[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.07"]
[Round "9"]
[White "Trostel, Uwe"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1676"]
[BlackElo "1838"]
[PlyCount "37"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Bd3 dxc4 6. Bxc4 0-0 7. Nf3 Nfd7 8. 0-0 Nc6 9. e4 Nb6 10. Qe2 Nxd4 11. Nxd4 Qxd4 12. Bb3 c6 13. Be3 Qf6 14. f4 Be6 15. e5 Qf5 16. Bc2 Qg4 17. Qf2 Nd5 18. Bd1 Qf5 19. Bc2 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.06"]
[Round "8"]
[White "Petkov, Peter"]
[Black "Kollberg, Lothar"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1838"]
[BlackElo "1947"]
[PlyCount "79"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nc6 8. Bg5 h6 9. Bd2 Be6 10. Qc1 Kh7 11. Rb1 Qd7 12. Re1 d5 13. cxd5 Nxd5 14. Ne4 b6 15. a3 Rad8 16. Nc3 Nxc3 17. Bxc3 Nd4 18. Nd2 c5 19. Qd1 Bd5 20. Bxd5 Qxd5 21. Bxd4 exd4 22. Qa4 Rd7 23. b4 cxb4 24. axb4 Rc8 25. Rec1 Rdc7 26. Rxc7 Rxc7 27. Nf3 b5 28. Qa1 Qe6 29. Nxd4 Bxd4 30. Qxd4 Qxe2 31. Ra1 Qe7 32. Qe3 Qxb4 33. Rxa7 Rxa7 34. Qxa7 Kg7 35. d4 Qe1+ 36. Kg2 b4 37. Qc5 b3 38. d5 Qe5 39. Qb5 b2 40. h4 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.05"]
[Round "7"]
[White "Kolkwitz, Klaus"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1681"]
[BlackElo "1838"]
[PlyCount "88"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Nbd2 d6 6. Be2 Nbd7 7. h3 c5 8. c3 Qb6 9. Rb1 cxd4 10. exd4 Re8 11. Bh2 Qd8 12. 0-0 b6 13. Bc4 d5 14. Bb3 Bb7 15. Ne5 Nxe5 16. Bxe5 Ne4 17. Bxg7 Nxd2 18. Qxd2 Kxg7 19. Ba4 Rf8 20. Qf4 Qb8 21. Qxb8 Raxb8 22. Rfe1 e6 23. f4 h5 24. Kf2 Rfc8 25. Bd1 Ba6 26. Be2 Bxe2 27. Kxe2 b5 28. Rec1 b4 29. Kd3 bxc3 30. bxc3 Rb6 31. Rxb6 axb6 32. Rb1 Ra8 33. Rb2 h4 34. Ke3 Ra3 35. Rc2 Kf6 36. Kd3 b5 37. Rb2 b4 38. Ke2 Rxc3 39. Rxb4 Rc2+ 40. Kf3 Rxa2 41. Kg4 Rxg2+ 42. Kxh4 Kf5 43. Rb1 f6 44. Rd1 Rf2 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.04"]
[Round "6"]
[White "Petkov, Peter"]
[Black "Kornath, Heinrich"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1838"]
[BlackElo "1673"]
[PlyCount "32"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. c3 Nge7 7. Be3 d6 8. Nh3 b6 9. 0-0 Ba6 10. Qd2 Ne5 11. Nf4 Ng4 12. Re1 Nxe3 13. fxe3 0-0 14. Na3 d5 15. Nc2 Bb7 16. exd5 exd5 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.03"]
[Round "5"]
[White "Mayer, Herbert"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1720"]
[BlackElo "1838"]
[PlyCount "22"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 g6 4. Nc3 Nf6 5. b3 Bg7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 0-0 9. Bb2 a6 10. Ne2 e6 11. Qe1 Rc8 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.02"]
[Round "4"]
[White "Petkov, Peter"]
[Black "Cichon, Joerg"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1838"]
[BlackElo "1636"]
[PlyCount "22"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. g3 c5 4. Bg2 Nc6 5. 0-0 e6 6. Nc3 Nge7 7. e3 0-0 8. d4 cxd4 9. Nxd4 a6 10. Re1 Qc7 11. Nxc6 Nxc6 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.31"]
[Round "3"]
[White "Schroeder, Wolfgang"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1467"]
[BlackElo "1838"]
[PlyCount "37"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Bf5 5. Ngf3 e6 6. e3 Bd6 7. Bxd6 Qxd6 8. Ne5 Nd7 9. Nxd7 Qxd7 10. f3 Nd6 11. Nb3 0-0 12. Bd3 Qe7 13. Qe2 e5 14. Bxf5 Nxf5 15. 0-0-0 exd4 16. e4 c5 17. Nxc5 Qxc5 18. exf5 Rfe8 19. Qd3 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.30"]
[Round "2"]
[White "Petkov, Peter"]
[Black "Triegel, Rudi"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1838"]
[BlackElo "1531"]
[PlyCount "127"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 exd4 5. Nxd4 a6 6. Bg5 Be7 7. Qd2 Nbd7 8. f3 h6 9. Be3 Ne5 10. Be2 Bd7 11. g4 Nh7 12. 0-0-0 b5 13. Nf5 Bxf5 14. gxf5 Nc4 15. Bxc4 bxc4 16. Nd5 Nf6 17. Rhg1 Nxd5 18. Qxd5 Kf8 19. Qxc4 Qc8 20. f4 Bf6 21. Bd4 Bxd4 22. Qxd4 Rh7 23. Rd3 Qd8 24. e5 Ke7 25. Qe4 Kf8 26. Re1 Rb8 27. exd6 cxd6 28. Qd4 Rb6 29. Rde3 Rb8 30. c3 Rh8 31. Rg1 Qf6 32. Rd3 Qxd4 33. Rxd4 Rb6 34. Re1 h5 35. Rde4 Rb8 36. Rd4 Rb6 37. Red1 Ke7 38. Kc2 Rh6 39. Rd5 Rb5 40. c4 Rc5 41. Rxc5 dxc5 42. Rd5 Rc6 43. Kd3 Rd6 44. Ke4 f6 45. h4 a5 46. Ke3 Kd7 47. Rxc5 Ra6 48. b3 Kd6 49. Rd5+ Kc6 50. Rb5 Ra7 51. Kd4 Rd7+ 52. Rd5 Ra7 53. Kc3 Ra6 54. a3 Ra7 55. b4 axb4+ 56. axb4 Ra3+ 57. Kd4 Rh3 58. b5+ Kc7 59. c5 Rxh4 60. b6+ Kc8 61. c6 Rxf4+ 62. Kc5 Rf1 63. b7+ Kc7 64. Rd7+ 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.29"]
[Round "1"]
[White "Kammler, Hans Joachim"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1483"]
[BlackElo "1838"]
[PlyCount "32"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. Be3 c6 7. Bb3 Qc7 8. Qd2 b5 9. a3 a5 10. Qd3 Ba6 11. Nd2 Nbd7 12. Ne2 e5 13. 0-0 a4 14. Ba2 b4 15. Bc4 Bxc4 16. Nxc4 exd4 1/2-1/2

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.06"]
[Round "8"]
[White "Petkov, Peter"]
[Black "Allgaier, Erik"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1857"]
[BlackElo "1991"]
[PlyCount "52"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 0-0 8. Qd2 e6 9. Nc3 d5 10. Nxc6 bxc6 11. e5 Nd7 12. f4 f6 13. exf6 Nxf6 14. Be2 dxc4 15. Qxd8 Rxd8 16. Rd1 Rxd1+ 17. Nxd1 Nd5 18. Bc1 c3 19. bxc3 Nxc3 20. Bc4 Nd5 21. g3 Rb8 22. 0-0 Bd4+ 23. Kg2 Rb1 24. Bxd5 exd5 25. Nf2 Ba6 26. Ng4 Bc3 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.05"]
[Round "7"]
[White "Koerner, Helmut"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1715"]
[BlackElo "1857"]
[PlyCount "104"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. Be2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d3 c6 8. c4 Bg4 9. h3 Bxf3 10. Bxf3 Re8 11. Nd2 Nbd7 12. Qc2 Qc7 13. a4 Rac8 14. Rfc1 Nf8 15. b5 Ne6 16. g3 Qd7 17. Bg2 h5 18. Nf3 Nc5 19. d4 exd4 20. bxc6 bxc6 21. Bxd4 Nce4 22. Nd2 d5 23. Nxe4 Nxe4 24. Bxg7 Kxg7 25. Rd1 Qf5 26. Bxe4 Rxe4 27. cxd5 cxd5 28. Qb2+ Kg8 29. Qb7 Rc2 30. Rf1 h4 31. Rac1 Rxc1 32. Rxc1 hxg3 33. Qb8+ Kg7 34. Qxg3 Rxa4 35. Qg2 d4 36. exd4 Rxd4 37. Qg3 Rd3 38. Qg4 Rf3 39. Qxf5 Rxf5 40. Ra1 a5 41. Kg2 Kf6 42. Kg3 Ke6 43. f4 Kd6 44. Kf3 Kc6 45. Ke4 Kb5 46. Rb1+ Kc4 47. Rb7 a4 48. Rc7+ Kb4 49. Rb7+ Rb5 50. Rxf7 a3 51. Ra7 Kb3 52. Kd3 a2 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.04"]
[Round "6"]
[White "Petkov, Peter"]
[Black "Pueschel, Werner"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1857"]
[BlackElo "2008"]
[PlyCount "97"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Be7 5. Bg2 d6 6. 0-0 Bd7 7. c3 Nf6 8. Qe2 e5 9. Rd1 Bg4 10. h3 Bxf3 11. Qxf3 0-0 12. Nd2 Nd7 13. Nc4 b5 14. Ne3 b4 15. Nd5 bxc3 16. bxc3 Bg5 17. Bxg5 Qxg5 18. Rab1 Rab8 19. h4 Qd8 20. Rxb8 Qxb8 21. Bh3 Nb6 22. Rb1 Qd8 23. Ne3 Qc7 24. h5 h6 25. Nf5 Ne7 26. c4 Nxf5 27. Qxf5 Na4 28. Qd7 Qxd7 29. Bxd7 Nc3 30. Rb2 Rd8 31. Bc6 Rc8 32. Bd5 Rc7 33. Kf1 Kf8 34. Rb8+ Ke7 35. a3 Na4 36. f4 Nb6 37. fxe5 dxe5 38. Rg8 Kf6 39. Re8 Rc8 40. Rxc8 Nxc8 41. Kf2 Nd6 42. g4 Kg5 43. Kg3 g6 44. hxg6 fxg6 45. Be6 Ne8 46. Bd7 Nf6 47. Be6 h5 48. gxh5 Nxh5+ 49. Kf2 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.03"]
[Round "5"]
[White "Petkov, Peter"]
[Black "Jaeger, Andre"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1857"]
[BlackElo "1936"]
[PlyCount "25"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Qc7 5. 0-0 Nd4 6. Be2 Ng4 7. g3 Nxe2+ 8. Qxe2 d6 9. d4 cxd4 10. Nxd4 e5 11. Nf5 Bxf5 12. exf5 h5 13. Qb5+ 1/2-1/2

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.02"]
[Round "4"]
[White "Postler, Reinhard"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2138"]
[BlackElo "1857"]
[PlyCount "66"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nc3 d5 4. h3 Bg7 5. Nf3 dxe4 6. Nxe4 Nd7 7. Bc4 Nb6 8. Bb3 Nf6 9. Qe2 Nxe4 10. Qxe4 Bf5 11. Qh4 h6 12. 0-0 Nd5 13. Re1 Qd6 14. Ne5 g5 15. Qh5 Bxe5 16. Rxe5 Bg6 17. Qe2 e6 18. Bd2 0-0-0 19. c4 Nf4 20. Bxf4 gxf4 21. Rd1 Bf5 22. Qf3 Rhg8 23. Kh1 Qc7 24. Ree1 Rg7 25. d5 c5 26. Rd2 e5 27. Qh5 Rg5 28. Qxh6 Rdg8 29. Bd1 Rxg2 30. Bf3 R2g6 31. Qh4 Qd6 32. Qh5 Rg5 33. Qh4 Qf6 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.01"]
[Round "3"]
[White "Rahls, Peter"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2169"]
[BlackElo "1857"]
[PlyCount "79"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. c4 g6 3. d4 d5 4. cxd5 cxd5 5. exd5 Nf6 6. Bb5+ Bd7 7. Bc4 Bg7 8. Nf3 0-0 9. Ne5 Bf5 10. Nc3 Nbd7 11. 0-0 Nb6 12. Qb3 Rc8 13. Be2 Nfxd5 14. Bf3 Be6 15. Qd1 Nxc3 16. bxc3 Bd5 17. Bb2 Bxf3 18. Qxf3 Qd5 19. Qxd5 Nxd5 20. Rfc1 Nf4 21. Rc2 Rfd8 22. Nf3 e6 23. Rd1 Nd5 24. Rcc1 Bh6 25. Rb1 Rxc3 26. Bxc3 Nxc3 27. Kf1 b6 28. Re1 Nxb1 29. Rxb1 Rc8 30. Rb2 Kf8 31. Ke2 Ke7 32. Kd3 Bf4 33. a4 Rc1 34. g3 Bc7 35. Nd2 Ra1 36. Rc2 Kd7 37. Rc4 Ra3+ 38. Ke2 Ra2 39. Kd3 Ra3+ 40. Ke2 1/2-1/2

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.31"]
[Round "2"]
[White "Petkov, Peter"]
[Black "Trostel, Uwe"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1857"]
[BlackElo "1688"]
[PlyCount "51"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Qxd4 Qxd4 7. Nxd4 Bc5 8. c3 Nf6 9. Bd3 0-0 10. 0-0 Nbd7 11. Bf4 Re8 12. Nd2 Ne5 13. Bxe5 Rxe5 14. Rae1 Bg4 15. h3 Bh5 16. Kh2 Bd6 17. Nc4 Bc7 18. Nxe5 Bxe5+ 19. Kh1 Rd8 20. Nf3 Bc7 21. Rd1 Bg6 22. Bc2 Nh5 23. Rxd8+ Bxd8 24. Rd1 Ng3+ 25. Kh2 Bc7 26. Rd7 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.30"]
[Round "1"]
[White "Hirr, Rudi"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1523"]
[BlackElo "1857"]
[PlyCount "32"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 d5 4. Nc3 Bg7 5. g3 0-0 6. Bg5 Ne4 7. Nxe4 dxe4 8. Nd2 Qxd4 9. Bxe7 Re8 10. Ba3 e3 11. fxe3 Qxe3 12. Nf3 Qxf3 13. Rg1 Nc6 14. Bg2 Qe3 15. Rf1 Bg4 16. Bf3 Bxf3 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.14"]
[Round "2"]
[White "Kitzler, Gerhard"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1588"]
[BlackElo "2036"]
[PlyCount "52"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nf3 Nf6 6. Bd3 Qc7 7. a3 a6 8. b4 b5 9. Bb2 Bd6 10. h3 Bb7 11. Nbd2 Ne5 12. Nxe5 Bxe5 13. Rb1 Rc8 14. Bxe5 Qxe5 15. Qe2 d5 16. exd5 Qxe2+ 17. Kxe2 Nxd5 18. Ne4 Nc3+ 19. Nxc3 Rxc3 20. Ra1 g6 21. f3 Ke7 22. Kd2 Rhc8 23. Rhe1 f5 24. a4 Kf6 25. axb5 axb5 26. Ra5 R3c7 1/2-1/2

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.14"]
[Round "3"]
[White "Petkov, Peter"]
[Black "Kasper, Peter"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2036"]
[BlackElo "1808"]
[PlyCount "94"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. e3 Be7 5. d4 0-0 6. Bd3 b6 7. 0-0 Bb7 8. c4 dxc4 9. bxc4 c5 10. Qe2 Qc7 11. Nc3 Rd8 12. Rfd1 Nc6 13. Rac1 Nb4 14. Bb1 Qc6 15. a3 Na6 16. Bc2 cxd4 17. Ba4 Qc8 18. exd4 Nc7 19. Ne5 Nce8 20. Bc2 Ba6 21. Nb5 Bxb5 22. cxb5 Qb7 23. Re1 a6 24. a4 axb5 25. axb5 Qd5 26. Bd3 Qb7 27. Nc6 Rd7 28. Ra1 Nd5 29. Rxa8 Qxa8 30. Ne5 Ra7 31. Bc1 Ra1 32. g4 Rxc1 33. Rxc1 Nf4 34. Qe4 Qxe4 35. Bxe4 Ne2+ 36. Kg2 Nxc1 37. Nd7 Bd8 38. d5 Nf6 39. dxe6 fxe6 40. Nxf6+ Bxf6 41. f4 h6 42. Kf3 Bd4 43. Bc6 Nb3 44. Ke4 Kf7 45. f5 exf5+ 46. gxf5 Bc5 47. Kd5 Nd4 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.13"]
[Round "1"]
[White "Petkov, Peter"]
[Black "Laurin, Dirk"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2036"]
[BlackElo "1671"]
[PlyCount "64"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 e5 3. Nc3 Nf6 4. d3 c6 5. g3 Be7 6. Bg2 0-0 7. 0-0 Bd7 8. Bd2 Na6 9. a3 Nc7 10. b4 Rb8 11. Be3 b6 12. h3 Ne6 13. Kh2 Ne8 14. d4 exd4 15. Nxd4 Nxd4 16. Bxd4 Bf6 17. Ne4 Be7 18. Bb2 f5 19. Nc3 Qc8 20. e3 Nf6 21. Rc1 Be6 22. Nd5 Bd8 23. Nf4 d5 24. cxd5 Bf7 25. Be5 Ne4 26. Rxc6 Qb7 27. Bxb8 Qxb8 28. Ne6 Bxe6 29. Rxe6 Bh4 30. Bxe4 fxe4 31. Rxe4 Rxf2+ 32. Kh1 Rh2+ 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.06"]
[Round "9"]
[White "Schoenfeld, Gerd"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2007"]
[BlackElo "1895"]
[PlyCount "7"]
[EventDate "2011.01.29"]
[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 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.05"]
[Round "8"]
[White "Petkov, Peter"]
[Black "Hoppe, Rainer"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1895"]
[BlackElo "1806"]
[PlyCount "65"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Bc4 Be7 9. 0-0 0-0 10. Re1 Nb6 11. Bb3 Bf6 12. Be3 Ne7 13. Ne4 Ned5 14. Nxf6+ Qxf6 15. Bg5 Qg6 16. Qd2 f6 17. Bh4 Bd7 18. Rac1 Qf7 19. Bg3 Bc6 20. Qd3 Rad8 21. a3 Rfe8 22. Bc2 g6 23. b4 a6 24. Bb3 Qd7 25. Rcd1 Kf7 26. h4 Kg7 27. h5 Nc7 28. hxg6 hxg6 29. Nh4 f5 30. Be5+ Kf7 31. Qg3 Ncd5 32. Qxg6+ Kf8 33. Qh6+ 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.04"]
[Round "7"]
[White "Schulz, Wolfgang"]
[Black "Petkov, Peter"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2061"]
[BlackElo "1895"]
[PlyCount "155"]
[EventDate "2011.01.29"]
[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 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 dxc6 8. 0-0 Nf6 9. Be3 Be7 10. a4 c5 11. Qe2 0-0 12. a5 Bd7 13. Bc4 Bc6 14. f3 Nd7 15. f4 b5 16. axb6 Qxb6 17. b3 a5 18. e5 Qb7 19. Bb5 Nb6 20. Bxc6 Qxc6 21. Qb5 Qxb5 22. Nxb5 Rfd8 23. Nc3 f5 24. Na4 Nxa4 25. Rxa4 Rd5 26. Rfa1 Bd8 27. Kf1 h6 28. Ke2 Rc8 29. Rc4 g5 30. g3 g4 31. Bd2 Rd4 32. Raa4 Rxc4 33. Rxc4 Bb6 34. Be3 Kf7 35. c3 Rc7 36. Kd3 Rd7+ 37. Kc2 Rd5 38. b4 axb4 39. cxb4 Rd8 40. bxc5 Rc8 41. Kd3 Ba7 42. Ra4 Bxc5 43. Bxc5 Rxc5 44. Ra7+ Ke8 45. Rh7 Rd5+ 46. Kc4 Rd2 47. Rxh6 Ke7 48. Rh7+ Ke8 49. Kc3 Rd1 50. Ra7 Rc1+ 51. Kd2 Rb1 52. Rc7 Rh1 53. Rh7 Rf1 54. Ke3 Rd1 55. h4 gxh3 56. Rxh3 Rg1 57. Kf3 Rb1 58. Rh6 Ke7 59. Rh7+ Ke8 60. Ra7 Rb3+ 61. Kg2 Kd8 62. Kh3 Rb8 63. Kh4 Rb3 64. Kg5 Rxg3+ 65. Kf6 Rg4 66. Kxe6 Rxf4 67. Kf7 Rh4 68. Ra8+ Kc7 69. e6 Kd6 70. Rd8+ Ke5 71. e7 Rh7+ 72. Kf8 Kf4 73. e8Q Rh8+ 74. Kf7 Rxe8 75. Rxe8 Kf3 76. Kf6 f4 77. Kf5 Kg3 78. Ke4 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.03"]
[Round "6"]
[White "Petkov, Peter"]
[Black "Herrmann, Eberhard"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1895"]
[BlackElo "1746"]
[PlyCount "75"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. d4 c5 6. Bd3 Nbd7 7. 0-0 b6 8. Qe2 a6 9. c4 0-0 10. Nc3 Bb7 11. Rac1 Re8 12. Rfd1 Ne4 13. Ne5 cxd4 14. exd4 Nef6 15. f4 g6 16. Re1 Nh5 17. Qe3 Nxe5 18. fxe5 Bg5 19. Qf2 Bxc1 20. Bxc1 f5 21. cxd5 Bxd5 22. Nxd5 Qxd5 23. Bc4 Qd7 24. d5 b5 25. dxe6 Qe7 26. Bd5 Rad8 27. Bc6 Rf8 28. Bd7 Ng7 29. Bh6 Rb8 30. Qd2 Rfd8 31. Bg5 Qc5+ 32. Kh1 Rf8 33. e7 Rf7 34. Qd6 Qxd6 35. exd6 h6 36. Bxh6 Ne8 37. Bxe8 Rxe8 38. d7 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.02"]
[Round "5"]
[White "Lukas, Wilmar"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1813"]
[BlackElo "1895"]
[PlyCount "35"]
[EventDate "2011.01.29"]
[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 d6 3. d4 exd4 4. Nxd4 a6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nc6 8. Be2 Nge7 9. a3 b5 10. f4 Bb7 11. Bf3 Rc8 12. Qf2 0-0 13. 0-0 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Ra8 16. Qf6 Nc8 17. Qxd8 Rxd8 18. Rad1 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.01"]
[Round "4"]
[White "Petkov, Peter"]
[Black "Tuertmann, Dieter"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1895"]
[BlackElo "1805"]
[PlyCount "62"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 g6 3. Nc3 Bg7 4. g3 e5 5. d3 Nc6 6. Bg2 Be6 7. 0-0 Nge7 8. Rb1 0-0 9. b4 Rb8 10. b5 Nd4 11. Ng5 h6 12. Nxe6 Nxe6 13. Nd5 Qd7 14. Be3 Nxd5 15. Bxd5 Nd4 16. Qd2 c6 17. bxc6 bxc6 18. Bg2 Kh7 19. Bxd4 exd4 20. Rb4 Rb6 21. Rfb1 Rfb8 22. a4 Qc7 23. R4b2 Bf6 24. h4 Kg7 25. Be4 Bd8 26. Rxb6 Rxb6 27. Rxb6 axb6 28. Qf4 f5 29. Bg2 c5 30. Bd5 Qe7 31. Qf3 Qd7 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.31"]
[Round "3"]
[White "Casny, Guenter"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1722"]
[BlackElo "1895"]
[PlyCount "130"]
[EventDate "2011.01.29"]
[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 Nf6 2. Nf3 g6 3. Bf4 d6 4. h3 Bg7 5. e3 0-0 6. Bd3 c5 7. c3 cxd4 8. exd4 Qb6 9. Qc1 Re8 10. 0-0 Nbd7 11. Na3 Nf8 12. Re1 Ne6 13. Bh2 Bd7 14. Nc4 Qc7 15. Ne3 Bc6 16. Qd1 b5 17. Qb3 Bxf3 18. gxf3 a6 19. Ng4 h5 20. Nxf6+ exf6 21. Be4 Rab8 22. f4 f5 23. Bd5 Qd7 24. Qd1 b4 25. Qf3 Nd8 26. Qg2 Kf8 27. Bg3 Bf6 28. Qf1 bxc3 29. bxc3 Qa4 30. Bb3 Qc6 31. Rxe8+ Kxe8 32. Re1+ Kf8 33. Qd3 Nb7 34. Bd1 d5 35. Be2 Nd6 36. f3 Nb5 37. Rb1 Rc8 38. Be1 Nxc3 39. Bxc3 Qxc3 40. Qxa6 Bxd4+ 41. Kg2 Re8 42. Rd1 Qe3 43. Rxd4 Qxd4 44. Qd6+ Kg7 45. Bf1 Re6 46. Qb8 Qd2+ 47. Kg1 Qe3+ 48. Kg2 h4 49. Qb2+ d4 50. Qf2 Qxf4 51. a4 Re3 52. a5 Ra3 53. a6 g5 54. Bc4 Qe3 55. Bb5 Qxf2+ 56. Kxf2 Kf6 57. Ke2 Ke5 58. Bc4 Kf4 59. Bb5 Re3+ 60. Kd2 Rxf3 61. Bd3 Rf2+ 62. Ke1 Ra2 63. Bc4 Ra3 64. Kd2 g4 65. Kc2 Ra5 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.30"]
[Round "2"]
[White "Petkov, Peter"]
[Black "Pfueller, Volker"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1895"]
[BlackElo "1609"]
[PlyCount "75"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 a5 8. b3 Na6 9. Bb2 Qe8 10. a3 e5 11. dxe5 dxe5 12. e4 fxe4 13. Ng5 e3 14. Nd5 h6 15. Nxf6+ Rxf6 16. Qd5+ Kh8 17. Ne4 exf2+ 18. Nxf2 Rd6 19. Qf3 Kh7 20. Ne4 Rb6 21. c5 Rc6 22. b4 Bf5 23. g4 Bxe4 24. Qxe4 Qe7 25. Qc4 Rf8 26. Bxc6 bxc6 27. Qxa6 Rxf1+ 28. Rxf1 axb4 29. axb4 Qe6 30. Qe2 Qd5 31. Qc2 Qe6 32. Qe4 Qd5 33. Qxd5 cxd5 34. Rf7 d4 35. Rxc7 Kg8 36. Kf1 d3 37. Rxg7+ Kxg7 38. Bxe5+ 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.29"]
[Round "1"]
[White "Hartmann, Hans"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1584"]
[BlackElo "1895"]
[PlyCount "109"]
[EventDate "2011.01.29"]
[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 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. e3 d5 6. cxd5 Nxd5 7. Be2 Be7 8. 0-0 0-0 9. a3 c5 10. Nxd5 Bxd5 11. dxc5 Bxc5 12. b4 Bd6 13. Bb2 Nd7 14. e4 Bxh2+ 15. Nxh2 Bxe4 16. Bf3 Bxf3 17. Qxf3 Qe7 18. Ng4 f6 19. g3 Rfd8 20. Rac1 a5 21. b5 Nc5 22. Nxf6+ gxf6 23. Bxf6 Qf7 24. Qg4+ Kf8 25. Bxd8 Rxd8 26. Rc3 Qg6 27. Qxg6 hxg6 28. f3 Rd2 29. Rf2 Rd1+ 30. Kg2 Rb1 31. Rxc5 bxc5 32. a4 Ke7 33. Ra2 c4 34. Kf2 Kd6 35. Ke3 Kc5 36. f4 Rb3+ 37. Ke4 Rxg3 38. Rb2 Rb3 39. Rg2 Rb4 40. Rxg6 Rxa4 41. Rxe6 Kxb5 42. f5 Ra1 43. Kd4 Rd1+ 44. Kc3 Rd3+ 45. Kc2 Rf3 46. f6 a4 47. Kb2 a3+ 48. Ka2 Kb4 49. Rb6+ Kc3 50. Kxa3 Rf2 51. Re6 Kc2 52. Rc6 c3 53. Kb4 Rf4+ 54. Rc4 Rf2 55. f7 1/2-1/2

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.24"]
[Round "9"]
[White "Hellwege, Werner"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1773"]
[BlackElo "1907"]
[PlyCount "99"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. 0-0 Bc5 7. Nb3 Bb6 8. c4 d6 9. Nc3 a6 10. Bf4 Bc7 11. e4 0-0 12. Qe2 Qe7 13. h3 Rd8 14. Rfd1 Ne5 15. Bxe5 dxe5 16. Rxd8+ Bxd8 17. c5 Bd7 18. Qe3 Rc8 19. Rc1 Bc7 20. Bf1 Bc6 21. Bg2 Nd7 22. g4 Bd8 23. a3 Qg5 24. Qxg5 Bxg5 25. Rc2 Be7 26. Na5 Nxc5 27. Nxc6 Rxc6 28. Ne2 a5 29. Nc1 Bg5 30. b4 Bxc1 31. b5 Rc8 32. Rxc1 Kf8 33. f3 Ke7 34. Bf1 b6 35. Be2 Rd8 36. Rc2 Rd4 37. Kg2 Ra4 38. Rc3 Rd4 39. Rc2 Kf6 40. h4 Ke7 41. Kg3 Kd7 42. h5 f6 43. Kf2 Kc7 44. Kg3 Kb7 45. Kh3 Nd3 46. Kg3 Nf4 47. Bf1 Rd1 48. Kf2 Nd3+ 49. Ke2 Rb1 50. Rc6 1/2-1/2

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.23"]
[Round "8"]
[White "Petkov, Peter"]
[Black "Knaak, Joachim"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1907"]
[BlackElo "2023"]
[PlyCount "52"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Nf6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 c5 8. Nxd5 Qxd5 9. d3 Nc6 10. Ng5 Qd7 11. Ne4 b6 12. Nc3 Bb7 13. Be3 Rad8 14. Re1 h6 15. Rc1 Kh7 16. Qa4 f5 17. a3 e5 18. f4 exf4 19. Qxf4 Rfe8 20. Bf2 Nd4 21. Bxb7 Qxb7 22. Rcd1 Re7 23. Bxd4 Bxd4+ 24. e3 Rde8 25. Ne4 Be5 26. Nd6 Qc6 0-1

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.22"]
[Round "7"]
[White "Perk, Egbert"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1759"]
[BlackElo "1907"]
[PlyCount "89"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 cxd4 5. exd4 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 d5 8. Nc3 0-0 9. Be2 dxc4 10. Bxc4 Nbd7 11. 0-0 Nb6 12. Bb3 Bd7 13. Ne5 Rc8 14. Rad1 Nbd5 15. Rfe1 Bc6 16. Nxc6 Rxc6 17. Re5 Nb6 18. Qe2 a6 19. h3 Rd6 20. Qe3 Nbd5 21. Qg3 Ne7 22. Ne4 Nxe4 23. Rxe4 Qd7 24. Qd3 Rd8 25. g4 Nd5 26. a3 g6 27. Bxd5 Rxd5 28. Qe3 Kg7 29. h4 h6 30. Kg2 Qe7 31. Kg3 Qc7+ 32. Kg2 Rc8 33. Rd2 Qe7 34. Qg3 g5 35. h5 Qc7 36. Qxc7 Rxc7 37. Kf3 Rb5 38. Re3 Rc1 39. Ke4 a5 40. a4 Rb4 41. b3 Rb1 42. Rdd3 Kf6 43. Rf3+ Kg7 44. Rfe3 Rc1 45. Rg3 0-1

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.21"]
[Round "6"]
[White "Petkov, Peter"]
[Black "Plischke, Berthold"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "1907"]
[BlackElo "1755"]
[PlyCount "74"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 e6 2. b3 f5 3. Bb2 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d6 7. c4 Qe8 8. d4 Nbd7 9. Nc3 Bd8 10. Qc2 Qg6 11. d5 e5 12. Nh4 Qh5 13. Qxf5 g5 14. Bf3 Qh6 15. Bc1 e4 16. Bxg5 Qg7 17. Bxe4 Nc5 18. Bxf6 Bxf6 19. Qxh7+ Qxh7 20. Bxh7+ Kxh7 21. Rfc1 Bxh4 22. gxh4 Bh3 23. Re1 Rg8+ 24. Kh1 Bg2+ 25. Kg1 Bxd5+ 26. Kf1 Bg2+ 27. Kg1 Bc6+ 28. Kf1 Rg2 29. b4 Rag8 30. f3 Na6 31. b5 Bd7 32. Nd5 R2g6 33. Ne7 Rg1+ 34. Kf2 R8g2+ 35. Ke3 Rxe1 36. Rxe1 Rxh2 37. Nd5 Kh6 1/2-1/2

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.20"]
[Round "5"]
[White "Habedank, Detlef"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1788"]
[BlackElo "1907"]
[PlyCount "90"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 c6 2. d3 e5 3. Nf3 d6 4. Be2 g6 5. c3 Bg7 6. Nbd2 Nf6 7. Nf1 Nbd7 8. Ng3 Qc7 9. Qc2 0-0 10. h3 d5 11. 0-0 dxe4 12. dxe4 Nc5 13. b4 Ne6 14. Bc4 Rd8 15. Bxe6 Bxe6 16. Be3 Nd7 17. Ng5 Bc4 18. Rfd1 f6 19. Nf3 Nb6 20. Bc5 Rxd1+ 21. Rxd1 Rd8 22. a4 Nc8 23. Nf1 b6 24. Be3 Rd7 25. Rd2 Qd8 26. Qd1 Rxd2 27. Qxd2 Qxd2 28. N1xd2 Be6 29. Ne1 f5 30. f3 Kf7 31. h4 Bf8 32. Bf2 Nd6 33. g3 Nc4 34. Nxc4 Bxc4 35. a5 bxa5 36. bxa5 fxe4 37. Bxa7 exf3 38. Nxf3 g5 39. Nd2 Ba6 40. Kf2 Ke6 41. Be3 Bc8 42. Ne4 Kd5 43. Nc5 h6 44. Nd3 c5 45. c4+ Kd6 1/2-1/2

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.19"]
[Round "4"]
[White "Petkov, Peter"]
[Black "Thielemann, Joachim"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1907"]
[BlackElo "1744"]
[PlyCount "93"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. e3 Be7 5. d4 Nbd7 6. Bd3 0-0 7. 0-0 a6 8. c4 c5 9. Nc3 Re8 10. Rc1 dxc4 11. bxc4 Nb6 12. Qe2 Bd7 13. Rfd1 Rc8 14. Ne5 Qc7 15. Nxd7 Nbxd7 16. d5 Bd6 17. g3 e5 18. Ne4 Nxe4 19. Bxe4 g6 20. Bg2 f5 21. f3 Qd8 22. e4 Qg5 23. Rc2 Rf8 24. Bc1 Qe7 25. Rb2 Rc7 26. Bh3 fxe4 27. fxe4 Nf6 28. Bh6 Rb8 29. Be6+ Kh8 30. Bg5 Qg7 31. Rf1 Rf8 32. Qe3 Ng8 33. Rxf8 Qxf8 34. Rf2 Qe8 35. Qf3 Rg7 36. h4 h6 37. Bf6 Nxf6 38. Qxf6 Kh7 39. h5 Qe7 40. hxg6+ Kh8 41. Qf5 Qe8 42. Bf7 Rxf7 43. gxf7 Qf8 44. Qe6 Kg7 45. Rf6 Be7 46. Rg6+ Kh7 47. Rg8 1-0

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.18"]
[Round "3"]
[White "Mehlhorn, Dieter"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1705"]
[BlackElo "1907"]
[PlyCount "117"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. c3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Qc2 Re8 9. d5 c6 10. dxc6 bxc6 11. Nc4 Qc7 12. Rd1 d5 13. exd5 cxd5 14. Ne3 Bb7 15. Bd2 Rac8 16. Rac1 Qb6 17. Qb3 Qc7 18. Qa4 Bc6 19. Qh4 Rb8 20. Rc2 Nc5 21. Ng4 Nxg4 22. Qxg4 Bd7 23. Qh4 Bf5 24. Rcc1 Rxb2 25. Bf1 Bc2 26. Re1 Be4 27. Bh6 Bxf3 28. gxf3 Rxa2 29. Be3 Ne6 30. Red1 Rd8 31. Bd3 a5 32. Bc2 Ra3 33. Bd2 f5 34. Rb1 Nc5 35. Rb5 Bf8 36. Bg5 Rd7 37. Bd2 Be7 38. Qg3 Bd6 39. Bxf5 e4 40. f4 Re7 41. Be3 Qc6 42. Bxc5 Bxc5 43. Rb8+ Kf7 44. Qh4 Kg7 45. Bg4 Ra2 46. Rd4 Rf7 47. f5 Bxd4 48. cxd4 Qc1+ 49. Kg2 e3 50. f6+ Rxf6 51. Rb7+ Rf7 52. Rxf7+ Kxf7 53. Qxh7+ Kf6 54. Qh4+ Kf7 55. Qh7+ Kf8 56. Qh8+ Kf7 57. Qh7+ Kf6 58. Qh4+ Kg7 59. Qe7+ 1/2-1/2

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.17"]
[Round "2"]
[White "Petkov, Peter"]
[Black "Rotstein, Jefim"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1907"]
[BlackElo "2210"]
[PlyCount "64"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 Nc6 5. Bg2 e5 6. 0-0 Nge7 7. d3 d6 8. Bd2 0-0 9. Qc1 a6 10. Bh6 Rb8 11. Bxg7 Kxg7 12. Ne1 b5 13. b3 b4 14. Nd5 Nxd5 15. cxd5 Nd4 16. Qb2 a5 17. Nf3 Nxf3+ 18. Bxf3 a4 19. Bg2 Bd7 20. f4 f6 21. fxe5 fxe5 22. Rxf8 Qxf8 23. Rf1 Qe7 24. Qd2 Ra8 25. e3 axb3 26. axb3 Ra3 27. Qb2 Bb5 28. Be4 Bd7 29. Ra1 Qg5 30. Kf2 Bh3 31. Bf3 Qf6 32. Ke2 e4 0-1

[Event "GER-ch Seniors 22nd"]
[Site "Berlin"]
[Date "2010.08.16"]
[Round "1"]
[White "Pfueller, Volker"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1585"]
[BlackElo "1907"]
[PlyCount "101"]
[EventDate "2010.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. Nf3 Bg4 5. e3 e4 6. Qc2 exf3 7. Bxf6 Qxf6 8. Qe4+ Be7 9. Nc3 fxg2 10. Bxg2 Bc8 11. 0-0 c6 12. d4 Bf5 13. Qf4 Bd3 14. Qxf6 Bxf6 15. Rfc1 Bxc4 16. Ne4 d5 17. Nd6+ Ke7 18. Nxc4 dxc4 19. Rxc4 Nd7 20. Rac1 Nb6 21. R4c2 a6 22. d5 Be5 23. dxc6 bxc6 24. Rc5 Bd6 25. Rxc6 Rhc8 26. a3 Rxc6 27. Rxc6 Rb8 28. h3 Be5 29. Bf1 Kd7 30. Rc2 Ra8 31. Be2 Ra7 32. Kg2 Kd6 33. Bf3 Rc7 34. Rd2+ Ke7 35. Be2 Nc4 36. Bxc4 Rxc4 37. Rd5 Bb2 38. Ra5 Rc6 39. a4 Bc3 40. Rg5 Rg6 41. Rxg6 hxg6 42. b5 axb5 43. Kf3 Kd6 44. Ke4 Kc5 45. Kd3 Be5 46. f4 Bc7 47. Kc3 f5 48. Kb3 Bb6 49. Kc3 Kd5 50. Kd3 Ba7 51. Ke2 0-1

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.17"]
[Round "9"]
[White "Petkov, Peter"]
[Black "Barnack, Gerd"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1918"]
[BlackElo "1808"]
[PlyCount "67"]
[EventDate "2010.02.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Bd2 h6 9. Rb1 Ne7 10. b4 Ne8 11. Ne1 f5 12. Nc2 Nf6 13. b5 c6 14. bxc6 bxc6 15. Nb4 d5 16. cxd5 cxd5 17. Qa4 Kh7 18. Rfc1 a5 19. Nc6 Nxc6 20. Qxc6 Ra6 21. Qb5 Rd6 22. Qc5 Be6 23. Nb5 Ra6 24. Nc7 Nd7 25. Nxe6 Rxe6 26. Qxd5 Rfe8 27. Rb7 Nf6 28. Qxd8 Rxd8 29. Bxa5 Rd7 30. Rxd7 Nxd7 31. Rc6 Re8 32. Rc7 Nf6 33. Bb4 Kh8 34. Bb7 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.16"]
[Round "8"]
[White "Schick, Albert"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1728"]
[BlackElo "1918"]
[PlyCount "69"]
[EventDate "2010.02.09"]
[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 g6 2. d4 c6 3. Be2 d5 4. e5 Bg7 5. f4 h5 6. c3 Nh6 7. Nf3 Bg4 8. Be3 e6 9. Nbd2 Nd7 10. Bf2 Nf5 11. h3 Bxf3 12. Nxf3 Bf8 13. Qb3 Qb6 14. Kd2 Rc8 15. g4 Ng7 16. Ng5 Qxb3 17. axb3 a6 18. b4 Be7 19. Nf3 Kd8 20. Bd3 Kc7 21. Rag1 Rh7 22. Ng5 Bxg5 23. fxg5 hxg4 24. hxg4 Rch8 25. Rxh7 Rxh7 26. Bg3 Kd8 27. Bf1 Ne8 28. Bg2 b5 29. Ra1 Nb8 30. b3 Nc7 31. Kd3 Kc8 32. c4 Kb7 33. Rc1 Nd7 34. Rf1 Nb6 35. c5 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.15"]
[Round "7"]
[White "Petkov, Peter"]
[Black "Mayer, Herbert"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "1918"]
[BlackElo "1841"]
[PlyCount "62"]
[EventDate "2010.02.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. e3 Bg7 5. c4 c6 6. d4 0-0 7. Bd3 Bg4 8. Nbd2 Nbd7 9. 0-0 Re8 10. h3 Bxf3 11. Nxf3 dxc4 12. bxc4 Nh5 13. Qc2 e5 14. Nxe5 Nxe5 15. dxe5 Bxe5 16. Bxe5 Rxe5 17. Rfd1 Qc7 18. Be2 Ng7 19. Bg4 h5 20. Bf3 Re7 21. Rd3 Rd8 22. Rad1 Red7 23. R1d2 Ne6 24. Qd1 Nc5 25. Rd4 Rxd4 26. Rxd4 Ne6 27. Rxd8+ Qxd8 28. Kf1 Qxd1+ 29. Bxd1 Kf8 30. Ke1 Ke7 31. g3 Kd6 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.14"]
[Round "6"]
[White "Keusch, Horst"]
[Black "Petkov, Peter"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1879"]
[BlackElo "1918"]
[PlyCount "55"]
[EventDate "2010.02.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 Nc6 2. Nf3 d5 3. e3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. Nc3 Bb4 8. Bd3 0-0 9. Bd2 Rc8 10. 0-0-0 Nb8 11. g4 c5 12. dxc5 Rxc5 13. g5 Nfd7 14. a3 Bxc3 15. Bxc3 Rxc3 16. bxc3 Qa5 17. Kd2 Rc8 18. Rb1 Qxc3+ 19. Ke2 Nc5 20. Rhd1 Nxd3 21. cxd3 Qc2+ 22. Kf1 Nd7 23. Qe2 Qxe2+ 24. Kxe2 Rc2+ 25. Rd2 Rc7 26. Rbb2 Nb6 27. Rdc2 Rd7 28. Rxb6 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.13"]
[Round "5"]
[White "Petkov, Peter"]
[Black "Kollberg, Lothar"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1918"]
[BlackElo "2062"]
[PlyCount "28"]
[EventDate "2010.02.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 c5 8. Nc3 d6 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qd7 12. e3 Nc6 13. Nd5 Nxd5 14. cxd5 Nxd4 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.12"]
[Round "4"]
[White "Krug, Peter"]
[Black "Petkov, Peter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2079"]
[BlackElo "1918"]
[PlyCount "80"]
[EventDate "2010.02.09"]
[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 g6 2. d4 c6 3. h3 Bg7 4. Nf3 d5 5. e5 h5 6. Bd3 Nh6 7. Nbd2 Bf5 8. Nf1 Bxd3 9. Qxd3 e6 10. c3 Qb6 11. Ne3 Qa6 12. Qc2 Nd7 13. b4 Nb6 14. a4 Nf5 15. Nxf5 gxf5 16. Bg5 Nd7 17. Qe2 Qxe2+ 18. Kxe2 a5 19. Rhb1 b6 20. Nd2 0-0 21. Be7 Rfc8 22. g4 fxg4 23. hxg4 axb4 24. cxb4 hxg4 25. Rg1 f5 26. exf6 Nxf6 27. f3 Kf7 28. Bd6 Bh6 29. Rgf1 g3 30. Bxg3 Rg8 31. Bf2 Rg2 32. a5 bxa5 33. Rxa5 Rb8 34. Ra7+ Kg6 35. Ra4 Nh5 36. Rg1 Nf4+ 37. Kd1 Rxg1+ 38. Bxg1 Nd3 39. Ke2 Rxb4 40. Rxb4 Nxb4 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.11"]
[Round "3"]
[White "Petkov, Peter"]
[Black "Schraepel, Manfred"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1918"]
[BlackElo "1674"]
[PlyCount "57"]
[EventDate "2010.02.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 c5 5. g3 Nc6 6. Bg2 0-0 7. 0-0 d6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Ne8 11. Qd2 Bxb2 12. Qxb2 Rb8 13. Nc3 Nf6 14. Rad1 Bd7 15. Rfe1 Qb6 16. e4 e6 17. Qa3 Bc6 18. Rxd6 Ne8 19. Rd2 a6 20. Red1 Qc7 21. Qc5 b6 22. Qd4 Qb7 23. f4 b5 24. cxb5 axb5 25. e5 Bxg2 26. Rxg2 b4 27. Ne4 Qb6 28. Qxb6 Rxb6 29. Nc5 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.10"]
[Round "2"]
[White "Kolkwitz, Klaus"]
[Black "Petkov, Peter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1726"]
[BlackElo "1918"]
[PlyCount "64"]
[EventDate "2010.02.09"]
[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 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 c5 5. c3 Nc6 6. Bd3 c4 7. Bc2 Bd6 8. Bg3 e5 9. dxe5 Nxe5 10. Bxe5 Bxe5 11. Ngf3 Bc7 12. 0-0 0-0 13. Re1 Be6 14. Qe2 Re8 15. Rad1 b5 16. Nd4 Bg4 17. f3 Bd7 18. Qf2 Qb8 19. Qh4 h6 20. e4 Re5 21. Nf5 Bxf5 22. exf5 Bb6+ 23. Kf1 Re3 24. Rxe3 Bxe3 25. Qg3 Bf4 26. Qf2 Bxh2 27. Ke2 Bg3 28. Qd4 Be5 29. Qc5 Bd6 30. Qc6 Qd8 31. Nf1 Qe7+ 32. Ne3 Re8 0-1

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.09"]
[Round "1"]
[White "Petkov, Peter"]
[Black "Windmueller, Werner"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1918"]
[BlackElo "1629"]
[PlyCount "151"]
[EventDate "2010.02.09"]
[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 e6 2. Qe2 Nc6 3. d3 Nge7 4. Nc3 Ng6 5. g3 e5 6. Bg2 Nd4 7. Qd1 c6 8. Be3 Ne6 9. Nge2 Be7 10. 0-0 0-0 11. f4 exf4 12. gxf4 Nh4 13. Bh3 f5 14. Ng3 g6 15. Kh1 d6 16. exf5 Nxf5 17. Nxf5 gxf5 18. Rg1+ Kh8 19. Qh5 Ng7 20. Bd4 Bf6 21. Bxf6 Qxf6 22. Qg5 Bd7 23. Rae1 Rae8 24. Qxf6 Rxf6 25. Rxe8+ Bxe8 26. Re1 Kg8 27. Kg2 Kf8 28. Re3 Bf7 29. a3 Nh5 30. Ne2 b5 31. Kf2 a5 32. Bg2 d5 33. Bf3 Ng7 34. b4 axb4 35. axb4 Rh6 36. Kg1 Re6 37. Re5 Rd6 38. Nd4 Bg6 39. Kf2 Rf6 40. Re1 Bf7 41. Ra1 Be8 42. Ra7 Rf7 43. Ra8 Ke7 44. Ke3 Rf6 45. Ra7+ Kf8 46. Bg2 Rh6 47. h3 Rg6 48. Kf3 Rf6 49. Bf1 Rf7 50. Ra8 Ke7 51. Be2 Rf6 52. Ra7+ Kf8 53. Rc7 Rh6 54. Kg3 Rg6+ 55. Kh2 Rf6 56. Bf3 Rd6 57. Kg3 Rg6+ 58. Kf2 Rh6 59. Bg2 Rf6 60. Nf3 Rf7 61. Rc8 h6 62. Ne5 Rf6 63. Nd7+ Ke7 64. Nxf6 Kxf6 65. Bf3 Ke7 66. Rc7+ Bd7 67. Ra7 Kd8 68. c3 Ne6 69. Ke3 Ng7 70. Ra8+ Bc8 71. Kd4 Ne6+ 72. Ke5 Nc7 73. Ra7 Kd7 74. Bh5 Kd8 75. Kd6 Ne6 76. Rh7 1-0

[Event "DDR-ch M604 corr"]
[Site "DDR"]
[Date "1978.??.??"]
[Round "?"]
[White "Grottke, Hans Joachim"]
[Black "Petkov, Peter"]
[Result "1-0"]
[ECO "E22"]
[PlyCount "67"]
[EventDate "1977.07.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. e3 0-0 7. Bd3 d5 8. Nf3 dxc4 9. Bxc4 Nc6 10. dxc5 Ne4 11. 0-0 Bxc3 12. bxc3 Qc7 13. Qc2 Nxc5 14. Ba2 Bd7 15. Bb2 Ne5 16. Nxe5 Ba4 17. Qe2 Qxe5 18. c4 Qc7 19. Rac1 Rad8 20. Qg4 f5 21. Qe2 Rd7 22. Bc3 e5 23. f4 Nd3 24. Rb1 e4 25. c5+ Kh8 26. Bd4 Qa5 27. g4 Nxc5 28. gxf5 Re7 29. Qc4 b6 30. f6 gxf6 31. Bxf6+ Rg7+ 32. Bxg7+ Kxg7 33. Rf2 Be8 34. Qd4+ 1-0

[Event "DDR-ch M604 corr"]
[Site "DDR"]
[Date "1978.??.??"]
[Round "?"]
[White "Petkov, Peter"]
[Black "Grottke, Hans Joachim"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "82"]
[EventDate "1977.07.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. Nf3 Nbc6 7. Bd2 0-0 8. a3 Bxc3 9. bxc3 f6 10. Bd3 c4 11. Be2 fxe5 12. Nxe5 Nxe5 13. dxe5 Ng6 14. f4 Qb6 15. 0-0-0 Bd7 16. Rhf1 Rac8 17. Rf3 Qa5 18. Kb2 Rc6 19. Be3 Qb5+ 20. Ka2 Ra6 21. Ra1 Rc8 22. Bc1 Qa4 23. Bd1 d4 24. Rg3 dxc3 25. h4 b5 26. h5 b4 27. hxg6 h6 28. Qh3 Rb8 29. Rxc3 bxc3 30. Qxc3 Be8 31. Bh5 Rab6 32. Be3 Rb2+ 33. Qxb2 Rxb2+ 34. Kxb2 c3+ 35. Kxc3 Qe4 36. Kd2 Qxg2+ 37. Kd3 Qh2 38. Be2 Bb5+ 39. c4 Bxc4+ 40. Kxc4 Qxe2+ 41. Kd4 Qb2+ 0-1

[Event "DDR-ch M604 corr"]
[Site "DDR"]
[Date "1977.07.??"]
[Round "?"]
[White "Petkov, Peter"]
[Black "Kadur, Wolfgang"]
[Result "1-0"]
[ECO "A53"]
[PlyCount "51"]
[EventDate "1977.07.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. c4 e5 3. Nf3 d6 4. d4 Bg4 5. Be3 Nd7 6. Be2 Ngf6 7. Nc3 Be7 8. 0-0 0-0 9. Rb1 a5 10. b3 Qc7 11. Nd2 Bxe2 12. Qxe2 b5 13. cxb5 cxb5 14. Nxb5 Qb7 15. d5 Rfc8 16. a4 Nc5 17. f3 Nfd7 18. Nc4 Qb8 19. Bd2 Nb7 20. f4 Rc5 21. Be3 Rxb5 22. axb5 Nbc5 23. Bxc5 Nxc5 24. fxe5 dxe5 25. b6 Bd8 26. Qf2 1-0

[Event "DDR-ch M604 corr"]
[Site "DDR"]
[Date "1977.07.??"]
[Round "?"]
[White "Petkov, Peter"]
[Black "Puls, Georg"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "73"]
[EventDate "1977.07.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. Nf3 Ng6 7. h4 f5 8. Qg3 Qc7 9. Bb5+ Bd7 10. 0-0 cxd4 11. Bxd7+ Qxd7 12. Ne2 Bc5 13. Nexd4 Bxd4 14. Nxd4 Nc6 15. Nxc6 bxc6 16. h5 Nf8 17. Bg5 h6 18. Be3 Qf7 19. Bc5 f4 20. Qf3 Nd7 21. Bd6 Nf8 22. c4 Rg8 23. cxd5 exd5 24. Rac1 Rc8 25. Rfd1 Kd8 26. Rd4 g5 27. Ra4 Ne6 28. Ra6 Qb7 29. Qa3 Rg7 30. Bf8 Rf7 31. Qd6+ Qd7 32. Raxc6 Rxc6 33. Rxc6 Rxf8 34. Qxe6 Qxe6 35. Rxe6 Rh8 36. Kf1 Rh7 37. Ke2 1-0

