ fxe5 18. Rxe5 Nb4 19. Bc3 Nxd3 20. Rf5+ Kg6 21. Rf3 Bxb3 22. axb3 Nxc5 23. b4 Ne4 24. Rxa7 Nxc3 25. bxc3 Rc7 26. Ra8 Rf7 27. Rxf7 Kxf7 28. Rb8 Ke6 29. Rxb7 Be7 30. Ke2 Bf6 31. c4 Ra8 32. f4 Kf5 33. c5 Ke4 34. c6 Ra2+ 35. Kd1 Kd3 36. Rd7+ Bd4 37. Rxd4+ Kxd4 38. c7 Ra8 39. b5 Kc5 0-1

[Event "POL-chT U19 2nd League"]
[Site "Chelm Lubelski"]
[Date "2010.07.06"]
[Round "2"]
[White "Szusterowski, Radoslaw"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2042"]
[BlackElo "2025"]
[PlyCount "91"]
[EventDate "2010.07.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Chorzowskie Towarzystwo Szachowe"]
[BlackTeam "Kielce KMKSz Victoria U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nf3 Nc6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Nb4 6. Na3 a5 7. c3 Na6 8. Qb3 Qc8 9. Nh4 Bg6 10. Nxg6 hxg6 11. e4 c6 12. Re1 dxe4 13. Nc4 a4 14. Qc2 Qd8 15. Bxe4 Ne7 16. Bg5 Nc7 17. Ne5 Ncd5 18. Nxg6 fxg6 19. Bxg6+ Kd7 20. Qe4 Nc7 21. Bf7 Ra5 22. Bxe6+ Nxe6 23. Qxe6+ Ke8 24. Bxe7 Bxe7 25. Re4 Rh6 26. Qg8+ Kd7 27. Qxg7 Rah5 28. Rae1 Rxh2 29. Rxe7+ Kc8 30. Qg4+ Kb8 31. Re8 Rh1+ 32. Kg2 R1h2+ 33. Kf3 Rf6+ 34. Qf4+ Rxf4+ 35. gxf4 Kc7 36. Rxd8 Kxd8 37. a3 Kd7 38. f5 Rh3+ 39. Kf4 Rh4+ 40. Kg5 Rh2 41. Re2 Rg2+ 42. Kf4 b5 43. f6 Rg8 44. Kf5 Kd6 45. f7 Rf8 46. Kf6 1-0

[Event "POL-ch U18"]
[Site "Karpacz"]
[Date "2010.03.14"]
[Round "11"]
[White "Koziej, Maciej"]
[Black "Kowalczyk, Pawel"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2010"]
[BlackElo "2113"]
[PlyCount "61"]
[EventDate "2010.03.06"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 d6 2. e4 e5 3. Nf3 Nd7 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Bxd8 8. Be3 Nf6 9. f3 0-0 10. Nd2 c6 11. a4 Bb6 12. Nf1 Rd8 13. a5 Bc7 14. Nd2 Bd7 15. b4 b5 16. axb6 axb6 17. 0-0 b5 18. Bb3 Be6 19. Bxe6 fxe6 20. Nb3 Nd7 21. Rfd1 Rxa1 22. Nxa1 Nb6 23. Rxd8+ Bxd8 24. Bxb6 Bxb6+ 25. Kf1 Kf7 26. Nb3 Ke7 27. Ke2 Kd6 28. Kd3 Bg1 29. h3 Bb6 30. c3 h6 31. Nc1 1/2-1/2

[Event "POL-ch U18"]
[Site "Karpacz"]
[Date "2010.03.13"]
[Round "10"]
[White "Kowalczuk, Mikolaj"]
[Black "Koziej, Maciej"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1882"]
[BlackElo "2010"]
[PlyCount "59"]
[EventDate "2010.03.06"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. bxc3 exd4 10. cxd4 Nge7 11. Rb1 0-0 12. Bd3 Qg5 13. Qc2 Qg2 14. Ke2 Ng6 15. Qc4 Rfe8 16. Bxg6 Qxg6 17. Rhg1 Qf6 18. Bc3 Qf5 19. e4 Rxe4+ 20. fxe4 Qxe4+ 21. Kd2 Ne5 22. Qf1 Nf3+ 23. Kc1 Nxg1 24. Qxg1 Re8 25. Kb2 Qe2+ 26. Ka1 Qc4 27. Bb2 a5 28. d5 g6 29. Qg5 f5 30. Qf6 1-0

