[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.31"]
[Round "9.16"]
[White "Matejczyk, Jakub"]
[Black "Tsesler, Yakau"]
[Result "0-1"]
[ECO "C71"]
[WhiteElo "1555"]
[BlackElo "1786"]
[PlyCount "24"]
[EventDate "2017.12.27"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Qxd4 c5 9. Bxf7+ Kxf7 10. Qd5+ Be6 11. Qh5+ g6 12. Qf3+ Nf6 0-1

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.30"]
[Round "7.28"]
[White "Strepikowski, Pawel"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1457"]
[BlackElo "1555"]
[PlyCount "44"]
[EventDate "2017.12.27"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Bxd5 Bxe5 14. Bxc6 Bxh2+ 15. Kxh2 Qd6+ 16. Kg1 Qxc6 17. Qd3 Bb7 18. Qg3 Rae8 19. Be3 f5 20. Nd2 f4 21. Qg5 fxe3 22. fxe3 Rxe3 0-1

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.29"]
[Round "6.26"]
[White "Matejczyk, Jakub"]
[Black "Lendzion, Kamil"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1555"]
[BlackElo "1671"]
[PlyCount "62"]
[EventDate "2017.12.27"]
[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 a6 3. Nc3 b5 4. d4 cxd4 5. Nxd4 Bb7 6. f3 e6 7. a3 Nc6 8. Be2 Bc5 9. Nb3 Ba7 10. Bf4 Qb6 11. Rf1 Rc8 12. Qd2 Nf6 13. Rd1 Bb8 14. Be3 Qc7 15. g3 Na5 16. Nc5 d6 17. Nxb7 Nxb7 18. Bf4 0-0 19. h4 Nh5 20. g4 Nxf4 21. Qxf4 Qe7 22. g5 f5 23. exf5 Rxf5 24. Qg4 Rcf8 25. Bd3 Nc5 26. Ne4 Nxd3+ 27. Rxd3 Kh8 28. Kd1 d5 29. Nd2 Rf4 30. Qh5 g6 31. Qh6 Be5 0-1

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.28"]
[Round "4.21"]
[White "Matejczyk, Jakub"]
[Black "Kozlowski, Piotr"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1555"]
[BlackElo "1715"]
[PlyCount "75"]
[EventDate "2017.12.27"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Be3 Bg4 8. h3 Bh5 9. Nc3 c6 10. g4 Bg6 11. Bg2 Nbd7 12. a3 Nb6 13. Nd2 h5 14. g5 Nfd7 15. b4 f6 16. h4 Kf7 17. f4 Re8 18. Nf1 Bf5 19. Kd2 g6 20. Re1 Bg7 21. Ng3 Be6 22. Rhf1 f5 23. Bf3 Kf8 24. Rh1 Bf7 25. Nd1 Bd5 26. c4 Bxf3 27. Qxf3 Qf7 28. Re2 d5 29. c5 d4 30. cxb6 dxe3+ 31. Ke1 Nxb6 32. Rxe3 Qb3 33. Rh2 Kf7 34. Rhe2 Qxa3 35. Nxf5 Rxe3 36. Qxe3 Qxb4+ 37. Kf1 gxf5 38. Qe6+ 1-0

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.28"]
[Round "3.26"]
[White "Matejczyk, Jakub"]
[Black "Kuleba, Ivan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1555"]
[BlackElo "1658"]
[PlyCount "68"]
[EventDate "2017.12.27"]
[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 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Nxd4 10. Bxd4 Bd7 11. Rc1 Bc6 12. f3 a5 13. Qd2 Nd7 14. Bxg7 Kxg7 15. g4 Nc5 16. h4 Qb6 17. Kg2 Ne6 18. Rcd1 a4 19. Rh1 h6 20. f4 f5 21. Nd5 Bxd5 22. cxd5 Nc7 23. exf5 gxf5 24. Rhg1 fxg4 25. Bxg4 Rf6 26. Kh3 Kh8 27. Bf3 Rff8 28. Qg2 Ne8 29. Rde1 Rxf4 30. Bh5 Qd4 31. Qg3 Ng7 32. Bg4 h5 33. Rxe7 hxg4+ 34. Kh2 Nf5 0-1

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.27"]
[Round "2.23"]
[White "Dubrawski, Janusz"]
[Black "Matejczyk, Jakub"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1772"]
[BlackElo "1555"]
[PlyCount "93"]
[EventDate "2017.12.27"]
[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 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 d6 7. Bb5 Bd7 8. Qb3 Nb6 9. 0-0 d5 10. Nc3 Ne7 11. Bg5 c6 12. Bd3 h6 13. Bh4 g5 14. Bg3 Bf5 15. Rad1 Bxd3 16. Rxd3 Nf5 17. Re1 g4 18. Nd2 h5 19. Bf4 Bh6 20. Ne2 Bxf4 21. Nxf4 Qg5 22. g3 h4 23. a4 hxg3 24. fxg3 Qh6 25. Nf1 0-0-0 26. a5 Nc4 27. a6 b6 28. e6 Rde8 29. Qc2 fxe6 30. b3 Na5 31. Re5 Kd7 32. Qe2 Nxb3 33. Rxb3 Nxd4 34. Qd1 Nxb3 35. Qxb3 Kd6 36. Qe3 Qf6 37. Nd3 c5 38. Nd2 c4 39. Qd4 Qh6 40. Nxc4+ Kc7 41. Re2 dxc4 42. Qxc4+ Kd8 43. Ne5 Rh7 44. Qd4+ Kc8 45. Rc2+ Kb8 46. Qd6+ Ka8 47. Qc6+ 1-0

[Event "Bialystok Zamenhof Memorial-C 35th"]
[Site "Bialystok"]
[Date "2017.12.27"]
[Round "1.15"]
[White "Poplawski, Maciej"]
[Black "Matejczyk, Jakub"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1871"]
[BlackElo "1555"]
[PlyCount "85"]
[EventDate "2017.12.27"]
[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 Nf6 2. Nc3 g6 3. e4 d6 4. f3 Bg7 5. Be3 0-0 6. Nge2 e5 7. d5 Nbd7 8. g4 a5 9. Ng3 Nc5 10. h4 Bh8 11. Qd2 Bd7 12. Bh6 Qe7 13. g5 Ne8 14. Bxf8 Kxf8 15. Bd3 c6 16. 0-0-0 Nc7 17. Bc4 Ne8 18. Nf1 f5 19. gxf6 Bxf6 20. Kb1 Kg7 21. Ne3 Kh8 22. a3 Bxh4 23. Ng2 Bg5 24. f4 exf4 25. Nxf4 Kg7 26. dxc6 bxc6 27. Qh2 Nf6 28. Rdg1 Bxf4 29. Qxf4 Be6 30. e5 dxe5 31. Qxe5 Re8 32. Re1 Qf8 33. Bxe6 Rxe6 34. Qc7+ Qf7 35. Qxa5 Ncd7 36. Qc7 h5 37. a4 h4 38. Reg1 Qe7 39. a5 c5 40. Qb7 Nh5 41. a6 Rb6 42. Qc8 Ne5 43. Nd5 1-0

[Event "Bialystok-ch U18"]
[Site "Bialystok"]
[Date "2014.01.29"]
[Round "5"]
[White "Matejczyk, Jakub"]
[Black "Jurewicz, Andrzej"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1276"]
[PlyCount "54"]
[EventDate "2014.01.27"]
[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. Nf3 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Bb4+ 7. Nd2 0-0 8. a3 Be7 9. 0-0 d5 10. e5 Ng4 11. Nf3 f5 12. h3 Nh6 13. Bxh6 gxh6 14. c4 Kh8 15. Qc2 d4 16. Qa4 Bb7 17. b4 c5 18. Qa5 c6 19. Rfe1 cxb4 20. axb4 c5 21. bxc5 Qc8 22. Nxd4 Bxc5 23. Nb5 Qc6 24. Bf1 Rg8 25. Kh1 Rxg2 26. Qc7 Rg1+ 27. Kh2 Qh1# 0-1

[Event "Bialystok-ch U18"]
[Site "Bialystok"]
[Date "2014.01.27"]
[Round "2"]
[White "Kozlowski, Pawel"]
[Black "Matejczyk, Jakub"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1561"]
[BlackElo "1276"]
[PlyCount "129"]
[EventDate "2014.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c3 d5 2. d4 Nf6 3. Nf3 Nc6 4. Bf4 e6 5. Nbd2 Bd7 6. e3 Be7 7. Bd3 0-0 8. Ne5 Nxe5 9. dxe5 Ne8 10. h4 g6 11. Bh6 Ng7 12. Qg4 f5 13. exf6 Bxf6 14. Bg5 e5 15. Qg3 Nh5 16. Qh2 Bxg5 17. hxg5 Qxg5 18. Nf3 Qf6 19. Qxe5 Qxe5 20. Nxe5 Nf6 21. 0-0-0 Rae8 22. Nf3 c6 23. Rh4 Bg4 24. Rdh1 Bxf3 25. gxf3 Kg7 26. f4 h5 27. Rg1 Ng4 28. Kd2 Rf6 29. f5 Ne5 30. Rf4 Nxd3 31. Kxd3 Ref8 32. Rb4 b6 33. fxg6 Rxg6 34. Rxg6+ Kxg6 35. Ke2 Kg5 36. Rd4 h4 37. f4+ Kg4 38. Kf2 h3 39. Rd1 Re8 40. Rg1+ Kh4 41. Rg7 Rh8 42. Rxa7 h2 43. Kg2 Kg4 44. Rg7+ Kf5 45. Kh1 Ke4 46. Rg3 Kd3 47. a3 Ke2 48. Rg6 Kf2 49. f5 Rf8 50. f6 b5 51. Rg4 Kxe3 52. Rg6 Kd3 53. Kxh2 c5 54. Kg1 Ke4 55. Rh6 Kd3 56. Kf1 Kc2 57. Rh2+ Kb3 58. Rf2 d4 59. cxd4 cxd4 60. Kg2 Kc4 61. Kg3 d3 62. Rf4+ Kb3 63. Rf2 Kc4 64. Rf4+ Kb3 65. Rf2 1/2-1/2

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "6"]
[White "Kopec, Norbert"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1329"]
[BlackElo "1276"]
[PlyCount "56"]
[EventDate "2014.04.??"]
[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. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Neg5+ Ke8 8. d3 h6 9. Nh3 Bg4 10. Nhg1 Qf6 11. h3 Be6 12. Ne2 Bc5 13. Nc3 Rd8 14. Bd2 g5 15. Na4 Bd6 16. Nh2 Rf8 17. Qf3 Qe7 18. Qe2 Nd4 19. Qd1 Qf7 20. f3 e4 21. dxe4 Bg3+ 22. Kf1 dxe4 23. b3 exf3 24. gxf3 Bxh3+ 25. Kg1 Qe6 26. Nc5 Ne2+ 27. Qxe2 Qxe2 28. Ne4 Qg2# 0-1

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "3"]
[White "Matejczyk, Jakub"]
[Black "Halupko, Danil"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1276"]
[PlyCount "49"]
[EventDate "2014.04.??"]
[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 Nc6 6. Be3 Bd7 7. f3 e6 8. Qd2 Be7 9. Bc4 a6 10. 0-0-0 Qc7 11. Bb3 Na5 12. g4 Nxb3+ 13. cxb3 h6 14. h4 0-0-0 15. Kb1 Kb8 16. Rc1 Bc6 17. Nxc6+ bxc6 18. Na4 Rde8 19. Qc3 c5 20. b4 Qd7 21. Qb3 cxb4 22. Qxb4+ Qb5 23. Qd4 Qb7 24. Rc3 Ka8 25. Rb3 1-0

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "7"]
[White "Matejczyk, Jakub"]
[Black "Kozlowski, Andrzej"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1276"]
[PlyCount "89"]
[EventDate "2014.04.??"]
[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 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. Bd3 Nc6 7. Nge2 Bg4 8. Be3 0-0 9. 0-0 Re8 10. h3 dxc4 11. Bxc4 Bh5 12. a3 Bxc3 13. bxc3 Ne4 14. Qc2 Qf6 15. Nf4 Bg6 16. Nxg6 hxg6 17. Rab1 Rab8 18. Bd5 Nd6 19. Rfd1 Ne7 20. Bf3 Nef5 21. Bc1 Nh4 22. Bd5 c6 23. Ba2 Re7 24. d5 c5 25. Be3 Rbe8 26. Bc4 Ne4 27. Rbc1 a6 28. a4 Nf5 29. Bf4 Nfd6 30. Bxd6 Nxd6 31. Bd3 c4 32. Bf1 Qf4 33. g3 Qf3 34. Qd2 Ne4 35. Qd4 Nd6 36. Qb6 Qf6 37. a5 Qe5 38. Qd4 Qf5 39. Qb6 Ne4 40. Bxc4 Qxh3 41. Bf1 Qg4 42. Qd4 Qd7 43. c4 Ng5 44. Qf4 Re4 45. Qd2 0-1

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "1"]
[White "Matejczyk, Jakub"]
[Black "Moniuszko, Mateusz"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1276"]
[PlyCount "53"]
[EventDate "2014.04.??"]
[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. Bb5 Bc5 4. 0-0 Bd6 5. d4 Nxd4 6. Nxd4 exd4 7. Qxd4 Nf6 8. e5 c5 9. Qxd6 Ne4 10. Qd5 f5 11. exf6 Nxf6 12. Qe5+ Qe7 13. Qxe7+ Kxe7 14. Re1+ Kd8 15. Bg5 Rf8 16. Nc3 h6 17. Bxf6+ Rxf6 18. Rad1 a6 19. Be2 b5 20. Ne4 Rg6 21. Nxc5 Rb8 22. Bh5 Rg5 23. Ne6+ Ke7 24. Nxg5+ Kf6 25. Nh7+ Kf5 26. Rd5+ Kf4 27. g3# 1-0

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "9"]
[White "Matejczyk, Jakub"]
[Black "Ziziuk, Martyna"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1276"]
[BlackElo "1418"]
[PlyCount "57"]
[EventDate "2014.04.??"]
[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. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nxc6 bxc6 7. Bc4 Nf6 8. Nc3 Be7 9. 0-0 0-0 10. h3 Be6 11. Bb3 Nd7 12. f4 Bxb3 13. axb3 Bf6 14. Be3 Nb6 15. Kh2 Re8 16. Bd4 c5 17. Bxf6 Qxf6 18. Qf3 c6 19. Ra6 Qe7 20. Re1 Qc7 21. Ne2 Reb8 22. c4 Nd7 23. Ng3 Rb6 24. Ra3 a5 25. Rd1 Nf6 26. Nf5 Ne8 27. Qc3 d5 28. e5 d4 29. Rxa5 0-1

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "8"]
[White "Pytel, Przemyslaw"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1535"]
[BlackElo "1276"]
[PlyCount "106"]
[EventDate "2014.04.??"]
[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. Bc4 Nf6 4. d3 Be7 5. c3 0-0 6. Nbd2 d5 7. Bb3 Bg4 8. h3 Bh5 9. 0-0 dxe4 10. Nxe4 Bg6 11. Bc2 Nd5 12. Re1 h6 13. Ng3 Bd6 14. Ne4 f5 15. Nxd6 Qxd6 16. Bb3 Bf7 17. Bd2 Kh7 18. a3 Rg8 19. c4 Nf6 20. Bc3 Rae8 21. Qd2 Nd7 22. Bc2 g5 23. b4 g4 24. hxg4 Rxg4 25. Nh2 Rg7 26. f3 Reg8 27. Re2 Nd4 28. Bxd4 Qxd4+ 29. Kf1 Qxa1+ 30. Re1 Qd4 31. Qe2 Rxg2 32. Qxg2 Rxg2 33. Kxg2 Qc3 34. Re2 Qxa3 35. b5 Kg7 36. Kh3 Kf6 37. Kg2 Nc5 38. d4 exd4 39. Bxf5 Kxf5 40. Ng4 Nd3 41. Kg3 h5 42. Nh2 Qd6+ 43. Kg2 Nf4+ 44. Kf2 Nxe2 45. Kxe2 Qxh2+ 46. Kd3 Qf4 47. c5 Qe3+ 48. Kc2 Qc3+ 49. Kd1 Qxf3+ 50. Kd2 Qe3+ 51. Kc2 Bb3+ 52. Kb2 Qc3+ 53. Ka3 Bc2+ 0-1

[Event "Bialystok Spring qual"]
[Site "Bialystok"]
[Date "2014.??.??"]
[Round "4"]
[White "Sadowski, Filip"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1105"]
[BlackElo "1276"]
[PlyCount "138"]
[EventDate "2014.04.??"]
[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. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 a6 8. Bxc6 dxc6 9. Nb5 cxb5 10. Bxc5 Bd7 11. Qd4 Qg6 12. g3 Nc6 13. Qe3 0-0-0 14. Nd2 Rhe8 15. 0-0-0 Ne5 16. f3 Bc6 17. Rhe1 Nd3+ 18. Kb1 Nxe1 19. Rxe1 f5 20. Bd4 fxe4 21. fxe4 Rd6 22. Ka1 Rde6 23. e5 Qh5 24. Nb3 b6 25. Nc1 Bb7 26. Qf4 c5 27. Nd3 cxd4 28. cxd4 Qxh2 29. Rc1+ Kb8 30. Qf7 R6e7 31. Qf4 Qh6 32. e6+ Qxf4 33. gxf4 Rxe6 34. Ne5 Rd8 35. f5 Red6 36. Nf7 Rxd4 37. Nxd8 Rxd8 38. Rg1 Be4 39. b3 Rd7 40. Re1 Bxf5 41. Re8+ Kc7 42. Rf8 Be4 43. Re8 Bc6 44. Rh8 g5 45. Rg8 h5 46. Rxg5 Rh7 47. Rg3 h4 48. Rh3 Bg2 49. Rh2 h3 50. Kb2 Rd7 51. Kc3 Kd8 52. a4 bxa4 53. bxa4 Ke7 54. Kc4 Kf6 55. a5 bxa5 56. Kb3 Rd1 57. Ka4 Rh1 58. Rxh3 Bxh3 59. Kxa5 Ra1+ 60. Kb4 a5+ 61. Kb3 a4+ 62. Kb2 Rg1 63. Ka3 Bd7 64. Kb2 Ke5 65. Ka3 Kd4 66. Kb2 Kd3 67. Ka3 Kc3 68. Ka2 Be6+ 69. Ka3 Ra1# 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "8.5"]
[White "Gugala, Zuzanna"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "66"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Be3 a6 7. Bc4 Be7 8. 0-0 Bg4 9. h3 Bh5 10. Be2 Bg6 11. Qd2 Nxe4 12. Bd3 Nxd2 13. Bxd2 Bxd3 14. cxd3 0-0 15. d5 Nd4 16. Nxd4 exd4 17. Ne4 Bf6 18. b4 Re8 19. a4 Qd7 20. Rfe1 Qf5 21. Ng3 Qxd3 22. Rxe8+ Rxe8 23. Rd1 Qc4 24. Ne4 d3 25. Ng3 Qc2 26. Re1 Rxe1+ 27. Bxe1 d2 28. Bxd2 Qxd2 29. Kh2 Be5 30. b5 axb5 31. a5 Qxf2 32. a6 Bxg3+ 33. Kh1 Qf1# 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "3.4"]
[White "Iwaniuk, Pawel"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "62"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 Bg4 7. h3 Bh5 8. Be3 Bb6 9. Nbd2 Na5 10. Bb3 Nxb3 11. axb3 0-0 12. Qe2 Qd7 13. Ra2 Bxe3 14. Qxe3 a6 15. c4 c5 16. g4 Bg6 17. Nh4 Qe6 18. Nxg6 fxg6 19. f4 Nd7 20. f5 gxf5 21. gxf5 Qe7 22. Qg3 Nf6 23. Raa1 Nh5 24. Qg4 Nf4 25. Rf2 Nxd3 26. Rf3 Nf4 27. Raf1 Kh8 28. R3f2 Rg8 29. Nb1 g6 30. Kh2 gxf5 31. Qxf5 Raf8 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "4.3"]
[White "Matejczyk, Jakub"]
[Black "Dolata, Marcin"]
[Result "1-0"]
[ECO "C79"]
[PlyCount "56"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. c3 Bd7 7. d4 exd4 8. cxd4 Be7 9. Nc3 h6 10. h3 0-0 11. Bc2 Re8 12. Re1 Nh7 13. Be3 Bg5 14. a3 Bxe3 15. Rxe3 Ng5 16. Nxg5 Qxg5 17. Qd3 Na7 18. Rg3 Qe7 19. Nd5 Qd8 20. e5 g6 21. Nf6+ Kf8 22. Nxe8 Qxe8 23. Re1 Nc6 24. Ree3 dxe5 25. dxe5 Bf5 26. Qc3 Bxc2 27. Qxc2 Nd4 28. Qc5+ Kg7 1-0

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "7.2"]
[White "Matejczyk, Jakub"]
[Black "Kozlowski, Pawel"]
[Result "0-1"]
[ECO "C05"]
[BlackElo "1439"]
[PlyCount "54"]
[EventDate "2013.01.21"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. 0-0 Ba6 10. Re1 cxd4 11. cxd4 c5 12. Nb3 c4 13. Nbd2 Rb8 14. a3 Be7 15. Nb1 0-0 16. Nc3 Rfc8 17. h3 Qb3 18. Qxb3 cxb3 19. Be3 Rxc3 20. bxc3 b2 21. Rab1 Bd3 22. Nd2 Bxb1 23. Rxb1 Bxa3 24. c4 Nb6 25. c5 Nc4 26. Nxc4 dxc4 27. Kf1 c3 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "2.1"]
[White "Matejczyk, Jakub"]
[Black "Kurnicki, Mateusz"]
[Result "0-1"]
[ECO "B75"]
[BlackElo "1491"]
[PlyCount "76"]
[EventDate "2013.01.21"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. Bc4 b5 10. Bb3 Bb7 11. 0-0-0 Rc8 12. h4 h5 13. Rdg1 Ne5 14. Kb1 Nc4 15. Bxc4 Rxc4 16. Qd3 Nd7 17. Nb3 Ne5 18. Qd2 Rc8 19. Qf2 Qc7 20. g4 Nc4 21. Bc1 Na3+ 22. Ka1 b4 23. Nd1 Nxc2+ 24. Kb1 Nd4 25. Ne3 Nxb3 26. axb3 Bd4 27. Qd2 Bxe3 28. Qxe3 Qc2+ 29. Ka1 Rc5 30. Qxc5 Qxc5 31. Rg2 Kd7 32. Bd2 Rc8 33. Rc1 Qa5+ 34. Kb1 Rxc1+ 35. Bxc1 hxg4 36. Rxg4 Qb5 37. Rf4 Qd3+ 38. Ka2 a5 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "9.5"]
[White "Matejczyk, Jakub"]
[Black "Niedzwiedzki, Marcin"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "114"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 g6 5. c3 b6 6. d3 Bb7 7. Be3 d5 8. Nxe5 dxe4 9. dxe4 Bg7 10. Nf3 0-0 11. Qd2 a6 12. Ba4 Ne5 13. Bc2 Nxf3+ 14. gxf3 Nc6 15. Qxd8 Raxd8 16. Nd2 Ne5 17. Rad1 a5 18. h3 Ba6 19. Rfe1 Rxd2 20. Bxd2 Nxf3+ 21. Kg2 Nxe1+ 22. Bxe1 Be2 23. Rd7 Be5 24. Bb3 Bb5 25. Rd5 a4 26. Rxb5 axb3 27. Rxb3 Re8 28. f3 Bg7 29. Bg3 Be5 30. Rb5 Bxg3 31. Kxg3 Rd8 32. Rd5 Rxd5 33. exd5 Kf8 34. Kf4 Ke7 35. Ke5 f6+ 36. Kd4 Kd6 37. b4 b5 38. f4 h6 39. c4 bxc4 40. Kxc4 h5 41. h4 f5 42. a4 Kd7 43. Kc5 g5 44. fxg5 f4 45. Kd4 f3 46. Ke3 f2 47. Kxf2 Kd6 48. g6 Ke7 49. a5 Kf6 50. a6 Kxg6 51. a7 Kf5 52. a8Q Ke5 53. Qc6 Kd4 54. d6 cxd6 55. Qxd6+ Ke4 56. b5 Kf5 57. Qe7 Kg4 1-0

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "6.2"]
[White "Matejczyk, Jakub"]
[Black "Pytel, Przemyslaw"]
[Result "0-1"]
[ECO "B48"]
[BlackElo "1382"]
[PlyCount "146"]
[EventDate "2013.01.21"]
[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. Nc3 Qc7 6. Be3 a6 7. f3 b5 8. Qd2 Bb7 9. 0-0-0 Nf6 10. g4 Bb4 11. h4 Rc8 12. Be2 Na5 13. Nb3 Nxb3+ 14. axb3 Bxc3 15. bxc3 Qxc3 16. Qxc3 Rxc3 17. Bd4 Rc7 18. Be5 Rc6 19. Bd6 Kd8 20. Rd2 Ne8 21. Bg3 d6 22. Rhd1 Ke7 23. Kb2 e5 24. Bf1 Nc7 25. Bh3 Ne6 26. c3 Rhc8 27. Rd3 a5 28. g5 R8c7 29. Bxe6 Kxe6 30. Bf2 b4 31. c4 Ba6 32. Bg1 a4 33. bxa4 Bxc4 34. R3d2 Ba6 35. a5 Rd7 36. Rc1 Rxc1 37. Kxc1 Rc7+ 38. Kb2 Rc3 39. Rf2 Ra3 40. Rc2 Rxa5 41. Rc6 Be2 42. Rb6 Rb5 43. Rxb5 Bxb5 44. Bh2 Be2 45. f4 exf4 46. Bxf4 Bf3 47. Kb3 Bxe4 48. Kxb4 d5 49. Kc3 Kf5 50. Bg3 Kg4 51. Be1 f5 52. gxf6 gxf6 53. Kd4 h5 54. Ke3 f5 55. Bf2 f4+ 56. Ke2 Bf3+ 57. Kd3 Kh3 58. Kd2 Kg2 59. Bd4 Be4 60. Ke2 f3+ 61. Ke1 Bd3 62. Be3 Be4 63. Bd4 Kg3 64. Bf2+ Kf4 65. Bd4 Bd3 66. Bf2 Ke4 67. Kd2 d4 68. Ke1 Be2 69. Kd2 d3 70. Be3 Kf5 71. Bf2 Kg4 72. Ke1 Kh3 73. Kd2 Kg2 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "1.6"]
[White "Ptak, Marcin"]
[Black "Matejczyk, Jakub"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "38"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bb3 dxe4 7. Ng5 Qxg5 8. d4 Qxg2 9. Rf1 Bg4 10. Qd2 Rd8 11. c3 exd4 12. cxd4 Rxd4 13. Qg5 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 Rxd2 16. Kxd2 0-0 17. Rfe1 Qxf2+ 18. Re2 Qxe2+ 19. Kc3 Qd3# 0-1

[Event "Bialystok-ch U14"]
[Site "Bialystok"]
[Date "2013.01.21"]
[Round "5.1"]
[White "Szymaniuk, Daria"]
[Black "Matejczyk, Jakub"]
[Result "1/2-1/2"]
[ECO "C58"]
[PlyCount "40"]
[EventDate "2013.01.21"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 Nxc4 7. dxc4 Bc5 8. Nc3 Bf5 9. Na4 Bb6 10. c5 Ba5+ 11. c3 c6 12. d6 Qd7 13. b4 Bd8 14. Qe2 0-0 15. 0-0 Re8 16. Nb2 Nd5 17. Nd1 f6 18. Nf3 Be6 19. a3 b5 20. Re1 a5 1/2-1/2

[Event "World School-ch U11 7th"]
[Site "Krakow"]
[Date "2011.04.30"]
[Round "1"]
[White "Koziol, Kamil"]
[Black "Matejczyk, Jakub"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1710"]
[PlyCount "57"]
[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 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. c3 0-0 6. d4 exd4 7. cxd4 Bb6 8. d5 Ne7 9. Nc3 d6 10. Bg5 Bg4 11. Bxf6 gxf6 12. h3 Bd7 13. Bxd7 Qxd7 14. Nh4 Ng6 15. Nf5 Rae8 16. Qd2 Kh8 17. Rad1 Rg8 18. Qh6 Rxe4 19. Nxe4 Qxf5 20. Rde1 Ba5 21. Re2 Bb6 22. Kh1 Bd4 23. Nc3 Bxc3 24. bxc3 Qxd5 25. Rfe1 Qc6 26. f4 Rf8 27. f5 Rg8 28. fxg6 fxg6 29. Re7 1-0

