[Event "Berlin Spandau op"]
[Site "Berlin"]
[Date "2019.12.27"]
[Round "1"]
[White "Behrmann, Joachim"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "2137"]
[BlackElo "1692"]
[PlyCount "46"]
[EventDate "2019.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 0-0 7. Rc1 Nbd7 8. Bd3 Re8 9. 0-0 h6 10. Bh4 Qa5 11. a3 dxc4 12. Bxc4 Qd8 13. Qc2 Nh5 14. Bg3 Nxg3 15. hxg3 Bd6 16. Rfd1 Qc7 17. Ne4 Be7 18. Ba2 Qa5 19. Bb1 Nf6 20. Ne5 Qd8 21. Qe2 Nh7 22. Qh5 Rf8 23. Ng4 f5 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.08"]
[Round "9"]
[White "Koeckeritz, Dieter"]
[Black "Wilke, Hans Peter"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1663"]
[BlackElo "1542"]
[PlyCount "47"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. e5 dxe5 7. fxe5 Ng4 8. Qe2 Nc6 9. e6 f6 10. 0-0 Nge5 11. Nxe5 Qd4+ 12. Kh1 Nxe5 13. Bb5+ Kd8 14. Ba4 Bxe6 15. d3 a6 16. Be3 Qb4 17. Bxc5 Qxc5 18. d4 Qc4 19. Qe4 Nc6 20. Bb3 Bf5 21. Bxc4 Bxe4 22. Nxe4 Kc7 23. c3 b6 24. Bb3 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.07"]
[Round "8"]
[White "Geist, Wolfgang"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1388"]
[BlackElo "1663"]
[PlyCount "55"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. c3 0-0 6. 0-0 c6 7. Nbd2 Nbd7 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Re1 Bg4 13. h3 Be6 14. Ng5 Bd7 15. Ne4 Qa5 16. Nc5 Qb6 17. Nxd7 Nxd7 18. Qc2 e5 19. Bd2 exd4 20. Rxe8+ Rxe8 21. Re1 Rxe1+ 22. Bxe1 dxc3 23. Bxc3 Qc5 24. Qd2 Bxc3 25. bxc3 Qe7 26. Qd4 Nb6 27. Qf4 Qd8 28. Qe4 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.06"]
[Round "7"]
[White "Campe, Ulrich"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1569"]
[BlackElo "1663"]
[PlyCount "69"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Nf6 3. e3 g6 4. c4 c6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Nbd7 8. Qc1 e6 9. c5 Re8 10. Ne5 Nxe5 11. Bxe5 Nd7 12. Bxg7 Kxg7 13. d3 Qe7 14. Nd2 a5 15. a3 Nf6 16. Nf3 e5 17. Nd2 Kg8 18. Qb2 Bd7 19. Rfc1 h5 20. bxa5 Rxa5 21. Qb4 Rea8 22. Qxb7 R5a7 23. Qb2 Ng4 24. f3 Nxe3 25. Nf1 Nf5 26. Nd2 Ne3 27. Nf1 Nf5 28. Nd2 Qg5 29. Nf1 d4 30. Qd2 Qf6 31. Rcb1 Be6 32. Rb6 Bd5 33. Qb4 Kg7 34. a4 Qg5 35. Qd2 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.05"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Sommer, Werner1111"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1663"]
[BlackElo "1378"]
[PlyCount "74"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. 0-0 Qf6 5. Nxd4 exd4 6. e5 Qc6 7. d3 Ne7 8. Nd2 Nf5 9. Nf3 Be7 10. e6 dxe6 11. Bf4 Bd6 12. Qd2 b5 13. Bb3 Bb7 14. a4 a6 15. axb5 axb5 16. Bxd6 cxd6 17. c3 0-0 18. Rac1 Qb6 19. Qf4 dxc3 20. Rxc3 Rfc8 21. Rfc1 Rxc3 22. bxc3 Qc6 23. Ne1 Ra3 24. Qb4 Ra8 25. Bd1 d5 26. Rb1 g5 27. Bf3 Nh4 28. Qe7 Nxf3+ 29. Nxf3 Re8 30. Qxg5+ Kf8 31. Qh6+ Ke7 32. Qh4+ f6 33. Qxh7+ Kd8 34. c4 dxc4 35. dxc4 Ba6 36. Rd1+ Kc8 37. cxb5 Bxb5 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.02"]
[Round "4"]
[White "Koeckeritz, Dieter"]
[Black "Gmerek, Henning"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1663"]
[BlackElo "1529"]
[PlyCount "92"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 d6 3. d4 Bg7 4. Be2 Nf6 5. Nc3 c6 6. 0-0 0-0 7. h3 Nbd7 8. Be3 Nb6 9. Qd2 Be6 10. b3 Rc8 11. Bh6 Ne8 12. Bxg7 Nxg7 13. Rad1 f6 14. Bd3 Qd7 15. Qh6 Kf7 16. Rfe1 Rh8 17. e5 Bf5 18. Ne4 Bxe4 19. Bxe4 Nf5 20. Qc1 Rce8 21. e6+ Qxe6 22. Bxc6 Qc8 23. Bxe8+ Qxe8 24. d5 Qb5 25. c4 Qc5 26. Qb2 Qb4 27. Qe2 Re8 28. Nd4 Nxd5 29. Nxf5 Nc3 30. Qe6+ Kf8 31. Nh6 Kg7 32. Qf7+ Kxh6 33. Qxe8 Nxd1 34. Rxd1 Qa3 35. Qxe7 Qxa2 36. Qf8+ Kg5 37. Rd5+ f5 38. Qe7+ Kh6 39. Qh4+ Kg7 40. Rxd6 Qa1+ 41. Kh2 Qe5+ 42. Qg3 f4 43. Rd7+ Kf8 44. Qf3 h5 45. Rxb7 g5 46. Rxa7 Qe8 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.01"]
[Round "3"]
[White "Fritz, Juergen1111"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "C57"]
[WhiteElo "1505"]
[BlackElo "1663"]
[PlyCount "99"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. d6 Qxd6 7. Bxf7+ Ke7 8. Bb3 Qc6 9. f3 Nxb3 10. axb3 h6 11. Nh3 Bf5 12. d3 Kf7 13. Nf2 Bc5 14. Nc3 Rhe8 15. Nce4 Bb6 16. Qe2 Nd5 17. c3 a6 18. 0-0 Re6 19. Kh1 Rae8 20. Ng4 Rg6 21. Ne3 Nf4 22. Qe1 Bxe3 23. Bxe3 Nxg2 24. Qf2 Nxe3 25. Qxe3 Kg8 26. Rg1 Ree6 27. Rxg6 Rxg6 28. Rg1 Rxg1+ 29. Qxg1 Kh7 30. Qe3 b6 31. b4 Qa4 32. Qe2 Bh3 33. Kg1 Qa1+ 34. Kf2 Qc1 35. Ng3 Qf4 36. Qe4+ g6 37. Qxf4 exf4 38. Ne4 Kg7 39. c4 Bd7 40. Nc3 Be6 41. b5 a5 42. Ne2 g5 43. Nd4 Bd7 44. Ne2 Kf6 45. b3 Ke5 46. d4+ Kd6 47. Nc3 c6 48. Ne4+ Kc7 49. bxc6 Kxc6 50. Nf6 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.31"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Grunewald, Peter"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1663"]
[BlackElo "1852"]
[PlyCount "64"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Nh5 7. Bg3 Nxg3 8. hxg3 e6 9. e3 a6 10. a3 Bd7 11. Bd3 g6 12. Qe2 Rc8 13. Rc1 Bg7 14. b4 b5 15. Qc2 0-0 16. Nh4 Qe8 17. 0-0 e5 18. dxe5 Nxe5 19. Qd2 Be6 20. Bb1 Nc4 21. Qd1 Nxa3 22. Nxd5 Rxc1 23. Qxc1 Bxd5 24. Qxa3 Qa8 25. f3 Rc8 26. Rc1 Rxc1+ 27. Qxc1 Qc6 28. Qd1 Bf8 29. e4 Bc4 30. e5 Qd5 31. Qc1 Qxe5 32. Be4 Qxg3 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.30"]
[Round "1"]
[White "Kleinert, Michael"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1937"]
[BlackElo "1663"]
[PlyCount "77"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 c4 6. Bc2 Be7 7. Nbd2 0-0 8. 0-0 b5 9. Ne5 Bb7 10. f4 Nbd7 11. Qf3 g6 12. Qh3 Nh5 13. g4 Ng7 14. Qh6 Nxe5 15. fxe5 f5 16. exf6 Bxf6 17. Nf3 Qd7 18. h3 Qd6 19. Kg2 Ne8 20. g5 Bg7 21. Qh4 e5 22. Bd2 e4 23. Nh2 Nc7 24. Qg3 Qe7 25. Rae1 Ne6 26. h4 Rxf1 27. Rxf1 Rf8 28. Rxf8+ Qxf8 29. Bd1 Qe7 30. Qb8+ Kf7 31. Qxa7 Nd8 32. Qb8 Nc6 33. Qf4+ Kg8 34. Ng4 Bc8 35. a4 b4 36. cxb4 Nxb4 37. Qb8 Kf7 38. Bxb4 Qd7 39. Qd6 1-0

[Event "Berlin Spandau op"]
[Site "Berlin"]
[Date "2017.12.27"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Kasparova, Tatiana"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1663"]
[BlackElo "2118"]
[PlyCount "69"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg5 Ne4 5. Nf3 Qa5+ 6. Bd2 Nxd2 7. Qxd2 Qxd2+ 8. Nbxd2 b4 9. e4 d6 10. Bd3 g6 11. Rb1 Bg7 12. 0-0 0-0 13. Rfe1 Nd7 14. Bc2 a5 15. Ba4 Nb6 16. Bb5 a4 17. e5 Bf5 18. exd6 exd6 19. Ne4 Rfd8 20. Nh4 Bc8 21. b3 h6 22. Re3 axb3 23. axb3 Bd4 24. Ree1 f5 25. Ng3 Kf7 26. Ne2 Bf6 27. Nf3 g5 28. h3 f4 29. Nh2 Bf5 30. Ng4 Bxb1 31. Nxf6 Kxf6 32. Rxb1 Nd7 33. Ba4 Nb6 34. Bb5 Ra2 35. Kf1 0-1

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.07.06"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Goelling, Stefan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1638"]
[BlackElo "1642"]
[PlyCount "53"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Bc5 4. Be2 d6 5. 0-0 Be6 6. Nbd2 g5 7. Nb3 g4 8. Ng5 Bxb3 9. axb3 h6 10. Nxf7 Kxf7 11. Bxg4 Nf6 12. Bh3 h5 13. Bg5 Qe7 14. Kh1 h4 15. f4 Be3 16. Bxf6 Kxf6 17. fxe5+ Kxe5 18. Rf5+ Ke6 19. Rf3+ Ke5 20. Rxe3 Qg5 21. Qd2 Nd4 22. Rae1 Raf8 23. c3 Nc2 24. Qxc2 Qxe3 25. d4+ Kf4 26. Rxe3 Kxe3 27. Bf5 1-0

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.06.29"]
[Round "6"]
[White "Lawrenz, Norbert"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1638"]
[PlyCount "69"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. a3 e5 2. d4 exd4 3. Qxd4 Nf6 4. Nf3 Nc6 5. Qd1 Be7 6. e3 0-0 7. Bc4 d5 8. Ba2 Be6 9. 0-0 Ng4 10. h3 Nge5 11. Nc3 Nxf3+ 12. Qxf3 Ne5 13. Qd1 c6 14. b4 Qc7 15. Ne2 Rad8 16. Bb2 Bf6 17. Nd4 Bc8 18. Rc1 Nc4 19. Bxc4 dxc4 20. c3 b6 21. Qe2 b5 22. Rcd1 a6 23. Qh5 Rd5 24. Qf3 Rd6 25. Rfe1 Rfd8 26. e4 Be5 27. Qh5 Bh2+ 28. Kf1 Rh6 29. Qf3 Be5 30. Bc1 Rf6 31. Qh5 g6 32. Qh4 Bg3 33. Qxf6 Rd6 34. Qg5 Be5 35. Qxe5 1-0

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.06.22"]
[Round "5"]
[White "Koeckeritz, Dieter"]
[Black "Lieb, Felix"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1638"]
[PlyCount "73"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bd3 Bg4 6. f3 Bd7 7. Nge2 e6 8. Bf4 Nc6 9. a3 Be7 10. Qd2 a6 11. 0-0 0-0 12. Nd1 Qb6 13. b3 Nxd4 14. Bxh7+ Nxh7 15. Nxd4 Bc5 16. Be3 e5 17. Ne2 Bxe3+ 18. Nxe3 d4 19. Nc4 Qc5 20. Kh1 Bb5 21. Nb2 Rad8 22. Nd3 Qe7 23. Ng3 f5 24. Rfe1 Bxd3 25. Qxd3 g6 26. c3 Nf6 27. cxd4 Rxd4 28. Qxd4 f4 29. Qc4+ Kg7 30. Ne4 Rh8 31. Nxf6 Qxf6 32. Qc7+ Kg8 33. Qxe5 Qh4 34. Qe8+ Kg7 35. Re7+ Kf6 36. Rf7+ Kg5 37. Qe7+ 1-0

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.06.15"]
[Round "4"]
[White "Grabs, Peter1111"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1424"]
[BlackElo "1638"]
[PlyCount "61"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nbd7 4. h3 e5 5. dxe5 dxe5 6. Nf3 c6 7. Nc3 Be7 8. Be3 Qc7 9. Qd2 h6 10. 0-0 g5 11. Nh2 Nf8 12. Ne2 Nh5 13. a3 Ng6 14. Bc4 Nhf4 15. Kh1 h5 16. Ng1 g4 17. g3 Nxh3 18. Nxh3 gxh3 19. Qc3 f5 20. f3 f4 21. gxf4 Bf6 22. Rg1 Nh4 23. Rg3 Bd7 24. fxe5 Bxe5 25. Bf4 Bxf4 26. Qxh8+ Ke7 27. Rg7+ Kd6 28. Qxa8 Bxh2 29. Rd1+ Ke5 30. Rgxd7 Qb6 31. Qb8+ 1-0

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.06.02"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Grosse, Michael"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1638"]
[BlackElo "1934"]
[PlyCount "64"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Qc7 6. c4 Nf6 7. Bd3 Be7 8. 0-0 0-0 9. Nc3 d6 10. h3 Nbd7 11. b3 b5 12. Bb2 b4 13. Nd5 Nxd5 14. cxd5 Nc5 15. Rc1 Qb6 16. Bb1 Bd7 17. Re1 a5 18. Nd2 Bg5 19. Nc4 Qa6 20. Rc2 a4 21. Nxe5 axb3 22. axb3 Bb5 23. Nf3 Bh6 24. Nd4 Nd3 25. Nf5 Bg5 26. Rd2 Nxb2 27. Qg4 Bf6 28. e5 dxe5 29. Nh6+ Kh8 30. Nxf7+ Rxf7 31. Qh5 g6 32. Bxg6 Rg7 0-1

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.05.18"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Geist, Wolfgang"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1638"]
[BlackElo "1393"]
[PlyCount "67"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Nd2 e6 5. Bd3 Ne4 6. Nxe4 dxe4 7. Bc4 Bd6 8. Bg3 0-0 9. Ne2 c6 10. c3 b5 11. Bb3 Na6 12. 0-0 Nc7 13. c4 bxc4 14. Bxc4 Nd5 15. a3 Bxg3 16. Nxg3 Bg6 17. Rc1 Rb8 18. b4 Nb6 19. Bb3 Rc8 20. Qe2 Nd5 21. Rc5 Qb6 22. Rfc1 Ne7 23. Qc2 f5 24. Ne2 Bf7 25. Nf4 e5 26. Ne6 Rfe8 27. dxe5 Nd5 28. Ng5 Qd8 29. Nxf7 Kxf7 30. Bxd5+ Kg6 31. Bxc6 Rxe5 32. Rxe5 Qd3 33. Qxd3 exd3 34. Rd5 1-0

[Event "Berlin Lieb Memorial 3rd"]
[Site "Berlin"]
[Date "2017.05.11"]
[Round "1"]
[White "Boettcher, Patrick"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2115"]
[BlackElo "1638"]
[PlyCount "87"]
[EventDate "2017.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 b6 2. c4 e6 3. Nc3 Bb7 4. a3 Nf6 5. Nf3 d5 6. cxd5 exd5 7. Qa4+ Bc6 8. Qc2 Be7 9. g3 0-0 10. Bg2 Bb7 11. 0-0 c6 12. Bf4 Nbd7 13. b4 Rc8 14. Qb3 Ne4 15. Nxe4 dxe4 16. Ne5 Nf6 17. Rfd1 Qd5 18. Qc2 h6 19. Rac1 g5 20. Be3 Bd8 21. Qb1 Re8 22. h3 Bc7 23. Nc4 Nd7 24. Qc2 f5 25. Ne5 Nf6 26. Qb2 Qe6 27. Bd2 Nd5 28. Qb3 Kg7 29. e3 Bxe5 30. dxe5 Kg6 31. Bc3 h5 32. Bb2 Ba6 33. Qa4 Be2 34. Rd2 Bf3 35. Bxf3 exf3 36. Kh2 Re7 37. Qd1 Rec7 38. b5 Rd7 39. bxc6 Rxc6 40. Rxc6 Qxc6 41. Qxf3 g4 42. Qe2 Nf4 43. exf4 gxh3 44. f3 1-0

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.09"]
[Round "9"]
[White "Koeckeritz, Dieter"]
[Black "Hirr, Rudi"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1647"]
[BlackElo "1774"]
[PlyCount "38"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Nb3 Qb6 6. Nxc5 Qxc5 7. exd5 exd5 8. Be3 Qb4+ 9. Bd2 Qxb2 10. Rb1 Qe5+ 11. Ne2 Nf6 12. Bc3 Qe6 13. Bxf6 gxf6 14. Rb3 Qd6 15. Nd4 a6 16. Bd3 Nc6 17. Nxc6 bxc6 18. 0-0 Be6 19. Rb6 a5 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.08"]
[Round "8"]
[White "Jiranek, Benno"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D92"]
[WhiteElo "1424"]
[BlackElo "1647"]
[PlyCount "56"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 dxc4 7. Bxc4 0-0 8. 0-0 Nbd7 9. Qc2 Nb6 10. Be2 Nh5 11. Be5 f6 12. Bg3 Nxg3 13. fxg3 Be6 14. b3 Qc7 15. Rad1 Rac8 16. Qb1 Bf7 17. Rc1 Qb8 18. Bd3 Rfe8 19. e4 e6 20. Rce1 Qd6 21. e5 fxe5 22. dxe5 Qc5+ 23. Kh1 Qxc3 24. Ng5 Rc7 25. Rf3 Qb4 26. Re4 Qc5 27. Qf1 Rf8 28. Ref4 Nd5 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.07"]
[Round "7"]
[White "Bremer, Helmut"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1324"]
[BlackElo "1647"]
[PlyCount "91"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d6 4. Bc4 e6 5. c3 a6 6. 0-0 b5 7. Be2 Bb7 8. d3 Qc7 9. f5 exf5 10. Ng5 Nf6 11. Rxf5 Ne5 12. Bf4 h6 13. Nh3 Bc8 14. Bxe5 Bxf5 15. Bxf6 Bxh3 16. Bh4 Be6 17. Bg4 Qd7 18. Bf3 Be7 19. Bxe7 Qxe7 20. Nd2 0-0 21. Nf1 Rad8 22. b3 Qc7 23. Kh1 d5 24. Ng3 dxe4 25. Bxe4 Qe5 26. Rc1 f5 27. Bf3 f4 28. Ne2 Bf5 29. d4 cxd4 30. Nxd4 Qe3 31. Qg1 Qxg1+ 32. Kxg1 g5 33. h3 b4 34. Nc6 Rd2 35. Nxb4 a5 36. Nc6 Rxa2 37. Ne7+ Kg7 38. Bd5 Kf6 39. Re1 Re8 40. Ng8+ Rxg8 41. Bxg8 Rb2 42. Bd5 h5 43. Re8 g4 44. h4 Rb1+ 45. Kf2 Rb2+ 46. Kg1 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.06"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Sattler, Guenther"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1647"]
[BlackElo "1753"]
[PlyCount "36"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be6 4. Bxe6 fxe6 5. d3 Be7 6. Nbd2 c5 7. Nf1 h6 8. Bd2 Nc6 9. c3 Nf6 10. Ng3 0-0 11. Qb3 Qd7 12. a3 Na5 13. Qa2 Nc6 14. Nf5 Kh7 15. Ne3 b5 16. h3 a5 17. Qb1 Kg8 18. Ng4 Nh5 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.04"]
[Round "5"]
[White "Bock, Dietmar"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1300"]
[BlackElo "1647"]
[PlyCount "67"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 c6 4. h3 e6 5. b3 Nbd7 6. g3 Bd6 7. Bg2 0-0 8. 0-0 Re8 9. Bb2 Nf8 10. e3 Bd7 11. Re1 Ng6 12. Qd3 e5 13. e4 Qc8 14. Kh2 Qc7 15. Ng1 exd4 16. Qxd4 c5 17. Qd3 d4 18. Nd5 Nxd5 19. exd5 Ne5 20. Qd2 Bf5 21. f4 Ng6 22. Nf3 Nxf4 23. c4 Nxh3 24. Rxe8+ Rxe8 25. Bxh3 Bxg3+ 26. Kg2 Bf4 27. Qd1 Bxh3+ 28. Kxh3 Qd7+ 29. Kg2 Qg4+ 30. Kf1 Qh3+ 31. Kf2 Be3+ 32. Ke2 Qg2+ 33. Kd3 Qxb2 34. Qe1 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.03"]
[Round "4"]
[White "Koeckeritz, Dieter"]
[Black "Bartonek, Rolf"]
[Result "0-1"]
[ECO "D21"]
[WhiteElo "1647"]
[BlackElo "1789"]
[PlyCount "78"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. Nf3 dxc4 4. d5 e6 5. Nc3 a6 6. e4 b5 7. a3 Bb7 8. Bf4 Bd6 9. e5 Bc7 10. d6 Bb6 11. Be2 Nd7 12. 0-0 f6 13. Qc2 fxe5 14. Nxe5 Nxe5 15. Bxe5 Qg5 16. d7+ Kd8 17. Bg3 Nf6 18. Qd1 Bc7 19. Bf3 Nd5 20. Ne4 Qe7 21. Bxc7+ Kxc7 22. Qe1 Rad8 23. Nc3 Rxd7 24. Qe5+ Qd6 25. Qe1 Nxc3 26. Bxb7 Kxb7 27. Qxc3 Rhd8 28. h3 Qd3 29. Qe5 Qd4 30. Qxe6 Qxb2 31. a4 Qf6 32. Qg4 Qc6 33. axb5 axb5 34. Rfb1 Ra8 35. Rxa8 Kxa8 36. Ra1+ Kb7 37. Rb1 c3 38. Qc4 b4 39. Qxc3 Rd1+ 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.02"]
[Round "3"]
[White "Koerlin, Hans Juergen"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1855"]
[BlackElo "1647"]
[PlyCount "41"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 d5 4. Bb5+ Nc6 5. Ne5 Nge7 6. exd5 a6 7. Qf3 Nf5 8. Bxc6+ bxc6 9. dxe6 Bxe6 10. Qxc6+ Ke7 11. Qxc5+ Qd6 12. Qxd6+ Kxd6 13. Nf3 Be7 14. d4 f6 15. Bf4+ Kd7 16. d5 Bf7 17. 0-0-0 Bc5 18. Ne4 Bb4 19. a3 Ba5 20. Nc5+ Kd8 21. Nb7+ 1-0

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.01"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Lukas, Wilmar"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1647"]
[BlackElo "1921"]
[PlyCount "33"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 d5 9. 0-0 dxe4 10. Nd2 Qg6 11. Bh5 Nf3+ 12. Bxf3 exf3 13. Qxf3 0-0 14. Nf5 Nxf5 15. Bxc5 Nd6 16. Rfe1 Bg4 17. Qf4 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.01.31"]
[Round "1"]
[White "Kothe, Manfred"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1913"]
[BlackElo "1647"]
[PlyCount "50"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Be7 7. Bd3 Nf6 8. 0-0 d6 9. Kh1 Nc6 10. Nxc6 bxc6 11. f4 e5 12. f5 Bb7 13. Qf3 h5 14. Be3 Ng4 15. Rac1 Qd8 16. Rc2 Bh4 17. g3 Bf6 18. Kg2 Nxe3+ 19. Qxe3 h4 20. g4 Bg5 21. Qf3 h3+ 22. Kh1 Qc7 23. Rd1 0-0-0 24. Qf2 Kb8 25. Be2 Qa5 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2016.03.31"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Zhou, Lepu Coco"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "1667"]
[PlyCount "82"]
[EventDate "2016.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 0-0 10. h3 d6 11. Qc2 Nbd7 12. Bd2 Qc7 13. Kg1 Rfb8 14. Rb1 Nb6 15. b3 Nfd7 16. Kh2 Ne5 17. Ne1 Qa7 18. f4 Ned7 19. Nb5 Qxa2 20. Qxa2 Rxa2 21. Bc3 Bxc3 22. Nxc3 Ra5 23. Nf3 Nf6 24. Rhe1 Rba8 25. Rb2 Ra1 26. Reb1 Rxb1 27. Rxb1 Ra3 28. Ng1 c4 29. bxc4 Rxc3 30. Rxb6 Rxc4 31. e5 dxe5 32. d6 exd6 33. Rxd6 Rxf4 34. Ne2 Rf2 35. Nc3 e4 36. Nd1 Rf1 37. Ne3 Re1 38. Nc4 Nh5 39. Ne5 e3 40. Rd7 e2 41. Rxf7 Rh1+ 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.04"]
[Round "9"]
[White "Langner, Hans Rainer"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1559"]
[BlackElo "1676"]
[PlyCount "104"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. e3 Nxe5 5. Be2 Nf6 6. Nc3 c6 7. Nxe5 Qxe5 8. f4 Qc7 9. 0-0 d5 10. Bf3 Bf5 11. g4 Be4 12. Bxe4 dxe4 13. g5 Nd7 14. Nxe4 0-0-0 15. Qf3 f5 16. gxf6 gxf6 17. Kh1 Be7 18. a3 h6 19. b4 f5 20. Ng3 Rdf8 21. Bb2 Bf6 22. Bxf6 Rxf6 23. Rad1 a6 24. Nh5 Rf7 25. Rg1 Kb8 26. Rg7 Nf6 27. Rdg1 Ng4 28. Rxf7 Qxf7 29. Ng3 h5 30. e4 fxe4 31. Nxe4 Qf5 32. Rf1 Re8 33. Nd6 Qxc2 34. Qg3 Re2 35. f5 Rxh2+ 36. Kg1 Ka8 37. f6 Qb2 38. Ne4 Qd4+ 39. Nf2 Rxf2 40. Rxf2 Nxf6 41. Qf4 Ne4 42. Qh4 Qxf2+ 43. Qxf2 Nxf2 44. Kxf2 a5 45. Kg3 Ka7 46. Kh4 Ka6 47. Kxh5 axb4 48. axb4 Kb5 49. Kg4 Kxb4 50. Kf3 Kc3 51. Ke4 b5 52. Ke5 c5 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.03"]
[Round "8"]
[White "Koeckeritz, Dieter"]
[Black "Bluhm, Robert"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1676"]
[BlackElo "1785"]
[PlyCount "64"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 0-0 6. Nbd2 d6 7. h3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Qe2 Nc6 12. Nf1 h6 13. Ng3 Nh7 14. Be3 Bg5 15. Nxg5 hxg5 16. Rd1 g6 17. b3 f5 18. exf5 gxf5 19. Bc1 Qe8 20. 0-0 d5 21. Qd2 f4 22. Nh1 d4 23. f3 Nf6 24. Nf2 Nd5 25. Ne4 Qe7 26. Qe1 Ne3 27. Bxe3 dxe3 28. Qe2 b4 29. d4 exd4 30. Qd3 Ne5 31. Nf6+ Rxf6 32. Qe4 Bb7 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.02"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Paris, Gerhard"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1676"]
[BlackElo "1472"]
[PlyCount "53"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. 0-0 c5 7. Ne2 Nc6 8. c3 Bg4 9. Ng3 a6 10. Bb3 b5 11. h3 Bxf3 12. Qxf3 a5 13. Nf5 a4 14. Bc2 Re8 15. Bh6 Bf8 16. Bg5 Re6 17. Ne3 Qd7 18. Nd5 Qd8 19. Nxf6+ gxf6 20. Be3 Ne7 21. d4 c4 22. d5 Nxd5 23. exd5 Re8 24. Qf5 Bg7 25. Qxh7+ Kf8 26. Bf5 Qe7 27. Bh6 1-0

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.01"]
[Round "6"]
[White "Gnass, Erhard"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1539"]
[BlackElo "1676"]
[PlyCount "86"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Qa4+ c6 4. Qxc4 Nf6 5. Ng5 e6 6. g3 Be7 7. Nf3 Nbd7 8. Bg2 0-0 9. 0-0 Qc7 10. Qc2 Re8 11. Nc3 a6 12. d3 e5 13. e4 Nf8 14. h3 Ng6 15. Be3 b5 16. Kh2 h6 17. Ne2 Bb7 18. Bc5 Bxc5 19. Qxc5 Nd7 20. Qc2 c5 21. Nfg1 Rac8 22. Qd2 Ndf8 23. Qe3 Qc6 24. f3 Qc7 25. Rac1 Ne6 26. b3 Qe7 27. Nc3 Qd8 28. Nd5 Bxd5 29. exd5 Nd4 30. Qd2 Qd6 31. Ne2 Ne7 32. Nxd4 exd4 33. b4 cxb4 34. Rxc8 Rxc8 35. Rc1 Rc3 36. Re1 Nxd5 37. Re8+ Kh7 38. Qe2 Ne3 39. f4 Rc2 40. Qf3 Rxg2+ 41. Kh1 Rxa2 42. Qe4+ g6 43. Qa8 Qd5+ 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.29"]
[Round "4"]
[White "Engelhardt, Erhard"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1788"]
[BlackElo "1676"]
[PlyCount "47"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Nf6 3. e3 c6 4. c4 e6 5. c5 Be7 6. Bd3 Nbd7 7. f4 Qc7 8. Nf3 Ng4 9. h3 Bf6 10. Bxf6 Ngxf6 11. 0-0 e5 12. fxe5 Nxe5 13. Nxe5 Qxe5 14. Nc3 Bxh3 15. gxh3 Qg3+ 16. Kh1 Qxh3+ 17. Kg1 Ng4 18. Qe2 0-0 19. Qg2 Qh4 20. Rf4 h5 21. Bf5 g5 22. Rd4 Rae8 23. Bxg4 hxg4 24. Rxg4 1-0

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.28"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Mueller, Johannes1111"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1676"]
[BlackElo "1826"]
[PlyCount "62"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. cxd5 exd5 5. Bf4 c6 6. Nf3 Bd6 7. Ne5 Nf6 8. e3 0-0 9. Be2 Qe7 10. Rc1 Nbd7 11. Nxd7 Bxd7 12. Bg5 Qf7 13. Bxf6 Qxf6 14. Bf3 Rad8 15. 0-0 Qh4 16. g3 Qh6 17. Ne2 g5 18. Bg2 Qg6 19. Qc2 h5 20. Qd3 Kg7 21. f4 g4 22. Rce1 Rh8 23. h4 gxh3 24. Bxh3 h4 25. Rf2 hxg3 26. Nxg3 Rxh3 27. Ree2 Rxg3+ 28. Rg2 Kf6 29. Rxg3 Qxg3+ 30. Rg2 Qe1+ 31. Qf1 Qxe3+ 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.27"]
[Round "2"]
[White "Mackowiak, Manfred"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1409"]
[BlackElo "1676"]
[PlyCount "84"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 e5 4. Nf3 Nc6 5. a3 Bg7 6. h3 d6 7. Be2 0-0 8. d3 h6 9. 0-0 Be6 10. Bd2 Qd7 11. Kh2 Rad8 12. Ng1 a6 13. Rb1 Nd4 14. Be3 Nxe2 15. Ncxe2 c6 16. Nc3 d5 17. Bb6 Rc8 18. c5 Nh5 19. Nce2 f5 20. Ng3 Nf6 21. exf5 Bxf5 22. Nxf5 Qxf5 23. b4 e4 24. dxe4 Nxe4 25. Rb3 Be5+ 26. g3 Nxf2 27. Qe2 Ng4+ 28. Kg2 Qxf1+ 29. Qxf1 Rxf1 30. Kxf1 Rf8+ 31. Rf3 Nh2+ 32. Kg2 Nxf3 33. Nxf3 Bb2 34. Bc7 Bxa3 35. Ba5 Re8 36. Kf2 Bb2 37. g4 d4 38. Bc7 d3 39. Bf4 Bc3 40. Kf1 Bxb4 41. Bd2 Bxc5 42. Ne1 Rf8+ 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.26"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Grunewald, Peter"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1676"]
[BlackElo "1925"]
[PlyCount "60"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 a6 5. e3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Qc2 Nbd7 9. Bd2 dxc4 10. Rad1 Nb6 11. e4 Qc7 12. h3 Ne8 13. Qc1 Qd8 14. Bf4 Nc7 15. Rfe1 Be6 16. Bh6 Nb5 17. Bxg7 Kxg7 18. Qf4 f6 19. Qc1 Qc7 20. d5 Nxc3 21. Qxc3 cxd5 22. Nd4 Bg8 23. Bf3 e5 24. Nf5+ gxf5 25. exd5 e4 26. Bxe4 fxe4 27. Rxe4 Nxd5 28. Rg4+ Kh8 29. Rxg8+ Kxg8 30. Rxd5 Qc6 0-1

[Event "Berlin Spandau op 1st"]
[Site "Berlin"]
[Date "2015.12.27"]
[Round "1"]
[White "Jahnel, Guenther"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2309"]
[BlackElo "1676"]
[PlyCount "61"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 e6 4. Nc3 d6 5. Bg5 Be7 6. Qc2 Nbd7 7. e4 Qc7 8. Be2 e5 9. h3 h6 10. Be3 exd4 11. Nxd4 Ne5 12. f4 Ng6 13. 0-0 0-0 14. Nf5 Bxf5 15. exf5 Nh8 16. Bf3 Rad8 17. Rad1 Qa5 18. Bd4 d5 19. cxd5 Nxd5 20. Nxd5 cxd5 21. Rfe1 Rc8 22. Qf2 Bc5 23. Bxc5 Rxc5 24. Re5 Rd8 25. a3 Qc7 26. Bxd5 Rc2 27. Qd4 Kh7 28. f6 Ng6 29. fxg7 Nxe5 30. Be4+ Ng6 31. Qxd8 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.07"]
[Round "9"]
[White "Koeckeritz, Dieter"]
[Black "Krueger, Detlef"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1413"]
[BlackElo "1654"]
[PlyCount "105"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. Bd3 Nc6 5. c3 g6 6. Nd2 Bg7 7. Ne2 0-0 8. Ne4 Re8 9. 0-0 Bf5 10. N2g3 e6 11. Bg5 f6 12. Bd2 Kh8 13. Nxf5 exf5 14. Ng3 Qd6 15. Qc1 Re7 16. Bxf5 gxf5 17. Nxf5 Qd7 18. Nxe7 Ndxe7 19. Qc2 Rg8 20. Qb3 Nf5 21. Rae1 Nh4 22. Bf4 Bf8 23. Bg3 Nf5 24. Qe6 Qxe6 25. Rxe6 Rg6 26. Bxc7 h5 27. Kh1 Kg7 28. Re4 Bd6 29. Bxd6 Nxd6 30. Re3 Nc4 31. Rg3 Nd6 32. Re1 Nf5 33. Rxg6+ Kxg6 34. Re8 Nfe7 35. d5 Nxd5 36. Rg8+ Kf5 37. Rh8 Kg6 38. Rg8+ Kh7 39. Rg3 Ne5 40. b3 Ng4 41. Rf3 Kg6 42. c4 Nb4 43. h4 Ne5 44. Rg3+ Kf7 45. a3 Nbd3 46. f3 Nf4 47. Kh2 Ne2 48. f4 Nxg3 49. Kxg3 Nd3 50. Kf3 Ke6 51. Ke4 Nc5+ 52. Kd4 Nxb3+ 53. Kc3 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.06"]
[Round "8"]
[White "Ebert, Lothar"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1614"]
[BlackElo "1413"]
[PlyCount "67"]
[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 c5 2. Nf3 e6 3. c3 Nc6 4. Bb5 a6 5. Ba4 b5 6. Bc2 d5 7. d4 c4 8. 0-0 Nge7 9. Re1 Bb7 10. e5 Ng6 11. Be3 Be7 12. Nbd2 h6 13. Bxg6 fxg6 14. Qc2 Kf7 15. h3 Qe8 16. g3 Rf8 17. Nh4 Bxh4 18. gxh4 Kg8 19. Kh2 Ne7 20. Rg1 Nf5 21. Rg4 Nxe3 22. fxe3 Rf2+ 23. Rg2 Rxg2+ 24. Kxg2 Bc6 25. Nf3 Ra7 26. Ng1 Rf7 27. Ne2 Qf8 28. Nf4 Rf5 29. Qe2 Qf7 30. Kg1 Be8 31. Rf1 Qe7 32. Ng2 Qf7 33. Rxf5 Qxf5 34. Kh2 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.05"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Metzger, Eberhard"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1413"]
[BlackElo "1621"]
[PlyCount "73"]
[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 d6 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nd7 5. Bc4 e6 6. 0-0 Ne7 7. d3 0-0 8. Be3 h6 9. Qe1 Kh7 10. Bd4 Nf6 11. Qh4 Nc6 12. Be3 Kg8 13. a3 d5 14. Bc5 dxc4 15. Bxf8 Qxf8 16. d4 a6 17. Kh1 b5 18. d5 exd5 19. e5 Ne8 20. Nxd5 Be6 21. Nc3 Ne7 22. Qe1 Nd5 23. Nd4 Qc5 24. Nxe6 fxe6 25. Rf3 Qf8 26. Qe4 Qf5 27. Qd4 c6 28. Ne4 Bf8 29. Ng3 Qf7 30. Raf1 Ng7 31. Qd1 Bc5 32. Qe1 Nf5 33. Ne4 Be7 34. g4 Ng7 35. h4 h5 36. gxh5 Nxh5 37. f5 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.04"]
[Round "6"]
[White "Kohlmeyer, Dagobert"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1646"]
[BlackElo "1413"]
[PlyCount "45"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Be2 Qc7 8. 0-0 Be7 9. Be3 Nf6 10. Qe1 d5 11. exd5 Nxd5 12. Nxd5 cxd5 13. Qd2 0-0 14. f4 Bd7 15. Rf3 Bc5 16. Rc1 Bxe3+ 17. Qxe3 Bc6 18. Rh3 e5 19. fxe5 Rfe8 20. Bd3 Qxe5 21. Bxh7+ Kf8 22. Qc5+ Re7 23. Bd3 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.03"]
[Round "5"]
[White "Koeckeritz, Dieter"]
[Black "Ollek, Karl Heinz"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1413"]
[BlackElo "1573"]
[PlyCount "59"]
[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. Bd3 Nf6 5. 0-0 0-0 6. Re1 Nc6 7. c3 e5 8. d5 Ne7 9. Nbd2 c6 10. c4 Nh5 11. Nf1 f5 12. Ng3 Nxg3 13. hxg3 cxd5 14. cxd5 fxe4 15. Bxe4 Bg4 16. Qb3 Bxf3 17. gxf3 Qd7 18. Kg2 b6 19. Bg5 Nf5 20. Rac1 h6 21. Be3 Rac8 22. Rc7 Ne7 23. Rec1 Kh7 24. Qd3 Rf6 25. Rxc8 Nxc8 26. Rh1 Ne7 27. Bg5 Nf5 28. Bxf6 Bxf6 29. Qd2 Bg5 30. Qxg5 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.02"]
[Round "4"]
[White "Hesselbarth, Karlheinz"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1599"]
[BlackElo "1413"]
[PlyCount "83"]
[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 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 c6 7. Qc2 Nbd7 8. cxd5 exd5 9. Bd3 0-0 10. Nf3 Re8 11. 0-0 Bd6 12. Rab1 Qc7 13. b4 Ng4 14. h3 Nh2 15. Nxh2 Bxh2+ 16. Kh1 Bd6 17. e4 dxe4 18. Nxe4 Nf8 19. Rfe1 Be6 20. Nxd6 Qxd6 21. Red1 Qd7 22. Kh2 Bd5 23. b5 Qd6+ 24. Bg3 Qf6 25. bxc6 Bxc6 26. Be5 Qg5 27. f3 Rac8 28. Qf2 Ne6 29. h4 Qe7 30. Qg3 Kh8 31. Bf5 f6 32. Bd6 Qd8 33. d5 Ba4 34. Re1 Nd4 35. Bxc8 Rxe1 36. Rxe1 Qxc8 37. Qf4 Qd7 38. Re7 Qd8 39. Re4 g5 40. hxg5 hxg5 41. Qg3 Nf5 42. Qe1 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.31"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Sattler, Guenther"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1413"]
[BlackElo "1594"]
[PlyCount "55"]
[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 Nc6 3. Bc4 Nf6 4. d3 h6 5. h3 d5 6. exd5 Nxd5 7. 0-0 Be6 8. Re1 Bd6 9. Nbd2 Qd7 10. Ne4 Be7 11. Bb5 f6 12. a3 a6 13. Ba4 Nb6 14. Bb3 0-0-0 15. Be3 f5 16. Nc5 Bxc5 17. Bxe6 Qxe6 18. Bxc5 e4 19. Bxb6 cxb6 20. Nd2 Qd5 21. Nc4 Kc7 22. Qd2 Qxc4 23. Qf4+ Kc8 24. dxc4 Rhf8 25. g4 Rfe8 26. Rad1 g5 27. Rxd8+ Nxd8 28. Qd6 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.30"]
[Round "2"]
[White "Casny, Guenter"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1580"]
[BlackElo "1413"]
[PlyCount "85"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 d6 6. Nc3 Nf6 7. f3 Nc6 8. Qd2 Be7 9. g4 Nxd4 10. Bxd4 e5 11. Be3 Bxg4 12. fxg4 Nxg4 13. Be2 Bh4+ 14. Kd1 Nxe3+ 15. Qxe3 Bg5 16. Qf2 Qa5 17. h4 Bf4 18. Bd3 Rc8 19. Nd5 Bh6 20. c3 Qa4+ 21. Qc2 Qa5 22. Rf1 Qd8 23. Qf2 0-0 24. Kc2 b5 25. Rad1 Rc5 26. Kb1 a5 27. Bc2 Qb8 28. Bb3 Qb7 29. Nf6+ Kh8 30. Bd5 Qe7 31. Qf5 Qxf6 32. Qxf6 gxf6 33. Rxf6 Bf4 34. Rxd6 b4 35. c4 f5 36. Rd7 a4 37. exf5 Rxf5 38. Rd8+ Kg7 39. Rg1+ Kh6 40. Rd6+ Kh5 41. Rd7 h6 42. Rdg7 b3 43. Bf3+ 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.29"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Hartmann, Hans"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1413"]
[BlackElo "1776"]
[PlyCount "98"]
[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. d3 c5 3. Nd2 Nc6 4. Ngf3 d6 5. Be2 Be7 6. 0-0 Nf6 7. Re1 0-0 8. Nf1 h6 9. h3 Qc7 10. Ng3 d5 11. exd5 exd5 12. Bd2 Bd6 13. Nf1 Bd7 14. Qc1 Ne7 15. Bxh6 gxh6 16. Qxh6 Ng6 17. Ng5 Bf4 18. h4 Bxg5 19. Qxg5 Qf4 20. Qxf4 Nxf4 21. Bf3 Rfe8 22. Ng3 Kg7 23. Nf1 Bg4 24. Nh2 Bxf3 25. Nxf3 Ng4 26. g3 Nh3+ 27. Kg2 Nhxf2 28. Ne5 Rxe5 29. Rxe5 Nxe5 30. Kxf2 d4 31. Re1 f6 32. Re4 Kg6 33. g4 Re8 34. Kg3 Re7 35. Kf4 Nc6 36. Rxe7 Nxe7 37. h5+ Kh6 38. c4 a6 39. a3 a5 40. b3 b6 41. Kg3 Kg5 42. Kf3 Nc6 43. Ke4 Kxg4 44. h6 Ne7 45. h7 Ng6 46. Kd5 f5 47. Ke6 f4 48. Kf6 Kh5 49. b4 f3 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.06"]
[Round "8"]
[White "Koeckeritz, Dieter"]
[Black "Geist, Wolfgang"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1404"]
[BlackElo "1359"]
[PlyCount "105"]
[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. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ c6 5. dxc6 Nxc6 6. Bxc6+ bxc6 7. f3 Bd7 8. Ne2 e6 9. 0-0 Be7 10. Ng3 0-0 11. Nd2 Bd6 12. Nge4 Nxe4 13. fxe4 e5 14. Nc4 Qc7 15. dxe5 Bc5+ 16. Kh1 Be6 17. Nd6 Rad8 18. Qh5 Bxd6 19. exd6 Qxd6 20. Bf4 Qb4 21. Rfe1 Qxb2 22. Qe2 Qf6 23. Qe3 Rd7 24. Qg3 Qg6 25. Qe3 Qf6 26. a4 Rc8 27. Rab1 Qd8 28. Qg3 Qf6 29. a5 Qg6 30. Qe3 Qf6 31. a6 Qd8 32. h3 Qa5 33. Ra1 Qb5 34. Reb1 Qc4 35. Rb7 Qxc2 36. Rxd7 Bxd7 37. Qxa7 Be6 38. Qg1 Ra8 39. a7 h6 40. Qe3 c5 41. Bb8 Qc4 42. Rc1 Qd4 43. Qxd4 cxd4 44. Rd1 Kh7 45. Rxd4 Bc8 46. e5 Bb7 47. Kh2 h5 48. Rd7 Bc8 49. Rxf7 Be6 50. Re7 Bf5 51. e6 Kg6 52. Re8 Kf6 53. Be5+ 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.05"]
[Round "7"]
[White "Garms, Ilse"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1610"]
[BlackElo "1404"]
[PlyCount "92"]
[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. d4 d5 2. Nf3 Nf6 3. e3 Nbd7 4. Bd3 c5 5. c3 e6 6. Nbd2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Rh4 g6 13. Bg5 Nh5 14. Qd2 f6 15. Be3 e5 16. Bc4+ Kg7 17. Bh6+ Kh8 18. Bxf8 Bxf8 19. dxe5 fxe5 20. Qd5 Nf6 21. Qxe5 Qb6 22. b3 Bg7 23. Ng5 h5 24. Bf7 Bf5 25. Re1 Qd8 26. Qxc5 Qd2 27. Nf3 Qc2 28. h3 Rd8 29. Qxa7 Ne4 30. Qe3 Nxc3 31. Rc4 Rd3 32. Qg5 Rd1 33. Rxd1 Qxd1+ 34. Kh2 Ne4 35. Qe3 Qd6+ 36. g3 Nf6 37. Ne5 Qd1 38. Nxg6+ Kh7 39. Nh4 Bxh3 40. Qf3 Qf1 41. Bg6+ Kg8 42. Bd3 Qa1 43. Kxh3 Qe1 44. Rc8+ Kf7 45. Qxb7+ Ke6 46. Bc4+ Ke5 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.04"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Boettger, Fritz"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1404"]
[BlackElo "1315"]
[PlyCount "53"]
[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. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 a6 6. Bxc6 dxc6 7. d3 e6 8. 0-0 Ne7 9. Qe1 0-0 10. Be3 b6 11. Rd1 Qc7 12. d4 cxd4 13. Bxd4 Bxd4+ 14. Nxd4 Bb7 15. Qh4 Rad8 16. Nf3 Rxd1 17. Rxd1 h5 18. Qf6 Nc8 19. Qg5 Kg7 20. Qg3 Rd8 21. Rf1 c5 22. Ne5 Ne7 23. f5 exf5 24. exf5 Rd6 25. fxg6 fxg6 26. Rf7+ Kh6 27. h4 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.03"]
[Round "5"]
[White "Stiemerling, Karl Heinz"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1313"]
[BlackElo "1404"]
[PlyCount "18"]
[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. d4 Nf6 2. c4 e6 3. Nf3 Be7 4. Nc3 d5 5. c5 c6 6. Bd2 a5 7. g3 Nbd7 8. Bg2 b6 9. cxb6 Nxb6 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.31"]
[Round "2"]
[White "Sube, Guenter"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "1622"]
[BlackElo "1404"]
[PlyCount "27"]
[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 e5 2. Nc3 Nf6 3. f4 Nc6 4. Nf3 Bc5 5. fxe5 Ng4 6. d4 Nxd4 7. Nxd4 Nxe5 8. Nb3 Bb4 9. Bf4 Ng6 10. Qf3 Bxc3+ 11. bxc3 Qf6 12. Bxc7 0-0 13. Qxf6 gxf6 14. Bd3 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.30"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Mayer, Herbert"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1404"]
[BlackElo "1777"]
[PlyCount "28"]
[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. exd5 cxd5 4. Bd3 Nf6 5. Nf3 Nc6 6. c3 Bg4 7. h3 Bh5 8. Bf4 Qb6 9. Qe2 Bxf3 10. gxf3 g6 11. Nd2 Bg7 12. Nf1 Nh5 13. Bh2 Rc8 14. Qd2 0-0 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2013.03.30"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Hahlbohm, Matthias"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1726"]
[BlackElo "2111"]
[PlyCount "58"]
[EventDate "2013.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bg5 h6 9. Bh4 0-0 10. Re1 Qc7 11. Bd3 Nc6 12. Nce2 Ne5 13. Rc1 b5 14. f4 Nc4 15. Bxc4 bxc4 16. Nc3 Rd8 17. Qe2 Bb7 18. e5 dxe5 19. fxe5 Rxd4 20. Bf2 Rg4 21. exf6 Rxg2+ 22. Kf1 Bxf6 23. Ne4 Qxh2 24. Nxf6+ gxf6 25. Qe3 Rg5 26. Qc3 Bg2+ 27. Ke2 Re5+ 28. Kd1 Rd8+ 29. Bd4 Bf3+ 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.08"]
[Round "1.5"]
[White "Hintze, Peter"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2067"]
[BlackElo "1750"]
[PlyCount "63"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. Be2 Nf6 5. e5 Nd5 6. 0-0 d6 7. d4 dxe5 8. dxe5 Qc7 9. Bb5 Bd7 10. Qe2 Be7 11. Na3 a6 12. Bd3 b5 13. c4 bxc4 14. Nxc4 Nb6 15. Na3 Nb4 16. Be4 N4d5 17. Bd2 c4 18. Nc2 c3 19. bxc3 Rc8 20. Ncd4 Nc4 21. Bxd5 exd5 22. e6 0-0 23. exd7 Qxd7 24. Ne5 Nxe5 25. Qxe5 Bf6 26. Qg3 g6 27. Rfe1 Rfe8 28. h4 Rxe1+ 29. Rxe1 Re8 30. Rxe8+ Qxe8 31. Qd6 Qe4 32. Qxf6 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.06"]
[Round "9"]
[White "Koeckeritz, Dieter"]
[Black "Metzger, Eberhard"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1530"]
[BlackElo "1771"]
[PlyCount "64"]
[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 d6 2. d4 g6 3. Nf3 Bg7 4. h3 Nd7 5. Be3 e6 6. Nbd2 Ne7 7. c4 b6 8. Bd3 Bb7 9. Rc1 c5 10. b3 0-0 11. 0-0 h6 12. d5 e5 13. Ne1 Qe8 14. f4 f5 15. Qc2 Bc8 16. Nef3 exf4 17. Bxf4 Ne5 18. Nxe5 dxe5 19. Bh2 f4 20. Rce1 g5 21. Be2 Kh8 22. Qd1 Ng8 23. Nf3 Nf6 24. Nd2 Bd7 25. Rf3 Qg6 26. g3 Bxh3 27. Bf1 Bg4 28. Kh1 Bxf3+ 29. Nxf3 Ng4 30. Re2 fxg3 31. Bxg3 Rxf3 32. Bg2 Rxg3 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.05"]
[Round "8"]
[White "Rollwitz, Juergen"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1812"]
[BlackElo "1530"]
[PlyCount "39"]
[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. Bc4 Nf6 3. d3 d6 4. Nc3 Be7 5. Nf3 0-0 6. h3 Nc6 7. a3 Be6 8. Nd5 Nd7 9. b4 Nd4 10. Be3 Nxf3+ 11. Qxf3 c6 12. Nxe7+ Qxe7 13. Ba2 Bxa2 14. Rxa2 Qe6 15. Ra1 f5 16. 0-0 fxe4 17. Qxe4 Nf6 18. Qh4 Nd5 19. Qg4 Qf7 20. Rae1 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.04"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Krempelsetzer, Klaus"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1530"]
[BlackElo "1734"]
[PlyCount "71"]
[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. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. d4 cxd4 7. Nxd4 Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. 0-0 Bxc3 11. bxc3 Nf6 12. Qf3 d5 13. exd5 cxd5 14. c4 dxc4 15. Qc6+ Nd7 16. Kh1 Rc8 17. Qd5 Nf6 18. Qf3 Qd5 19. Qc3 Rg8 20. Ba3 Ne4 21. Qh3 f5 22. Qe3 Rc7 23. Rad1 Qc6 24. Rfe1 Qb6 25. Rd4 Kf7 26. Rxe4 fxe4 27. Qxe4 e6 28. Qe5 c3 29. Bd6 Rc6 30. Qxe6+ Kg7 31. Be5+ Kf8 32. Bd6+ Kg7 33. Qe7+ Kh6 34. Qh4+ Kg7 35. Re7+ Kf8 36. Qh6+ 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.03"]
[Round "6"]
[White "Koppatsch, Juergen"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1038"]
[BlackElo "1530"]
[PlyCount "106"]
[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 Nf6 3. Nc3 Nc6 4. Bc4 Be7 5. d3 d6 6. h3 0-0 7. a3 a6 8. b4 b5 9. Bb3 Nd4 10. Ba2 Be6 11. Nd5 Nxd5 12. exd5 Bd7 13. Nh2 Nf5 14. c4 Bf6 15. Rb1 Nd4 16. 0-0 Be7 17. Be3 Nf5 18. Re1 Nxe3 19. Rxe3 f5 20. f3 Bg5 21. Re2 Bf4 22. Nf1 Bh6 23. Nh2 Qg5 24. Qc2 Rac8 25. Rf1 Qg3 26. Rff2 Bf4 27. Nf1 Qg5 28. Bb1 Rf6 29. Qa2 Rg6 30. Qc2 Bg3 31. Nxg3 Qxg3 32. Kf1 f4 33. Ke1 Qh4 34. Kd1 Qf6 35. Qc3 Rg5 36. Rd2 Kh8 37. Rfe2 Qf8 38. Qc2 Qe8 39. Qc3 c6 40. Qb3 bxc4 41. dxc4 cxd5 42. cxd5 Ba4 43. Bc2 Bxb3 44. Bxb3 Rf5 45. Rb2 Rf7 46. Ke1 Rfc7 47. Kd2 Qd8 48. Re1 Rc3 49. Re2 Qb6 50. Re4 Qf2+ 51. Re2 Qd4+ 52. Ke1 Rc1+ 53. Bd1 Rxd1# 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.02"]
[Round "5"]
[White "Koeckeritz, Dieter"]
[Black "Jiranek, Benno"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1530"]
[BlackElo "1263"]
[PlyCount "39"]
[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. Nc3 a6 3. f4 e6 4. Nf3 d5 5. d3 dxe4 6. Nxe4 Nf6 7. Nf2 Be7 8. Be2 Qc7 9. Bd2 0-0 10. 0-0 Nd5 11. Ne4 Nxf4 12. Bxf4 Qxf4 13. Kh1 b6 14. Nfg5 Qc7 15. Nxf7 Rxf7 16. Rxf7 Kxf7 17. Bh5+ Kg8 18. Qf3 Bb7 19. Qf7+ Kh8 20. Qe8+ 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.01"]
[Round "4"]
[White "Tuerk, Bernhard"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1377"]
[BlackElo "1530"]
[PlyCount "144"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Be2 c6 7. h3 dxc4 8. Bxc4 Nd5 9. Bxe7 Nxe7 10. Bd3 e5 11. Nge2 0-0 12. Qc2 f5 13. Bc4+ Kh8 14. 0-0-0 Qb6 15. f4 e4 16. Qd2 Nf6 17. Na4 Qc7 18. Bb3 Ned5 19. Kb1 Qe7 20. Nec3 Be6 21. Nc5 Bg8 22. Rc1 Rac8 23. Ne2 b6 24. Na6 Qb7 25. Nb4 Rfd8 26. Rhd1 c5 27. dxc5 Nxb4 28. Qxb4 Bxb3 29. Qxb3 Rxd1 30. Rxd1 Qa6 31. Ng3 g6 32. Qe6 Ne8 33. Qe5+ Ng7 34. Rd7 Rg8 35. c6 Qa4 36. Qd5 Qb4 37. Qd1 Qc5 38. c7 Ne6 39. Qc1 Qxc1+ 40. Kxc1 Rc8 41. Kd2 Rxc7 42. Rxc7 Nxc7 43. Ne2 Ne6 44. b4 Kg7 45. Kc3 Kf7 46. Kc4 Ke7 47. Kb5 Nc7+ 48. Kc6 b5 49. Kxc7 Ke6 50. Nd4+ Kd5 51. Nxb5 Kc4 52. Nxa7 Kxb4 53. Nc6+ Kc3 54. a4 g5 55. g3 h5 56. a5 h4 57. gxh4 gxf4 58. a6 fxe3 59. a7 e2 60. a8Q e1Q 61. Qh8+ Kc2 62. Nd4+ Kb1 63. Qb8+ Kc1 64. Nxf5 Qa5+ 65. Qb6 Qxf5 66. Qg1+ Kc2 67. Qg2+ Kd3 68. Qg3+ Kd4 69. Qg7+ Qe5+ 70. Qxe5+ Kxe5 71. h5 Kf5 72. h4 e3 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.31"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Lilienthal, Georg"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1530"]
[BlackElo "1242"]
[PlyCount "26"]
[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 d5 2. Nf3 Nc6 3. e3 a6 4. c4 e6 5. a3 Bd7 6. Bd3 Nf6 7. 0-0 Be7 8. Nc3 dxc4 9. Bxc4 Bd6 10. b4 b5 11. Bd3 e5 12. d5 Ne7 13. e4 h6 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.30"]
[Round "2"]
[White "Habedank, Detlef"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1813"]
[BlackElo "1530"]
[PlyCount "67"]
[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. d3 e6 3. c3 Nc6 4. Nf3 d5 5. Qc2 Nge7 6. Be2 Ng6 7. Nbd2 Nf4 8. Bf1 Bd6 9. g3 Ng6 10. Bg2 f5 11. exd5 exd5 12. 0-0 0-0 13. Qb3 Be7 14. Re1 Kh8 15. Nf1 Bf6 16. Bd2 d4 17. c4 Bd7 18. h3 Qc7 19. h4 b6 20. Ng5 Rae8 21. Rxe8 Bxe8 22. Ne6 Qf7 23. Nxf8 Qxf8 24. Re1 f4 25. Bxf4 Nxf4 26. gxf4 Bxh4 27. Qc2 Bg6 28. Bxc6 Qxf4 29. Qe2 h6 30. Qf3 Qg5+ 31. Ng3 Qd2 32. Re2 Qd1+ 33. Kg2 Bxd3 34. Re8+ 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.29"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Baranowsky, Peter"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1530"]
[BlackElo "1854"]
[PlyCount "86"]
[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 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Bd6 6. Nbd2 Nc6 7. Bb5 Bxf4 8. exf4 Qd6 9. Ne5 cxd4 10. cxd4 0-0 11. Bxc6 bxc6 12. 0-0 c5 13. dxc5 Qxc5 14. Ndf3 Ba6 15. Rc1 Qb4 16. Nd3 Bxd3 17. Qxd3 Qxb2 18. Rc2 Qb7 19. h3 Rac8 20. Rfc1 Rxc2 21. Qxc2 h5 22. Ne5 Rd8 23. Nc6 Rd6 24. f3 Qb6+ 25. Kh1 g6 26. Ne5 Kg7 27. g4 hxg4 28. hxg4 Qd8 29. Kg2 d4 30. Qd3 a6 31. Kg3 Rb6 32. g5 Nh5+ 33. Kg4 Rb2 34. Qe4 d3 35. Nxd3 Rh2 36. Qe5+ Kg8 37. Nb4 Rg2+ 38. Kh3 Rg3+ 39. Kh4 Rxf3 40. Nc6 Qd2 41. Ne7+ Kh7 42. Nxg6 Qh2+ 43. Kg4 Qh3# 0-1

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.17"]
[Round "9"]
[White "Koeckeritz, Dieter"]
[Black "Prix, Siegfried"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1531"]
[BlackElo "1640"]
[PlyCount "59"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d6 7. 0-0 Be7 8. f4 0-0 9. Nc3 Re8 10. Bd2 Rb8 11. Rb1 Bb7 12. Qe2 Bf8 13. e5 Nd7 14. Rbe1 dxe5 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. fxe5 g6 18. Qf3 Qe7 19. e6 fxe6 20. Ne4 c5 21. Bg5 Bxe4 22. Rxe4 Qxg5 23. Qf7+ Kh8 24. Qxd7 Rbd8 25. Qa4 Rd2 26. Rg4 Qe3+ 27. Kh1 Qe2 28. Qf4 Rd7 29. Rxg6 Rg7 30. Qh6+ 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.16"]
[Round "8"]
[White "Augustat, Siegfried"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1641"]
[BlackElo "1531"]
[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. e4 c5 2. c3 e6 3. d4 d5 4. exd5 Qxd5 5. Nf3 Nc6 6. Be3 cxd4 7. cxd4 Bb4+ 8. Nc3 Qa5 9. Qc2 Nf6 10. Bd3 Nd5 11. Bd2 Qb6 12. 0-0 Nxd4 13. Nxd4 Qxd4 14. Nxd5 Bxd2 15. Nc7+ Ke7 16. Nxa8 Bf4 17. Rfd1 Bd7 18. Bb5 Bxh2+ 19. Kxh2 Qe5+ 20. Kg1 Bxb5 21. Qc7+ Qxc7 22. Nxc7 Bc6 23. b4 a6 24. a4 Rc8 25. b5 axb5 26. Nxb5 Ra8 27. Nc3 g6 28. a5 h5 29. Rdb1 Rd8 30. Rb6 Rd4 31. a6 Rg4 32. Rxc6 bxc6 33. f3 Rg3 34. Ne4 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.15"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Bolle, Dietrich"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1531"]
[BlackElo "1352"]
[PlyCount "77"]
[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. d4 c6 3. e3 Nf6 4. Bd3 e6 5. 0-0 Bd6 6. Nbd2 0-0 7. c4 dxc4 8. Nxc4 Bc7 9. Qc2 h6 10. e4 Ne8 11. Nce5 Bxe5 12. dxe5 Nd7 13. b3 c5 14. Bf4 b6 15. Rad1 g5 16. Bg3 Ng7 17. h3 Qe7 18. Qc1 Re8 19. Nd2 Nh5 20. Nc4 Nf4 21. Bxf4 gxf4 22. Qxf4 Kh7 23. Nd6 Rf8 24. Qh2 Rg8 25. f4 f6 26. exf6 Nxf6 27. e5+ Kh8 28. Nxc8 Raxc8 29. exf6 Qxf6 30. Be4 Rc7 31. Kh1 Rcg7 32. Rf2 Rg3 33. Rfd2 Qxf4 34. Bf3 Qg5 35. Rd7 Qf5 36. Rd8 Rxf3 37. Rxg8+ Kxg8 38. gxf3 Qxf3+ 39. Qg2+ 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.13"]
[Round "5"]
[White "Voigt, Udo"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1650"]
[BlackElo "1531"]
[PlyCount "87"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bb4 9. Qc2 Bxc3 10. bxc3 0-0 11. Be2 Qc7 12. 0-0 e5 13. dxe5 Qxe5 14. Nf3 Qc7 15. Rab1 dxc4 16. Bxc4 Bg4 17. Be2 Rab8 18. h3 Bh5 19. Rb4 Qe7 20. Rfb1 Rfe8 21. Qb2 Bg6 22. Rd1 c5 23. Rf4 Ne4 24. Bd3 Nxf2 25. Qxf2 Rbd8 26. Be2 Rxd1+ 27. Bxd1 Qxe3 28. Qxe3 Rxe3 29. c4 h6 30. Kf2 Ra3 31. Bb3 Bb1 32. Ne5 Bxa2 33. Bxa2 Rxa2+ 34. Kf3 f6 35. Nd3 b6 36. Re4 Kf7 37. g3 g6 38. Re3 Ra4 39. Nb2 Rb4 40. Re2 a5 41. Ke4 a4 42. Kd5 a3 43. Nd3 Rb3 44. Rd2 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.12"]
[Round "4"]
[White "Koeckeritz, Dieter"]
[Black "Kujawa, Werner"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1531"]
[BlackElo "1641"]
[PlyCount "60"]
[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. Nf3 e6 3. Bf4 d5 4. e3 a6 5. Nbd2 c5 6. c3 Nc6 7. Bd3 Bd6 8. Ne5 Qc7 9. Ndf3 b5 10. Nxc6 Bxf4 11. exf4 Qxc6 12. Ne5 Qc7 13. 0-0 Bb7 14. f5 exf5 15. Bxf5 0-0 16. f4 Ne4 17. Rf3 g6 18. Bh3 f6 19. Be6+ Kg7 20. Ng4 f5 21. Ne3 Rad8 22. g4 fxg4 23. Nxg4 Rxf4 24. Rxf4 Qxf4 25. dxc5 d4 26. cxd4 h5 27. d5 hxg4 28. Qd4+ Kh6 29. Rf1 Qd2 30. Qxe4 Bxd5 1/2-1/2

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.11"]
[Round "3"]
[White "Herrmann, Eberhard"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1710"]
[BlackElo "1531"]
[PlyCount "79"]
[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 c5 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. Bb5+ Nc6 6. 0-0 a6 7. Bxc6+ bxc6 8. d3 Ne7 9. Nh4 h6 10. Nxf5 Nxf5 11. c3 d4 12. c4 Be7 13. Qe2 g5 14. g4 Nh4 15. f5 Qd7 16. f6 Bd8 17. Nd2 Ng6 18. Nf3 Bc7 19. Qe4 Rb8 20. Re1 Ba5 21. Re2 Qb7 22. Rb1 Rg8 23. Kh1 Kd7 24. b4 Qa7 25. a3 Bb6 26. Bb2 cxb4 27. axb4 c5 28. bxc5 Bxc5 29. Rd1 Rb3 30. Bxd4 Rgb8 31. Rde1 a5 32. Bxc5 Qxc5 33. d4 Qa3 34. d5 Rxf3 35. dxe6+ Ke8 36. Qc6+ Kf8 37. Qc7 Rxf6 38. Qxb8+ Kg7 39. exf6+ Kh7 40. Qb7 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.10"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Vidic, Dobrivoje"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1531"]
[BlackElo "1655"]
[PlyCount "77"]
[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 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nh5 5. Ne5 Nxf4 6. exf4 Qf6 7. g3 a6 8. Nd2 c5 9. c3 cxd4 10. cxd4 Nc6 11. a3 Qd8 12. Ndf3 Be7 13. Bg2 0-0 14. 0-0 f6 15. Nd3 Qb6 16. Qe2 Nxd4 17. Nxd4 Qxd4 18. Rad1 Bd8 19. Nb4 Qc5 20. Rc1 Qd6 21. Rfd1 a5 22. Nxd5 Qb8 23. Ne3 f5 24. Qc4 Kh8 25. Qc5 Rg8 26. Qc2 Bf6 27. Nc4 h6 28. Nd6 Rf8 29. Nb5 Ra6 30. Qc5 Rg8 31. Nd6 Be7 32. Nf7+ Kh7 33. Qxe7 b5 34. Ne5 Ra7 35. Qh4 b4 36. Nc6 Qc7 37. Nxa7 Qxa7 38. Rd8 g5 39. fxg5 1-0

[Event "Berlin-ch Seniors op 26th"]
[Site "Berlin"]
[Date "2010.02.09"]
[Round "1"]
[White "Zum Winkel, Wolfgang"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1817"]
[BlackElo "1531"]
[PlyCount "88"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Nc6 6. Bg2 Bc5 7. c3 Qb6 8. Nd2 Nf6 9. N2b3 Be7 10. Be3 Qc7 11. 0-0 0-0 12. f4 d6 13. a4 e5 14. Nf5 Bxf5 15. exf5 Rad8 16. a5 Qc8 17. Bb6 e4 18. Bxd8 Rxd8 19. g4 d5 20. g5 Qxf5 21. gxf6 Qxf6 22. Kh1 Qe6 23. Qe2 f5 24. Rad1 Bf8 25. Nd4 Nxd4 26. Rxd4 Bc5 27. Rd2 Qf6 28. Rfd1 d4 29. Qc4+ Kh8 30. Qxc5 d3 31. Qe3 h6 32. Rg1 Rd6 33. Bf1 Qd8 34. Qg3 Rd7 35. Qg6 Qf8 36. Bh3 Rf7 37. Qe6 Rf6 38. Qe5 Qf7 39. Bxf5 Rxf5 40. Qxe4 Rxf4 41. Qxd3 Rf3 42. Qg6 Qe7 43. Rd8+ Rf8 44. Rxf8+ Qxf8 1-0

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2009.04.12"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Strehlow, Horst"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1806"]
[BlackElo "2129"]
[PlyCount "47"]
[EventDate "2009.04.11"]
[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. d4 c6 3. Bf4 Nf6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 Nbd7 7. Nbd2 e6 8. 0-0 Be7 9. Rfe1 0-0 10. c3 Nh5 11. Ne5 Bd6 12. Qe2 Nxf4 13. exf4 Nf6 14. Qf3 Rc8 15. Rac1 c5 16. h3 cxd4 17. cxd4 Qa5 18. Nf1 Rxc1 19. Rxc1 Qxa2 20. Ng3 Qxb2 21. Rd1 Qc2 22. Nh5 Nxh5 23. Qxh5 Bxe5 24. fxe5 0-1

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.20"]
[Round "9"]
[White "Bolle, Dietrich"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1336"]
[BlackElo "1857"]
[PlyCount "74"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 g6 4. Nc3 d5 5. e3 Bg7 6. Be2 0-0 7. 0-0 dxc4 8. Bxc4 c6 9. a4 a5 10. Bd3 Nbd7 11. e4 Qc7 12. Qc2 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Be3 Ng4 16. g3 Qh5 17. h4 Nxe3 18. fxe3 Qe5 19. Ne2 Qxb2 20. Rab1 Qe5 21. Kg2 Rb8 22. Nd4 Qd6 23. Nf3 Be6 24. Rbd1 Qa3 25. Nd4 Bxd4 26. exd4 Bb3 27. Ra1 Qxa1 28. Rxa1 Bxc2 29. Bxc2 b5 30. axb5 Rxb5 31. Ba4 Rb4 32. Bxc6 Rxd4 33. Rxa5 Rb8 34. Ra3 Rb6 35. Bd5 Rf6 36. Rc3 Rd2+ 37. Kh3 h5 0-1

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.19"]
[Round "8"]
[White "Koeckeritz, Dieter"]
[Black "Loncarevic, Marko"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1857"]
[BlackElo "1497"]
[PlyCount "75"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 Nc6 4. Bg2 e6 5. 0-0 h6 6. c3 Be7 7. Nbd2 0-0 8. Re1 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Be7 12. Qc2 f5 13. Re1 Bf6 14. Bf4 g5 15. Be5 Kg7 16. Rad1 Qe7 17. Bxf6+ Qxf6 18. Ne5 Ne7 19. Bxb7 Bxb7 20. Nd7 Qf7 21. Nxf8 Rxf8 22. Qe2 Bc8 23. Qe5+ Kg6 24. Qxc7 Nd5 25. Qe5 Re8 26. Rd2 Nb6 27. b3 Bb7 28. Ree2 Be4 29. Re3 g4 30. Rde2 Qf6 31. Rxe4 fxe4 32. Qxe4+ Qf5 33. Qc6 Kf7 34. Re5 Qf3 35. Qxf3+ gxf3 36. Re3 Rd8 37. Rxf3+ Kg6 38. Rd3 1/2-1/2

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.18"]
[Round "7"]
[White "Cobanov, Ante"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1650"]
[BlackElo "1857"]
[PlyCount "66"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 cxd5 5. Qb3 e6 6. d3 Be7 7. Qb5+ Qd7 8. Ne5 Qxb5 9. Nxb5 Na6 10. Bd2 Nd7 11. Bc3 Nxe5 12. Bxe5 0-0 13. a3 Bd7 14. Nc3 f6 15. Bg3 Rac8 16. d4 Nc7 17. e3 a6 18. Bd3 b5 19. 0-0 Na8 20. e4 Nb6 21. exd5 exd5 22. Rfe1 Rfe8 23. Re2 Kf7 24. Rae1 Bxa3 25. Rxe8 Bxe8 26. Nd1 Bb4 27. Re3 Nc4 28. Rf3 a5 29. h3 Nd2 30. Re3 Ne4 31. Kh2 Nxg3 32. Kxg3 Bd6+ 33. f4 g5 1-0

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.17"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Hirr, Rudi"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1857"]
[BlackElo "1633"]
[PlyCount "40"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Nbd7 5. Bd3 c5 6. c3 Qb6 7. Qc1 h6 8. Nbd2 Nh5 9. Be5 Nhf6 10. Rb1 Nxe5 11. Nxe5 Bd6 12. Ndf3 Nd7 13. Ng4 h5 14. Nge5 Bxe5 15. dxe5 c4 16. Bc2 Qc7 17. Ba4 a6 18. Bxd7+ Bxd7 19. Qd2 Rc8 20. Qd4 Ba4 1/2-1/2

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.16"]
[Round "5"]
[White "Moeller, Dirk Halvard"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1582"]
[BlackElo "1857"]
[PlyCount "65"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. f3 Be7 8. Be2 0-0 9. Qd2 b5 10. 0-0-0 Bb7 11. g4 Ne5 12. g5 Ne8 13. Nb3 Nd6 14. Nc5 Bc6 15. b3 Qa5 16. Bf4 Ndc4 17. bxc4 Nxc4 18. Bxc4 bxc4 19. N3a4 Qb5 20. Qd4 d6 21. Bxd6 Bxg5+ 22. f4 e5 23. Bxe5 Rfd8 24. Qc3 Be7 25. Bxg7 Bxc5 26. Nxc5 Qxc5 27. Bh6 Rxd1+ 28. Rxd1 f6 29. Qg3+ Kf7 30. Qg7+ Ke6 31. f5+ Ke5 32. Qg3+ Kxe4 33. Qf4# 1-0

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.15"]
[Round "4"]
[White "Koeckeritz, Dieter"]
[Black "Schraepel, Manfred"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1857"]
[BlackElo "1725"]
[PlyCount "73"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Bd3 Bxd3 5. Qxd3 c6 6. Nf3 Nf6 7. Nbd2 Bd6 8. Bxd6 Qxd6 9. 0-0 Nbd7 10. c4 0-0 11. Rac1 a5 12. c5 Qc7 13. Rfe1 e5 14. dxe5 Nxe5 15. Qc3 Nxf3+ 16. Nxf3 Rfe8 17. h3 Ne4 18. Qd4 Re6 19. Rc2 f5 20. Nd2 Nf6 21. f3 Rae8 22. Nf1 f4 23. Rce2 Kf8 24. Qd3 b6 25. Qd4 b5 26. a3 a4 27. Kf2 fxe3+ 28. Rxe3 Rxe3 29. Rxe3 Rxe3 30. Nxe3 Ke7 31. Nf5+ Kf8 32. Nd6 Qe7 33. Qf4 g6 34. g4 Kg7 35. Qg5 Qe6 36. Nf5+ Kf7 37. Nd6+ 1/2-1/2

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.14"]
[Round "3"]
[White "Hoppensack, Manfred"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2019"]
[BlackElo "1857"]
[PlyCount "75"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nde2 Nbd7 8. Ng3 h6 9. Be3 b5 10. a4 b4 11. Nd5 Nxd5 12. Qxd5 Rb8 13. Bc4 Qf6 14. Qd3 Nc5 15. Qe2 Be7 16. 0-0 0-0 17. b3 Qg6 18. f4 exf4 19. Bxf4 Ne6 20. Nf5 Bf6 21. Bxd6 Nd4 22. Qf2 Nxf5 23. exf5 Qg4 24. h3 Qxf5 25. Qe2 Qg6 26. Bxf8 Bxh3 27. Bc5 Bg4 28. Qd3 Qh5 29. Qd5 Qg6 30. Bd3 Qg5 31. Qxg5 hxg5 32. Rae1 Bc3 33. Re4 f5 34. Re7 Rf8 35. Bxa6 Kh7 36. Rb7 Kg6 37. Rb6+ Kh5 38. Bxf8 1-0

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.13"]
[Round "2"]
[White "Koeckeritz, Dieter"]
[Black "Matuszewski, Joachim"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1857"]
[BlackElo "1355"]
[PlyCount "97"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 4. d3 d6 5. 0-0 0-0 6. e4 Nc6 7. Re1 e5 8. c3 Bg4 9. Qc2 h6 10. Be3 Be6 11. Nbd2 Ng4 12. Nf1 Rc8 13. Rad1 Nxe3 14. Nxe3 Bf6 15. d4 exd4 16. cxd4 Nb4 17. Qa4 Na6 18. a3 Re8 19. Qc2 c5 20. d5 Bd7 21. Nc4 Bb5 22. e5 Bxc4 23. Qxc4 dxe5 24. d6 Qd7 25. Qe2 Rcd8 26. Qf1 b5 27. Bh3 Qb7 28. d7 Re7 29. Nd2 e4 30. Nxe4 Bd4 31. Rxd4 cxd4 32. Nf6+ gxf6 33. Rxe7 Nc7 34. Qe2 Kg7 35. Qg4+ Kf8 36. Re1 Ne6 37. Rxe6 fxe6 38. Qxe6 Rxd7 39. Qxd7 Qxd7 40. Bxd7 Ke7 41. Bxb5 Kd6 42. Bd3 Ke5 43. Kg2 f5 44. f4+ Kd5 45. Bxf5 Kc4 46. Kf2 d3 47. Ke3 Kb3 48. Bxd3 Kxb2 49. f5 1-0

[Event "Berlin-ch Seniors op 25th"]
[Site "Berlin"]
[Date "2009.02.12"]
[Round "1"]
[White "Bensch, Wolfgang"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1379"]
[BlackElo "1857"]
[PlyCount "60"]
[EventDate "2009.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 a6 7. g4 Bb4 8. Bd3 Bxc3+ 9. bxc3 d6 10. Rg1 Qc7 11. g5 Nd7 12. Rb1 Nde5 13. Nxc6 Qxc6 14. Bd4 Nxd3+ 15. Qxd3 0-0 16. Kd2 b5 17. Rb2 e5 18. Be3 Be6 19. Kc1 Bc4 20. Qd1 Rad8 21. Qg4 d5 22. exd5 Bxd5 23. Qb4 Bc4 24. a4 Rd5 25. a5 Rfd8 26. h4 Rd1+ 27. Rxd1 Rxd1+ 28. Kxd1 Qf3+ 29. Kc1 Qh1+ 30. Kd2 Qd5+ 1/2-1/2

[Event "Berlin Lichtenrade op 04th"]
[Site "Berlin"]
[Date "2008.10.18"]
[Round "1"]
[White "Rudolf, Henrik"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2368"]
[BlackElo "1852"]
[PlyCount "39"]
[EventDate "2008.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 e6 8. Qf3 Be7 9. 0-0-0 Qc7 10. g4 Rb8 11. Bxf6 gxf6 12. f5 Ne5 13. Qh3 b5 14. Nce2 Nc4 15. fxe6 fxe6 16. Nf4 Kf7 17. Qh5+ Kg8 18. Qe8+ Bf8 19. Qxf8+ Kxf8 20. Nfxe6+ 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.29"]
[Round "9"]
[White "Rehder, Frank"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1674"]
[BlackElo "1607"]
[PlyCount "65"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 0-0 6. Nf3 e5 7. d5 Na6 8. 0-0 Nc5 9. Nd2 a6 10. b4 Ncd7 11. Nb3 h6 12. Be3 Nh7 13. Qd2 g5 14. Rac1 b6 15. c5 f5 16. exf5 Ndf6 17. g4 Nxg4 18. Bxg4 Bxf5 19. Bxf5 Rxf5 20. Ne4 Nf6 21. f3 Nh5 22. Ng3 Nxg3 23. hxg3 Rf7 24. cxb6 cxb6 25. Qf2 Rb8 26. Rc6 g4 27. Qe2 Rbb7 28. Nd2 gxf3 29. Rxf3 Rxf3 30. Qxf3 Rf7 31. Qg4 Qf6 32. Rc8+ Rf8 33. Rxf8+ 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.28"]
[Round "8"]
[White "Koeckeritz, Dieter"]
[Black "Kujawa, Werner"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1607"]
[BlackElo "1699"]
[PlyCount "61"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Be2 d6 5. Nf3 c6 6. Nbd2 Qa5 7. 0-0 0-0 8. e4 Nh5 9. Nb3 Qc7 10. Be3 e5 11. c3 a5 12. Ne1 a4 13. Nd2 Nf4 14. Bf3 b6 15. Bxf4 exf4 16. Nc2 Bd7 17. Re1 Na6 18. d5 cxd5 19. exd5 Rae8 20. Nd4 Bxd4 21. cxd4 Rxe1+ 22. Qxe1 Qc2 23. Ne4 f5 24. Nxd6 Qxb2 25. Rd1 Qxa2 26. Qe7 Nb8 27. h4 a3 28. h5 gxh5 29. Bxh5 Qxd5 30. Qg5+ Kh8 31. Qe7 1/2-1/2

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.27"]
[Round "7"]
[White "Fischer, Semen"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1717"]
[BlackElo "1607"]
[PlyCount "94"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 d5 2. d4 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 Nbd7 6. h3 c5 7. dxc5 Nxc5 8. Bb5+ Bd7 9. Bf4 a6 10. Bxd7+ Ncxd7 11. Nge2 0-0 12. 0-0 b5 13. a3 Qb6 14. Bh2 Rfd8 15. Nd4 Bd6 16. Bxd6 Qxd6 17. Qf3 Rac8 18. Nce2 Ne4 19. Rfd1 Qe7 20. c3 Ne5 21. Qf4 Ng6 22. Qh2 Qf6 23. f3 Nd6 24. Rab1 Nc4 25. Kf2 Qg5 26. f4 Qf6 27. g3 e5 28. Nf3 Qb6 29. Nfd4 exd4 30. exd4 Re8 31. Qh1 Qe6 32. Ng1 Qe3+ 33. Kg2 Qe6 34. Kh2 Qf5 35. Qf3 Re3 36. Qf2 Rce8 37. Kg2 Qe4+ 38. Kf1 h5 39. f5 Ne7 40. Qf4 Qxf4+ 41. gxf4 Nxf5 42. Kf2 R8e4 43. Re1 Rxf4+ 44. Kg2 Nh4+ 45. Kh2 Rf2+ 46. Kh1 Nd2 47. Rbc1 Rg3 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.26"]
[Round "6"]
[White "Bolle, Dietrich"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1387"]
[BlackElo "1607"]
[PlyCount "82"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Be2 c6 7. 0-0 Nbd7 8. Qc2 e5 9. Rd1 Qc7 10. e4 a6 11. h3 exd4 12. Nxd4 Nc5 13. b4 Ne6 14. Be3 Nxd4 15. Bxd4 c5 16. bxc5 dxc5 17. Be3 Be6 18. Rac1 b6 19. Nd5 Nxd5 20. exd5 Bf5 21. Bd3 Bd7 22. Be4 Rad8 23. Bg5 Rde8 24. d6 Qc8 25. Be7 Be5 26. Bxf8 Rxf8 27. Qd3 Qd8 28. Qf3 Qc8 29. Bb7 Qe8 30. Bxa6 Bc6 31. Qb3 Qd8 32. Bb5 Ba8 33. Rc2 Qg5 34. f3 Qg3 35. Rf2 Qh2+ 36. Kf1 Bg3 37. d7 Bxf2 38. Kxf2 Qc7 39. Qe3 Qd8 40. Qe8 Kg7 41. Qxf8+ Kxf8 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.25"]
[Round "5"]
[White "Koeckeritz, Dieter"]
[Black "Matuszewski, Joachim"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1607"]
[BlackElo "1347"]
[PlyCount "36"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Be2 Bb7 5. Bf3 c6 6. Ne2 d5 7. Nd2 Nbd7 8. 0-0 Be7 9. c4 0-0 10. a3 Re8 11. b4 Rc8 12. Rc1 h6 13. c5 bxc5 14. dxc5 Bf8 15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 Nf6 18. Bf3 e5 1/2-1/2

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.24"]
[Round "4"]
[White "Mueller, Johannes1111"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1676"]
[BlackElo "1607"]
[PlyCount "55"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. f4 d5 5. e5 a6 6. Bg2 b5 7. d3 Bb7 8. Nf3 Nge7 9. 0-0 g6 10. Ne2 Nf5 11. c3 Be7 12. d4 Na5 13. g4 Ng7 14. a3 c4 15. Be3 h5 16. h3 Rb8 17. Qc2 Bc6 18. Rf2 Bd7 19. Raf1 h4 20. Ng5 Bxg5 21. fxg5 0-0 22. Rf6 Qe7 23. Nf4 Ne8 24. Nxg6 fxg6 25. Rxf8+ Qxf8 26. Rxf8+ Kxf8 27. Qxg6 Ng7 28. Qh7 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.23"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Lukas, Wilmar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1607"]
[BlackElo "1822"]
[PlyCount "58"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 d5 5. Be2 0-0 6. h3 Ne4 7. 0-0 c5 8. c3 c4 9. Nbd2 Nd6 10. Rc1 b5 11. Bxd6 Qxd6 12. e4 dxe4 13. Nxe4 Qc7 14. a4 a6 15. Ra1 Bb7 16. Nc5 Bd5 17. Ng5 Nd7 18. Nxd7 Qxd7 19. Bf3 e6 20. Re1 Rfe8 21. Ne4 Qc6 22. Nd2 b4 23. Rc1 Rab8 24. Be4 Bh6 25. Bxd5 exd5 26. Rxe8+ Qxe8 27. cxb4 Rxb4 28. Rc3 Rxb2 29. Nf3 Qb8 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.22"]
[Round "2"]
[White "Lilienthal, Georg"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1148"]
[BlackElo "1607"]
[PlyCount "42"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bf4 a6 6. e4 d6 7. h3 Nbd7 8. e5 dxe5 9. dxe5 Nh5 10. Bh2 Bh6 11. g4 Bf4 12. Ng5 Bxh2 13. gxh5 Bxe5 14. Qe2 Bf6 15. Nce4 c6 16. Nxh7 Kxh7 17. Rg1 Qa5+ 18. Nd2 Qxh5 19. Nf3 Bxb2 20. Ng5+ Kh6 21. Qxb2 Nf6 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.21"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Hoppensack, Manfred"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1607"]
[BlackElo "1899"]
[PlyCount "49"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 Be7 4. Bd3 0-0 5. h3 b6 6. Ne2 Bb7 7. 0-0 d6 8. c4 Nbd7 9. Nbc3 e5 10. dxe5 Nxe5 11. Bc2 Nxc4 12. b3 Ne5 13. Qb1 Ng6 14. Bg3 Nh5 15. Qe1 Bf6 16. Rc1 Nxg3 17. fxg3 Qe8 18. e4 c6 19. Bb1 Ba6 20. Rxf6 gxf6 21. Nd4 Qe5 22. Nf5 Bc8 23. Nh6+ Kg7 24. Qe3 Qc5 25. Nd1 0-1

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.13"]
[Round "9"]
[White "Tuerk, Bernhard"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1387"]
[BlackElo "1541"]
[PlyCount "62"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 d6 3. d4 Bg7 4. Be3 Nf6 5. Nc3 c6 6. Bd3 0-0 7. 0-0 Nbd7 8. e5 dxe5 9. Nxe5 Nxe5 10. dxe5 Ng4 11. Bf4 Nxe5 12. Bxe5 Bxe5 13. Qd2 Bf5 14. Rad1 Bxd3 15. cxd3 Qc7 16. g3 Rad8 17. Ne2 Rd7 18. d4 Rfd8 19. Qc3 Bg7 20. Rd3 e5 21. Rfd1 e4 22. Re3 Re7 23. b3 Bh6 24. f4 exf3 25. Rxe7 Qxe7 26. Qxf3 Qa3 27. Rf1 Qe7 28. Kg2 Re8 29. Rf2 Qe4 30. Kh3 Qxf3 31. Rxf3 Rxe2 0-1

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.12"]
[Round "8"]
[White "Koeckeritz, Dieter"]
[Black "Mueller, Johannes1111"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1541"]
[BlackElo "1667"]
[PlyCount "50"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. e4 fxe4 4. Ne5 Nf6 5. Bg5 d6 6. Bxf6 Qxf6 7. Ng4 Qf4 8. Ne3 Be7 9. Qg4 Qxg4 10. Nxg4 e5 11. Ne3 exd4 12. Nd5 Bd8 13. Bc4 c6 14. Nf4 d5 15. Nxd5 cxd5 16. Bxd5 Ba5+ 17. c3 dxc3 18. Nxc3 Bxc3+ 19. bxc3 Nc6 20. Bxe4 0-0 21. 0-0 Be6 22. Rfd1 Bc4 23. Rab1 Rab8 24. a4 Rfe8 25. f3 g6 0-1

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.11"]
[Round "7"]
[White "Koeckeritz, Dieter"]
[Black "Thur, Herbert"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1541"]
[BlackElo "1363"]
[PlyCount "55"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. d3 e6 4. Bg2 c5 5. 0-0 Nc6 6. c3 Bd6 7. Nbd2 0-0 8. e4 d4 9. Nc4 Qc7 10. Bg5 Be7 11. e5 Ne8 12. Bxe7 Qxe7 13. Re1 b5 14. Ncd2 Bb7 15. a3 a5 16. c4 b4 17. Ne4 h6 18. Nfd2 Nxe5 19. Nb3 Bxe4 20. Bxe4 Ra7 21. Qh5 f5 22. f4 Nf6 23. Qe2 fxe4 24. fxe5 exd3 25. exf6 Qxf6 26. Qxe6+ Qxe6 27. Rxe6 Raf7 28. Rae1 1-0

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.10"]
[Round "6"]
[White "Sehm, Andreas"]
[Black "Koeckeritz, Dieter"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1749"]
[BlackElo "1541"]
[PlyCount "63"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Be3 Be7 9. 0-0 0-0 10. f3 d5 11. Nxd5 Nxd5 12. exd5 Qxd5 13. Qe1 Qc6 14. c3 Nd7 15. Rd1 Nc5 16. Nc1 Rfd8 17. Qg3 e4 18. Bd4 Bf8 19. b4 Na4 20. fxe4 Nxc3 21. Bxc3 Qxe4 22. Bd3 Qc6 23. Kh1 Rdc8 24. Ba1 g6 25. Qe5 f5 26. Qh8+ Kf7 27. Qxh7+ Ke8 28. Qxg6+ Bf7 29. Rfe1+ Be7 30. Qxf5 Rd8 31. Bf6 Rd7 32. Qg5 1-0

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.08"]
[Round "4"]
[White "Lakakis, Ioannis"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1687"]
[BlackElo "1541"]
[PlyCount "24"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Bc4 e6 4. Nf3 d5 5. exd5 exd5 6. Be2 Nf6 7. Bg5 0-0 8. Nc3 c6 9. 0-0 Qc7 10. Re1 Bf5 11. Nh4 Be6 12. Qd2 Nbd7 1/2-1/2

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.07"]
[Round "3"]
[White "Koeckeritz, Dieter"]
[Black "Augustat, Siegfried"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1541"]
[BlackElo "1737"]
[PlyCount "31"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. Re1 e5 9. c3 b5 10. Nf1 a5 11. Bg5 h6 12. Bxf6 Qxf6 13. Ne3 Be6 14. a3 b4 15. Qa4 Rfc8 16. Nd5 1/2-1/2

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.06"]
[Round "2"]
[White "Kolkwitz, Klaus"]
[Black "Koeckeritz, Dieter"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1730"]
[BlackElo "1541"]
[PlyCount "25"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. 0-0 d5 6. Nbd2 Nbd7 7. Re1 c5 8. c3 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bc2 cxd4 13. Nxd4 1/2-1/2

[Event "Berlin-ch Seniors op 23rd"]
[Site "Berlin"]
[Date "2007.02.05"]
[Round "1"]
[White "Koeckeritz, Dieter"]
[Black "Hoppe, Rainer"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1541"]
[BlackElo "1806"]
[PlyCount "71"]
[EventDate "2007.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c6 7. e4 dxe4 8. Nxe4 Bg4 9. h3 Bxf3 10. Bxf3 Qc7 11. Rb1 e5 12. Be3 Nbd7 13. Qc1 Rfe8 14. Re1 Nd5 15. Bh6 Bh8 16. Nc3 Nxc3 17. bxc3 Rab8 18. Qe3 b6 19. d4 e4 20. Bf4 Qb7 21. Bxb8 Qxb8 22. Bg2 f5 23. Bf1 Bg7 24. f4 Nf6 25. Re2 Nd5 26. Qd2 c5 27. Rg2 Nxc3 28. Bc4+ Kf8 29. Rb3 Bxd4+ 30. Kh2 Nxa2 31. c3 Nxc3 32. Rxc3 b5 33. Rb3 b4 34. Qa2 Qc7 35. Qa6 Qe7 36. g4 1/2-1/2

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.27"]
[Round "7"]
[White "Focke, Wolfgang"]
[Black "Koeckeritz, Dieter"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "1449"]
[BlackElo "1558"]
[PlyCount "76"]
[EventDate "2000.10.16"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Be7 8. f3 0-0 9. Qd2 Nc6 10. 0-0-0 Nxd4 11. Qxd4 b5 12. Bb3 Rb8 13. e5 Ne8 14. h4 d5 15. Ne2 f5 16. g3 a5 17. c3 Bd7 18. Kb1 Nc7 19. h5 b4 20. h6 g6 21. Nf4 Nb5 22. Qd2 bxc3 23. bxc3 Na3+ 24. Ka1 Qe8 25. Nxd5 a4 26. Nxe7+ Qxe7 27. Qxd7 axb3 28. axb3 Nc2+ 29. Kb2 Qa3+ 30. Kxc2 Qxb3+ 31. Kd2 Rfd8 32. Qxd8+ Rxd8+ 33. Ke2 Qc4+ 34. Kf2 Qa2+ 35. Ke1 Rxd1+ 36. Kxd1 Qb1+ 37. Bc1 Qd3+ 38. Ke1 Qxc3+ 0-1

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.20"]
[Round "6"]
[White "Koeckeritz, Dieter"]
[Black "Brener, Svetlana"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1558"]
[BlackElo "1008"]
[PlyCount "45"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. c4 c6 5. e3 Be7 6. Bd3 0-0 7. 0-0 b6 8. Nc3 Nbd7 9. Rc1 Bb7 10. h3 Qc7 11. Qc2 h6 12. Bh4 Rfe8 13. cxd5 exd5 14. Bg3 Bd6 15. Nb5 Qd8 16. Nxd6 Re6 17. Nxb7 Qe8 18. Nd6 Qe7 19. Nf5 Qe8 20. Ne5 Nxe5 21. Bxe5 Qf8 22. Bxf6 Rxf6 23. Ng3 1-0

