[Event "Gizycko U18 op 13th"]
[Site "Gizycko"]
[Date "2011.11.19"]
[Round "4.14"]
[White "Sienko, Mateusz"]
[Black "Prokopowicz, Anna"]
[Result "0-1"]
[ECO "B11"]
[BlackElo "1230"]
[PlyCount "116"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nc3 Nf6 4. exd5 cxd5 5. Bf4 Bf5 6. Nf3 Nc6 7. a3 e6 8. h3 Bd6 9. Bg5 0-0 10. Qd2 h6 11. Bh4 Be7 12. Bg3 Qb6 13. b3 Rfd8 14. Na4 Qa6 15. d4 b5 16. Nc5 Bxc5 17. dxc5 Ne4 18. Qe2 Nxg3 19. fxg3 Rab8 20. b4 Nxb4 21. Nd4 Re8 22. Qd1 Nc6 23. a4 Qa5+ 24. Kf2 Qc3 25. Nxc6 Qxc5+ 26. Qd4 Qxc6 27. Bxb5 Qxc2+ 28. Kg1 Be4 29. Qf2 Qxf2+ 30. Kxf2 Rec8 31. Rac1 Rxc1 32. Rxc1 Rb7 33. h4 d4 34. Rc8+ Kh7 35. Bc6 Bxc6 36. Rxc6 Rd7 37. Rc2 e5 38. Kf3 f5 39. g4 d3 40. Rd2 fxg4+ 41. Kxg4 e4 42. Kf4 Rf7+ 43. Ke3 Kg6 44. g4 h5 45. g5 Kf5 46. Rg2 Rd7 47. a5 d2 48. Rxd2 Rxd2 49. Kxd2 Kf4 50. Ke2 Kg4 51. Ke3 Kxh4 52. Kxe4 Kxg5 53. Kd5 h4 54. Kc6 h3 55. a6 h2 56. Kb7 h1Q+ 57. Kxa7 Qg1+ 58. Ka8 Qc5 0-1

[Event "Gizycko U18 op 13th"]
[Site "Gizycko"]
[Date "2011.11.18"]
[Round "5.16"]
[White "Daliga, Anita"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "98"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. Be3 Bb6 8. d4 exd4 9. Bxd4 Nxd4 10. Nxd4 Qe7 11. Qd3 Bd7 12. Nb3 Bc6 13. Nd2 0-0-0 14. 0-0-0 Bxf2 15. Rhf1 Bb6 16. Kb1 Rhe8 17. Rfe1 Rf8 18. Re2 Nd7 19. Nf3 Ne5 20. Qd2 Nxc4 21. Qf4 Bd7 22. e5 Ne3 23. Rd3 dxe5 24. Qxe5 Qxe5 25. Nxe5 f6 26. Nxd7 Rxd7 27. Rxd7 Kxd7 28. Rd2+ Kc8 29. Kc1 Rd8 30. Na4 Rxd2 31. Kxd2 Nxg2 32. Nxb6+ cxb6 33. Kd3 Nf4+ 34. Ke4 Nxh3 35. c4 Nf4 36. Kxf4 g5+ 37. Kg4 Kc7 38. b4 a5 39. b5 a4 40. a3 Kd6 41. Kf5 h5 42. Ke4 Kc5 43. Kf3 f5 44. Kg3 f4+ 45. Kf3 h4 46. Kg4 Kxc4 47. Kxg5 f3 48. Kxh4 f2 49. Kg3 f1Q 0-1

[Event "Gizycko U18 op 13th"]
[Site "Gizycko"]
[Date "2011.11.18"]
[Round "1.10"]
[White "Garbowski, Jakub"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1570"]
[PlyCount "55"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "5"]
[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. d3 a6 5. Ba4 h6 6. Nbd2 d6 7. c3 Bd7 8. Qe2 Na7 9. Bb3 Be6 10. Bc2 Ng6 11. Nb3 Be7 12. Be3 Nh4 13. Nxh4 Bxh4 14. d4 Bd7 15. dxe5 dxe5 16. Rd1 Qc8 17. h3 0-0 18. 0-0 Bb5 19. c4 Bc6 20. f4 exf4 21. Bxf4 Kh8 22. Qh5 Be7 23. e5 g6 24. Qxh6+ Kg8 25. Bg5 Bxg5 26. Qxg5 Qe6 27. Rf6 Qxc4 28. Rxg6+ 1-0

[Event "Gizycko U18 op 13th"]
[Site "Gizycko"]
[Date "2011.11.18"]
[Round "3.16"]
[White "Kindler, Karolina"]
[Black "Sienko, Mateusz"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "95"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 4. Bc4 d6 5. d3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Bg5 Qd7 9. Qd2 h6 10. Be3 Bb6 11. Nh4 Nd4 12. Bxd4 Bxd4 13. Nxg6 fxg6 14. 0-0-0 g5 15. f3 Ne7 16. Ne2 Bb6 17. h4 gxh4 18. Rxh4 Rf8 19. Rf1 Ng6 20. Rhh1 Nf4 21. Nxf4 exf4 22. Qb4 Be3+ 23. Kb1 0-0-0 24. Qb3 Rf6 25. Bg8 Qe8 26. Bd5 c6 27. Bc4 b5 28. Bxb5 cxb5 29. Qc3+ Kb7 30. Rxh6 gxh6 31. Qxf6 Qh8 32. Qxh8 Rxh8 33. Rh1 Bd4 34. c3 Bf6 35. Rh5 Bg5 36. Kc2 Kc6 37. d4 a5 38. Kb3 a4+ 39. Kc2 Rc8 40. Rh2 Kd7 41. Kd3 Ke6 42. Kc2 b4 43. Kd3 bxc3 44. bxc3 Rb8 45. Kc4 a3 46. Kd3 Rb2 47. Rxb2 axb2 48. Kc2 1/2-1/2

[Event "Gizycko U18 op 13th"]
[Site "Gizycko"]
[Date "2011.11.18"]
[Round "2.13"]
[White "Sienko, Mateusz"]
[Black "Szwajkowska, Kamila"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1328"]
[PlyCount "64"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. h3 g5 8. Bg3 Qe7 9. c3 Bd7 10. Qb3 Na5 11. Qc2 Nxc4 12. dxc4 Bc6 13. Nbd2 a6 14. 0-0 Qe6 15. Kh1 Nh5 16. Nh2 0-0-0 17. Ng4 Rdf8 18. Qd1 Nf4 19. Bxf4 exf4 20. f3 h5 21. Nf2 Bxf2 22. Rxf2 g4 23. fxg4 hxg4 24. Rxf4 gxh3 25. gxh3 Rxh3+ 26. Kg2 Rg8+ 27. Kf2 Rh2+ 28. Ke3 Rg3+ 29. Rf3 Qh6+ 30. Kd3 Rxd2+ 31. Qxd2 Rxf3+ 32. Kc2 Bxe4+ 0-1

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.26"]
[Round "9"]
[White "Radzewicz, Pawel"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "55"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 exd4 6. cxd4 d6 7. Bb5 Bd7 8. 0-0 a6 9. Ba4 h6 10. h3 Nf6 11. Nc3 0-0 12. Re1 Ne7 13. Bb3 Ng6 14. Qc2 Nh7 15. e5 Bc6 16. Qxg6 Bxf3 17. gxf3 Bxd4 18. Bxh6 Bxe5 19. Rxe5 Qf6 20. Qxf6 Nxf6 21. Rf5 Nh7 22. Be3 g6 23. Rf4 Kg7 24. Rg4 f5 25. Rg2 Nf6 26. Bd4 c5 27. Bxf6+ Kxf6 28. Re1 1-0

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.24"]
[Round "6"]
[White "Barmuta, Bartosz"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1527"]
[PlyCount "45"]
[EventDate "2011.01.22"]
[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 d5 2. e3 e6 3. Nf3 c5 4. c3 Nc6 5. Bd3 Bd6 6. 0-0 Qc7 7. h3 c4 8. Bc2 Nge7 9. Nbd2 Ng6 10. e4 0-0 11. e5 Be7 12. Bxg6 fxg6 13. Qc2 b6 14. b3 cxb3 15. axb3 a5 16. Bb2 Ba6 17. Rfe1 Rf7 18. Rac1 Raf8 19. c4 dxc4 20. bxc4 Bb4 21. d5 exd5 22. cxd5 Na7 23. Qxc7 1-0

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.24"]
[Round "5"]
[White "Sienko, Mateusz"]
[Black "Poplawski, Maciej"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "58"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. b3 e6 8. Bb2 Ngf6 9. Be2 Bd6 10. h3 Qc7 11. Nf1 0-0 12. Qd2 a5 13. 0-0-0 b5 14. d4 Nd5 15. Bd3 Bxd3 16. Qxd3 a4 17. Ng5 Bf4+ 18. Kb1 Bxg5 19. Ng3 Be7 20. Ne4 Nb4 21. Qc3 axb3 22. axb3 Nb6 23. Nc5 N6d5 24. Qd2 h6 25. c3 Na6 26. Nxa6 Rxa6 27. Kc2 Bg5 28. Qd3 Rb6 29. c4 Nb4+ 0-1

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.23"]
[Round "3"]
[White "Rudzinska, Michalina"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "122"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 exd4 6. cxd4 d6 7. Be3 h6 8. Nbd2 Nf6 9. 0-0 0-0 10. h3 Re8 11. Qc2 d5 12. exd5 Nxd5 13. Qd3 Ndb4 14. Qg6 Qf6 15. Qxf6 gxf6 16. Bxh6 Nxd4 17. Nxd4 Bxd4 18. Rfe1 Rd8 19. Re4 Rd7 20. Re8+ Kh7 21. Bf4 Nc6 22. Bd3+ Kg7 23. Re4 Bxf2+ 24. Kxf2 Rxd3 25. Rh1 Be6 26. Bxc7 Rxd2+ 27. Kg3 Rg8 28. Kh2 Kf8 29. Rg1 Rxb2 30. Bd6+ Ke8 31. Kh1 Rh8 32. Re3 Kd7 33. Rd3 Kc8 34. Re1 Rg8 35. Rg1 Rxa2 36. Rc3 a5 37. Be7 f5 38. Bf6 a4 39. Be7 Kb8 40. Bd6+ Ka8 41. Kh2 Nd4 42. Re3 Nb3 43. Kh1 Bd5 44. Kh2 Raxg2+ 45. Rxg2 Rxg2+ 46. Kh1 Re2+ 47. Kg1 Rxe3 48. Kf2 Rxh3 49. Ke1 Nd2 50. Kxd2 Ba2 51. Kc2 a3 52. Bb8 Bb1+ 53. Kxb1 Rf3 54. Ba7 Kxa7 55. Ka2 f4 56. Kb1 Rf2 57. Ka1 Rg2 58. Kb1 b5 59. Ka1 b4 60. Kb1 b3 61. Ka1 Rg1# 0-1

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.23"]
[Round "4"]
[White "Sienko, Mateusz"]
[Black "Wierzbilo, Mateusz"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "80"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. h3 Be6 8. Bb3 a6 9. Nc3 Bb4 10. Qd2 Bxc3 11. bxc3 Bxb3 12. axb3 0-0 13. 0-0 Qd7 14. Nh2 Qe6 15. f4 exf4 16. Qxf4 Nd7 17. Bf2 Nde5 18. Be3 Ng6 19. Qf2 Qe7 20. Nf3 Nd8 21. Nd4 Ne6 22. Nf5 Qd8 23. Bd2 Ne7 24. Nxe7+ Qxe7 25. Qg3 Kh7 26. Qf3 Kh8 27. e5 c6 28. exd6 Qxd6 29. Bf4 Nxf4 30. Qxf4 Qxf4 31. Rxf4 f6 32. Kf2 Rfe8 33. Re1 Kg8 34. Rfe4 Kf7 35. Kf3 Rxe4 36. Rxe4 Re8 37. Rd4 Re7 38. Rd8 Kg6 39. h4 Kf5 40. g4+ Kg6 1/2-1/2

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.22"]
[Round "2"]
[White "Sienko, Mateusz"]
[Black "Lada, Michal"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "1663"]
[PlyCount "80"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 Nf6 4. b3 dxe4 5. Nxe4 Nxe4 6. dxe4 Qxd1+ 7. Kxd1 Nd7 8. Nf3 Nf6 9. Bd3 Bg4 10. Ke2 0-0-0 11. h3 Bh5 12. Bb2 Bg6 13. Nh2 Nxe4 14. Rad1 Nf6 15. Bxf6 exf6 16. Rhe1 Bd6 17. Kf1 Bxh2 18. g3 Bxd3+ 19. Rxd3 Rxd3 20. cxd3 Kd7 21. Kg2 Bxg3 22. Kxg3 Re8 23. Rxe8 Kxe8 24. Kf3 Kd7 25. d4 Ke6 26. Ke3 Kd5 27. Kd3 f5 28. f3 g5 29. a3 f4 30. a4 f5 31. Kc3 a5 32. Kd3 h5 33. Kc3 g4 34. fxg4 fxg4 35. hxg4 hxg4 36. Kd3 g3 37. Ke2 Ke4 38. Kf1 Kf3 39. d5 g2+ 40. Kg1 Kg3 0-1

[Event "Suwalki-ch"]
[Site "Suwalki"]
[Date "2011.01.22"]
[Round "1"]
[White "Wierzbicki, Michael"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "130"]
[EventDate "2011.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 h6 6. d3 Be6 7. Bb3 Qd7 8. Be3 Bb6 9. 0-0 Nf6 10. Qd2 Nh7 11. Nh2 0-0 12. Bxb6 axb6 13. f4 exf4 14. Qxf4 Nd4 15. Qf2 Nxb3 16. axb3 f6 17. Qd4 Bf7 18. Nd5 Ng5 19. Nf3 Ne6 20. Qc3 Qd8 21. Nd4 c6 22. Nxe6 Bxe6 23. Rxa8 Qxa8 24. Nxb6 Qa7 25. Qb4 d5 26. exd5 Bxd5 27. Kh1 Re8 28. Nxd5 cxd5 29. Qb5 Rd8 30. Qa4 Qc5 31. c3 Qe3 32. Qd4 Qxd4 33. cxd4 Rc8 34. Rf5 Rd8 35. Kg1 Kf7 36. Kf2 g6 37. Rf3 Rc8 38. Re3 Rc2+ 39. Re2 Rxe2+ 40. Kxe2 b5 41. Kf3 g5 42. Kg4 Kg6 43. Kf3 h5 44. g3 Kf5 45. h4 b4 46. hxg5 fxg5 47. g4+ Kg6 48. Kg3 hxg4 49. Kxg4 Kf6 50. Kf3 Kf5 51. Kg3 g4 52. Kg2 Kf4 53. Kf2 g3+ 54. Kg2 Kg4 55. Kg1 Kf3 56. Kf1 Ke3 57. Kg2 Kxd4 58. Kxg3 Kxd3 59. Kf2 Kd2 60. Kf3 d4 61. Kf2 d3 62. Kf1 Kd1 63. Kf2 d2 64. Kf1 Kc1 65. Kf2 d1Q 0-1

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.28"]
[Round "7"]
[White "Sienko, Mateusz"]
[Black "Radzewicz, Piotr"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "56"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. h3 Nf6 6. Bg5 h6 7. Bh4 Be6 8. Bb3 Qe7 9. Nc3 g5 10. Bg3 0-0-0 11. Nd5 Bxd5 12. Bxd5 Nxd5 13. exd5 Nd4 14. c4 Rhe8 15. 0-0 f5 16. Nxd4 Bxd4 17. Qd2 Qg7 18. Rab1 h5 19. b3 g4 20. h4 f4 21. Bxf4 exf4 22. Qxf4 Rf8 23. Qe4 g3 24. Qe6+ Qd7 25. Qxd7+ Rxd7 26. Rbe1 gxf2+ 27. Rxf2 Bxf2+ 28. Kf1 Bxe1+ 0-1

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.28"]
[Round "8"]
[White "Zielinski, Piotr"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "99"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Ne7 4. Nf3 f6 5. Nc3 b6 6. a3 Bb7 7. b4 c6 8. c5 bxc5 9. bxc5 Nd7 10. Be2 Ng6 11. 0-0 e5 12. h3 e4 13. Nh2 Be7 14. f4 0-0 15. Bd2 f5 16. Rb1 Bc8 17. Rb4 Bh4 18. Be1 Bxe1 19. Rxe1 Qh4 20. Bf1 Qg3 21. Qe2 Nh4 22. Kh1 Nf6 23. Rb2 Nh5 24. Qf2 Be6 25. Qxg3 Nxg3+ 26. Kg1 Rab8 27. Reb1 Rxb2 28. Rxb2 Nxf1 29. Nxf1 Rf7 30. a4 Re7 31. a5 Bc8 32. Nd2 Rb7 33. Rxb7 Bxb7 34. Na2 Ng6 35. Nb4 Ne7 36. a6 Bc8 37. Nb3 Kf8 38. Na5 Bd7 39. Kf2 Ke8 40. Kg3 h5 41. Kh4 g6 42. Kg5 Kd8 43. Nb7+ Ke8 44. Nd6+ Kf8 45. Kf6 Be8 46. Nxe8 Kxe8 47. g3 Kf8 48. h4 Ke8 49. Ke6 Kd8 50. Kd6 1-0

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.27"]
[Round "5"]
[White "Sienko, Mateusz"]
[Black "Pietkiewicz, Lukasz"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "90"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 c5 2. d3 e6 3. b3 Qc7 4. Bb2 a6 5. Nd2 b5 6. Be2 Bb7 7. Ngf3 d6 8. c4 b4 9. e5 Nd7 10. exd6 Qxd6 11. Qc2 Ngf6 12. Bxf6 Nxf6 13. 0-0 Ng4 14. g3 Ne5 15. Nxe5 Qxe5 16. Bf3 Qc7 17. Bxb7 Qxb7 18. a3 a5 19. axb4 axb4 20. Qb2 Rd8 21. Qc2 Qd7 22. Ne4 Qxd3 23. Qxd3 Rxd3 24. Ra8+ Rd8 25. Ra5 Rc8 26. Rd1 Be7 27. Nd6+ Bxd6 28. Rxd6 0-0 29. Raa6 h6 30. Rac6 Kh7 31. Rxc8 Rxc8 32. Rd7 Kg6 33. h4 f5 34. Kg2 Kf6 35. Kf3 g5 36. h5 g4+ 37. Kf4 Ra8 38. Rh7 e5+ 39. Ke3 Kg5 40. Rc7 Ra5 41. f4+ exf4+ 42. gxf4+ Kxh5 43. Rc6 Ra3 44. Rxc5 Rxb3+ 45. Kf2 Rf3+ 0-1

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.27"]
[Round "6"]
[White "Wierzbilo, Mateusz"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "27"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 Be7 5. Nc3 Nf6 6. d3 Be6 7. Bb3 Qd7 8. Be3 0-0-0 9. Ba4 d5 10. Nxe5 Qd6 11. Nxc6 bxc6 12. exd5 cxd5 13. Qf3 d4 14. Qa8# 1-0

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.26"]
[Round "4"]
[White "Mendak, Mateusz"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "100"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Be3 Bb6 6. Nc3 d6 7. Nd5 Bg4 8. c3 Nf6 9. h3 Bh5 10. Qc2 Bxf3 11. gxf3 Nxd5 12. Bxd5 Qf6 13. Qe2 0-0-0 14. 0-0-0 Ne7 15. Bb3 Ng6 16. Bxb6 axb6 17. Qe3 Nh4 18. d4 Nxf3 19. d5 Rd7 20. Rd3 Nh4 21. Qg3 Qf4+ 22. Kb1 Qxe4 23. Bc2 Qxh1+ 24. Rd1 Qg2 25. Qxh4 Kb8 26. Be4 Qg5 27. Qxg5 hxg5 28. Bf5 Re7 29. Rg1 g6 30. Bg4 f6 31. Be6 Rh4 32. b3 Rf4 33. Rg2 c6 34. Bg8 Rg7 35. Be6 Rh7 36. Rh2 Rf3 37. c4 f5 38. dxc6 bxc6 39. Bg8 Rhxh3 40. Rxh3 Rxh3 41. Bf7 Rf3 42. Bxg6 Rxf2 43. Be8 g4 44. Bxc6 g3 45. b4 g2 46. Bxg2 Rxg2 47. a4 f4 48. c5 f3 49. cxd6 f2 50. d7 f1Q# 0-1

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.25"]
[Round "1"]
[White "Galaszewski, Patryk"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1778"]
[PlyCount "45"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 d6 2. c4 e6 3. Nc3 Nd7 4. e4 Be7 5. f4 b6 6. Nf3 Bb7 7. Bd3 c5 8. d5 Ngf6 9. 0-0 h6 10. b3 0-0 11. Bb2 Ne8 12. e5 Nc7 13. Be4 dxe5 14. fxe5 exd5 15. cxd5 Na6 16. d6 Bxe4 17. dxe7 Qxe7 18. Nxe4 f6 19. Qd5+ Kh8 20. exf6 Nxf6 21. Nxf6 gxf6 22. Rfe1 Nb4 23. Qxa8 1-0

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.25"]
[Round "3"]
[White "Sienko, Mateusz"]
[Black "Surazynski, Kacper"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "50"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Be6 8. Nd5 Bxd5 9. Bxd5 Qd7 10. Bxf6 gxf6 11. Qd2 0-0-0 12. 0-0-0 a6 13. Nh4 Ne7 14. Bxf7 f5 15. Ng6 Nxg6 16. Bxg6 fxe4 17. dxe4 Qg7 18. Bf5+ Kb8 19. g3 Qf7 20. b3 d5 21. Qe2 dxe4 22. Qxe4 Rxd1+ 23. Rxd1 Qh5 24. Qxe5 Ba3+ 25. Kb1 Qxd1# 0-1

[Event "Suwalki op"]
[Site "Suwalki"]
[Date "2010.01.25"]
[Round "2"]
[White "Sienko, Mateusz"]
[Black "Wasilewski, Piotr"]
[Result "0-1"]
[ECO "C58"]
[PlyCount "72"]
[EventDate "2010.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb3 Nxb3 7. axb3 Nxd5 8. d3 Be7 9. Nf3 Bg4 10. h3 Bh5 11. Qe2 f6 12. Nc3 Nxc3 13. bxc3 Qd5 14. c4 Bxf3 15. cxd5 Bxe2 16. Kxe2 Bc5 17. Ba3 Bd4 18. Ra2 0-0-0 19. c4 Rhe8 20. Bb2 Re7 21. Re1 Rde8 22. Kf1 a6 23. Bxd4 exd4 24. Rxe7 Rxe7 25. Re2 Kd7 26. Rxe7+ Kxe7 27. Ke2 Kd6 28. Kd2 Kc5 29. Kc2 b6 30. f4 Kb4 31. Kb2 g6 32. g4 h6 33. h4 f5 34. gxf5 gxf5 35. h5 a5 36. Ka2 Kc3 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.27"]
[Round "9.10"]
[White "Sienko, Mateusz"]
[Black "Barmuta, Bartosz"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "50"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 a6 4. b3 Nc6 5. Nge2 Nf6 6. g3 Ne5 7. Nf4 Be7 8. Bb2 Qc7 9. Bg2 b6 10. 0-0 Bb7 11. d4 cxd4 12. Qxd4 Bc5 13. Qd2 0-0 14. Rad1 Rad8 15. Nd3 Nxd3 16. Qxd3 Bc6 17. Ne2 Be7 18. f3 d5 19. cxd5 exd5 20. Qc3 dxe4 21. fxe4 Rxd1 22. Rxd1 Qb7 23. Qe5 Re8 24. Nf4 Bc5+ 25. Qxc5 bxc5 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.26"]
[Round "8.10"]
[White "Schwarz, Andreas"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1925"]
[PlyCount "46"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. c5 Bf5 5. Nf3 Nbd7 6. Bf4 Ne4 7. Nxe4 Bxe4 8. Nd2 e5 9. Nxe4 dxe4 10. dxe5 Bxc5 11. e6 fxe6 12. Qc2 Qf6 13. Be3 Bxe3 14. fxe3 0-0 15. 0-0-0 Nb6 16. Qxe4 Qf5 17. Qc2 Qxc2+ 18. Kxc2 Nd5 19. e4 Ne3+ 20. Kc1 Nxd1 21. Kxd1 Rad8+ 22. Kc2 Rf4 23. h4 Rdf8 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.25"]
[Round "7.11"]
[White "Sienko, Mateusz"]
[Black "Sobolewski, Dawid"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "60"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Be2 Nf6 5. d3 d6 6. Be3 Bb6 7. Qd2 Nd4 8. 0-0-0 Be6 9. a3 Nxf3 10. Bxf3 c6 11. d4 exd4 12. Bxd4 Bc7 13. Qg5 0-0 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. Ne2 Rad8 17. Nf4 d5 18. Nh5 Be5 19. Rd3 dxe4 20. Bxe4 Rxd3 21. Bxd3 Bg4 22. Ng3 Bf4+ 23. Kb1 Re8 24. f3 Bd7 25. Nh5 Bg5 26. Ng3 Bh4 27. Nh5 Re5 28. Nf4 Bf5 29. g3 Bxd3 30. gxh4 Bb5 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.24"]
[Round "6.11"]
[White "Sienko, Mateusz"]
[Black "Haraburda, Jan"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "29"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Qe7 5. Nxf7 Rg8 6. Ng5 h6 7. Bf7+ Kd8 8. Bxg8 hxg5 9. Bd5 Nxd5 10. exd5 Nb4 11. Nc3 Qd6 12. Qf3 c6 13. 0-0 cxd5 14. Nb5 Qb6 15. Qxf8# 1-0

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.22"]
[Round "5.10"]
[White "Ostrowski, Michal"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1427"]
[PlyCount "65"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. Nc3 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. e4 d6 6. Bg5 Bd7 7. Nf3 Ne5 8. Qb3 Nxf3+ 9. gxf3 Qc8 10. Bxf6 gxf6 11. Rg1 Bh3 12. 0-0-0 b6 13. Bc4 Be6 14. Nd5 Bh6+ 15. f4 Bxd5 16. exd5 Bxf4+ 17. Kb1 Bxh2 18. Rde1+ Be5 19. f4 Qf5 20. fxe5 fxe5 21. Bb5+ Ke7 22. Bc6 Rag8 23. Rgf1 Qg4 24. a4 Qg3 25. Re3 Qg2 26. Ref3 Rg7 27. Qd3 Qg4 28. Qe2 h5 29. Qa6 Qc8 30. Qxa7 h4 31. Rh3 Qxh3 32. Qxc7+ Kf8 33. Qd8# 1-0

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.22"]
[Round "4.11"]
[White "Sienko, Mateusz"]
[Black "Fuchs, Thomas"]
[Result "0-1"]
[ECO "A33"]
[BlackElo "2045"]
[PlyCount "80"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. b3 Nf6 4. Nc3 e6 5. g3 Qc7 6. Bg2 a6 7. Nge2 Nc6 8. 0-0 Be7 9. Bb2 Bd7 10. d4 cxd4 11. Nxd4 0-0 12. a3 Rfd8 13. f4 Qb6 14. Na4 Qa7 15. Kh1 Rac8 16. Nxc6 Bxc6 17. Bd4 Qb8 18. Nb6 Rc7 19. Qc2 Nd7 20. b4 Bb5 21. Rfc1 Nxb6 22. Bxb6 Rxc4 23. Qb3 Rxc1+ 24. Rxc1 Rc8 25. Rc2 Rc6 26. Bd4 Rxc2 27. Qxc2 Bc6 28. Bb2 e5 29. Qc3 Bf6 30. Qd2 b5 31. Qe3 Qc7 32. Qd2 g6 33. Bf3 Kg7 34. h3 Qd7 35. Kh2 Bb7 36. Qc3 Qc6 37. Qxc6 Bxc6 38. Kg2 h6 39. Kf2 g5 40. Ke3 exf4+ 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.21"]
[Round "3.5"]
[White "Janocha, Jan"]
[Black "Sienko, Mateusz"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1822"]
[PlyCount "45"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nf6 8. Bg5 Bg4 9. Qd3 h6 10. Bh4 Bxf3 11. gxf3 g5 12. Bg3 d5 13. exd5 Nxd5 14. Kd1 Nxc3+ 15. bxc3 Ba3 16. Re1+ Ne7 17. Be5 Rg8 18. Qh7 Rf8 19. Bg7 Rg8 20. Qxg8+ Kd7 21. Qxf7 Qe8 22. Qe6+ Kd8 23. Bf6 1-0

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.21"]
[Round "2.10"]
[White "Korzun, Jakub"]
[Black "Sienko, Mateusz"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "76"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d4 exd4 6. Nxd4 Bd7 7. 0-0 Nf6 8. Nc3 g6 9. h3 Bg7 10. Bg5 0-0 11. Bxf6 Qxf6 12. Qd3 Qxd4 13. Qxd4 Bxd4 14. Ne2 Bxb2 15. Rab1 Bg7 16. Rb7 Rfc8 17. Nc3 Bxc3 18. Rb3 Bd4 19. c3 Bb6 20. c4 Re8 21. Re1 Bf5 22. c5 Bxc5 23. Rb7 Bb6 24. a4 Bc8 25. Rxb6 axb6 26. Re3 Rxa4 27. f3 f5 28. Kh2 fxe4 29. fxe4 Rexe4 30. Rf3 Bxh3 31. gxh3 Ra2+ 32. Kg3 h5 33. h4 Rg4+ 34. Kh3 c5 35. Rf6 Rag2 36. Rf8+ Kh7 37. Rh8+ Kg7 38. Rxh5 R4g3# 0-1

[Event "Augustow op"]
[Site "Augustow"]
[Date "2009.06.20"]
[Round "1.3"]
[White "Sienko, Mateusz"]
[Black "Wasik, Piotr"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1982"]
[PlyCount "64"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. b3 d6 4. Nc3 Nf6 5. g3 b6 6. Bg2 Bb7 7. f3 g6 8. Nge2 Bg7 9. 0-0 Nbd7 10. Bb2 a6 11. d4 cxd4 12. Nxd4 0-0 13. Qd3 Nc5 14. Qe3 Qc7 15. f4 Rfe8 16. e5 dxe5 17. Qxe5 Qxe5 18. fxe5 Bxg2 19. Kxg2 Ng4 20. Nf3 Ne3+ 21. Kf2 Nxf1 22. Kxf1 Nd3 23. Rb1 Nxb2 24. Rxb2 Red8 25. Ke1 f6 26. exf6 Bxf6 27. Rc2 Rac8 28. Na4 Rc6 29. Nb2 b5 30. a4 Bxb2 31. Rxb2 bxa4 32. bxa4 Rxc4 0-1

