[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.04.01"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Ortpaul, Mario"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2014"]
[BlackElo "1801"]
[PlyCount "44"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. Be2 Bg7 9. Nf3 0-0 10. Nd2 Nbd7 11. Nc4 Qc7 12. 0-0 Nb6 13. Ne3 e6 14. a4 exd5 15. exd5 Re8 16. a5 Nbd7 17. Nc4 Ne5 18. Nb6 Rb8 19. Bf4 Nfd7 20. Nxc8 Qxc8 21. Ne4 Qc7 22. Rb1 Rb4 1/2-1/2

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.04.01"]
[Round "5"]
[White "Paneff, Florian"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1830"]
[BlackElo "2014"]
[PlyCount "61"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. Bg5 Nbc6 7. 0-0 f6 8. Bh4 Bg4 9. c3 Qd7 10. Bg3 Bxg3 11. fxg3 0-0-0 12. b4 Ng6 13. Nbd2 Nce7 14. Qc2 f5 15. Nb3 Rhf8 16. Nc5 Qd6 17. h3 Bxf3 18. Rxf3 f4 19. Re1 Rf6 20. gxf4 Nh4 21. Rfe3 Nef5 22. Re5 g6 23. Qf2 h6 24. g4 g5 25. Bxf5+ Nxf5 26. gxf5 Rf7 27. Qe2 gxf4 28. Re8 Rg7+ 29. Kf2 Rg8 30. Rxg8 Rxg8 31. Qe8+ 1-0

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.31"]
[Round "3"]
[White "Held, Benjamin"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1833"]
[BlackElo "2014"]
[PlyCount "35"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 b6 4. Nf3 Qd7 5. Be2 a5 6. 0-0 Ba6 7. Ng5 Bxe2 8. Qxe2 h6 9. Nh3 c5 10. c3 Nc6 11. Be3 cxd4 12. cxd4 Nge7 13. Nc3 Nf5 14. Nb5 Be7 15. a4 0-0 16. Rac1 Rac8 17. Nf4 Nb4 18. Nd3 1/2-1/2

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.31"]
[Round "2"]
[White "Ott, Mathias"]
[Black "Peter, Sebastian"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2014"]
[BlackElo "1835"]
[PlyCount "70"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Ng6 6. Qh5 Qf6 7. Nc3 Bb4 8. Bd2 c6 9. a3 Be7 10. Ne4 Qe5 11. Qxe5 Nxe5 12. Bc3 f6 13. 0-0-0 0-0 14. Nf4 Na6 15. b4 Nc7 16. Nd6 Bxd6 17. Rxd6 Nf7 18. Rd2 Rd8 19. Be2 b5 20. c5 Ng5 21. f3 Nge6 22. Nxe6 Nxe6 23. Rhd1 a5 24. Kb2 axb4 25. axb4 Kf7 26. Rd6 Ke7 27. h4 Nc7 28. f4 Ne8 29. R6d4 d5 30. e4 Be6 31. Bf3 dxe4 32. Rxd8 Rxd8 33. Rxd8 Kxd8 34. Bxe4 Bd5 35. Bxh7 Bxg2 1/2-1/2

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.30"]
[Round "1"]
[White "Plassmann, Dominik"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1925"]
[BlackElo "2014"]
[PlyCount "77"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. d4 h6 4. a3 Nf6 5. e5 Nfd7 6. f4 c5 7. Nce2 Nc6 8. c3 Qb6 9. Nf3 Be7 10. b4 cxd4 11. Nexd4 a5 12. Be3 axb4 13. axb4 Rxa1 14. Qxa1 0-0 15. Qc1 Qd8 16. Bd3 Nb6 17. 0-0 f5 18. Nd2 Nxd4 19. Bxd4 Qc7 20. Qd1 Bd7 21. Qh5 Na4 22. Nb1 Nb2 23. Be2 Ra8 24. g4 Be8 25. Qh3 Bg6 26. gxf5 Bxf5 27. Bg4 Rf8 28. Bxf5 Rxf5 29. Nd2 Nc4 30. Nb3 b6 31. Ra1 Qc8 32. Ra7 Qf8 33. Nc1 Rxf4 34. Qxe6+ Kh7 35. Qh3 Rf3 36. Qg2 Bg5 37. Ne2 Ne3 38. Rxg7+ Kxg7 39. e6+ 0-1

[Event "Werther Schloss op-B 12th"]
[Site "Werther"]
[Date "2006.04.09"]
[Round "4"]
[White "Mohrmann, Thomas"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1817"]
[BlackElo "1993"]
[PlyCount "81"]
[EventDate "2006.04.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 Na6 8. Qd2 Kh7 9. f3 c5 10. d5 Nc7 11. g4 Ng8 12. h4 b5 13. cxb5 a6 14. bxa6 Bxa6 15. Bxa6 Nxa6 16. Nge2 Qb6 17. 0-0 Rfb8 18. Rab1 Nc7 19. g5 h5 20. f4 e6 21. f5 exf5 22. exf5 Ne8 23. f6 Ngxf6 24. gxf6 Nxf6 25. Bg5 Ng4 26. Rxf7 c4+ 27. Qd4 Qxd4+ 28. Nxd4 Ne5 29. Rc7 Kg8 30. Nce2 Rxa2 31. Be7 Ra5 32. Ne6 Bh8 33. N2f4 Nf7 34. Rxc4 Bxb2 35. Kh1 Rab5 36. Rc6 Be5 37. Rxb5 Rxb5 38. Rc8+ Kh7 39. Nf8+ Kh6 40. N8xg6 Rb4 41. Nxe5 1-0

[Event "Werther Schloss op-B 12th"]
[Site "Werther"]
[Date "2006.04.09"]
[Round "5"]
[White "Ott, Mathias"]
[Black "Roever, Ludwig"]
[Result "1-0"]
[ECO "D68"]
[WhiteElo "1993"]
[BlackElo "2055"]
[PlyCount "40"]
[EventDate "2006.04.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. Qb1 a5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qf6 17. e4 Qd4+ 18. Kh1 Be6 19. Bd3 f6 20. e5 f5 1-0

[Event "Werther Schloss op-B 12th"]
[Site "Werther"]
[Date "2006.04.08"]
[Round "3"]
[White "Ott, Mathias"]
[Black "Wirths, Clara"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1993"]
[BlackElo "1935"]
[PlyCount "49"]
[EventDate "2006.04.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qd3 f5 8. g3 b6 9. Bg2 Bb7 10. Nf3 d6 11. 0-0 Qf6 12. Nd2 Qg6 13. b4 Nd7 14. Nf3 Rad8 15. a4 c5 16. a5 bxa5 17. Rxa5 cxb4 18. Rxa7 Rb8 19. Bf4 Rfd8 20. Rb1 e5 21. dxe5 Nxe5 22. Bxe5 dxe5 23. Rxb7 Rxd3 24. Rxb8+ Kf7 25. exd3 1-0

[Event "Werther Schloss op-B 12th"]
[Site "Werther"]
[Date "2006.04.08"]
[Round "2"]
[White "Ruerup, Hans Heinz"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1865"]
[BlackElo "1993"]
[PlyCount "81"]
[EventDate "2006.04.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 f6 7. b4 cxd4 8. cxd4 Bd7 9. Bd3 f5 10. Be2 Nge7 11. 0-0 Ng6 12. h4 Be7 13. g3 Rg8 14. Nc3 a5 15. b5 Na7 16. a4 Bb4 17. Na2 Be7 18. Bd2 Nh8 19. Nc1 Qd8 20. Nd3 Nf7 21. Rc1 Rc8 22. Rxc8 Nxc8 23. Qc2 g5 24. hxg5 Nxg5 25. Nxg5 Bxg5 26. Bh5+ Kf8 27. Kg2 Rg7 28. Qc1 Nb6 29. Bxg5 Rxg5 30. Be2 Rg7 31. Nf4 Bc8 32. Rh1 Qc7 33. Qa3+ Qe7 34. Qc3 Nc4 35. Bxc4 dxc4 36. Qxc4 Bd7 37. Rh6 Qg5 38. Rf6+ Kg8 39. d5 exd5 40. Qxd5+ Kh8 41. Rf8+ 1-0

[Event "Werther Schloss op-B 12th"]
[Site "Werther"]
[Date "2006.04.07"]
[Round "1"]
[White "Ott, Mathias"]
[Black "Krueger, Tim"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1993"]
[BlackElo "1849"]
[PlyCount "36"]
[EventDate "2006.04.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Nbc6 6. Nf4 Bc5 7. Nc3 d6 8. Be2 0-0 9. a3 a5 10. 0-0 Ne7 11. b3 Bd7 12. Bb2 Bc6 13. Ncd5 Bxd5 14. cxd5 Qd7 15. Rc1 N7g6 16. Nh5 Qe7 17. Qd2 Bb6 18. Kh1 f5 1/2-1/2

[Event "Lippe Cup 02nd"]
[Site "Lieme"]
[Date "2005.10.09"]
[Round "5"]
[White "Kreie, Guenther"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1968"]
[BlackElo "2024"]
[PlyCount "72"]
[EventDate "2005.10.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. g3 0-0 12. Nf3 Bd7 13. Nc3 a6 14. a3 Qc7 15. Re1 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Bd2 Bc6 19. Rc1 Rae8 20. Ne2 Bxb2 21. Bb4 Bxc1 22. Bxf8 Rxf8 23. Qxc1 Ng4 24. Nf4 Qb6 25. Qc2 Nf6 26. Re7 Ne4 27. Bxe4 dxe4 28. h4 Qb5 29. Ne6 Rf7 30. Nd4 Qd5 31. Nxc6 bxc6 32. Qxe4 Rxe7 33. Qxe7 h6 34. Qe8+ Kh7 35. h5 a5 36. Qg6+ Kg8 1/2-1/2

[Event "Lippe Cup 02nd"]
[Site "Lieme"]
[Date "2005.10.09"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Boie, Ludwig"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "2024"]
[BlackElo "1796"]
[PlyCount "62"]
[EventDate "2005.10.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. Nf3 c6 6. Qc2 Be7 7. e3 0-0 8. Rd1 b6 9. Bd3 Bb7 10. 0-0 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. Nxd5 exd5 14. Bd3 g6 15. a3 Rac8 16. Qa4 a6 17. Be2 c5 18. dxc5 bxc5 19. Nd2 Rc6 20. Bf3 Rb6 21. b3 Ne5 22. Be2 Bc6 23. Qa5 Rfb8 24. Rc1 Bb5 25. Bxb5 axb5 26. Rfd1 Nd3 27. Rc3 c4 28. bxc4 dxc4 29. a4 b4 30. Nxc4 bxc3 31. Qxc3 Rb3 0-1

[Event "Lippe Cup 02nd"]
[Site "Lieme"]
[Date "2005.10.08"]
[Round "2"]
[White "Ott, Mathias"]
[Black "Altenbernd, Dirk"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2024"]
[BlackElo "1801"]
[PlyCount "54"]
[EventDate "2005.10.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Bd3 f5 8. f3 Nf6 9. Nge2 c5 10. dxc6 bxc6 11. 0-0 Be6 12. Rc1 0-0 13. b4 fxe4 14. Nxe4 Nxe4 15. fxe4 Rxf1+ 16. Qxf1 Qd7 17. Qd1 d5 18. exd5 cxd5 19. cxd5 Qxd5 20. Nc3 Qd7 21. Be4 Rd8 22. Qxd7 Rxd7 23. Rd1 Rxd1+ 24. Nxd1 Nc8 25. a4 Bf8 26. Bd2 Bb3 27. Nb2 Kf7 1/2-1/2

[Event "Lippe Cup 02nd"]
[Site "Lieme"]
[Date "2005.10.08"]
[Round "3"]
[White "Stork, Joachim"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1922"]
[BlackElo "2024"]
[PlyCount "59"]
[EventDate "2005.10.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Nbd2 0-0 6. Bd3 c5 7. c3 Nc6 8. 0-0 b6 9. Qa4 Bd7 10. Qd1 Re8 11. Ne5 h6 12. Bh4 Nxe5 13. dxe5 Nh7 14. Bxe7 Qxe7 15. f4 Bc6 16. Qe2 Rad8 17. Rad1 Nf8 18. Kh1 Qb7 19. Qg4 b5 20. Rf3 d4 21. Rg3 Ng6 22. exd4 cxd4 23. c4 bxc4 24. Bxg6 fxg6 25. Nxc4 Be4 26. Nd6 Rxd6 27. exd6 Bf5 28. Qe2 Qd5 29. Qe5 Qxa2 30. Qxd4 1-0

[Event "Lippe Cup 02nd"]
[Site "Lieme"]
[Date "2005.10.07"]
[Round "1"]
[White "Peter, Sebastian"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1669"]
[BlackElo "2024"]
[PlyCount "87"]
[EventDate "2005.10.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. d4 e6 4. Bg2 Nc6 5. c3 Nf6 6. 0-0 Be7 7. Bf4 Qb6 8. b3 0-0 9. e3 Nh5 10. Nbd2 Nxf4 11. gxf4 cxd4 12. Nxd4 Nxd4 13. cxd4 Bd7 14. Kh1 Bb4 15. Nf3 Ba3 16. Ne5 Bb5 17. Rg1 f6 18. Nd3 Qd6 19. Bf1 Rf7 20. Bh3 Rc8 21. Nc5 Bxc5 22. Rc1 Rfc7 23. dxc5 Qe7 24. a4 Bd7 25. b4 b6 26. f5 bxc5 27. fxe6 Bxe6 28. Bxe6+ Qxe6 29. bxc5 Rxc5 30. Rxc5 Rxc5 31. Rg4 Qc6 32. Qb3 Qc8 33. Rb4 Qf5 34. Rf4 Qc8 35. e4 Rc1+ 36. Kg2 Qc4 37. Qb8+ Kf7 38. Qxa7+ Kg6 39. Rg4+ Kh5 40. f3 Qf1+ 41. Kg3 Qe1+ 42. Kf4 Qd2+ 43. Kf5 dxe4 44. Qf7+ 1-0

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.04"]
[Round "7.6"]
[White "Ott, Mathias"]
[Black "Sharma, Rakesh"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2024"]
[BlackElo "1528"]
[PlyCount "25"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Bd6 6. Qc2 0-0 7. Bd2 Nbd7 8. Bd3 e5 9. cxd5 cxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. h3 d4 13. exd4 1/2-1/2

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.03"]
[Round "6.5"]
[White "Gesing, Felix"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1807"]
[BlackElo "2024"]
[PlyCount "47"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. cxd5 Nxd5 7. Bc4 Nf6 8. Nf3 0-0 9. h3 c6 10. 0-0 Bf5 11. Bg5 Nbd7 12. Nh4 Bg6 13. Nxg6 hxg6 14. Qc2 Nb6 15. Bb3 Nbd5 16. Rfe1 Re8 17. Bxf6 gxf6 18. Nxd5 cxd5 19. Rac1 Qa5 20. Qc7 Qxc7 21. Rxc7 Bd6 22. Rcc1 Rxe1+ 23. Rxe1 Rd8 24. Kf1 1/2-1/2

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.03"]
[Round "5.5"]
[White "Sammon, Michael"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "1797"]
[BlackElo "2024"]
[PlyCount "38"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Bg2 d5 4. Nf3 e6 5. 0-0 Be7 6. Qc2 0-0 7. d4 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Nbd2 Rc8 11. Rac1 c5 12. Qb1 dxc4 13. Nxc4 b5 14. Ncd2 Qb6 15. a3 a5 16. dxc5 Nxc5 17. Bd4 Qa6 18. Qb2 Rfd8 19. Rc2 Nce4 1/2-1/2

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.02"]
[Round "3.8"]
[White "Ott, Mathias"]
[Black "Bonath, Michael Alexander"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2024"]
[BlackElo "1761"]
[PlyCount "71"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 c6 7. Qc2 Nbd7 8. Rd1 h6 9. Bh4 dxc4 10. Bxc4 b5 11. Bd3 a6 12. 0-0 Bb7 13. a3 c5 14. dxc5 Bxc5 15. Bxf6 gxf6 16. Be4 Ra7 17. Qe2 Qe7 18. Bb1 f5 19. e4 fxe4 20. Nxe4 Bd5 21. Qd2 Kg7 22. Rfe1 f5 23. Ng3 Bxf3 24. Qc3+ Qf6 25. Qxf3 Kh8 26. Qc6 Qxb2 27. Rxe6 Qxf2+ 28. Kh1 Nb8 29. Rxh6+ Rh7 30. Qg6 Rxh6 31. Qxh6+ Kg8 32. Rf1 Qb2 33. Nxf5 Qf6 34. Ne7+ Qxe7 35. Rxf8+ Qxf8 36. Qh7# 1-0

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.02"]
[Round "4.6"]
[White "Ott, Mathias"]
[Black "Weisshuhn, Gunnar"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2024"]
[BlackElo "1881"]
[PlyCount "42"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 Nc6 7. Bf4 a6 8. Rd1 Qe7 9. a3 Nh5 10. Bg5 f6 11. Bh4 g5 12. Bg3 Nxg3 13. hxg3 Bd6 14. Ne4 Bc7 15. c5 0-0 16. e3 g4 17. Nd4 Ne5 18. b4 f5 19. Nc3 d6 20. cxd6 Bxd6 21. Be2 Bd7 1/2-1/2

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.01"]
[Round "1.7"]
[White "Ott, Mathias"]
[Black "Wycisk, David"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2024"]
[BlackElo "1490"]
[PlyCount "82"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Bg5 Bxc3+ 6. Qxc3 Nbd7 7. Nf3 c5 8. d5 e5 9. Qc2 0-0 10. e4 h6 11. Bd2 Nb6 12. h3 Bd7 13. Bd3 Ne8 14. a3 Nc8 15. b4 b6 16. 0-0 g5 17. Nh2 Ng7 18. Ng4 Kh7 19. Ne3 Ne7 20. Kh2 Kh8 21. g3 f5 22. f3 f4 23. gxf4 gxf4 24. Ng4 h5 25. Nf2 Ng6 26. b5 Qh4 27. Be1 Qg3+ 28. Kh1 Qxf3+ 29. Kh2 Qg3+ 30. Kh1 Bxh3 31. Rg1 Qf3+ 32. Kh2 Bg2 33. Rxg2 Nh4 34. Rg1 Qe3 35. Be2 f3 36. Bd3 Qf4+ 37. Kh3 Ng2 38. Rxg2 fxg2 39. Kxg2 Qf3+ 40. Kf1 h4 41. Qd1 Qh1+ 1/2-1/2

[Event "NRW U25 op"]
[Site "Olpe"]
[Date "2005.10.01"]
[Round "2.5"]
[White "Sauk, Peter"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1778"]
[BlackElo "2024"]
[PlyCount "81"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Qc2 Rc8 11. Rac1 c5 12. Qb1 dxc4 13. Nxc4 Be4 14. Qa1 Rc7 15. Rfd1 Qc8 16. dxc5 Bxc5 17. Bd4 Rd8 18. Qb2 Bf8 19. Ncd2 Bc2 20. Rf1 Nd5 21. Ne5 N7f6 22. e4 Nb4 23. a3 Na6 24. b4 Nb8 25. Rfe1 b5 26. Bf1 Ba4 27. Rxc7 Qxc7 28. Rc1 Qd6 29. Nef3 Ne8 30. Bxa7 Nd7 31. Nb1 e5 32. Nc3 Qf6 33. Be2 Nd6 34. Nxa4 bxa4 35. Rc6 Qe7 36. Qc2 Nf6 37. Bb6 Rd7 38. Bd3 Qe6 39. Qxa4 Qg4 40. Nxe5 Qh3 41. Bf1 1-0

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.28"]
[Round "7"]
[White "Schoenrock, Ruediger"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2126"]
[BlackElo "1843"]
[PlyCount "41"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Qe7 10. Qh5+ Qf7 11. Bg6 hxg6 12. Qxh8 Nxd4 13. 0-0 Nxe5 14. Nb3 Nf5 15. Re1 Nh6 16. Nxd5 g5 17. Rxe5 fxe5 18. Nc3 Qf5 19. Be3 Bd7 20. Nc5 Bc6 21. Rd1 1/2-1/2

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.27"]
[Round "5"]
[White "Kutschke, Peter"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2128"]
[BlackElo "1843"]
[PlyCount "89"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bc4 b5 7. Bb3 a5 8. a3 Bg4 9. f3 Bd7 10. d4 Nh5 11. Qe2+ Qe7 12. Nc3 Na6 13. Qxe7+ Bxe7 14. Ne4 0-0 15. Ne2 a4 16. Ba2 b4 17. Bc4 h6 18. Nf4 Nf6 19. 0-0 Kh7 20. Nd3 Bf5 21. Re1 Bd8 22. axb4 Nb8 23. b3 a3 24. Bxa3 Nbd7 25. Bb5 Nxd5 26. Bc6 Bf6 27. Nxf6+ N7xf6 28. Bxa8 Rxa8 29. Ne5 Be6 30. Rec1 Ne8 31. b5 Nf4 32. Kf1 Bxb3 33. Nc6 Nf6 34. g3 N4d5 35. Kf2 Nb6 36. Bc5 Rxa1 37. Rxa1 Nc4 38. Rb1 Bc2 39. Rc1 Bd3 40. Rc3 Nb2 41. Rb3 Nd1+ 42. Ke1 Bc2 43. Ra3 Nb2 44. Ra2 Nd3+ 45. Kd2 1-0

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.27"]
[Round "6"]
[White "Ott, Mathias"]
[Black "Ehlers, Michael2222"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1843"]
[BlackElo "1626"]
[PlyCount "61"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. Qd5 b6 8. h3 Nh6 9. e4 Bb7 10. Qd2 Nd8 11. Bd3 Ne6 12. Be3 Nc5 13. Bxc5 Qxc5 14. a3 Bxc3 15. Qxc3 0-0 16. 0-0 f5 17. Rfe1 Rae8 18. b4 Qe7 19. Bc2 c5 20. b5 Qf7 21. Rad1 fxe4 22. Bxe4 Bxe4 23. Rxe4 Re6 24. Qd2 Rg6 25. Ne1 Qf5 26. Re3 Rf7 27. Rf3 Qxe5 28. Rxf7 Kxf7 29. Qxd7+ Qe7 30. Nf3 Kf8 31. Qc8+ 1-0

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.26"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Glebow, Roman"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "1843"]
[BlackElo "1589"]
[PlyCount "75"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 Nc6 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Bc5 10. Bd3 h6 11. Bh4 0-0 12. a3 a5 13. 0-0 b6 14. Be4 Rb8 15. Bg3 d6 16. Rab1 b5 17. Nxb5 Nxe4 18. Qxe4 Ba6 19. Nxd6 Bxd6 20. Rfd1 Bb7 21. Qc2 e5 22. Bxe5 Qg5 23. f4 Qg4 24. h3 Qxg2+ 25. Qxg2 Bxg2 26. Bxd6 Be4 27. Bxb8 Bxb1 28. Rxb1 Rxb8 29. b4 Kf8 30. Kf2 Ke7 31. e4 g5 32. fxg5 hxg5 33. Ke3 Ke6 34. Kd4 Rd8+ 35. Kc3 Ke5 36. b5 Kxe4 37. b6 f5 38. b7 1-0

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.26"]
[Round "3"]
[White "Scholz, Alexander"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2115"]
[BlackElo "1843"]
[PlyCount "49"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 a6 8. Rc1 Be7 9. Bd3 0-0 10. a3 Bd7 11. 0-0 Rc8 12. b4 Na7 13. Qb3 Qb6 14. Ne5 Bb5 15. Nxb5 Nxb5 16. Bg5 Rxc1 17. Rxc1 Rd8 18. a4 Na7 19. b5 h6 20. Bh4 a5 21. Bb1 Rc8 22. Rxc8+ Nxc8 23. Qc2 Nd6 24. Bxf6 Bxf6 25. Nd7 1-0

[Event "Rostock  PSV op 05th"]
[Site "Rostock"]
[Date "2005.08.25"]
[Round "1"]
[White "Ott, Mathias"]
[Black "Steinhagen, Bernd"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "1843"]
[BlackElo "2258"]
[PlyCount "92"]
[EventDate "2005.08.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 0-0 7. Rc1 a6 8. a4 c6 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. 0-0 Rc8 13. Qe2 Qa5 14. Ra1 Qb6 15. e4 b4 16. a5 Qd8 17. Na4 Ra8 18. e5 Nd5 19. Qe4 g6 20. Qh4 Re8 21. Rfe1 Qc7 22. Bxe7 Rxe7 23. Ng5 h5 24. Ne4 Qxa5 25. g4 Kg7 26. Qg5 Rh8 27. Nd6 Qc7 28. Re3 Nf8 29. Rf3 hxg4 30. Rf6 Rh5 31. Qxg4 Qd8 32. Nc5 Bc8 33. Rf3 Rh7 34. Bxa6 Bxa6 35. Rxf7+ Rxf7 36. Nxf7 Kxf7 37. Rxa6 Qh4 38. Qf3+ Kg8 39. Ra8 Qg5+ 40. Kf1 Qc1+ 41. Kg2 Nf4+ 42. Kg3 Rh3+ 43. Kg4 Rxf3 44. Kxf3 g5 45. Nd7 Qd1+ 46. Ke4 Qe2# 0-1

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.16"]
[Round "6"]
[White "Kalla, Christian"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1928"]
[BlackElo "2073"]
[PlyCount "111"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 0-0 12. Bg5 Qc7 13. Bh4 Nh5 14. Qc2 h6 15. Bg3 Nxg3 16. Nxg3 Qe7 17. Rad1 Bd7 18. Rfe1 Qf6 19. Nh5 Qe7 20. a3 a6 21. Qe2 Qf7 22. Ng3 Rae8 23. Ne5 Nxe5 24. dxe5 Bc5 25. Rd2 Rc8 26. Rf1 Bd4 27. Kh1 Qf4 28. Re1 Qxf2 29. Bh7+ Kh8 30. Qd1 Qf7 31. Bb1 Ba7 32. Rf1 Qe7 33. Rc2 Bc6 34. Rc3 g5 35. Qc2 Rxf1+ 36. Nxf1 Rf8 37. Rf3 Rxf3 38. gxf3 d4 39. Kg2 Qf7 40. Nd2 g4 41. Qd3 Bb5 42. Qe4 gxf3+ 43. Nxf3 Bc6 44. Qd3 Bb8 45. Qe2 Qxf3+ 46. Qxf3 Bxf3+ 47. Kxf3 Bxe5 48. Ba2 d3 49. Ke3 Bxb2 50. Bxe6 b5 51. a4 bxa4 52. Kxd3 a3 53. Kc2 Kg7 54. Kb3 Kf6 55. Bc8 a5 56. Bd7 1/2-1/2

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.16"]
[Round "7"]
[White "Ott, Mathias"]
[Black "Calder, Dennis"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2073"]
[BlackElo "2053"]
[PlyCount "62"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Qc7 6. Bd4 Bxc5 7. c3 Ne7 8. f4 Bxd4 9. cxd4 Qb6 10. Nc3 a6 11. Qd2 Nbc6 12. Nf3 Nf5 13. Ne2 h5 14. g3 Bd7 15. Bh3 g6 16. 0-0 Na5 17. b3 Bb5 18. Bxf5 gxf5 19. Rfc1 Bxe2 20. Qxe2 Nc6 21. Qd3 Ke7 22. Rc5 Rag8 23. Kf2 Rg4 24. Rac1 Kd7 25. b4 h4 26. Nxh4 Rhxh4 27. gxh4 Qd8 28. Ke1 Qxh4+ 29. Kd1 Rxf4 30. Qe2 Rf2 31. Rxc6 Qxd4+ 0-1

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.15"]
[Round "5"]
[White "Fenner, Martin"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2106"]
[BlackElo "2073"]
[PlyCount "49"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 0-0-0 14. 0-0 c5 15. d5 b4 16. Rb1 Bd6 17. dxe6 Bxg2 18. Kxg2 bxc3 19. exd7+ Rxd7 20. Qc2 Qc6+ 21. f3 Rh5 22. h4 Qc7 23. bxc3 Bxg3 24. Qe4 Rd8 25. Qg4+ 1-0

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.15"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Stephan, Gunther"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2073"]
[PlyCount "64"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[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. Bxf6 gxf6 10. Nd5 Bg7 11. c4 f5 12. Bd3 0-0 13. cxb5 Nd4 14. 0-0 fxe4 15. Bxe4 Be6 16. Nc2 Nxb5 17. a4 Na7 18. Ncb4 f5 19. Bc2 a5 20. Na6 Rc8 21. Bb3 Kh8 22. Ndc7 Bxb3 23. Qxb3 Nc6 24. Ne6 Nd4 25. Nxd4 exd4 26. Rac1 f4 27. f3 Rxc1 28. Rxc1 Qe8 29. Qd1 Qe3+ 30. Kh1 d3 31. h3 d2 32. Rb1 Rc8 0-1

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.14"]
[Round "3"]
[White "Kapitza, Mathias"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2020"]
[BlackElo "2073"]
[PlyCount "35"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. e3 d5 3. d4 Nf6 4. Nbd2 Nc6 5. Bd3 c4 6. Be2 e6 7. c3 Bd6 8. Qc2 b5 9. e4 dxe4 10. Nxe4 Bb7 11. 0-0 Nxe4 12. Qxe4 0-0 13. Ng5 g6 14. Qh4 h5 15. Bxh5 gxh5 16. Qxh5 Kg7 17. Qh7+ Kf6 18. Ne4+ 1-0

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.14"]
[Round "2"]
[White "Ott, Mathias"]
[Black "Schmidt, Oliver"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "2073"]
[BlackElo "2067"]
[PlyCount "48"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 e6 4. Nc3 cxd4 5. Nxd4 d5 6. Bg5 e5 7. Bxf6 gxf6 8. Ndb5 a6 9. Qa4 Bd7 10. 0-0-0 d4 11. Ne4 Bc6 12. e3 b6 13. Qc2 axb5 14. cxb5 Bxe4 15. Qxe4 Ra4 16. Kb1 Bc5 17. b3 Ra7 18. Bc4 Rd7 19. exd4 Rxd4 20. Rxd4 Qxd4 21. Qb7 0-0 22. Qf3 Ba3 23. Qe2 Rd8 24. Qc2 Qd2 0-1

[Event "Bielefeld Gr2"]
[Site "Bielefeld"]
[Date "2005.05.13"]
[Round "1"]
[White "Scharnowski, Tobias"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2135"]
[BlackElo "2073"]
[PlyCount "50"]
[EventDate "2005.05.13"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 0-0 7. 0-0 Bg4 8. Bg5 c6 9. f3 Bh5 10. Nf4 Bg6 11. Nxg6 fxg6 12. Ne2 Bd6 13. Qd2 Nbd7 14. Bf4 Qc7 15. Bxd6 Qxd6 16. Nf4 Rae8 17. c3 g5 18. Ne2 g4 19. f4 Ne4 20. Bxe4 Rxe4 21. Rae1 Nb6 22. b3 Nc8 23. g3 Rfe8 24. Nc1 Qe7 25. Nd3 Re2 1/2-1/2

[Event "Werther Schloss op-A 11th"]
[Site "Werther"]
[Date "2005.03.20"]
[Round "4"]
[White "Dargel, Manuel"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2113"]
[BlackElo "2073"]
[PlyCount "43"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bc4 b5 7. Bb3 a5 8. a3 Na6 9. d4 Bg4 10. Qd3 Qd7 11. Nc3 Nc7 12. Nf3 Bf5 13. Qe2 a4 14. Ne5 Qc8 15. Ba2 Qb7 16. Qf3 Bg6 17. h4 Rd8 18. h5 Nxh5 19. Rxh5 Bxh5 20. Qxh5 g6 21. Qf3 f6 22. d6 1-0

[Event "Werther Schloss op-A 11th"]
[Site "Werther"]
[Date "2005.03.20"]
[Round "5"]
[White "Ott, Mathias"]
[Black "Fritz, Axel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2073"]
[BlackElo "1913"]
[PlyCount "49"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. f4 e5 4. Nf3 c6 5. dxe5 dxe5 6. fxe5 Qc7 7. e6 fxe6 8. Bc4 Ne5 9. Bf4 Bd6 10. Nxe5 Nf6 11. Ng6 Bxf4 12. Nxh8 Bxh2 13. Nd2 b5 14. Bd3 Bg3+ 15. Kf1 e5 16. Nf3 Qb6 17. Qd2 Be6 18. Ng5 Bf4 19. Qc3 b4 20. Qe1 Bxg5 21. Qg3 Ng4 22. Ng6 Bh6 23. Nxe5 Qc7 24. Rh5 0-0-0 25. Ba6+ 1-0

[Event "Werther Schloss op-A 11th"]
[Site "Werther"]
[Date "2005.03.19"]
[Round "2"]
[White "Kalla, Christian"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1938"]
[BlackElo "2073"]
[PlyCount "41"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Bh4 Bd7 14. Bg3 Ng4 15. Qc2 h6 16. Bh7+ Kh8 17. Nh4 Be8 18. Ng6+ Bxg6 19. Bxg6 Nxh2 20. Kxh2 Bxg3+ 21. fxg3 1-0

[Event "Werther Schloss op-A 11th"]
[Site "Werther"]
[Date "2005.03.19"]
[Round "3"]
[White "Ott, Mathias"]
[Black "Bade, Hans Juergen"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2073"]
[BlackElo "2010"]
[PlyCount "73"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nc6 4. e4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Bd7 8. Ndb5 Bc8 9. Qe2 a6 10. Nd4 Qc7 11. Bb3 Be7 12. 0-0-0 b5 13. f3 0-0 14. g4 Rb8 15. g5 Nxd4 16. Rxd4 Nd7 17. g6 hxg6 18. h4 Nf6 19. Bg5 Rd8 20. f4 Nh5 21. f5 Ng3 22. Qf3 Nxh1 23. Qxh1 Bxg5+ 24. hxg5 Qc5 25. Rd3 gxf5 26. Rh3 Kf8 27. g6 Ke7 28. Rh7 Qe3+ 29. Kd1 Qd4+ 30. Kc1 fxg6 31. Qh4+ Kd7 32. Qg5 Bb7 33. Qxg6 Qe3+ 34. Kd1 Qf3+ 35. Kc1 Qf4+ 36. Kd1 Bxe4 37. Qxg7+ 1-0

[Event "Werther Schloss op-A 11th"]
[Site "Werther"]
[Date "2005.03.18"]
[Round "1"]
[White "Ott, Mathias"]
[Black "Kniest, Oliver"]
[Result "0-1"]
[ECO "C34"]
[WhiteElo "2073"]
[BlackElo "2319"]
[PlyCount "66"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Ne7 4. d4 d5 5. Nc3 dxe4 6. Nxe4 Nd5 7. Bc4 Be7 8. 0-0 Be6 9. Bd3 0-0 10. Qe2 Bg4 11. c4 Nb4 12. Bxf4 Bxf3 13. Rxf3 Qxd4+ 14. Nf2 Nxd3 15. Rxd3 Qxf4 16. Qxe7 Nc6 17. Qc5 Rad8 18. Rf3 Qe5 19. Qa3 Rd2 20. Rf1 Qxb2 21. Qe3 Qd4 22. Qg5 h6 23. Qg3 Ne5 24. Rf4 Qb6 25. Qc3 Qb2 26. Qg3 Ng6 27. Rg4 Qb6 28. h4 Re8 29. Qc3 Ree2 30. c5 Qe6 31. Qg3 Qe5 32. Qf3 Qxc5 33. Rf4 Nxf4 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.29"]
[Round "7"]
[White "Wiecker, Stefan"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1740"]
[BlackElo "1965"]
[PlyCount "49"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Bd3 0-0 8. Qh5 f5 9. exf6 Nxf6 10. Qh4 g6 11. Nf3 c5 12. 0-0 Nc6 13. Rfe1 cxd4 14. Nxd4 e5 15. Nb3 Bd7 16. a3 Rae8 17. Rad1 a6 18. Qg5 e4 19. Nxd5 Qg7 20. Nxf6+ Rxf6 21. Rxe4 Ref8 22. Re2 Bf5 23. Bc4+ Kh8 24. Nd4 Rd6 25. c3 1/2-1/2

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.28"]
[Round "5"]
[White "Loeke, Patrick"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1666"]
[BlackElo "1965"]
[PlyCount "56"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 c6 8. Re1 dxc4 9. Bxc4 b5 10. Bd3 a6 11. e4 c5 12. Bf4 cxd4 13. Nxd4 Bb7 14. Nf3 Nc5 15. Bc2 b4 16. Na4 Ncxe4 17. Ne5 Rc8 18. Bb3 Bc5 19. Be3 Bxe3 20. Rxe3 Nd6 21. Rd3 Bd5 22. Ng4 Nxg4 23. Bxd5 exd5 24. Qxg4 Qa5 25. b3 Ne4 26. Rad1 Nc3 27. Nxc3 bxc3 28. Rxd5 Qxd5 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.28"]
[Round "6"]
[White "Ott, Mathias"]
[Black "Schroeder, Christian"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1965"]
[BlackElo "2100"]
[PlyCount "106"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bg5 Bg7 6. e3 0-0 7. Qb3 dxc4 8. Bxc4 Nbd7 9. 0-0 h6 10. Bh4 g5 11. Bg3 Nh5 12. Be5 Nb6 13. Bd3 Be6 14. Qc2 f6 15. Bg3 Nxg3 16. fxg3 Rc8 17. Rad1 Qc7 18. Qe2 Bg4 19. Bb1 e6 20. Qd3 f5 21. h3 Bh5 22. g4 Bg6 23. h4 Bf6 24. hxg5 hxg5 25. gxf5 Bxf5 26. e4 Bg6 27. Qe3 g4 28. Nh2 g3 29. Ng4 Bg7 30. e5 Bxb1 31. Rxb1 Qd8 32. Ne4 Qh4 33. Ngf6+ Bxf6 34. Nxf6+ Kg7 35. Rf4 Qh2+ 36. Kf1 Nd5 37. Rg4+ Kh8 38. Qe4 Rxf6+ 39. exf6 Nxf6 40. Qe5 Rf8 41. Rxg3 Qh1+ 42. Ke2 Qxb1 43. Rh3+ Kg7 44. Qc7+ Rf7 45. Rg3+ Kf8 46. Qd6+ Ke8 47. Qb8+ Ke7 48. Qxb7+ Nd7 49. Qb3 Qf1+ 50. Kd2 Rf2+ 51. Kc3 Rxg2 52. Re3 Qc1+ 53. Kb4 Rxb2 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.27"]
[Round "3"]
[White "Miedeck, Franz"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1709"]
[BlackElo "1965"]
[PlyCount "120"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. h3 Nbc6 7. a3 Bf5 8. Nc3 Bxd3 9. Qxd3 a6 10. 0-0 Qd7 11. Re1 0-0-0 12. b4 f6 13. b5 axb5 14. Nxb5 g5 15. Nxd6+ Qxd6 16. Nh2 h5 17. c3 g4 18. h4 Rhg8 19. g3 Qd7 20. Bf4 Ng6 21. Rab1 Nxf4 22. gxf4 g3 23. fxg3 Qh3 24. Re3 Qxh4 25. Kh1 Qh3 26. Rg1 Qd7 27. Qe2 Qf5 28. Rg2 Qg6 29. Re6 Rde8 30. Qe3 Nd8 31. Rxe8 Rxe8 32. Qf3 Re4 33. g4 hxg4 34. Rxg4 Re1+ 35. Kg2 Qc2+ 36. Kh3 Re2 37. Qg3 Qe4 38. Nf1 f5 39. Rg8 Re1 40. Qf2 Qd3+ 41. Ng3 Qxc3 42. Kh4 Qc1 43. Kg5 Qb1 44. Nxf5 Rg1+ 45. Ng3 Kd7 46. Rg7+ Kd6 47. Kf6 Re1 48. Nf5+ Kc6 49. Ne7+ Kd6 50. f5 Kd7 51. Qf4 Qb6+ 52. Nc6+ Kxc6 53. Rg6 Kd7+ 54. Kg7 Re7+ 55. Kg8 Qb1 56. Qg4 Qe4 57. Qh3 Re8+ 58. Kh7 Qxd4 59. f6+ Ne6 60. Rg7+ Kc6 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.27"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Schoenrock, Ruediger"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1965"]
[BlackElo "2197"]
[PlyCount "16"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Be6 7. Bg5 Qa5 8. Nd2 Qxg5 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.26"]
[Round "1"]
[White "Mangold, Thomas"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1208"]
[BlackElo "1965"]
[PlyCount "74"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. Qb3 Qc7 10. 0-0 cxd4 11. cxd4 c5 12. Qc3 Ba6 13. Re1 Rc8 14. b3 Qb6 15. Qe3 cxd4 16. Nxd4 Nc5 17. N2f3 Ne4 18. Bb2 Bc5 19. Rac1 0-0 20. Rc2 f6 21. Rec1 fxe5 22. Nxe5 Qd6 23. Nd3 e5 24. Nxc5 Rxc5 25. Nf3 Rxc2 26. Rxc2 Qg6 27. Nxe5 Qf5 28. Nc6 Qh5 29. Qd4 Nf6 30. Ne7+ Kh8 31. Rc7 Qe2 32. h3 Bd3 33. Nxd5 Qf1+ 34. Kh2 Be4 35. Nf4 Qb5 36. Qxa7 Qg5 37. Bxf6 Qxf4+ 0-1

[Event "Rostock  PSV op 04th"]
[Site "Rostock"]
[Date "2004.08.26"]
[Round "2"]
[White "Ott, Mathias"]
[Black "Drill, Frank J"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1965"]
[BlackElo "2175"]
[PlyCount "92"]
[EventDate "2004.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3 Nc6 5. Nf3 Nb4 6. cxd5 exd5 7. e4 dxe4 8. Ng5 Qd7 9. Bb5 c6 10. Bc4 Nh6 11. 0-0 0-0-0 12. Bxf7 Nxf7 13. Qxf7 Nc2 14. Rb1 Be7 15. Ngxe4 Rhf8 16. Qb3 Nxd4 17. Qa4 Bxe4 18. Nxe4 Qg4 19. Nc3 Ne2+ 20. Kh1 Qxa4 21. Nxa4 Rd4 22. b3 b5 23. Be3 bxa4 24. Bxd4 Nxd4 25. bxa4 Kc7 26. a5 Bc5 27. Rfc1 Kd6 28. f3 h5 29. Rb7 h4 30. Re1 Nf5 31. g4 hxg3 32. hxg3 Rh8+ 33. Kg2 Ne3+ 34. Rxe3 Bxe3 35. Rxg7 Rb8 36. f4 Bd4 37. Rg6+ Kd5 38. Kf3 c5 39. Rg5+ Kc4 40. f5 Kd3 41. Rg6 c4 42. Rc6 c3 43. g4 Rb5 44. f6 Rc5 45. f7 Rxc6 46. f8Q Rf6+ 0-1

[Event "Werther Schloss op-A 10th"]
[Site "Werther"]
[Date "2004.04.04"]
[Round "5"]
[White "Ott, Mathias"]
[Black "Bruemmer, Frank"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1930"]
[BlackElo "2226"]
[PlyCount "120"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 cxd4 5. Qxd4 Nc6 6. Qd1 exd5 7. e3 Nf6 8. Nf3 Bd6 9. Bb5 0-0 10. 0-0 Bc7 11. b3 Qd6 12. Be2 a6 13. Bb2 Bf5 14. g3 Rad8 15. Re1 Rfe8 16. Nh4 Bh3 17. Bf1 Qd7 18. Ne2 Bxf1 19. Rxf1 Ne4 20. Nd4 Nxd4 21. Bxd4 Qh3 22. Qe2 Re6 23. Rfc1 Be5 24. Bxe5 Rxe5 25. Rc7 g5 26. Nf3 Rf5 27. Rf1 Rf6 28. Re7 Rc8 29. Ne5 Nxf2 30. Rxf7 Rxf7 31. Nxf7 Ne4 32. Ne5 Nxg3 33. hxg3 Qxg3+ 34. Kh1 Qxe5 35. Qh5 Re8 36. Qh6 Qxe3 37. Qf6 Qe5 38. Qf7+ Kh8 39. Rf5 Qe4+ 40. Kh2 Qh4+ 41. Kg1 Qd4+ 42. Kh1 Qe4+ 43. Kg1 Qe3+ 44. Kf1 Qd3+ 45. Kg1 Re1+ 46. Rf1 Rxf1+ 47. Qxf1 Qe3+ 48. Kg2 Kg7 49. Qf5 Qd2+ 50. Kg1 Qe3+ 51. Kg2 d4 52. Qd7+ Kh6 53. Qd6+ Kh5 54. Qh2+ Kg4 55. Qxh7 Qd2+ 56. Kh1 d3 57. Qd7+ Kg3 58. Qd6+ Kf3 59. Qd5+ Ke2 60. Qg2+ Kd1 0-1

[Event "Werther Schloss op-A 10th"]
[Site "Werther"]
[Date "2004.04.04"]
[Round "4"]
[White "Schmidt, Peter2222"]
[Black "Ott, Mathias"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2138"]
[BlackElo "1930"]
[PlyCount "87"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. d4 d5 5. e3 0-0 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 Re8 9. 0-0 Nbd7 10. Qd1 e5 11. dxe5 Nxe5 12. Nd2 Qe7 13. Nf3 Nxd3 14. cxd3 Nd7 15. Bxg7 Kxg7 16. d4 Nf6 17. Qc2 c6 18. Rab1 a5 19. Rfc1 Ne4 20. Qb2 Reb8 21. a3 Nd6 22. Nd2 Nb5 23. Ra1 Qd6 24. a4 Nc7 25. e4 dxe4 26. d5+ Qf6 27. Qxf6+ Kxf6 28. dxc6 bxc6 29. Rxc6+ Ne6 30. Nxe4+ Kg7 31. Rb1 Nd4 32. Rc7 Rxb3 33. Rxb3 Nxb3 34. Ng5 h6 35. Nxf7 Rb8 36. Ne5+ Kg8 37. Nxg6 Rb4 38. f4 Nd4 39. Ne7+ Kf8 40. f5 Rxa4 41. Ng6+ Kg8 42. f6 Ra1+ 43. Kh2 Rf1 44. Rg7# 1-0

[Event "Werther Schloss op-A 10th"]
[Site "Werther"]
[Date "2004.04.03"]
[Round "2"]
[White "Brendel, Oliver"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2329"]
[BlackElo "1930"]
[PlyCount "66"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 d6 5. Bg2 Nf6 6. 0-0 Be7 7. Re1 Qc7 8. c3 0-0 9. a3 d5 10. e5 Nd7 11. Bf4 Qb6 12. b4 f6 13. d4 cxd4 14. cxd4 a5 15. Bh3 f5 16. b5 Qxb5 17. Nc3 Qb6 18. Bf1 Na7 19. h4 Nb8 20. Na4 Qd8 21. Rb1 Nbc6 22. Nb6 Rb8 23. Qd3 Bd7 24. Rec1 Nc8 25. Nxd7 Qxd7 26. Rc2 N8a7 27. Bg5 Rfc8 28. Rb6 Nd8 29. Rcb2 Rc6 30. Rxc6 Ndxc6 31. Bxe7 Qxe7 32. Rb6 Nc8 33. Rb1 N8a7 1/2-1/2

[Event "Werther Schloss op-A 10th"]
[Site "Werther"]
[Date "2004.04.03"]
[Round "3"]
[White "Ott, Mathias"]
[Black "Braun, Vitali"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1930"]
[BlackElo "2209"]
[PlyCount "106"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 e6 6. Bg5 Bb4 7. Qc2 0-0 8. e3 Nbd7 9. Bd3 Qa5 10. 0-0 dxc4 11. Bxc4 c5 12. Bxf6 Nxf6 13. Ne4 Nxe4 14. Qxe4 cxd4 15. Nxd4 Bd6 16. Rfd1 Bxh2+ 17. Kxh2 Qc7+ 18. Qf4 Qxc4 19. Rdc1 Qd5 20. Nf3 Bd7 21. Ne5 Bc6 22. Nxc6 bxc6 23. Rd1 Qb3 24. Rd7 Rad8 25. Rad1 Qxd1 26. Rxd1 Rxd1 27. Qc4 Rd2 28. Kg3 Rxb2 29. Qxc6 Rbb8 30. Qxa6 Ra8 31. Qc6 Ra5 32. Kf3 Rfa8 33. g4 h6 34. Qd7 Rxa4 35. Qe7 Ra2 36. g5 R2a7 37. Qc5 Ra5 38. Qc6 hxg5 39. Qc4 Ra2 40. Kg3 Rb2 41. Qg4 Rb5 42. Qc4 Rd5 43. Qb3 g6 44. Qc4 Rd2 45. Qc5 Raa2 46. Qxg5 Rxf2 47. Qd8+ Kg7 48. Qd4+ Rf6 49. Kg4 Rg2+ 50. Kh3 Rg5 51. Kh4 e5 52. Qb2 Rff5 53. Qc3 Rg1 0-1

[Event "Werther Schloss op-A 10th"]
[Site "Werther"]
[Date "2004.04.02"]
[Round "1"]
[White "Ott, Mathias"]
[Black "Henrich, Holger"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1930"]
[BlackElo "2169"]
[PlyCount "55"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 Bb4 6. e3 c5 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qc2 c4 11. Nd2 0-0 12. Be2 Re8 13. 0-0 Ne4 14. Nxe4 dxe4 15. Bf4 Qd5 16. Qa2 b5 17. a4 Nb6 18. axb5 Qxb5 19. Bc7 Re6 20. Rfb1 Qd7 21. Bxb6 Rh6 22. Qxc4 Rb8 23. Bc5 Qc7 24. g3 Bb7 25. Rxa7 Qc8 26. Bf1 Rf6 27. Be7 Rc6 28. Qb4 1-0

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.31"]
[Round "7"]
[White "Boettcher, Dietmar"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1751"]
[BlackElo "1899"]
[PlyCount "52"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. e3 Nbd7 5. Bd3 c5 6. c3 b6 7. Nbd2 Bb7 8. Rc1 Be7 9. 0-0 0-0 10. Re1 Rc8 11. Bb1 Re8 12. Ne5 Nf8 13. Ndf3 cxd4 14. exd4 b5 15. a3 a5 16. Bd2 Qb6 17. Ng5 b4 18. axb4 axb4 19. Ngxf7 bxc3 20. bxc3 Ba3 21. Rc2 Ne4 22. Qg4 Ng6 23. Qe2 Re7 24. Ng5 Nxe5 25. Nxe4 Ba6 26. Qh5 Nd3 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.30"]
[Round "6"]
[White "Ott, Mathias"]
[Black "Rudolf, Henrik"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1899"]
[BlackElo "2316"]
[PlyCount "112"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 h6 10. Bxf6 Qxf6 11. Nd5 Qd8 12. Qc2 c6 13. Ne3 Qb6 14. Nd2 Nc5 15. Rad1 Be6 16. Ne4 Rad8 17. Nxc5 Qxc5 18. b3 f5 19. Rxd8 Rxd8 20. Rd1 Rd4 21. Nf1 e4 22. e3 Rxd1 23. Qxd1 Bf6 24. Nd2 Kf7 25. Nb1 Ke7 26. Kf1 a5 27. Ke1 a4 28. Bf1 axb3 29. axb3 Qb4+ 30. Ke2 f4 31. Nd2 f3+ 32. Ke1 Bc3 33. Qc2 c5 34. h4 g5 35. hxg5 hxg5 36. Qd1 g4 37. Qc2 Bxd2+ 38. Qxd2 Qxb3 39. Qa5 b6 40. Qa7+ Kf6 41. Qb8 Qc2 42. Qd8+ Kg6 43. Qe8+ Bf7 44. Qc6+ Kg7 45. Qd6 Qc1+ 46. Qd1 Qxd1+ 47. Kxd1 Kf6 48. Kc2 Bg6 49. Kb3 Ke5 50. Ka4 Be8+ 51. Kb3 Kd6 52. Ka3 Kc7 53. Kb3 Kb7 54. Ka3 Ka6 55. Kb3 Ka5 56. Ka3 Ba4 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.30"]
[Round "5"]
[White "Raitza, Egon"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1684"]
[BlackElo "1899"]
[PlyCount "62"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Be7 7. 0-0 0-0 8. Qe2 b6 9. e4 dxe4 10. Nxe4 cxd4 11. Rd1 Qc7 12. cxd4 Rd8 13. Be3 Bb7 14. Rac1 Rac8 15. Ne5 Qb8 16. Nc3 Nxe5 17. dxe5 Qxe5 18. Ba6 Bxa6 19. Qxa6 Ng4 20. g3 Nxe3 21. Re1 Bc5 22. fxe3 Bxe3+ 23. Kh1 Qg5 24. Rc2 Rc7 25. Qe2 Bc5 26. Qf3 Rcd7 27. Rce2 Bb4 28. Re5 Qe7 29. Rf1 Rd3 30. Qc6 Bxc3 31. bxc3 Qd6 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.29"]
[Round "3"]
[White "Ernst, Mathias"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1612"]
[BlackElo "1899"]
[PlyCount "84"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Qd3 0-0 9. g4 h6 10. Kh1 b5 11. Qh3 Bb7 12. f3 Nh7 13. Bd3 Nd7 14. Nce2 d5 15. exd5 Bxd5 16. Nf4 Ng5 17. Qg2 Bb7 18. h4 Ne5 19. hxg5 Qxd4 20. c3 Qd6 21. Bc2 Bxg5 22. Nh3 Bxc1 23. Raxc1 Nc4 24. Rcd1 Qe7 25. Qe2 Nxb2 26. g5 Nxd1 27. Qd3 g6 28. Qxd1 Rfd8 29. Qb1 Kh7 30. Qe1 hxg5 31. Qe3 Rd5 32. Rg1 g4 33. Rxg4 Rh5 34. Kg2 Kg7 35. Ng5 Rah8 36. Qe5+ Kg8 37. Qb8+ Qf8 38. Qxb7 Rh2+ 39. Kf1 Rh1+ 40. Rg1 Rxg1+ 41. Kxg1 Qc5+ 42. Kf1 Qxg5 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.29"]
[Round "4"]
[White "Ott, Mathias"]
[Black "Prosch, Carsten"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1899"]
[BlackElo "2236"]
[PlyCount "48"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. Be3 Nc6 10. 0-0 Qc7 11. Qc1 Rd8 12. Rd1 Bd7 13. Rb1 Na5 14. Bb5 a6 15. Bxd7 Rxd7 16. d5 Nc4 17. Bf4 Qa5 18. Ra1 Rad8 19. Qc2 e6 20. dxe6 Na3 21. e7 Nxc2 22. Rxd7 Re8 23. Bc7 Qa4 24. Rad1 Nd4 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.28"]
[Round "1"]
[White "Fischer, Joachim"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "1899"]
[PlyCount "56"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 Nf6 7. e5 dxe5 8. Qxd8+ Nxd8 9. Nxe5 a6 10. Be3 e6 11. 0-0-0 Be7 12. Bb6 Nd7 13. Bc7 b5 14. Be2 Ra7 15. Bxd8 Bxd8 16. Nxd7 Bxd7 17. Bf3 Rc7 18. Kb1 0-0 19. Rd6 b4 20. Ne4 Be7 21. Rd2 Rb8 22. Rhd1 Bc6 23. Rc2 Rcc8 24. Rxc6 Rxc6 25. Nf6+ Bxf6 26. Bxc6 b3 27. Rd2 Rc8 28. Bb7 Rc1+ 0-1

[Event "Rostock  PSV op 03rd"]
[Site "Rostock"]
[Date "2003.08.28"]
[Round "2"]
[White "Ott, Mathias"]
[Black "Dettmann, Gerd"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1899"]
[BlackElo "2162"]
[PlyCount "104"]
[EventDate "2003.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. Nf3 Nc6 6. e3 0-0 7. Bd3 d5 8. cxd5 exd5 9. dxc5 Bxc5 10. 0-0 Nb4 11. Qd2 Nxd3 12. Qxd3 b6 13. a3 Bb7 14. b4 Be7 15. Bb2 Qd7 16. Ne2 Rac8 17. Rac1 Rxc1 18. Rxc1 Rc8 19. Rxc8+ Qxc8 20. Nf4 Qc4 21. Ne5 Qa2 22. Bd4 Ne4 23. Ne2 f6 24. Nf3 Ba6 25. b5 Bb7 26. Ne1 Qxa3 27. Qc2 Bc5 28. Bb2 Qb4 29. Nd3 Qxb5 30. Ndf4 Qc4 31. Qd1 Qa2 32. Bc1 Bd6 33. Nd3 Ba6 34. f3 Qc4 35. Nb2 Qxe2 36. Qxd5+ Kf8 37. Qa8+ Kf7 38. Qd5+ Ke7 39. Qxe4+ Kd7 40. Qa4+ Kc7 41. Qd1 Qxd1+ 42. Nxd1 Bc4 43. Kf2 a5 44. g3 a4 45. Nc3 a3 46. Ke1 b5 47. f4 b4 48. Ne4 Be7 49. Nd2 Be6 50. Nf3 b3 51. Nd4 Bb4+ 52. Kd1 Bg4+ 0-1

[Event "Werther Schloss op-B 9th"]
[Site "Werther"]
[Date "2003.04.13"]
[Round "5"]
[White "Henkemeier, Michael"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "D21"]
[WhiteElo "1760"]
[BlackElo "1814"]
[PlyCount "54"]
[EventDate "2003.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4 Nf6 5. e5 Nd5 6. Bxc4 e6 7. 0-0 b5 8. Bb3 Bb7 9. Bg5 Be7 10. Bxe7 Nxe7 11. Nc3 0-0 12. Qd3 Ng6 13. Bc2 Nc6 14. a3 Nce7 15. Rad1 Rc8 16. b4 Nd5 17. Ne2 Re8 18. h4 Qe7 19. Ng5 h6 20. Nf3 Nb6 21. Nf4 Nf8 22. g3 Nc4 23. Nh2 Nb2 24. Qe3 Nxd1 25. Rxd1 Qd7 26. Ng4 Qc6 27. Nd5 Qxd5 0-1

[Event "Werther Schloss op-B 9th"]
[Site "Werther"]
[Date "2003.04.13"]
[Round "4"]
[White "Moennich, Gerhard"]
[Black "Ott, Mathias"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1726"]
[BlackElo "1814"]
[PlyCount "76"]
[EventDate "2003.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 c6 6. Be3 Bf5 7. Nf3 e6 8. Qb3 Qc7 9. Rc1 N8d7 10. Be2 Rc8 11. 0-0 Be7 12. h3 h6 13. d5 exd5 14. cxd5 Nc5 15. Bxc5 Bxc5 16. Nh4 Bd7 17. dxc6 bxc6 18. Na4 Be7 19. Nf3 0-0 20. Nc5 Bxc5 21. Rxc5 Be6 22. Qc2 Nd7 23. Rc3 c5 24. b3 Qb6 25. Rc1 Nf6 26. Rxc5 Ne4 27. Rxc8 Qxf2+ 28. Kh2 Rxc8 29. Bc4 Qg3+ 30. Kg1 Bxh3 31. Ne1 Qe3+ 32. Kh2 Qf4+ 33. Kg1 Bf5 34. Qd1 Qe3+ 35. Kh2 Nf2 36. Qf3 Ng4+ 37. Kh1 Qxc1 38. Bxf7+ Kh8 0-1

[Event "Werther Schloss op-B 9th"]
[Site "Werther"]
[Date "2003.04.12"]
[Round "2"]
[White "Krabbe Rachut, Helmut"]
[Black "Ott, Mathias"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1662"]
[BlackElo "1814"]
[PlyCount "104"]
[EventDate "2003.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Bd6 7. c4 Nf4 8. c5 Nxe2+ 9. Qxe2 Be7 10. Qb5+ Nc6 11. Ne5 a6 12. Nxc6 axb5 13. Nxd8 Rxd8 14. f3 Bf5 15. Be3 c6 16. Nc3 0-0 17. Rad1 Ra8 18. a3 Bc2 19. Rd2 Bb3 20. Re1 Rfd8 21. Ne2 Bf6 22. Nc1 Bc4 23. Kf2 Rd7 24. Red1 h6 25. g3 Rad8 26. Ke1 Kf8 27. Kf2 Ke7 28. Ke1 Ke8 29. Kf2 e5 30. dxe5 Bxe5 31. b3 Be6 32. Rxd7 Rxd7 33. Re1 Bb2 34. a4 bxa4 35. bxa4 Kf8 36. Bf4 Bd4+ 37. Kg2 Bxc5 38. Ne2 Bb4 39. Rb1 c5 40. g4 Bc4 41. Ng3 b6 42. Ne4 Kg8 43. Bxh6 Ra7 44. Bf4 Rxa4 45. Rd1 Ra8 46. Bc7 Ba5 47. Nd6 Be6 48. Ra1 Ra7 49. Nb5 Rb7 50. Be5 c4 51. Rd1 Rd7 52. Nd6 Bb4 1/2-1/2

[Event "Werther Schloss op-B 9th"]
[Site "Werther"]
[Date "2003.04.12"]
[Round "3"]
[White "Ott, Mathias"]
[Black "Brinkmann, Andrea"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1814"]
[BlackElo "1741"]
[PlyCount "40"]
[EventDate "2003.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Nf3 Bf5 5. e3 e6 6. a3 a5 7. Be2 Nbd7 8. 0-0 Bd6 9. cxd5 exd5 10. Bd3 Ne4 11. Qc2 Ndf6 12. h3 Qe7 13. Bd2 h6 14. Rfc1 0-0 15. Be1 Qe6 16. Nd2 Bxh3 17. Ndxe4 dxe4 18. Bxe4 Nxe4 19. Qxe4 Bf5 20. Qxe6 Bxe6 1/2-1/2

