[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.15"]
[Round "7"]
[White "Mattiat, Kay"]
[Black "Raedisch, Peter"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1528"]
[BlackElo "1577"]
[PlyCount "64"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 a6 6. Bg5 h6 7. Be3 Bxe3 8. fxe3 d6 9. 0-0 Na5 10. Bb3 Nxb3 11. axb3 c6 12. d4 Ng4 13. Qe1 Qe7 14. h3 Nf6 15. Nh4 0-0 16. Nf5 Bxf5 17. Rxf5 Nh7 18. Qg3 f6 19. Qg4 Rad8 20. Rh5 Kh8 21. Ne2 Qd7 22. Qg3 Qf7 23. Qg4 Ng5 24. Ng3 Kh7 25. Rf1 Qg6 26. c3 Nf7 27. Qf5 Qxf5 28. exf5 d5 29. Rh4 e4 30. Nh5 Nd6 31. Rg4 Rf7 32. c4 dxc4 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.14"]
[Round "6"]
[White "Mattiat, Kay"]
[Black "Oelrichs, Manfred"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1528"]
[BlackElo "1532"]
[PlyCount "88"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 g6 2. d4 Nf6 3. Nc3 d5 4. Bd3 dxe4 5. Bxe4 Nxe4 6. Nxe4 Bg7 7. c3 0-0 8. Bf4 Qd5 9. Qf3 c6 10. Ne2 Bf5 11. N2g3 Be6 12. 0-0 h6 13. Rfd1 Nd7 14. Nd2 g5 15. Qxd5 cxd5 16. Bc7 b6 17. Nh5 Bh8 18. h3 Rac8 19. Bh2 Nf6 20. Nxf6+ exf6 21. g4 f5 22. f3 fxg4 23. fxg4 Kh7 24. Rf1 Rce8 25. Nf3 Bg7 26. Ne1 Kg6 27. Rf3 h5 28. Nd3 hxg4 29. hxg4 Bxg4 30. Rg3 f5 31. Rf1 Be2 32. Nf4+ Kh7 33. Nxe2 Rxe2 34. Rf2 Rxf2 35. Kxf2 g4 36. Rg1 Re8 37. Bf4 Re4 38. Kg3 Re2 39. Rg2 Rxg2+ 40. Kxg2 Kg6 41. Kg3 Kh5 42. b3 b5 43. Bd2 Bf6 44. Be1 Bh4+ 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.13"]
[Round "5"]
[White "Fieron, Andreas"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1405"]
[BlackElo "1528"]
[PlyCount "100"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Ne4 6. Bxe4 Bxe4 7. Nbd2 Bf5 8. h3 Nd7 9. c4 Nf6 10. Qa4+ c6 11. Nh4 Bd3 12. Qb3 Bxc4 13. Nxc4 dxc4 14. Qxb7 Rc8 15. Nf3 Nd5 16. 0-0 Nxf4 17. exf4 Rc7 18. Qa6 Qd5 19. Rac1 Bd6 20. Qxc4 Bxf4 21. Qxd5 exd5 22. Rfe1+ Kd7 23. Rc2 Re8 24. Rce2 Rxe2 25. Rxe2 f6 26. g3 Bh6 27. Ne1 Kd6 28. Kg2 Re7 29. Rxe7 Kxe7 30. Nc2 g5 31. h4 g4 32. f4 Ke6 33. Kf2 Bf8 34. h5 f5 35. Ne3 c5 36. dxc5 Bxc5 37. Ke2 d4 38. Nc4 d3+ 39. Kxd3 Bf2 40. Ke2 Bxg3 41. Ke3 Bh4 42. Ne5 Bf6 43. Nd3 Kd5 44. b3 Bd4+ 45. Ke2 Ke4 46. b4 g3 47. Ne1 Kxf4 48. a4 Kg4 49. h6 f4 50. Nf3 g2 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.11"]
[Round "4"]
[White "Mattiat, Kay"]
[Black "Ihlenfeldt, Felix"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1528"]
[BlackElo "1375"]
[PlyCount "61"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5 h6 7. Be3 Bb6 8. h3 0-0 9. a3 Be6 10. Ba2 Bxa2 11. Rxa2 d5 12. exd5 Nxd5 13. Qd2 Nxe3 14. fxe3 Re8 15. 0-0 Qd7 16. Kh1 Rad8 17. e4 Nd4 18. Nd5 Re6 19. Nh4 c6 20. Nxb6 axb6 21. Nf5 Rf6 22. Qf2 Kf8 23. Qh4 Nxc2 24. b4 Qxd3 25. Rf3 Qd1+ 26. Kh2 g5 27. Qh5 Nd4 28. Nxd4 Rxf3 29. Qxh6+ Ke8 30. Nxf3 Qb1 31. Qh8+ 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.09"]
[Round "3"]
[White "Chaichi Tehrani, Fereydoon"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "1406"]
[BlackElo "1528"]
[PlyCount "110"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. b3 Bc5 3. Bb2 d6 4. Nc3 Nf6 5. Bb5+ c6 6. Bc4 Be6 7. Bxe6 fxe6 8. Nf3 0-0 9. d4 exd4 10. Nxd4 Qe8 11. Na4 Nxe4 12. Nxc5 Nxc5 13. Qg4 e5 14. Nf5 Qd7 15. Nh6+ Kh8 16. Qxd7 Nbxd7 17. Ng4 Rf4 18. h3 Raf8 19. 0-0-0 h5 20. g3 Re4 21. b4 Rxb4 22. Ba3 Ra4 23. Bxc5 Nxc5 24. Ne3 d5 25. g4 Rxf2 26. gxh5 Rxa2 27. Kb1 Ra3 28. Ng4 Rf5 29. h6 Ne4 30. hxg7+ Kxg7 31. Kb2 Rg3 32. Rhg1 Rg5 33. Rxg3 Nxg3 34. c4 d4 35. Re1 e4 36. Nf2 e3 37. Nd3 Rf5 38. Rg1 Rg5 39. h4 Rg4 40. Ne5 Rxh4 41. Rxg3+ Kf6 42. Nf3 Re4 43. Kc2 e2 44. Rg1 Kf5 45. Kd3 Re3+ 46. Kxd4 Rxf3 47. Re1 Rf2 48. Ke3 Rh2 49. Kd2 Ke4 50. Rb1 b6 51. Rb4 Kf3 52. Rb3+ Kf2 53. Re3 Kf1 54. Rf3+ Rf2 55. Rxf2+ Kxf2 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.08"]
[Round "2"]
[White "Mattiat, Kay"]
[Black "Priess, Holger"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1528"]
[BlackElo "1339"]
[PlyCount "116"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bxe3 7. fxe3 0-0 8. 0-0 d6 9. a3 Bg4 10. Qe1 Bxf3 11. Rxf3 Ne7 12. Qg3 Ng6 13. Qxg6 d5 14. Bxd5 Nxd5 15. Qh5 Nxc3 16. bxc3 Qd6 17. Raf1 f6 18. Rg3 Kh8 19. Qg6 Qe7 20. Rf5 Qf7 21. d4 Qxg6 22. Rxg6 Kh7 23. Rg3 g6 24. Rf1 Rae8 25. d5 Re7 26. c4 Kg7 27. c5 c6 28. Rb1 Rd7 29. c4 Rc8 30. d6 g5 31. Rf3 Rb8 32. a4 b6 33. a5 Rdd8 34. axb6 axb6 35. Rxb6 Rxb6 36. cxb6 Rxd6 37. Rf1 c5 38. Rb1 Rd8 39. Kf2 Kf7 40. Kf3 h5 41. b7 Rb8 42. g4 h4 43. Ke2 Ke6 44. h3 Kd6 45. Rb6+ Kc7 46. Rxf6 Rxb7 47. Rf5 Rb2+ 48. Kd3 Rb3+ 49. Kc2 Rxe3 50. Rxe5 Rxh3 51. Rxc5+ Kd6 52. Rxg5 Rg3 53. e5+ Ke6 54. c5 h3 55. c6 h2 56. Rh5 Rxg4 57. Kd3 Rg5 58. Rxh2 Kxe5 1/2-1/2

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2014.06.07"]
[Round "1"]
[White "Andresen, Klaus"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1397"]
[BlackElo "1528"]
[PlyCount "45"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. c4 e5 2. g3 d5 3. Bg2 Nf6 4. cxd5 Nxd5 5. Nc3 Be6 6. Nf3 Nd7 7. 0-0 Bc5 8. d3 h6 9. d4 exd4 10. Nxd4 Bxd4 11. Qxd4 N7f6 12. Rd1 Nxc3 13. bxc3 c6 14. Ba3 Qxd4 15. cxd4 0-0-0 16. e4 Bc4 17. e5 Nd5 18. Rdc1 b5 19. Bd6 Kb7 20. a4 a6 21. Rab1 Kc8 22. Bh3+ Rd7 23. Rxc4 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.26"]
[Round "9"]
[White "Chaichi Tehrani, Fereydoon"]
[Black "Mattiat, Kay"]
[Result "1/2-1/2"]
[ECO "C27"]
[WhiteElo "1350"]
[BlackElo "1775"]
[PlyCount "117"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. h3 Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. Qf3 Qg6 9. Nge2 0-0 10. Nd5 Bb6 11. Bb5 Ba5+ 12. c3 Re8 13. b4 Bb6 14. a4 a6 15. Bxc6 bxc6 16. Nxb6 cxb6 17. 0-0 f5 18. exf5 Bxf5 19. d4 Be4 20. Qg3 Qh5 21. Qg4 Qxg4 22. hxg4 Bd3 23. Rfe1 e4 24. Nf4 Bc4 25. Rad1 Re7 26. d5 c5 27. Re3 Bb3 28. Rde1 g5 29. Nh5 Kf7 30. Rxe4 Rxe4 31. Rxe4 Bxd5 32. Re1 cxb4 33. cxb4 Rc8 34. Rd1 Ke6 35. Ng7+ Ke5 36. Nf5 Rc4 37. Ne7 Be6 38. Re1+ Kf6 39. Ng6 Bxg4 40. f3 Kxg6 41. fxg4 Rxg4 42. b5 Kf5 43. bxa6 Rxa4 44. Rd1 Ke6 45. Rd3 Rxa6 46. Rh3 Ra7 47. Rxh6+ Ke5 48. Kf2 Rd7 49. Ke3 b5 50. g4 Rg7 51. Rh5 b4 52. Rxg5+ Kf6 53. Rd5 Ke6 54. Ra5 Rb7 55. Kd2 d5 56. Kc2 b3+ 57. Kb2 d4 58. Rh5 Kf7 59. Rd5 1/2-1/2

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.25"]
[Round "8"]
[White "Mattiat, Kay"]
[Black "Krueger, Dietrich"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1775"]
[PlyCount "51"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d5 5. exd5 Qxd5 6. Nc3 Qd7 7. Bb5 Nc6 8. Be3 a6 9. Nxc6 bxc6 10. Ba4 Nf6 11. Qf3 Nd5 12. Rd1 Bb4 13. 0-0 Bxc3 14. bxc3 Qc7 15. c4 Nxe3 16. Bxc6+ Ke7 17. Bxa8 Nxf1 18. Bc6 Nxh2 19. Qa3+ Kf6 20. Qc3+ Ke7 21. Qxg7 Rf8 22. Qg5+ f6 23. Qc5+ Kf7 24. Be8+ Kxe8 25. Qxc7 Rf7 26. Rd8# 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.24"]
[Round "7"]
[White "Reiner, Oliver"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "1167"]
[BlackElo "1775"]
[PlyCount "35"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Bb2 d6 7. h3 Nxb4 8. d4 exd4 9. Nxd4 Nc6 10. Nxc6 bxc6 11. Bxg7 Qg5 12. Bxh8 Qxg2 13. Kd2 Qxf2+ 14. Qe2 Qf4+ 15. Kd1 f6 16. Qh5+ Kd8 17. Bxg8 Qxe4 18. Bxf6+ 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.23"]
[Round "6"]
[White "Mattiat, Kay"]
[Black "Kock, Rudolf"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1775"]
[BlackElo "1673"]
[PlyCount "75"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. c3 Qc7 7. Nd2 a6 8. Be2 d6 9. 0-0 e6 10. f4 Bd7 11. Qe1 0-0-0 12. Qf2 Kb8 13. N4f3 Qc8 14. Ng5 Be8 15. Bc4 h6 16. Ngf3 Nge7 17. Nd4 Na5 18. Bd3 e5 19. N4f3 Nac6 20. Nc4 b5 21. Nb6 Qb7 22. a4 Na7 23. Ra2 d5 24. exd5 Nxd5 25. axb5 Nxe3 26. Qxe3 Nxb5 27. Nxe5 Bxe5 28. Qxe5+ Ka7 29. Qxh8 Qxb6+ 30. Kh1 Bc6 31. Qe5 Rxd3 32. Qe2 Re3 33. Qc4 Qb7 34. b4 Rxc3 35. Qe2 Nc7 36. Rfa1 Bb5 37. Qd2 Rd3 38. Qc2 1/2-1/2

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.22"]
[Round "5"]
[White "Holznagel, Andreas"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "1775"]
[PlyCount "76"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Bg5 d6 8. 0-0 0-0 9. a3 h6 10. Bh4 Nd4 11. Nbd2 c6 12. c3 Ne6 13. Bxe6 Bxe6 14. h3 g5 15. Bg3 Nh5 16. Bh2 Ng7 17. b4 Bb6 18. Nb3 f5 19. Nfd2 f4 20. d4 h5 21. f3 Qd7 22. Rf2 Rf6 23. Qf1 g4 24. fxg4 Qf7 25. g5 Rg6 26. h4 Bxb3 27. Nxb3 Qxb3 28. Rf3 Ne6 29. Kh1 Qc4 30. Rd3 a5 31. d5 cxd5 32. exd5 Nc7 33. Rad1 Ne8 34. Qf3 Ng7 35. g3 Be3 36. g4 e4 37. Qe2 exd3 38. Rxd3 Qe4+ 0-1

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.21"]
[Round "4"]
[White "Oelrichs, Manfred"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1645"]
[BlackElo "1775"]
[PlyCount "48"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c6 5. 0-0 Be7 6. b3 Nbd7 7. Bb2 0-0 8. d4 c5 9. cxd5 exd5 10. dxc5 Nxc5 11. Nbd2 Bf5 12. Rc1 Nfe4 13. Nxe4 Nxe4 14. Nd4 Qd7 15. Nxf5 Qxf5 16. Rc7 Bd6 17. Qd4 f6 18. Bxe4 Qxe4 19. Qxe4 dxe4 20. Rxb7 Rfc8 21. Rc1 Rxc1+ 22. Bxc1 Rc8 23. Be3 Rc2 24. Rxa7 Rxe2 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "2"]
[White "Behrensen Senfft, Joern"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1308"]
[BlackElo "1775"]
[PlyCount "51"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 c5 5. c3 Nc6 6. f4 cxd4 7. exd4 Bd6 8. Ne2 Nh5 9. 0-0 0-0 10. Nf3 Qc7 11. Ne5 f6 12. Bxh7+ Kxh7 13. Qd3+ Kg8 14. Ng6 Re8 15. Qh3 Nxf4 16. Bxf4 e5 17. Qh8+ Kf7 18. Qh5 exf4 19. Ngxf4+ Kf8 20. Nxd5 Bxh2+ 21. Kh1 Qf7 22. Rxf6 gxf6 23. Qh8+ Qg8 24. Qxf6+ Qf7 25. Qh8+ Qg8 26. Rf1+ 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "3"]
[White "Mattiat, Kay"]
[Black "Herrmann, Sabine"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1775"]
[BlackElo "1135"]
[PlyCount "81"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Qe2 d5 7. Nbd2 Bg4 8. Qe3 Bxf3 9. Nxf3 Qf6 10. Ne5 Be7 11. Bd3 Nd6 12. 0-0 0-0 13. Qg3 Ne4 14. Qg4 Rd8 15. Bxe4 dxe4 16. Qxe4 c6 17. Ng4 Qxd4 18. Qxe7 Nd7 19. Qh4 Kh8 20. Qh5 g6 21. Qh3 f5 22. Nh6 Ne5 23. Bg5 Rf8 24. Be7 Ng4 25. Bxf8 Rxf8 26. Nxg4 fxg4 27. Qd3 Qxb2 28. c3 Qa3 29. Rab1 b5 30. Qd4+ Kg8 31. Qxg4 Qxa2 32. Ra1 Qf7 33. Rad1 Qf6 34. Qd7 Rf7 35. Qd8+ Qxd8 36. Rxd8+ Kg7 37. Rfd1 a5 38. R8d7 b4 39. Rxf7+ Kxf7 40. cxb4 axb4 41. Rc1 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.18"]
[Round "1"]
[White "Mattiat, Kay"]
[Black "Kibilka, Ulrich"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "1775"]
[BlackElo "1487"]
[PlyCount "114"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 d6 7. Be2 Be7 8. 0-0 0-0 9. f4 a6 10. Qe1 h6 11. Qg3 Nh7 12. f5 Bg5 13. Bc4 Bxe3+ 14. Qxe3 Nxd4 15. Qxd4 Nf6 16. Bb3 b5 17. Rad1 exf5 18. exf5 Bb7 19. Qxd6 Qc8 20. Rd3 Ne4 21. Qf4 Qc5+ 22. Kh1 Nf6 23. Re1 Rfe8 24. Rde3 Rxe3 25. Rxe3 Qc6 26. Qf1 Qc5 27. Qd3 Rf8 28. h3 Nh5 29. Nd5 Bxd5 30. Bxd5 Nf4 31. Bxf7+ Rxf7 32. Re8+ Rf8 33. Rxf8+ Qxf8 34. Qe4 Nh5 35. Qe6+ Qf7 36. Qe5 Nf6 37. g4 Qd5+ 38. Qxd5+ Nxd5 39. c3 Kf7 40. Kg2 Kf6 41. h4 Ke5 42. Kf3 a5 43. h5 Nb6 44. b3 a4 45. Ke3 a3 46. Kf3 Nd5 47. c4 bxc4 48. bxc4 Nb4 49. c5 Nxa2 50. c6 Kd6 51. g5 Nb4 52. f6 Nxc6 53. fxg7 Ne7 54. gxh6 a2 55. h7 a1Q 56. g8Q Qf6+ 57. Ke2 Qe5+ 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.06.03"]
[Round "9"]
[White "Mattiat, Kay"]
[Black "Lochmann, Viktor"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "1569"]
[BlackElo "1810"]
[PlyCount "122"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 Nbd7 10. Qe1 b5 11. a3 Nc5 12. e5 Nfe4 13. Bf3 Bb7 14. b4 Nxc3 15. bxc5 Bxf3 16. Rxf3 dxc5 17. Nc6 Qc7 18. Nxe7+ Qxe7 19. Qxc3 Rac8 20. Rd1 Rc6 21. Rd6 Rfc8 22. Rxc6 Rxc6 23. Rf2 Qc7 24. Rd2 h6 25. Qd3 b4 26. c4 a5 27. Qd8+ Kh7 28. Qxc7 Rxc7 29. a4 b3 30. Rb2 Rb7 31. Bxc5 Rc7 32. Bb6 Rxc4 33. Bxa5 Rxf4 34. Rxb3 Rxa4 35. Bc3 Re4 36. Kf2 Rf4+ 37. Kg3 g5 38. Rb7 Kg6 39. h4 Rxh4 40. Rb4 Rh1 41. Re4 Rd1 42. Re3 Rf1 43. Rf3 Rc1 44. Bb4 Kg7 45. Be7 Rc8 46. Kh3 Ra8 47. g3 Ra7 48. Bf6+ Kg6 49. Rd3 h5 50. g4 hxg4+ 51. Kxg4 Ra4+ 52. Kg3 Kh5 53. Rd8 Ra3+ 54. Kf2 g4 55. Rh8+ Kg6 56. Rg8+ Kf5 57. Rg7 Ra7 58. Kg3 Ra3+ 59. Kf2 Ra7 60. Ke3 Ra3+ 61. Kf2 Ra7 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.06.02"]
[Round "8"]
[White "Mattiat, Kay"]
[Black "Biermann, Helge"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1569"]
[BlackElo "1838"]
[PlyCount "72"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 Nf6 6. Bg5 Be6 7. Bd3 0-0 8. 0-0 c6 9. Re1 Nbd7 10. Qd2 Qc7 11. Re2 Bg4 12. Re3 h6 13. Bxf6 Nxf6 14. g3 Rfe8 15. Rae1 Kf8 16. Nh4 Qd7 17. f3 Rxe3 18. Rxe3 Be6 19. Ne2 c5 20. c3 c4 21. Bc2 b5 22. g4 a5 23. h3 Qc7 24. Bf5 Bd7 25. Bxd7 Nxd7 26. Nf5 b4 27. Nxd6 Qxd6 28. Qc2 g6 29. h4 Kg7 30. Kg2 Nf6 31. Ng3 Qc6 32. h5 Re8 33. Qe2 Rxe3 34. Qxe3 Qe6 35. Qd2 Qd6 36. Qe3 Qe6 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.06.01"]
[Round "7"]
[White "Keuneke, Hanno"]
[Black "Mattiat, Kay"]
[Result "1/2-1/2"]
[ECO "C82"]
[WhiteElo "1773"]
[BlackElo "1569"]
[PlyCount "50"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Nxe4 dxe4 12. Bxe6 Qxd1 13. Rxd1 fxe6 14. Nd4 Nxe5 15. Be3 Nc4 16. b4 Bb6 17. Nc2 Nxe3 18. Nxe3 Rad8 19. a3 Rd3 20. Rxd3 exd3 21. Rd1 Rd8 22. Ng4 Rd5 23. Kf1 e5 24. f3 Kf7 25. Nf2 Ke6 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.30"]
[Round "6"]
[White "Frackowiak, Stanislaw"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1681"]
[BlackElo "1569"]
[PlyCount "88"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Nf3 h6 9. Bh4 b6 10. 0-0 Bb7 11. Qc2 g6 12. Rab1 c5 13. b3 Rc8 14. Qd2 Ne4 15. Bxe7 Qxe7 16. Bxe4 dxe4 17. Ne1 Ba6 18. Ne2 Rfd8 19. f4 cxd4 20. f5 Qg5 21. fxg6 fxg6 22. Rf4 dxe3 23. Qxe3 Bxe2 24. Qxe4 Nc5 25. h4 Nxe4 26. hxg5 Nxg5 27. Nf3 Nxf3+ 28. gxf3 Rd1+ 29. Rxd1 Bxd1 30. Kg2 Rc2+ 31. Kg3 Rxa2 32. b4 Ra4 33. Rd4 Bb3 34. Kf4 a5 35. Ke5 Rxb4 36. Rd8+ Kg7 37. f4 a4 38. f5 gxf5 39. Kxf5 a3 40. Rd7+ Bf7 41. Rd1 a2 42. Rd7 Rb5+ 43. Kg4 a1Q 44. Kf4 Qa4+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.30"]
[Round "5"]
[White "Mattiat, Kay"]
[Black "Bernhard, Ralph"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1569"]
[BlackElo "1747"]
[PlyCount "43"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Bc5 6. Bc4 Nf6 7. Nc3 0-0 8. 0-0 h6 9. h3 a6 10. Kh1 d6 11. Qe2 b5 12. Bd5 Nxd5 13. Nxd5 Be6 14. Be3 Bxe3 15. Nxe3 Ne7 16. Nh4 Qd7 17. Kh2 Qc6 18. Qf3 Rac8 19. c3 d5 20. exd5 Nxd5 21. Rfe1 Nxe3 22. Rxe3 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.29"]
[Round "4"]
[White "Opasiak, Dustin Tennessee"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1719"]
[BlackElo "1569"]
[PlyCount "85"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 0-0 8. c3 d5 9. Qe2 Re8 10. Bg5 dxe4 11. dxe4 Be6 12. Rd1 Qe7 13. Nbd2 Rad8 14. Bc2 Rd6 15. h3 Red8 16. a4 b4 17. Nc4 Bxc4 18. Qxc4 Na5 19. Qe2 Qe6 20. Bxf6 Qxf6 21. Rxd6 Qxd6 22. Rd1 Qf6 23. Rxd8+ Qxd8 24. Nxe5 bxc3 25. bxc3 Qf6 26. Nd7 Qxc3 27. Nxc5 Qxc5 28. Qxa6 g6 29. Qd3 Nc6 30. g4 Nb4 31. Qd8+ Kg7 32. Bb3 Qe5 33. Qd7 Qf6 34. Bxf7 Qxf7 35. Qd4+ Qf6 36. Qxb4 Qa1+ 37. Kg2 c5 38. Qxc5 Qxa4 39. Qe7+ Kg8 40. g5 Qd1 41. Qe8+ Kg7 42. Qe5+ Kg8 43. Qd5+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.28"]
[Round "3"]
[White "Mattiat, Kay"]
[Black "Seidel, Mika"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1569"]
[BlackElo "1868"]
[PlyCount "40"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Be2 Nf6 7. Nd2 b5 8. f4 Bc5 9. Bf3 Bb7 10. 0-0 0-0 11. Kh1 d6 12. N2b3 Ba7 13. Qd3 Nbd7 14. Rac1 Nc5 15. Nxc5 dxc5 16. Qc3 Nxe4 17. Bxe4 Bxe4 18. Nb3 c4 19. Nd2 Bd5 20. b3 b4 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.27"]
[Round "2"]
[White "Schmuck, Martin"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1941"]
[BlackElo "1569"]
[PlyCount "38"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. f4 d5 2. e3 Nc6 3. Nf3 Nf6 4. Bb5 Bd7 5. 0-0 a6 6. Ba4 e6 7. c3 Bc5 8. b4 Ba7 9. b5 axb5 10. Bxb5 0-0 11. Na3 Ne4 12. Qc2 Bc5 13. Nb1 g6 14. d3 Nd6 15. Bxc6 Bxc6 16. a4 b5 17. a5 b4 18. d4 Ba7 19. cxb4 Rb8 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.09"]
[Round "9.1"]
[White "Mattiat, Kay"]
[Black "Haugwitz, Steffen"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1433"]
[BlackElo "1505"]
[PlyCount "63"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[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 Qb6 5. c3 Bc5 6. b4 Bxd4 7. Qxd4 Qxd4 8. cxd4 Nc6 9. Bb2 Nxb4 10. Na3 Nf6 11. f3 d5 12. e5 Nd7 13. Bb5 a6 14. Bc3 Nc6 15. Bxc6 bxc6 16. Bb4 a5 17. Bd6 Ba6 18. Rb1 f6 19. f4 Kf7 20. Kd2 Rhc8 21. Rb2 c5 22. dxc5 Nxc5 23. Bxc5 Rxc5 24. g4 d4 25. Re1 g5 26. exf6 gxf4 27. Rb6 Bc8 28. Nb5 Ra6 29. Nd6+ Kg6 30. Nxc8 Rxb6 31. Nxb6 e5 32. h4 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.08"]
[Round "8.2"]
[White "Fieron, Andreas"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1217"]
[BlackElo "1433"]
[PlyCount "66"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Nxd4 Bc5 8. Qh5+ g6 9. Qxc5 Ne7 10. Bh6 b6 11. Qc4 Qd6 12. 0-0-0 g5 13. Nf5 Qf4+ 14. Rd2 Bxf5 15. exf5 Qxc4 16. Bg7 Rg8 17. Bxf6 Nxf5 18. Re1+ Kf7 19. b3 Qf4 20. g3 Qxd2+ 21. Kxd2 Kxf6 22. Kc1 Rge8 23. Rf1 Rad8 24. f4 Re3 25. Nd1 Re2 26. fxg5+ Kxg5 27. h4+ Kg6 28. h5+ Kg5 29. Rg1 Rdd2 30. c4 Rxa2 31. Kb1 Rac2 32. g4 Nd6 33. Ne3 Rc3 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.07"]
[Round "7.2"]
[White "Mattiat, Kay"]
[Black "Raedisch, Peter"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1433"]
[BlackElo "1757"]
[PlyCount "133"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[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 Nf6 5. d3 h6 6. a3 a6 7. h3 d6 8. Be3 Bxe3 9. fxe3 0-0 10. 0-0 Ne7 11. Nh4 Nh7 12. Qe1 c6 13. Rd1 d5 14. exd5 cxd5 15. Bb3 Be6 16. Qg3 Nc6 17. d4 exd4 18. exd4 Ng5 19. Nf5 Bxf5 20. Rxf5 Ne4 21. Qd3 Qh4 22. Bxd5 Ng3 23. Rf3 Nh5 24. Rdf1 Qxd4+ 25. Qxd4 Nxd4 26. Rxf7 Rfd8 27. R7f5+ Kh8 28. Rxh5 Nxc2 29. Re5 Re8 30. Rxe8+ Rxe8 31. Bxb7 a5 32. Nb5 Rb8 33. Bc6 Ne3 34. Re1 Nc4 35. b4 axb4 36. axb4 Kh7 37. Rc1 Ne5 38. Be4+ g6 39. Rc7+ Kh8 40. Rb7 Rxb7 41. Bxb7 Nd3 42. Be4 Nxb4 43. Bxg6 Kg7 44. Be4 Na6 45. Kf2 Nc5 46. Ke3 Ne6 47. Nd6 Kf6 48. Nf5 Kg5 49. g4 h5 50. Kf3 hxg4+ 51. hxg4 Kf6 52. Bd5 Ng5+ 53. Kg3 Ke5 54. Kh4 Nh7 55. Bb3 Kf4 56. Ne7 Ke5 57. Bc2 Nf8 58. Ng6+ Nxg6+ 59. Bxg6 Kf6 60. Kh5 Kg7 61. Bd3 Kh8 62. Kg6 Kg8 63. g5 Kh8 64. Be2 Kg8 65. Bf3 Kh8 66. Kf7 Kh7 67. g6+ 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.06"]
[Round "6.2"]
[White "Mattiat, Kay"]
[Black "Frackowiak, Stanislaw"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1433"]
[BlackElo "1641"]
[PlyCount "105"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[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 e6 6. a3 Be7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Be3 Bf6 12. Bf3 Qd7 13. c3 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Qxd4 16. cxd4 Rd8 17. Rfd1 Rb8 18. Rac1 Rd7 19. d5 exd5 20. Rxd5 Kf8 21. Rdc5 Rd8 22. Rc7 a6 23. h3 b5 24. Re1 Be6 25. Ra7 Rb6 26. Rc1 Rbd6 27. b4 g6 28. Rcc7 R8d7 29. Rxd7 Bxd7 30. Bb7 Rd1+ 31. Kh2 Rd2 32. f3 Be6 33. Rxa6 Bc4 34. Bc6 Bf1 35. f4 h5 36. Ra7 h4 37. a4 Rd4 38. Ra8+ Kg7 39. axb5 Rxb4 40. Rb8 Rb2 41. b6 Kf6 42. b7 Ba6 43. Ra8 Bxb7 44. Rb8 Kf5 45. Rxb7 Rxb7 46. Bxb7 Kxf4 47. Kg1 f5 48. Kf2 g5 49. Bc6 g4 50. hxg4 fxg4 51. Bb7 g3+ 52. Ke2 h3 53. gxh3 1/2-1/2

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.05"]
[Round "5.1"]
[White "Kazemi Sresht, Rahim"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1500"]
[BlackElo "1433"]
[PlyCount "89"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[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 Nf6 5. d3 d6 6. Na4 Bb6 7. Nxb6 axb6 8. Bg5 Bg4 9. c3 Na5 10. h3 Nxc4 11. dxc4 Be6 12. Qd3 h6 13. Bh4 Qe7 14. 0-0 0-0 15. Nd2 Bd7 16. f4 exf4 17. Bxf6 Qxf6 18. Qf3 g5 19. Rf2 Qg6 20. g4 Bc6 21. a3 Rae8 22. Re2 Re7 23. Kf2 Rfe8 24. Rae1 b5 25. b3 bxc4 26. bxc4 b5 27. Qd3 bxc4 28. Qxc4 Bb7 29. Kf3 c5 30. a4 Ra8 31. Kf2 Ree8 32. Qb3 Ba6 33. c4 Rab8 34. Qc3 Rb4 35. a5 h5 36. Kf3 Qe6 37. e5 d5 38. Kf2 d4 39. Qf3 h4 40. Ne4 Bb7 41. Nf6+ Kh8 42. Qd3 Kg7 43. Qh7+ Kf8 44. Qg8+ Ke7 45. Qxe8# 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.04"]
[Round "4.2"]
[White "Bernhard, Ralph"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1735"]
[BlackElo "1433"]
[PlyCount "70"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. h3 a6 7. e3 b6 8. cxd5 exd5 9. Bd3 c5 10. Rc1 Nc6 11. 0-0 c4 12. Bb1 Be6 13. a3 b5 14. e4 dxe4 15. Nxe4 Bd5 16. Nxf6+ Bxf6 17. Ne5 Re8 18. Re1 Ra7 19. Be4 Rae7 20. Bxd5 Qxd5 21. Qh5 Qxd4 22. Red1 Qxf4 23. Nxc6 Re6 24. Qd5 Bxb2 25. Rb1 Bxa3 26. Qd7 Bc5 27. Rf1 c3 28. Nd8 R6e7 29. Qd5 Qd6 30. Qxd6 Bxd6 31. Nc6 Rc7 32. Nb4 Bxb4 33. Rxb4 c2 34. Rc1 Rd8 35. Kh2 Rd1 0-1

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.03"]
[Round "3.2"]
[White "Mattiat, Kay"]
[Black "Hotze, Kurt"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1433"]
[BlackElo "1627"]
[PlyCount "81"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[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 e5 5. Nf3 Be7 6. h3 Nf6 7. Bd3 d5 8. exd5 Nxd5 9. Bb5 Qa5+ 10. Nc3 Nxc3 11. Bxc6+ bxc6 12. bxc3 Qxc3+ 13. Bd2 Qc5 14. 0-0 0-0 15. Re1 f6 16. Rb1 Qd5 17. a4 Bf5 18. Rb7 Bc5 19. Be3 Bxe3 20. fxe3 Be4 21. c4 Qxc4 22. Qd6 Qd5 23. Rd1 Qxd6 24. Rxd6 Rf7 25. Rb4 Bxf3 26. gxf3 c5 27. Rc4 Rc7 28. Kf2 Rb8 29. Rd5 Rbc8 30. Ke2 Kf7 31. Kd2 a5 32. Rd6 Rb8 33. Kc2 Rb4 34. Kc3 Rb1 35. Kc2 Rcb7 36. Rxc5 R7b2+ 37. Kc3 Rb3+ 38. Kc2 R1b2+ 39. Kc1 Ke7 40. Rdc6 Rb1+ 41. Kc2 1/2-1/2

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.10.01"]
[Round "2.3"]
[White "Mattiat, Kay"]
[Black "Malicki, Rudolfo"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1433"]
[BlackElo "1606"]
[PlyCount "139"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. a3 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 c6 10. c3 Qb6 11. 0-0 h6 12. Qc2 Nd7 13. Bf4 a5 14. Qd2 Kh7 15. h4 Nf6 16. Bd3 c5 17. Be5 cxd4 18. Bxd4 Qd6 19. Rfe1 Nh5 20. Ne5 Nf6 21. Qc2 Kg8 22. Nc4 Qd8 23. Nb6 Be6 24. Nxa8 Qxa8 25. Bxg6 b5 26. Bd3 Qd5 27. Re5 Qd6 28. Rxb5 Ng4 29. g3 Bxd4 30. cxd4 Qxd4 31. Rd1 Qg7 32. Rxa5 Kh8 33. Bf5 Rc8 34. Qd2 Bxf5 35. Rxf5 e6 36. Rb5 Ne5 37. Qf4 Ng6 38. Qd4 e5 39. Qd7 Rf8 40. a4 Nxh4 41. Kf1 Nf3 42. Qd6 h5 43. Rb8 Rxb8 44. Qxb8+ Kh7 45. Qb7 Nd4 46. a5 h4 47. Qe4+ Kg8 48. Qxh4 Qg6 49. Rxd4 exd4 50. Qxd4 Qa6+ 51. Kg2 Qxa5 52. Qe4 Qb5 53. b4 f5 54. Qe6+ Kg7 55. Qe7+ Kg6 56. Qc5 Qb7+ 57. f3 Qd7 58. b5 Qd2+ 59. Qf2 Qb4 60. Qe2 Qd6 61. Qe8+ Kf6 62. Qc6 Ke6 63. Qxd6+ Kxd6 64. Kh3 Kc5 65. Kh4 f4 66. gxf4 Kxb5 67. Kg5 Kc6 68. Kf6 Kd7 69. f5 Ke8 70. Kg7 1-0

[Event "Hamburg-chA"]
[Site "Hamburg"]
[Date "2011.09.30"]
[Round "1.1"]
[White "Olschok, Juergen"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C21"]
[WhiteElo "1759"]
[BlackElo "1433"]
[PlyCount "60"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 d6 6. Bc4 dxe5 7. 0-0 Bg4 8. Re1 Nc6 9. cxd4 Bb4 10. Bd2 0-0 11. dxe5 Bxd2 12. Nbxd2 Re8 13. Bb5 Rxe5 14. Bxc6 Rxe1+ 15. Qxe1 bxc6 16. Qe4 Bxf3 17. Nxf3 Qe7 18. Qc4 Qf6 19. Re1 Rd8 20. Nd4 Ne7 21. Nf3 Qd6 22. Qe4 Ng6 23. Qa4 Qc5 24. h4 h5 25. Ng5 Rd4 26. Qb3 Rd7 27. Re8+ Nf8 28. Qf3 Qd5 29. Qxh5 Qd1+ 30. Kh2 Qxh5 0-1

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.30"]
[Round "9.2"]
[White "Hauser, Christow"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1573"]
[BlackElo "1500"]
[PlyCount "74"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nc6 3. Bb2 d4 4. c3 e5 5. d3 Nf6 6. cxd4 Bb4+ 7. Nbd2 exd4 8. a3 Bxd2+ 9. Qxd2 0-0 10. g3 Be6 11. b4 Bd5 12. Bg2 Re8 13. 0-0 b5 14. Rac1 h6 15. Nh4 Bxg2 16. Kxg2 Re6 17. Nf3 Qd6 18. Rc5 Nd7 19. Rc2 Nde5 20. Rfc1 Rae8 21. Nxe5 Nxe5 22. Qf4 Qd5+ 23. Qf3 Nxf3 24. exf3 Re2 25. Rc5 Qd8 26. Rb1 Rd2 27. Bc1 Rxd3 28. Bf4 Rxa3 29. Rbc1 d3 30. Rxc7 g5 31. Be3 d2 32. Bxd2 Qxd2 33. f4 Re2 34. Rc8+ Kg7 35. fxg5 Rxf2+ 36. Kh3 Rxh2+ 37. Kg4 Qxg5# 0-1

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.29"]
[Round "8.5"]
[White "Mattiat, Kay"]
[Black "Funke, Hermann"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1500"]
[BlackElo "1480"]
[PlyCount "119"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. a3 a6 7. Bg5 Be6 8. Nd5 h6 9. Bh4 Rb8 10. Nxf6+ gxf6 11. Nd2 Bxc4 12. Nxc4 Rg8 13. 0-0 Rg6 14. Ne3 Kd7 15. c3 Qh8 16. Qf3 Rbg8 17. Qf5+ Kd8 18. g3 Ne7 19. Qh3 R8g7 20. Rad1 Qe8 21. d4 Bb6 22. dxe5 fxe5 23. Nd5 Re6 24. Nxe7 Rxe7 25. Bxe7+ Qxe7 26. Qxh6 Rg4 27. Qh8+ Kd7 28. Qh3 Qe6 29. Rde1 Kc6 30. Kh1 Qg6 31. f3 Rg5 32. f4 exf4 33. Rxf4 Re5 34. Rf5 Qe6 35. Qg2 Kd7 36. Qf3 Ke7 37. Rxe5 Qxe5 38. Qf5 a5 39. Qxe5+ dxe5 40. Kg2 a4 41. Rf1 f6 42. Kf3 Kf7 43. Kg4 Kg6 44. Rf3 Bc5 45. h4 Be7 46. h5+ Kh6 47. Rf5 Kg7 48. Kf3 Bf8 49. g4 Kf7 50. g5 Bg7 51. gxf6 Bxf6 52. Kg4 b5 53. h6 Kg6 54. Rxf6+ Kxf6 55. h7 Kg7 56. Kf5 Kxh7 57. Kxe5 Kg7 58. Ke6 Kf8 59. Kd7 Kf7 60. e5 1-0

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.28"]
[Round "7.5"]
[White "Mattiat, Kay"]
[Black "Garbe, Joachim"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1500"]
[BlackElo "1137"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Nf6 4. exf5 d6 5. Nf3 Bxf5 6. Bc4 d5 7. Bb3 Bd6 8. d4 0-0 9. 0-0 c6 10. c4 dxc4 11. Bxc4+ Kh8 12. Nc3 Bg4 13. h3 Bh5 14. Bg5 Qc7 15. Re1 Nbd7 16. d5 Ne5 17. Be2 Nxf3+ 18. Bxf3 Bxf3 19. gxf3 Nxd5 20. Nxd5 cxd5 21. Qxd5 Rae8 22. Rac1 Rxe1+ 23. Rxe1 h6 24. Be3 b6 25. Rc1 Qd7 26. Rd1 Rd8 27. Bf4 Qxh3 28. Bxd6 Rxd6 29. Qa8+ Kh7 30. Rxd6 Qf5 31. Qe4 1-0

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.26"]
[Round "5.7"]
[White "Mattiat, Kay"]
[Black "Evers, Juergen"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1500"]
[BlackElo "1468"]
[PlyCount "54"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 bxc6 12. Bf3 Qb5 13. b4 Rd8 14. Qe2 Qxe2 15. Bxe2 e5 16. Bb2 f6 17. Bf3 Bf5 18. Rad1 Bxc2 19. Rc1 Ba4 20. Bxc6 Bxc6 21. Rxc6 Rd7 22. g3 Rad8 23. Bc1 Rd6 24. Rc7 R6d7 25. Rc6 Rd6 26. Rc2 Rd3 27. Rc7 R3d7 1/2-1/2

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.26"]
[Round "6.7"]
[White "Stolzenwald, Frank"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1369"]
[BlackElo "1500"]
[PlyCount "102"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. a4 Bf5 3. e3 Nc6 4. c3 e6 5. Bd3 Nge7 6. b3 g6 7. Ba3 Bxd3 8. Qxd3 Bg7 9. Nd2 0-0 10. Ne2 Re8 11. 0-0 e5 12. f3 Nf5 13. e4 Nfe7 14. exd5 Qxd5 15. c4 Qd7 16. d5 e4 17. fxe4 Bxa1 18. Rxa1 Nc8 19. Bb2 Ne5 20. Qc3 Qg4 21. Nf3 f6 22. Ng3 Nd6 23. h3 Qxg3 24. Nxe5 Qxc3 25. Bxc3 fxe5 26. Re1 b6 27. Kf2 Rac8 28. Ke3 c5 29. a5 Re7 30. Kd3 Rf8 31. b4 Rf2 32. Rg1 Kf7 33. Be1 Rb2 34. Bh4 Re8 35. Rf1+ Kg8 36. Rf6 Nf7 37. axb6 axb6 38. Rxb6 g5 39. Be1 cxb4 40. c5 Rxg2 41. Bxb4 Rg3+ 42. Ke2 Rxh3 43. d6 Rd8 44. Rb7 g4 45. Rxf7 Kxf7 46. c6 Ke6 47. d7 Rxd7 48. cxd7 Kxd7 49. Kf2 Rf3+ 50. Kg2 h5 51. Bf8 Rxf8 0-1

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.25"]
[Round "4.8"]
[White "Ziege, Andreas"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1108"]
[BlackElo "1500"]
[PlyCount "72"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 d6 6. Re1 Bg4 7. b3 Nd4 8. Nd5 Nxd5 9. Bxd5 c6 10. Bc4 Nxf3+ 11. gxf3 Bh3 12. f4 exf4 13. Bxf7+ Kf8 14. Qh5 Qd7 15. Bb2 Qxf7 16. Qxf7+ Kxf7 17. e5 d5 18. Re2 Rae8 19. Rae1 Re6 20. c3 Rg6+ 21. Kh1 Bg2+ 22. Kg1 Bf3+ 23. Kf1 Bxe2+ 24. Rxe2 f3 25. Re1 Rg2 26. e6+ Ke7 27. d4 Rxh2 28. Kg1 Bd6 29. Re3 Rf8 30. c4 Rf6 31. Re5 Rg2+ 32. Kf1 Rh6 33. Ke1 Bxe5 34. dxe5 Rh1+ 35. Kd2 Rxf2+ 36. Kc3 Rxb2 0-1

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.24"]
[Round "3.8"]
[White "Kock, Rudolf"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1401"]
[BlackElo "1500"]
[PlyCount "79"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Bf5 4. Bb5 a6 5. Bxc6+ bxc6 6. b3 Nf6 7. Ne5 c5 8. 0-0 e6 9. d3 Bd6 10. Bb2 0-0 11. Nd2 Bxe5 12. fxe5 Ng4 13. Qe1 Qg5 14. Rf4 d4 15. Nf3 Qh6 16. h3 Nxe3 17. Rh4 Qg6 18. Qd2 f6 19. Kh1 fxe5 20. Nxe5 Qg3 21. Nf3 Rf6 22. Rg1 e5 23. Qe1 Qxe1 24. Nxe1 Re8 25. Ba3 Rc6 26. g4 Bg6 27. Bc1 e4 28. Bxe3 dxe3 29. Kh2 exd3 30. cxd3 Rd6 31. g5 Bxd3 32. Rf4 Rd4 33. Rxd4 cxd4 34. Nxd3 Kf7 35. Kg2 Ke6 36. Kf1 Kd5 37. Ke2 Rf8 38. Rc1 Rf5 39. h4 Rf7 40. Rc5+ 1-0

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.23"]
[Round "2.7"]
[White "Mattiat, Kay"]
[Black "Frackowiak, Stanislaw"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1500"]
[BlackElo "1378"]
[PlyCount "42"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Ne4 Nxd4 11. Qxd4 b6 12. b4 Bb7 13. Bb2 Nf6 14. Bf3 Qxd4 15. Nxf6+ Qxf6 16. Bxf6 Bxf6 17. Bxb7 Rab8 18. Be4 Bxa1 19. Rxa1 Rfd8 20. c4 Rd2 21. h3 Rd4 0-1

[Event "Hamburg-chB"]
[Site "Hamburg"]
[Date "2010.05.22"]
[Round "1.5"]
[White "Kibilka, Ulrich"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1339"]
[BlackElo "1500"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 Nbd7 6. Bd3 h6 7. Bxf6 Nxf6 8. Ne5 c5 9. c3 c4 10. Bc2 0-0 11. 0-0 Bd6 12. f4 Nd7 13. Ndf3 f5 14. Qe1 Nf6 15. h3 Bd7 16. Ng6 Rf7 17. Qh4 Ne4 18. Qxd8+ Rxd8 19. Bxe4 fxe4 20. Nfe5 Rf6 21. g3 Be8 22. Nh4 g5 23. Ng2 b5 24. fxg5 Rxf1+ 25. Rxf1 Kg7 26. gxh6+ Kxh6 27. Rf6+ Kg5 28. Rxe6 Kf5 29. Nf4 a5 30. h4 Bd7 31. g4# 1-0

[Event "Hamburger Liga Aufstieg"]
[Site "Hamburg"]
[Date "2007.09.02"]
[Round "7.19"]
[White "Tost, Guenther"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1346"]
[BlackElo "1588"]
[PlyCount "46"]
[EventDate "2007.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Bf5 4. f3 exf3 5. Nxf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 e6 9. Ne5 Ne7 10. Be3 f6 11. Nf3 Nd5 12. Qd2 Bb4 13. a3 Bxc3 14. bxc3 Nxe3 15. Qxe3 0-0 16. Nh4 Qd5 17. Nxf5 exf5 18. Qe7 Rfe8 19. Qxc7 Re2 20. Rf2 Rae8 21. Rxe2 Rxe2 22. Qc8+ Kf7 23. Qxa6 Qxg2# 0-1

[Event "Hamburger Liga Aufstieg"]
[Site "Hamburg"]
[Date "2007.09.01"]
[Round "6.20"]
[White "Mattiat, Kay"]
[Black "Grube, Bernd"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1588"]
[BlackElo "1328"]
[PlyCount "56"]
[EventDate "2007.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a3 Be7 8. Be3 d5 9. e5 Nxe5 10. 0-0 0-0 11. f4 Nc6 12. b4 Nxd4 13. Bxd4 Bd7 14. Qe1 Ne4 15. Nxe4 dxe4 16. Bc4 Bc6 17. Rd1 Bd5 18. Qg3 f6 19. Be2 Qc7 20. Rc1 b5 21. f5 Qxg3 22. hxg3 e5 23. Bb6 Rfc8 24. Rfd1 Bc4 25. Bxc4+ Rxc4 26. Rd7 Kf8 27. Kf2 Rac8 28. Ra7 Rxc2+ 0-1

[Event "Hamburger Liga Aufstieg"]
[Site "Hamburg"]
[Date "2007.08.19"]
[Round "3.11"]
[White "Soltau, Achim"]
[Black "Mattiat, Kay"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1941"]
[BlackElo "1588"]
[PlyCount "53"]
[EventDate "2007.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 d5 5. 0-0 dxc4 6. Na3 e5 7. Nxc4 Qc7 8. d3 Be6 9. Qa4 Bxc4 10. dxc4 Bd6 11. Bg5 0-0-0 12. Nd2 Kb8 13. Ne4 Be7 14. Nc3 a6 15. Bxf6 gxf6 16. Nd5 Qd6 17. Rfd1 Qe6 18. a3 f5 19. b4 e4 20. e3 Ne5 21. b5 Rd6 22. Rab1 Rhd8 23. bxa6 Rxa6 24. Qb5 Rd7 25. Rdc1 Rxa3 26. Nb6 Rc7 27. Qe8+ 1-0

[Event "Hamburger Liga Aufstieg"]
[Site "Hamburg"]
[Date "2007.08.14"]
[Round "2.9"]
[White "Mattiat, Kay"]
[Black "Sternberg, Lew"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1588"]
[BlackElo "2057"]
[PlyCount "46"]
[EventDate "2007.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Nd4 7. Bxf6 gxf6 8. h3 c6 9. Ne2 Nxf3+ 10. gxf3 Qb6 11. Rh2 Qxb2 12. Qc1 Qxc1+ 13. Rxc1 b5 14. Bb3 Ba3 15. Rd1 a5 16. c3 a4 17. Bc2 Be6 18. Bb1 Ke7 19. f4 f5 20. fxe5 dxe5 21. f3 fxe4 22. fxe4 Rhg8 23. Kf2 Rg6 0-1

[Event "Hamburger Liga Aufstieg"]
[Site "Hamburg"]
[Date "2007.08.13"]
[Round "1.9"]
[White "Dumjahn, Carsten"]
[Black "Mattiat, Kay"]
[Result "0-1"]
[ECO "C29"]
[WhiteElo "2074"]
[BlackElo "1588"]
[PlyCount "26"]
[EventDate "2007.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 Nc6 4. fxe5 Nxe5 5. d4 Nc6 6. Nf3 d5 7. Bg5 dxe4 8. Nxe4 Be7 9. Bd3 Nxe4 10. Bxe7 Qxe7 11. 0-0 0-0 12. Re1 f5 13. d5 Qc5+ 0-1

