[Event "GER-ch Seniors 11th"]
[Site "Bad Wiessee"]
[Date "1999.04.22"]
[Round "2"]
[White "Kuzaj, Helmut"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1910"]
[BlackElo "2210"]
[PlyCount "34"]
[EventDate "1999.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Bf5 4. e3 e6 5. Bd3 Bxd3 6. cxd3 c6 7. 0-0 Be7 8. Qb3 Qb6 9. Nbd2 Nbd7 10. Rac1 0-0 11. h3 Rfe8 12. Rfe1 Nh5 13. Bxe7 Rxe7 14. Qa3 Ree8 15. Nb3 Nhf6 16. Nc5 Nxc5 17. Rxc5 Nd7 1/2-1/2

[Event "GER-ch Seniors 11th"]
[Site "Bad Wiessee"]
[Date "1999.04.21"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Patzer, Joachim"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2210"]
[BlackElo "1783"]
[PlyCount "107"]
[EventDate "1999.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. Ne1 Ne8 11. Be3 f5 12. f3 Na6 13. Nd3 f4 14. Bf2 b6 15. a3 Nc5 16. b4 Nxd3 17. Bxd3 Bd7 18. c5 g5 19. Bb5 Nf6 20. Bxd7 Nxd7 21. Nb5 Nf6 22. cxd6 cxd6 23. Qc6 Nd7 24. Qxd6 Rf6 25. Qc7 Qxc7 26. Nxc7 Rc8 27. Ne6 axb4 28. axb4 Bf8 29. Nxf8 Kxf8 30. Rfc1 Rxc1+ 31. Rxc1 Ke7 32. Rc7 h6 33. Kf1 Kd8 34. Rb7 Kc8 35. Ra7 Rd6 36. Ke2 Kb8 37. Ra1 Kb7 38. h4 Rg6 39. hxg5 hxg5 40. Rh1 Nf6 41. g4 Ka6 42. Rh8 Kb7 43. Rf8 Ka6 44. Rd8 Rh6 45. Rb8 Nd7 46. Rd8 Nf6 47. Rb8 Nd7 48. Rg8 Kb5 49. Rg7 Nf8 50. Rxg5 Kxb4 51. Rxe5 b5 52. Rf5 Nd7 53. e5 Kc4 54. e6 1-0

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Beykirch, Wolfgang"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "87"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Qf4 Nc6 12. h4 cxd4 13. cxd4 Bd7 14. c3 Qe7 15. Nf3 0-0-0 16. Ke2 Kb8 17. Rhb1 Na5 18. Qc1 Rc8 19. a4 Rc7 20. Ra3 Rhc8 21. Kf1 Rg8 22. Ra2 g5 23. Qa3 Qxa3 24. Rxa3 Nc4 25. Bxc4 Rxc4 26. hxg5 hxg5 27. a5 Ra4 28. Rxa4 Bxa4 29. Ke2 Bc2 30. Rb4 Be4 31. g3 Bxf3+ 32. Kxf3 Kc7 33. Kg4 b6 34. axb6+ axb6 35. Ra4 Kb7 36. Ra1 Rg6 37. Rh1 f5+ 38. exf6 Rxf6 39. Re1 Rxf2 40. Rxe6 Rc2 41. Re3 Kc6 42. Kxg5 Kb5 43. g4 Kc4 44. Kf4 1-0

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Heigl, Rudolf"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "47"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. Rc1 Bd7 11. Be2 Be7 12. 0-0 0-0 13. e4 b5 14. e5 bxc4 15. exf6 Bxf6 16. Ne4 Be7 17. Rxc4 Qb6 18. Qc2 Rfd8 19. b3 Be8 20. Nc5 Rac8 21. Qe4 Rd5 22. Nxe6 Bf6 23. Bf3 Rd6 24. Nc5 1-0

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "John, Helmut"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "E97"]
[PlyCount "52"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 a5 10. a3 Nd7 11. Rb1 f5 12. b4 Kh8 13. Qc2 axb4 14. axb4 Nf6 15. b5 b6 16. Bb2 g5 17. Ra1 Rxa1 18. Rxa1 f4 19. h3 h5 20. Ra8 Ng6 21. Qd3 g4 22. hxg4 hxg4 23. Nf1 Nh4 24. Bd1 Nxg2 25. Kxg2 f3+ 26. Kg1 Nh5 0-1

[Event "GER-ch Seniors int 10th"]
[Site "Weilburg"]
[Date "1998.??.??"]
[Round "7"]
[White "Knebel, Willi"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "C15"]
[BlackElo "2230"]
[PlyCount "70"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. e4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. f3 c5 7. Qd2 Nc6 8. Bb2 Nf6 9. 0-0-0 0-0 10. Nh3 Qe7 11. Qf2 Rd8 12. Ng5 Ng4 13. Qh4 h6 14. Qxg4 e5 15. Qxe4 Qxg5+ 16. Kb1 Bf5 17. Qe2 cxd4 18. h4 Qf4 19. g4 Bg6 20. Bc1 Qf6 21. g5 Qe7 22. gxh6 dxc3 23. h5 Bf5 24. Rg1 Nd4 25. Rxd4 Rxd4 26. Rxg7+ Kh8 27. Qe3 Rad8 28. Qxc3 Rc8 29. Bg5 Rxc3 30. Bxe7 Rd1+ 31. Kb2 Rxc2+ 32. Kb3 Rb1+ 33. Ka4 Bd7+ 34. Ka5 b6+ 35. Ka6 Rc7 0-1

[Event "GER-ch Seniors int 10th"]
[Site "Weilburg"]
[Date "1998.??.??"]
[Round "9"]
[White "Lainburg, Victor"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2230"]
[BlackElo "2230"]
[PlyCount "67"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 cxd4 6. dxe6 Bxe6 7. Qxd4 Nc6 8. Qxd8+ Rxd8 9. a3 Na5 10. Nbd2 Nb3 11. Nxb3 Bxb3 12. Bg5 Be7 13. Bg2 Ne4 14. Bxe7 Kxe7 15. 0-0 Nd2 16. Rfc1 Bd5 17. Nxd2 Bxg2 18. Rc7+ Kf6 19. Kxg2 Rxd2 20. Rxb7 Rxe2 21. Rc1 Rhe8 22. Rcc7 R8e7 23. Rxe7 Rxe7 24. Rxe7 Kxe7 25. Kf3 Kd6 26. Ke4 Kc5 27. b3 Kc6 28. Kd4 a6 29. Kc4 a5 30. f4 h5 31. b4 axb4 32. axb4 g6 33. b5+ Kd6 34. Kd4 1-0

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Burnat, Horst"]
[Result "0-1"]
[ECO "D85"]
[BlackElo "1955"]
[PlyCount "64"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Nd7 13. Bb4 Nb6 14. Ra1 Qe6 15. Qb1 Bd7 16. Ra5 Nc8 17. d5 Qb6 18. Qb3 Bg4 19. Qa3 Nd6 20. Bd3 Bxf3 21. gxf3 Qd4 22. Bd2 Nc4 23. Bxc4 Qxd2 24. Rxa7 Qg5+ 25. Kh1 Be5 26. Rd1 Qf4 27. Kg2 Qxh2+ 28. Kf1 Bd6 29. Qa2 Rxa7 30. Qxa7 Rc8 31. Qa2 g5 32. Ke2 g4 0-1

[Event "GER-ch Seniors int 10th"]
[Site "Weilburg"]
[Date "1998.??.??"]
[Round "4"]
[White "Mertins, Klaus"]
[Black "Chernikov, Oleg L"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2230"]
[BlackElo "2405"]
[PlyCount "68"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. Qe2 c6 7. e5 dxe5 8. dxe5 Nd5 9. Bxd5 cxd5 10. Bf4 Bg4 11. 0-0-0 e6 12. h3 Bxf3 13. Qxf3 Nc6 14. Rhe1 Qe7 15. Kb1 f6 16. exf6 Qxf6 17. Bg3 Qxf3 18. gxf3 Bxc3 19. bxc3 Rae8 20. Re3 Rf5 21. Rde1 Kf7 22. Be5 Nxe5 23. Rxe5 Rxf3 24. c4 dxc4 25. Rc5 Rxf2 26. Rxc4 Rf3 27. Rh1 h5 28. Rh2 Kf6 29. a4 b6 30. Kc1 Rd8 31. Rc7 a5 32. Rc6 Rd4 33. Rxb6 Rxa4 34. Rb8 Raf4 0-1

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Ellinger, Peter"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "85"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 c5 11. Rd1 d6 12. e4 fxe4 13. Qxe4 e5 14. h4 Nd7 15. Ng5 Bxg5 16. hxg5 g6 17. Bh3 Qe7 18. Kg2 Rae8 19. a4 Qd8 20. Be3 Nb8 21. Rdb1 Bc8 22. Bxc8 Qxc8 23. a5 bxa5 24. Rxa5 Re7 25. Rab5 Nd7 26. Rb7 Nf6 27. Rxe7 Nxe4 28. Rbb7 Rxf2+ 29. Bxf2 Nxg5 30. Be3 Qh3+ 31. Kf2 Kf8 32. Rec7 Ne4+ 33. Ke2 Qh5+ 34. Kd3 Qd1+ 35. Kxe4 Qg4+ 36. Kd3 Qd1+ 37. Bd2 e4+ 38. Kxe4 Qe2+ 39. Be3 Qxc4+ 40. Bd4 Qe2+ 41. Kf4 Qf1+ 42. Ke4 Qh1+ 43. Kf4 1/2-1/2

[Event "GER-chT Seniors 07th"]
[Site "Bad Wildbad"]
[Date "1998.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Felser, Franz"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2230"]
[PlyCount "76"]
[EventDate "1998.10.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Bxc6 Rb8 10. e3 Qd6 11. Bf3 c5 12. dxc5 Qxc5 13. Qc2 Bb7 14. Nd2 Rfc8 15. Rd1 Rd8 16. Bxb7 Rxb7 17. Nf3 Rxd1+ 18. Qxd1 Rd7 19. Qc2 h6 20. Qe2 Ne4 21. Nd2 Qd5 22. Nxe4 Qxe4 23. f3 Qb7 24. Kf2 Qb4 25. Qc2 Bf6 26. a3 Qb3 27. Qe2 Rb7 28. e4 Bd4+ 29. Kg2 Bxb2 30. Bxb2 Qxb2 31. Ra2 Qxe2+ 32. Rxe2 Rb3 33. Kf2 Rxa3 34. Rc2 Ra4 35. Ke3 e5 36. f4 f6 37. fxe5 fxe5 38. Rf2 Ra3+ 0-1

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Glaser, Helmut F"]
[Result "0-1"]
[ECO "A89"]
[PlyCount "74"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 g6 5. Nc3 Bg7 6. Nf3 0-0 7. 0-0 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. e4 f4 11. b4 g5 12. Re1 a6 13. Bb2 Qe8 14. c5 Ng4 15. f3 Qh5 16. h3 Ne3 17. Rxe3 fxe3 18. g4 Qh4 19. Qe1 Qxe1+ 20. Rxe1 e6 21. Nd1 exd5 22. exd5 Rf4 23. a3 a5 24. Bc3 axb4 25. Bxb4 Bd7 26. Nxe3 Rc8 27. Bd2 Bf8 28. Rc1 Rf7 29. Bb4 Bb5 30. Nf5 Bd3 31. Ng3 Rd8 32. Ne4 h6 33. Nc3 Rf4 34. Rd1 Rd4 35. Bf1 Bxf1 36. Rxf1 Kf7 37. Re1 Rc4 0-1

[Event "GER-ch Seniors int 10th"]
[Site "Weilburg"]
[Date "1998.??.??"]
[Round "8"]
[White "Mertins, Klaus"]
[Black "Hellwege, Werner"]
[Result "1-0"]
[ECO "A79"]
[WhiteElo "2230"]
[PlyCount "49"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 c5 4. d5 d6 5. Nf3 Nf6 6. Nc3 0-0 7. Be2 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Bd7 12. Nc4 Qc7 13. Bf4 Bf8 14. a4 Nh5 15. Bg5 f6 16. Bh4 g5 17. Be1 Nb4 18. g3 Ng7 19. f4 Be7 20. Bg4 b6 21. fxg5 fxg5 22. e5 Bxg4 23. Qxg4 dxe5 24. d6 Qc8 25. d7 1-0

[Event "GER-chT Seniors 07th"]
[Site "Bad Wildbad"]
[Date "1998.??.??"]
[Round "7"]
[White "Mertins, Klaus"]
[Black "Helmsen, Franz"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2230"]
[PlyCount "21"]
[EventDate "1998.10.04"]
[EventType "team-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. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Nd2 Bxg2 10. Kxg2 c5 11. d5 1/2-1/2

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Kuhn, Wilfried"]
[Result "1/2-1/2"]
[ECO "D41"]
[BlackElo "2177"]
[PlyCount "71"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nc6 12. 0-0 b6 13. Rad1 Bb7 14. Rfe1 Rc8 15. d5 exd5 16. Bxd5 Qc7 17. Qg5 h6 18. Qg4 Rfd8 19. h3 Ne7 20. Nd4 Ba6 21. Re3 Qe5 22. Nf5 Nxf5 23. exf5 Qf6 24. Ra3 Bc4 25. Bxc4 Rxd1+ 26. Qxd1 Rxc4 27. Rxa7 Qxf5 28. Ra8+ Kh7 29. Ra3 Qc5 30. Qf3 Rc1+ 31. Kh2 Rc2 32. Qxf7 Rxf2 33. Rf3 Qe5+ 34. Kh1 Rd2 35. Rf2 Rd5 36. Qf4 1/2-1/2

[Event "GER-chT Seniors 07th"]
[Site "Bad Wildbad"]
[Date "1998.??.??"]
[Round "5"]
[White "Mertins, Klaus"]
[Black "Mayer, Franz"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2230"]
[BlackElo "1891"]
[PlyCount "87"]
[EventDate "1998.10.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[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 Nc6 5. Nge2 e5 6. d5 Nce7 7. Be3 f5 8. f3 Nf6 9. Qd2 f4 10. Bf2 a6 11. Nc1 Bd7 12. a4 g5 13. b4 h5 14. Nb3 h4 15. c5 g4 16. Na5 Qc8 17. Nc4 g3 18. hxg3 fxg3 19. Be3 dxc5 20. Bxc5 Bh6 21. Be3 Bg7 22. d6 Ng6 23. dxc7 Qxc7 24. Bb6 Qc6 25. Nd6+ Kf8 26. Nc4 Rc8 27. Bc5+ Kg8 28. Nd6 Bh6 29. Qa2+ Kh7 30. Qf7+ Bg7 31. Nxc8 Be6 32. Qxg6+ Kxg6 33. Ne7+ Kg5 34. Nxc6 bxc6 35. Bxa6 Nd7 36. Be3+ Kg6 37. b5 Nb8 38. Bb7 cxb5 39. axb5 Nd7 40. Bd5 Rc8 41. Bxe6 Rxc3 42. Bf5+ Kh5 43. Kd2 Rc7 44. Rxh4+ 1-0

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Reinhold, Klaus"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. dxc5 bxc5 8. Nc3 Be7 9. 0-0 0-0 10. Rd1 Qb6 11. Bf4 Rd8 12. Qc2 d6 13. Rd2 Nc6 14. Bg5 h6 15. Bxf6 Bxf6 16. Rad1 Nb4 17. Qb3 Rab8 18. a3 Nd5 19. Nb5 a6 20. Ne1 Bg5 21. e3 Nxe3 22. Rxd6 Rxd6 23. Rxd6 Qa5 24. Nc3 Nxg2 25. Nxg2 Qc7 26. Qb6 Qc8 27. Ne1 Be7 28. Rd2 Bf6 29. Qd6 Ba8 30. Qd3 Rb3 31. Qc2 Qb8 32. Kf1 Bd4 33. Nd1 Qb7 34. h4 Qh1+ 35. Ke2 Rb8 36. b4 Bc6 37. Nc3 Qh2 38. Nd1 Qh3 39. Qb3 Qg4+ 40. Kf1 e5 41. Nc3 Bf3 0-1

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Soentges, Karl Heinz"]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "86"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. Nxe5 Nxe5 8. 0-0 0-0 9. Nc3 a5 10. Na4 Be7 11. b3 d6 12. Bb2 Bf6 13. f4 Nc6 14. e4 Bxb2 15. Nxb2 Qf6 16. Qd2 Re8 17. Bf3 Nd4 18. Rae1 b6 19. Na4 Bb7 20. Nc3 Nxf3+ 21. Rxf3 a4 22. b4 Re7 23. e5 Qf5 24. Rfe3 Qxf4 25. exd6 Rxe3 26. Rxe3 Qxd6 27. Qxd6 cxd6 28. Re7 Rb8 29. Rd7 Bc6 30. Rxd6 Rc8 31. b5 Be8 32. Rd4 Ra8 33. Nd5 Rb8 34. Rd3 f5 35. Ra3 Bf7 36. Ne7+ Kf8 37. Nc6 Re8 38. Rxa4 Re1+ 39. Kf2 Re8 40. Ra6 Bxc4 41. a4 Re2+ 42. Kf3 g5 43. Rxb6 Ra2 1/2-1/2

[Event "GER-chT Seniors 07th"]
[Site "Bad Wildbad"]
[Date "1998.??.??"]
[Round "2"]
[White "Ottmann, Josef"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C07"]
[BlackElo "2230"]
[PlyCount "59"]
[EventDate "1998.10.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qd6 8. 0-0 Nc6 9. Qe2 0-0 10. Ne4 Nxe4 11. Qxe4 h6 12. Bf4 Qe7 13. Rad1 Rd8 14. a3 Bd6 15. Bxd6 Rxd6 16. Qf4 Rxd1 17. Rxd1 Bd7 18. b4 a6 19. h3 Be8 20. Qe4 Rd8 21. Rxd8 Qxd8 22. Bd3 Qf6 23. Qe3 Kf8 24. Be4 Nd8 25. c4 Qe7 26. c5 Bc6 27. Ne5 Bb5 28. Qd4 Qc7 29. Bc2 Nc6 30. Nxc6 1/2-1/2

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Rickers, Gerhard"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2080"]
[PlyCount "107"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Be2 Bd6 7. 0-0 0-0 8. Qc2 e5 9. cxd5 cxd5 10. Nb5 Bb8 11. dxe5 Nxe5 12. Nbd4 Bg4 13. Bd2 Ne4 14. Bb4 Nxf3+ 15. Bxf3 Bxf3 16. Nxf3 Bd6 17. Bxd6 Qxd6 18. Rac1 b6 19. Rfd1 Rfd8 20. Nd4 g6 21. Qc6 Qe7 22. Rc2 Nf6 23. h3 h6 24. b4 Kh7 25. a3 Kg8 26. Rdc1 Kh7 27. Qb5 Rd7 28. Qa4 Ne4 29. Rc6 Kg7 30. R1c2 Re8 31. Qb5 Red8 32. Qe2 h5 33. Qd3 Rb7 34. Nf3 Rd6 35. Qd4+ f6 36. Qb2 Rbd7 37. Nd4 Rxc6 38. Rxc6 Nd6 39. Qc2 Kh7 40. Ne2 Kg7 41. Nf4 Qf7 42. a4 g5 43. Ne2 Qg6 44. Qd1 Nf5 45. b5 h4 46. Qc1 Qe8 47. Rc7 Rxc7 48. Qxc7+ Qe7 49. Qxe7+ Nxe7 50. Nd4 Kg6 51. Kf1 f5 52. Nc6 Nc8 53. Ke2 Kf6 54. g3 1-0

[Event "GER-chT Seniors 07th"]
[Site "Bad Wildbad"]
[Date "1998.??.??"]
[Round "4"]
[White "Schlag, Franz"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2195"]
[BlackElo "2230"]
[PlyCount "43"]
[EventDate "1998.10.04"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 f6 7. 0-0 c4 8. b3 cxb3 9. axb3 Bd7 10. c4 dxc4 11. Bxc4 fxe5 12. d5 exd5 13. Qxd5 0-0-0 14. Be3 Qc7 15. Bxa7 Nf6 16. Qf7 e4 17. Nd4 Ne5 18. Nb5 Nxf7 19. Nxc7 Kxc7 20. Bxf7 Bb4 21. Bd4 Bc6 22. Na3 1/2-1/2

[Event "GER-ch28 V02 corr"]
[Site "GER corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Schulze, Joachim"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 Qb6 8. 0-0 cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Qb4 13. Qc2 Qc5 14. Qb1 b6 15. Bd2 Qc7 16. Rc1 Qb8 17. Bxh7 Ba6 18. Bf4 Qb7 19. Nd4 Rc8 20. Nxe6 Rxc1+ 21. Bxc1 fxe6 22. Qg6+ Kd8 23. Bg5+ Kc7 24. Rc1+ Nc5 25. b4 Qc6 26. bxc5 bxc5 27. Bg8 1-0

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "6"]
[White "Heemsoth, Hermann"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D33"]
[BlackElo "2230"]
[PlyCount "47"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. cxd5 exd5 6. d4 Nc6 7. Nc3 h6 8. Bf4 Bg4 9. Be3 c4 10. Ne5 Bb4 11. Qa4 Bd7 12. Nxd7 Qxd7 13. 0-0 0-0 14. Qc2 a6 15. a3 Ba5 16. Rad1 b5 17. Bf4 Rfe8 18. h4 Rad8 19. Rd2 Qa7 20. e3 Qd7 21. b4 cxb3 22. Qxb3 Bb6 23. Rc1 Na5 24. Qa2 1/2-1/2

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "4"]
[White "Hoffmann, Hans"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2210"]
[BlackElo "2230"]
[PlyCount "73"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 c5 4. g3 Be7 5. Bb2 Bf6 6. Nc3 b6 7. cxd5 exd5 8. Bg2 Bb7 9. d4 Ne7 10. 0-0 Nbc6 11. e3 cxd4 12. exd4 0-0 13. Re1 Nf5 14. Ba3 Be7 15. Bxe7 Ncxe7 16. Rc1 Rc8 17. Qd3 Rc7 18. Bh3 Bc8 19. Bg2 Nd6 20. Ng5 Bf5 21. Qd2 Ne8 22. Nh3 Nf6 23. Nf4 Qd7 24. Re3 g5 25. Rce1 Be4 26. Nfxd5 Nexd5 27. Nxe4 Nxe4 28. Rxe4 f6 29. h4 h6 30. Re6 Rf7 31. Qd3 Rg7 32. Qf3 Ne7 33. hxg5 fxg5 34. d5 Ng6 35. d6 Rc5 36. Qe4 Nf8 37. Rxh6 1-0

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "3"]
[White "Mertins, Klaus"]
[Black "Franck, Rudolf"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2230"]
[PlyCount "80"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. d3 Nc6 5. Nbd2 g6 6. 0-0 Bg7 7. e4 0-0 8. exd5 Nxd5 9. a4 b6 10. Re1 Bb7 11. Nc4 Qc7 12. Bd2 Rad8 13. Qc1 Rfe8 14. Bh6 Bh8 15. h4 Nd4 16. Nxd4 Bxd4 17. Ne3 Nxe3 18. Bxe3 Bxg2 19. Kxg2 Qc6+ 20. f3 c4 21. Bxd4 Rxd4 22. Qe3 e5 23. a5 cxd3 24. c3 Rd6 25. axb6 Qxb6 26. Qxb6 Rxb6 27. b4 Rc6 28. Ra3 f5 29. Kf2 e4 30. fxe4 fxe4 31. Ke3 Rf6 32. Rxa7 Rf3+ 33. Kd2 Rxg3 34. b5 Rg2+ 35. Ke3 Rb2 36. Rb7 Rc8 37. Ra1 Re2+ 38. Kf4 Rf8+ 39. Kg5 Rf5+ 40. Kg4 h5+ 0-1

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "7"]
[White "Mertins, Klaus"]
[Black "Ousatchi, Mark"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2230"]
[BlackElo "2265"]
[PlyCount "127"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 0-0 7. e3 h6 8. Bf4 c6 9. Bd3 Nh5 10. Nge2 Nxf4 11. Nxf4 Bd6 12. Nfe2 Qf6 13. Ng3 Re8 14. 0-0-0 b5 15. Bf5 Na6 16. Bxc8 Raxc8 17. Kb1 Nb4 18. Qf5 Qxf5+ 19. Nxf5 Bf8 20. a3 Na6 21. Rd2 Nb8 22. Re2 a5 23. Na2 Nd7 24. Rc1 Nb6 25. Nh4 Nc4 26. Nf3 Bd6 27. Nd2 f5 28. Nxc4 bxc4 29. Nc3 Rb8 30. Ka2 Kf7 31. g3 Kf6 32. f3 Rbd8 33. e4 Bb8 34. Rce1 dxe4 35. fxe4 Rxd4 36. exf5 Rxe2 37. Rxe2 Kxf5 38. Re8 Be5 39. Ra8 Rd2 40. Rxa5 Ke6 41. Kb1 Rxh2 42. Rc5 Bxg3 43. Rxc6+ Kd7 44. Rxc4 h5 45. a4 h4 46. a5 h3 47. a6 Rf2 48. Ne4 Rf1+ 49. Rc1 Rxc1+ 50. Kxc1 Bb8 51. Kd1 Kc6 52. Ke2 Kb5 53. Kf3 Kxa6 54. Nf2 h2 55. Kg2 Kb5 56. Ng4 Kc4 57. Nxh2 Be5 58. b3+ Kxb3 59. Ng4 Bd4 60. Kf3 Kc4 61. Ke4 Kc5 62. Kf5 Kd6 63. Kg6 Ke6 64. Nh6 1/2-1/2

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Romahn, Herbert"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2230"]
[PlyCount "47"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. d3 Bd6 5. Nbd2 Bd7 6. 0-0 Nc6 7. e4 dxe4 8. dxe4 Qc8 9. Re1 Be7 10. Nc4 0-0 11. Nfe5 Nxe5 12. Nxe5 Rd8 13. Nxd7 Rxd7 14. Qe2 c6 15. Be3 Qc7 16. Rad1 a6 17. Rxd7 Nxd7 18. Rd1 Rd8 19. f4 Bc5 20. Qf2 Bxe3 21. Qxe3 Nf6 22. Rxd8+ Qxd8 23. Bf3 b6 24. c4 1/2-1/2

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "5"]
[White "Mertins, Klaus"]
[Black "Starck, Bodo"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2230"]
[BlackElo "2290"]
[PlyCount "68"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Be7 8. Rc1 0-0 9. Bd3 Bd7 10. 0-0 Nh5 11. Be5 f5 12. a3 Nf6 13. Na4 Ne4 14. Nc5 Nxc5 15. dxc5 Nxe5 16. Nxe5 Be8 17. b4 Bf6 18. Nf3 Bh5 19. Be2 Bxf3 20. Bxf3 g5 21. g3 g4 22. Bg2 h5 23. Qb3 Rc8 24. Rfd1 Qc7 25. b5 Qe5 26. Qa4 Qb8 27. Rc2 h4 28. Rdc1 hxg3 29. hxg3 Be5 30. b6 axb6 31. cxb6 Rxc2 32. Rxc2 Rc8 33. Bf1 Rxc2 34. Qxc2 Kf7 1/2-1/2

[Event "GER-chT Seniors 06th"]
[Site "Potsdam"]
[Date "1997.??.??"]
[Round "2"]
[White "Schmidt, Niels Peter"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "D52"]
[BlackElo "2230"]
[PlyCount "80"]
[EventDate "1997.08.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. Bd3 c5 11. 0-0 cxd4 12. Nb5 Qb8 13. Rc1 Bd7 14. Ne5 Qxe5 15. exd4 Qb8 16. Nc7+ Kd8 17. Nxa8 Qxa8 18. Qb3 Bc6 19. Bb5 Bd5 20. Qg3 Ne8 21. Bxe8 Kxe8 22. Rfe1 Qd8 23. Rc2 Bc6 24. Qg4 h5 25. Qd1 Be7 26. Re5 Bf6 27. Rxh5 Rxh5 28. Qxh5 Qxd4 29. Qe2 Qd5 30. f3 Qxa2 31. Rd2 g6 32. Qd3 Kf8 33. Qd6+ Kg7 34. Qb4 a5 35. Qf4 a4 36. h4 Qb1+ 37. Kf2 Bb5 38. h5 Qf1+ 39. Kg3 Qe1+ 40. Kh3 Qh1+ 0-1

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "3"]
[White "Matthes, Manfred"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2230"]
[PlyCount "26"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c6 4. h3 Bf5 5. e3 Qb6 6. b3 e6 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nbd2 Be7 10. 0-0 0-0 11. c4 c5 12. Rfe1 Rfd8 13. Rad1 Rac8 1/2-1/2

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "2"]
[White "Mertins, Klaus"]
[Black "Lundquist, Rolf"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2230"]
[BlackElo "2280"]
[PlyCount "56"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Qc2 Nf6 8. g3 0-0 9. Bg2 d5 10. 0-0 e6 11. Rd1 Qc7 12. Bg5 h6 13. Be3 Ba6 14. cxd5 cxd5 15. Rac1 Qe7 16. Qa4 Qb7 17. Rd4 Nd7 18. Nxd5 exd5 19. Rxd5 Nb6 20. Bxb6 Rac8 21. Rxc8 Qxc8 22. Rc5 Qe6 23. Qxa6 axb6 24. Rc6 Qf5 25. Rxb6 Bd4 26. Bf3 Bxb6 27. Qxb6 Qb1+ 28. Kg2 Qxa2 1/2-1/2

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "6"]
[White "Mertins, Klaus"]
[Black "Nautsch, Werner"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2230"]
[BlackElo "2295"]
[PlyCount "87"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 Re8 7. Na3 c6 8. Bh6 Bh8 9. g4 e5 10. dxe5 dxe5 11. Qxd8 Rxd8 12. Rd1 Rxd1+ 13. Kxd1 b5 14. Nh3 Bg7 15. Bxg7 Kxg7 16. Nf2 Be6 17. b3 a5 18. Kc2 Nbd7 19. Kb2 Nc5 20. Be2 Kf8 21. Rd1 Ke7 22. Rd2 Nfd7 23. Nc2 Nb6 24. Nd3 Nxd3+ 25. Rxd3 h5 26. gxh5 Rh8 27. f4 exf4 28. Nd4 Bd7 29. h4 c5 30. Nc2 Be6 31. Rd1 b4 32. Rg1 Kf6 33. Rg5 Nd7 34. Ne1 gxh5 35. Nd3 c4 36. Nxf4 bxc3+ 37. Kxc3 cxb3 38. axb3 Rc8+ 39. Kb2 Rc5 40. Nxh5+ Ke7 41. Nf4 Rxg5 42. hxg5 Nc5 43. Nxe6 Nxe6 44. Ka3 1/2-1/2

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "4"]
[White "Mertins, Klaus"]
[Black "Poehl, Hermann"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2230"]
[PlyCount "133"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Bc4 e6 4. Bb3 d6 5. f4 d5 6. e5 h5 7. Nf3 Nh6 8. Be3 Nd7 9. c3 Bf8 10. h3 Nf5 11. Bf2 h4 12. Nbd2 Be7 13. Nf1 c5 14. Ne3 c4 15. Bc2 b5 16. a3 Nb6 17. 0-0 Bd7 18. Ng4 Bc6 19. Qe1 Nd7 20. a4 a6 21. axb5 axb5 22. Rxa8 Bxa8 23. Qa1 Qb8 24. Qa5 Bc6 25. Ra1 Qb7 26. Ng5 Bd8 27. Qa6 Kf8 28. Qxb7 Bxb7 29. Nh2 Kg7 30. Bxf5 gxf5 31. Nhf3 Bb6 32. Nxh4 Nf8 33. g4 Ng6 34. Nxg6 Kxg6 35. Kg2 Ra8 36. Rxa8 Bxa8 37. Nf3 Bc6 38. Nh4+ Kh7 39. gxf5 Bd8 40. f6 Ba5 41. Be1 Kh6 42. Kf3 Kh5 43. f5 Bd7 44. Kf4 b4 45. fxe6 Bxe6 46. Nf5 bxc3 47. bxc3 Kg6 48. Ne7+ Kh5 49. h4 Bd8 50. Nf5 Kg6 51. Ng7 Bd7 52. h5+ Kh6 53. Bd2 Bc7 54. Kg3+ Kh7 55. Kh4 Bd8 56. Kg5 Ba5 57. Nf5 Bd8 58. Ne3 Bc6 59. Ng2 Ba5 60. Nf4 Bc7 61. Kf5 Bd7+ 62. Kg5 Bc6 63. e6 Bxf4+ 64. Kxf4 fxe6 65. Ke5 Bd7 66. Kd6 Bc8 67. Ke7 1-0

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "7"]
[White "Mertins, Klaus"]
[Black "Rost van Tonningen, Otto"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2230"]
[BlackElo "2305"]
[PlyCount "119"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. Re1 Nbd7 7. e4 e5 8. d5 a5 9. c4 Nc5 10. Nc3 Nh5 11. Be3 b6 12. Bxc5 bxc5 13. Nd2 Bd7 14. Bf3 Nf6 15. Rb1 h5 16. b3 Bh6 17. a3 Rb8 18. a4 Ne8 19. Nb5 Qg5 20. Rb2 h4 21. Bg2 h3 22. Bf1 Rb7 23. Kh1 Nf6 24. Qe2 Ng4 25. Nf3 Qh5 26. Ng1 f5 27. f3 Ne3 28. Bxh3 Rf7 29. Qf2 f4 30. Bxd7 Rxd7 31. g4 Qg5 32. Qd2 Qh4 33. Qxa5 Rh7 34. Qd2 Bg5 35. a5 Rb8 36. a6 Ra8 37. a7 Bd8 38. Ra1 Kf7 39. Qf2 Qh6 40. Qe2 Kg7 41. b4 cxb4 42. Rxb4 Rh8 43. Rb2 Qh4 44. Nc3 Kf6 45. Nd1 Qh6 46. Nxe3 fxe3 47. Rb8 Be7 48. Rxh8 Qxh8 49. Qxe3 Kf7 50. Kg2 Qh4 51. Qf2 Qh6 52. Nh3 Rh8 53. a8Q Qxh3+ 54. Kg1 Rxa8 55. Rxa8 Bg5 56. Rc8 Qh6 57. Rxc7+ Kf6 58. Kg2 Be3 59. Qg3 Bd4 60. g5+ 1-0

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "1"]
[White "Nietsch, Horst"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C11"]
[BlackElo "2230"]
[PlyCount "116"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Ne2 Qb6 10. c3 a5 11. g4 Ba6 12. f5 b4 13. Nf4 bxc3 14. bxc3 cxd4 15. fxe6 fxe6 16. Nxd4 Nxd4 17. Bxd4 Bc5 18. Bxa6 Qxa6 19. Qd3 0-0 20. Qxa6 Rxa6 21. Rf1 Rb8 22. Nd3 Rc6 23. Kd2 Rbc8 24. Rac1 Bxd4 25. cxd4 Nb6 26. Nc5 Nc4+ 27. Kd3 Nxe5+ 28. dxe5 Rxc5 29. Rxc5 Rxc5 30. Rb1 Rc4 31. Rb6 Kf7 32. Rb7+ Kg6 33. Rb6 Rxg4 34. Rxe6+ Kf7 35. Rd6 Ra4 36. Rxd5 Rxa2 37. Rd7+ Kf8 38. h4 Ra4 39. Ra7 Rxh4 40. Rxa5 Rg4 41. Ke3 Ke7 42. Kf3 Rg1 43. Kf4 Rf1+ 44. Ke4 Rd1 45. Ra7+ Rd7 46. Ra3 Rb7 47. Rh3 h6 48. Kf5 Rb6 49. Rg3 Kf7 50. Ke4 g6 51. Rf3+ Ke7 52. Rh3 h5 53. Rg3 Kf7 54. Rf3+ Kg7 55. Kd5 Ra6 56. e6 Ra7 57. Kd6 Ra6+ 58. Ke5 Ra5+ 1/2-1/2

[Event "GER-chT Seniors 05th"]
[Site "Freudenstadt"]
[Date "1996.??.??"]
[Round "5"]
[White "Stimpel, Franz"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2255"]
[BlackElo "2230"]
[PlyCount "51"]
[EventDate "1996.09.23"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. cxd5 Nxd5 8. Qb3 f6 9. Bh4 N7b6 10. Rc1 Nxc3 11. bxc3 Qa3 12. Rc2 Bd7 13. Nd2 Qxb3 14. axb3 c5 15. Be2 Rc8 16. 0-0 cxd4 17. exd4 Nd5 18. c4 Nf4 19. Bf3 Bc6 20. Bg3 Bxf3 21. Nxf3 Nh5 22. Rd1 Nxg3 23. hxg3 Bb4 24. Ne1 Bxe1 25. Rxe1 Kf7 26. Rce2 1/2-1/2

[Event "Oberliga Bayern 9495"]
[Site "Bayern"]
[Date "1995.??.??"]
[Round "?.5"]
[White "Albrecht, Hans"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2091"]
[BlackElo "2230"]
[PlyCount "77"]
[EventDate "1994.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nuernberg Noris Tarrasch"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. h4 Nc6 12. Qf4 Qa5 13. Nf3 cxd4 14. Nxd4 Nxd4 15. Qxd4 Bd7 16. Rhb1 b6 17. a4 Rc8 18. Bb5 Rc5 19. Qb4 Qxb4 20. cxb4 Rc7 21. Bd3 Ke7 22. b5 g5 23. Rb4 f6 24. exf6+ Kxf6 25. a5 e5 26. axb6 axb6 27. f3 Bf5 28. Ra6 Rb8 29. hxg5+ hxg5 30. c4 Bxd3 31. Kxd3 dxc4+ 32. Rxc4 Rd8+ 33. Kc3 Rxc4+ 34. Kxc4 Rd4+ 35. Kc3 Rd6 36. Ra8 Rd5 37. Kc4 Rd4+ 38. Kc3 Rd5 39. Kc4 1/2-1/2

[Event "Oberliga Bayern 9495"]
[Site "Bayern"]
[Date "1995.??.??"]
[Round "?.6"]
[White "Enigl, Karl"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2205"]
[BlackElo "2230"]
[PlyCount "66"]
[EventDate "1994.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Regensburg DJK"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Bg4 5. dxc5 e6 6. 0-0 Bxc5 7. c4 Nge7 8. cxd5 exd5 9. Nbd2 0-0 10. Nb3 Bb6 11. Bg5 h6 12. Bxe7 Qxe7 13. Qd2 Rad8 14. e3 Bxf3 15. Bxf3 Ne5 16. Bg2 Qf6 17. Rad1 Nf3+ 18. Bxf3 Qxf3 19. Nd4 Qe4 20. a4 Rfe8 21. Qb4 Rc8 22. b3 Re7 23. Rc1 Rec7 24. Rxc7 Rxc7 25. Qd6 Rc3 26. Qb8+ Kh7 27. Qxb7 Bxd4 28. exd4 Qxd4 29. Qxf7 Rxb3 30. Qf5+ Kh8 31. Qc8+ Kh7 32. Qf5+ Kg8 33. Qc8+ Kh7 1/2-1/2

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Kauder, Hartmut"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "2230"]
[PlyCount "88"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 b6 5. 0-0 Be7 6. b3 Bb7 7. Bb2 c5 8. cxd5 exd5 9. d4 0-0 10. Nc3 Nc6 11. Rc1 Re8 12. Qd3 c4 13. Qb1 cxb3 14. axb3 Bb4 15. e3 Bd6 16. Rfd1 Qe7 17. Nb5 Bb8 18. Ne5 Nxe5 19. dxe5 Ng4 20. Rxd5 Bxd5 21. Bxd5 Bxe5 22. Bxa8 Qf6 23. Rc2 Bxb2 24. Qxb2 Qxb2 25. Rxb2 Rxa8 26. Nc7 Rc8 27. Nd5 Rc1+ 28. Kg2 Nf6 29. Nxf6+ gxf6 30. b4 a6 31. Kf3 Rc4 32. e4 a5 33. bxa5 bxa5 34. Ra2 Rc5 35. Ke3 Kg7 36. Kd4 Rb5 37. h4 Kg6 38. g4 h5 39. f3 hxg4 40. fxg4 Rb1 41. Rxa5 Rg1 42. h5+ Kg7 43. Rf5 Rxg4 44. Ke3 Rg1 1/2-1/2

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Braun, Gottfried"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2230"]
[BlackElo "2330"]
[PlyCount "36"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. d3 Bg4 4. Bg2 Qc8 5. h3 Bd7 6. c3 Nc6 7. e4 Nf6 8. g4 g6 9. Be3 Bg7 10. Nbd2 0-0 11. Qc2 Re8 12. d4 d5 13. Nxe5 Nxe5 14. dxe5 Nxe4 15. Nxe4 dxe4 16. Bxe4 Rxe5 17. Bd4 Rxe4+ 18. Qxe4 Bc6 0-1

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Etzold, Ernst Walter"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2230"]
[PlyCount "33"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 Nbd7 7. e4 dxe4 8. dxe4 e5 9. Qe2 Qe7 10. b3 b6 11. Bb2 Bb7 12. Rad1 Rad8 13. Rfe1 Rfe8 14. Qc4 Qc5 15. Qxc5 Nxc5 16. Bxe5 Bxe4 17. Nxe4 1/2-1/2

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Kasueschke, Gregor"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2230"]
[PlyCount "52"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. 0-0 Nbd7 7. d3 Bc5 8. Nbd2 Qe7 9. Qe1 e5 10. e4 dxe4 11. dxe4 Bg4 12. Nc4 Bxf3 13. Bxf3 0-0 14. Rd1 Rad8 15. Rd3 b5 16. Ne3 g6 17. Qe2 Bb6 18. Rfd1 Nc5 19. Ba3 a5 20. Bxc5 Bxc5 21. Qd2 Bb6 22. Rd6 Bc7 23. Nf5 gxf5 24. Qg5+ Kh8 25. Rxf6 Rxd1+ 26. Bxd1 Bd8 0-1

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Matthes, Manfred"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2230"]
[PlyCount "24"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. d4 Bg4 6. c3 e6 7. Qa4 Bxf3 8. Bxf3 Be7 9. dxc5 Bxc5 10. Nd2 0-0 11. e4 Ne5 12. Bg2 a6 1/2-1/2

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Oehlmann, Dieter"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2077"]
[BlackElo "2230"]
[PlyCount "86"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nc3 a6 7. Ba4 b5 8. Bc2 Nb6 9. Nf3 Be7 10. 0-0 0-0 11. d4 Bb7 12. Re1 Nbxd5 13. Bg5 Re8 14. Ne5 Qd6 15. Ne4 Nxe4 16. Bxe7 Rxe7 17. Bxe4 Rae8 18. Qf3 g6 19. Kf1 c5 20. Ng4 h5 21. Nf6+ Nxf6 22. Bxb7 Qxh2 23. g3 Qh3+ 24. Qg2 Rxe1+ 25. Rxe1 Rxe1+ 26. Kxe1 Qe6+ 27. Kd1 Qxa2 28. dxc5 Qb1+ 29. Kd2 Qxb2+ 30. Kd3 Qb3+ 31. Kd4 Qc4+ 32. Ke5 Nd7+ 33. Kd6 Nxc5 34. Bd5 Qd4 35. Qf3 Ne6 36. Ke7 Qc5+ 37. Kf6 Qd4+ 38. Ke7 Qb4+ 39. Kd7 Kf8 40. Qf6 Qd4 41. Qe7+ Kg7 42. Kc6 Qe5 43. f4 Nd4+ 0-1

[Event "Oberliga Bayern 9495"]
[Site "Bayern"]
[Date "1995.??.??"]
[Round "?.5"]
[White "Schoenau, Werner"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2280"]
[BlackElo "2230"]
[PlyCount "119"]
[EventDate "1994.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Marktheidenfeld"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. g3 d5 2. Bg2 c5 3. c4 Nf6 4. Nf3 Nc6 5. cxd5 Nxd5 6. Nc3 Nc7 7. 0-0 e5 8. d3 Be7 9. Ne1 0-0 10. b3 Be6 11. Bb2 Nd5 12. Nxd5 Bxd5 13. e4 Be6 14. f4 f6 15. Nc2 Qd7 16. Ne3 exf4 17. Rxf4 Bd6 18. Rf2 Be5 19. Nd5 Bxb2 20. Rxb2 Bxd5 21. exd5 Nb4 22. d4 Qd6 23. Rc1 Rac8 24. a3 Nxd5 25. Rd2 Ne3 26. dxc5 Qe5 27. Bd5+ Nxd5 28. Rxd5 Qe3+ 29. Kg2 Rfe8 30. Rd3 Qe5 31. b4 a5 32. Rc4 Qb2+ 33. Rc2 Qe5 34. Qf3 Qe1 35. Rdd2 axb4 36. axb4 Qe7 37. Re2 Qc7 38. Qd5+ Kf8 39. Rxe8+ Rxe8 40. b5 Rd8 41. Qe4 Qa5 42. Re2 Qc7 43. Qxh7 Rc8 44. Qh8+ Kf7 45. Qh5+ Kf8 46. h4 Qd7 47. c6 bxc6 48. Qc5+ Kf7 49. Rc2 Qd3 50. bxc6 Rc7 51. h5 Qe4+ 52. Kf2 Re7 53. c7 Qe1+ 54. Kg2 Re2+ 55. Rxe2 Qxe2+ 56. Qf2 Qe4+ 57. Kh2 Qc4 58. h6 Qxc7 59. h7 Qc8 60. g4 1/2-1/2

[Event "GER-chT Seniors 04th"]
[Site "Bad Schandau"]
[Date "1995.??.??"]
[Round "?"]
[White "Stumpf, Walter"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "2230"]
[PlyCount "100"]
[EventDate "1995.07.24"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 c5 6. c4 Nc6 7. cxd5 exd5 8. a3 c4 9. Nh4 Be6 10. Nc3 Qb6 11. e3 g5 12. Nf3 g4 13. Ne5 0-0-0 14. Nxc6 Qxc6 15. b3 Be7 16. bxc4 Qxc4 17. Bb2 Qa6 18. Qd2 Kb8 19. Rfc1 Rc8 20. Bf1 Qa5 21. Bd3 Rc6 22. Ne4 Qxd2 23. Nxd2 Rhc8 24. Kf1 Rb6 25. Rxc8+ Bxc8 26. Bc3 Bd7 27. a4 Bb4 28. Bxb4 Rxb4 29. a5 Bb5 30. Bxb5 Rxb5 31. Ra2 Kc7 32. f3 b6 33. axb6+ Kxb6 34. Ke2 a5 35. e4 dxe4 36. fxe4 Rh5 37. Kd3 Rb5 38. Nc4+ Ka6 39. Ra3 h5 40. Nd6 Rb2 41. Rxa5+ Kxa5 42. Nc4+ Kb5 43. Nxb2 Nh7 44. Nc4 Ng5 45. Nd2 Kc6 46. Ke3 Kd6 47. Nc4+ Ke7 48. Nd2 Kd6 49. Nf1 Ke6 50. Nd2 Kd6 1/2-1/2

[Event "Oberliga Bayern 9394"]
[Site "Bayern"]
[Date "1994.05.08"]
[Round "9.1"]
[White "Fuchs, Gerhard"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2130"]
[BlackElo "2230"]
[PlyCount "99"]
[EventDate "1993.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nuernberg Grundig SC"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 Bd7 5. b3 a6 6. Bxc6 Bxc6 7. 0-0 Nf6 8. Bb2 g6 9. Qe1 Bg7 10. d3 0-0 11. Nbd2 Re8 12. Ne5 Rc8 13. Qh4 e6 14. g4 Nd7 15. g5 Nxe5 16. Bxe5 Bxe5 17. fxe5 h5 18. Rf6 Qa5 19. Qf2 Qc3 20. Rf1 Qxe5 21. Rxf7 Qxg5+ 22. Kh1 Qh6 23. Qf6 Rf8 24. Qxe6 Rxf7 25. Rxf7 d4+ 26. e4 Rf8 27. Rf6+ Kh7 28. Qe7+ Kg8 29. Rxf8+ Qxf8 30. Qxf8+ Kxf8 31. Nf3 Ke7 32. Kg2 Kf6 33. h4 Bd7 34. Nh2 g5 35. Kg3 gxh4+ 36. Kxh4 c4 37. bxc4 Ba4 38. Nf3 Bxc2 39. e5+ Ke7 40. Nxd4 Bxd3 41. c5 Bg6 42. Kg5 Be8 43. e6 h4 44. Kxh4 Kf6 45. e7 Kxe7 46. Kg5 Bd7 47. Kf4 Kd8 48. Ke5 Kc7 49. Kd5 Bh3 50. Kc4 1/2-1/2

[Event "Oberliga Bayern 9394"]
[Site "Bayern"]
[Date "1994.04.17"]
[Round "8.1"]
[White "Mertins, Klaus"]
[Black "Karlik, Jiri"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2230"]
[BlackElo "2300"]
[PlyCount "60"]
[EventDate "1993.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Muenchen Siemens"]
[BlackTeam "Kelheim SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Bd6 8. Bg3 Ne4 9. Nxe4 dxe4 10. Nd2 Bb4 11. Bc4 Qa5 12. a3 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 0-0 15. b4 Bd7 16. Rac1 Rac8 17. Rc3 Ne7 18. Bd6 Rfe8 19. Bxe7 Rxe7 20. Rhc1 Kf8 21. Bb3 Rxc3 22. Rxc3 Bc6 23. Rc5 Rd7 24. Kc3 Ke7 25. b5 Bd5 26. Bxd5 exd5 27. Kb4 Kd6 28. a4 b6 29. Rc6+ Ke7 30. a5 Rd6 1/2-1/2

[Event "Oberliga Bayern 9394"]
[Site "Bayern"]
[Date "1994.03.20"]
[Round "7.1"]
[White "Mertins, Klaus"]
[Black "Dobosz, Henryk"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2230"]
[BlackElo "2430"]
[PlyCount "74"]
[EventDate "1993.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Muenchen Siemens"]
[BlackTeam "Marktheidenfeld"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bf4 a6 7. e3 Bg4 8. Bd3 e6 9. Rc1 Rc8 10. 0-0 Be7 11. Na4 Nd7 12. a3 b5 13. Nc3 0-0 14. b4 Nb6 15. Ne2 Bxf3 16. gxf3 Nc4 17. Bxc4 dxc4 18. Nc3 Qb6 19. Rb1 Rcd8 20. Qe2 e5 21. dxe5 Rd3 22. Rfc1 f6 23. e6 f5 24. Kh1 Bf6 25. Qe1 Re8 26. e4 Rxe6 27. Be3 Qb7 28. Nd5 Ne5 29. Qe2 fxe4 30. fxe4 Rxd5 31. exd5 Qxd5+ 32. f3 Nxf3 33. Rd1 Nd4+ 34. Qg2 Qxg2+ 35. Kxg2 Rxe3 36. a4 bxa4 37. Rbc1 c3 0-1

[Event "Oberliga Bayern 9394"]
[Site "Bayern"]
[Date "1994.02.27"]
[Round "6.1"]
[White "Salac, Jiri"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2260"]
[BlackElo "2230"]
[PlyCount "70"]
[EventDate "1993.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Erlangen TB"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 c6 4. c3 Bf5 5. Qb3 Qb6 6. Nbd2 Nbd7 7. e3 Nh5 8. Be2 Nxf4 9. exf4 h6 10. Ne5 Nxe5 11. fxe5 e6 12. 0-0 Be7 13. f4 Qxb3 14. axb3 0-0 15. b4 Rfc8 16. Ra2 Rc7 17. Rfa1 b6 18. Ra6 c5 19. dxc5 bxc5 20. b5 c4 21. Nf3 Bc5+ 22. Nd4 Rb7 23. R1a5 Rab8 24. Kf2 Bxd4+ 25. cxd4 Rxb5 26. Rxb5 Rxb5 27. Rxa7 Rxb2 28. Ke3 Rb3+ 29. Kd2 c3+ 30. Ke3 c2+ 31. Kd2 Rb4 32. g3 Rxd4+ 33. Kc1 Re4 34. Bd3 Re1+ 35. Kxc2 Re2+ 0-1

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Escher, Franz"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "2220"]
[PlyCount "27"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Be6 7. Ne2 Qh4 8. Bf4 0-0-0 9. Nd2 Bxf4 10. Qxf4 Qxf4 11. Nxf4 Nh6 12. Nxe6 Rde8 13. 0-0 Rxe6 14. Rae1 1/2-1/2

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Didzuhn, Werner"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2220"]
[PlyCount "51"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. h3 h6 10. Be3 Re8 11. Qd2 Kh7 12. Rad1 Qe7 13. b3 c6 14. Qc2 Nc5 15. Bxc5 Qxc5 16. Nd2 Bf5 17. Nde4 Bxe4 18. Bxe4 Rad8 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 Qd4 22. Qd3 Nd7 23. e3 Qxd3 24. Bxd3 f5 25. e4 Nc5 26. Bc2 1/2-1/2

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Kasueschke, Gregor"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2220"]
[PlyCount "46"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 a6 6. Bf4 Nc6 7. e3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Bd3 Be7 11. 0-0 0-0 12. Rac1 Rc8 13. Rfd1 Qd7 14. Ne2 Nb4 15. Bb1 b5 16. Ng3 Rxc1 17. Rxc1 Rc8 18. Qd1 g6 19. Bg5 Nc6 20. Ne2 Ne8 21. Bxe7 Nxe7 22. Nf4 Rxc1 23. Qxc1 Qc6 1/2-1/2

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Kripp, Wolfgang"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2220"]
[BlackElo "2145"]
[PlyCount "116"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 Bd7 7. Qxd4 Qa5+ 8. Nc3 Nc6 9. Qf4 Bxc5 10. e3 Nf6 11. Bd2 Bb4 12. Nf3 0-0 13. Rd1 Be6 14. a3 Bxc3 15. Bxc3 Nd5 16. Bxa5 Nxf4 17. Bd2 Ng6 18. Be2 Bb3 19. Rc1 Rfe8 20. Bc4 Bxc4 21. Rxc4 Rac8 22. 0-0 b5 23. Rc3 Nce5 24. Nxe5 Nxe5 25. Rxc8 Rxc8 26. Bc3 f6 27. Rd1 Nc4 28. Kf1 Nxa3 29. bxa3 Rxc3 30. Rd8+ Kf7 31. Rd7+ Kg6 32. Rxa7 Rc1+ 33. Ke2 Ra1 34. Ra5 Ra2+ 35. Kf3 h5 36. Kg3 Rb2 37. f3 Ra2 38. Rxb5 Rxa3 39. e4 Kh6 40. Rb6 Ra5 41. h3 Rg5+ 42. Kf2 Ra5 43. h4 Kh7 44. Rd6 Kg6 45. Ke3 Kf7 46. Rd5 Ra3+ 47. Kf4 g6 48. Rd7+ Kf8 49. Rb7 Ra5 50. Rd7 Rb5 51. Rd5 Rb2 52. g4 hxg4 53. fxg4 Rf2+ 54. Kg3 Rf1 55. h5 gxh5 56. gxh5 Kg7 57. Rd2 Rh1 58. Kg4 Rg1+ 1/2-1/2

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Schmidt, Lief Carl"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "2220"]
[PlyCount "68"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 c6 6. d5 d6 7. Nh3 0-0 8. 0-0 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Bf4 Ne4 12. Nxe4 fxe4 13. Qxe4 Nc5 14. Qc2 Bf5 15. Qd2 Re8 16. Rad1 Qc8 17. Ng5 h6 18. Bxd6 Na4 19. Nf3 Nxb2 20. Rc1 Qe6 21. c5 Qxe2 22. Qxe2 Rxe2 23. Rfe1 Rae8 24. Rxe2 Rxe2 25. Bf1 Re8 26. Nh4 Nd3 27. Rb1 Be4 28. f3 Bd4+ 29. Kg2 Nf4+ 30. Bxf4 Bxb1 31. Bxh6 Bxc5 32. Bc4+ Kh7 33. Bf4 Be7 34. Kh3 g5 0-1

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Mertins, Klaus"]
[Black "Starck, Bodo"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2220"]
[BlackElo "2290"]
[PlyCount "90"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Qe7+ 7. Qe2 Bg4 8. Qxe7+ Bxe7 9. Ne2 Nd7 10. Ng3 Nb6 11. Bb3 0-0 12. h3 Be6 13. Bxe6 fxe6 14. 0-0 Rfd8 15. c3 c5 16. dxc5 Bxc5 17. Ne4 Be7 18. Be3 Nc4 19. Bc5 Kf7 20. Bxe7 Kxe7 21. Rfd1 f5 22. Ng5 Nxb2 23. Rdb1 h6 24. Nxe6 Kxe6 25. Rxb2 Rd7 26. Re1+ Kf6 27. Rb5 Rc8 28. Ree5 g6 29. h4 Rxc3 30. h5 a6 31. Rbd5 Rd3 32. Rxd3 Rxd3 33. Re2 b5 34. hxg6 b4 35. Rc2 Rc3 36. Rd2 a5 37. Kf1 Kxg6 38. Ke2 Kg5 39. Rd3 Rc2+ 40. Rd2 Rxd2+ 41. Kxd2 a4 42. Kd3 f4 43. Kc4 f3 44. g3 Kg4 45. Kxb4 Kh3 0-1

[Event "GER-chT Seniors 03rd"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Schichtel, Heinz"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C12"]
[BlackElo "2220"]
[PlyCount "25"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Be3 c5 10. Bd3 Nxc3 11. dxc5 Qa5 12. Nf3 Nd7 13. 0-0 1/2-1/2

[Event "Oberliga Bayern 9495"]
[Site "Bayern"]
[Date "1994.??.??"]
[Round "?.6"]
[White "Schlosser, Andree"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "2230"]
[PlyCount "23"]
[EventDate "1994.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Groebenzell"]
[BlackTeam "Muenchen Siemens"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bd3 Nc6 6. Nce2 Nb4 7. Nf3 c6 8. Ng3 Nxd3+ 9. Qxd3 Bd6 10. Nf5 Bxf5 11. Qxf5 Qe7+ 12. Be3 1/2-1/2

[Event "Oberliga Bayern 9394"]
[Site "Bayern"]
[Date "1993.10.10"]
[Round "1.1"]
[White "Mertins, Klaus"]
[Black "Wach, Markus"]
[Result "1/2-1/2"]
[ECO "A92"]
[WhiteElo "2230"]
[BlackElo "2345"]
[PlyCount "130"]
[EventDate "1993.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Muenchen Siemens"]
[BlackTeam "Pang/Rosenheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Be7 5. Bg2 0-0 6. Nf3 Ne4 7. 0-0 Bf6 8. Ne1 d5 9. cxd5 exd5 10. Qb3 c6 11. e3 Qe7 12. Nd3 Nd7 13. f4 Nb6 14. Ne5 Be6 15. a4 Nc8 16. a5 a6 17. Qc2 Ncd6 18. Na4 Rae8 19. Nc5 Bxe5 20. fxe5 Nf7 21. Nxe4 fxe4 22. b3 Ng5 23. Rxf8+ Qxf8 24. Ba3 Qf7 25. Rf1 Nf3+ 26. Bxf3 exf3 27. Qd1 Bg4 28. Rf2 Qh5 29. Qc2 Bf5 30. Qc5 Qg4 31. Qb4 Qe4 32. Qd2 h5 33. Qd1 Bg4 34. h3 Bxh3 35. Qxf3 Qg6 36. Qf4 Bg4 37. Bf8 h4 38. Bd6 hxg3 39. Qxg3 Re6 40. Rf8+ Kh7 41. Rf4 Qb1+ 42. Rf1 Qxb3 43. Kg2 Qc2+ 44. Rf2 Qe4+ 45. Kg1 Bf5 46. Rg2 Rg6 47. Qh2+ Rh6 48. Qg3 Rg6 49. Qh2+ Kg8 50. Rxg6 Qb1+ 51. Kf2 Bxg6 52. Qf4 Qc2+ 53. Kg3 Be4 54. e6 Qg2+ 55. Kh4 Kh7 56. Qg3 Qh1+ 57. Qh2 Qxh2+ 58. Bxh2 Kg6 59. e7 Kf7 60. Bd6 Bf5 61. Kg5 Bd7 62. Bc5 g6 63. Bb4 Be8 64. Bc5 Ke6 65. Bb4 Kf7 1/2-1/2

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "8"]
[White "Drechsler, Hans"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D61"]
[BlackElo "2230"]
[PlyCount "29"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 c6 6. Nc3 0-0 7. Qc2 Nbd7 8. a3 Re8 9. Bd3 Nf8 10. 0-0 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. Nxd5 cxd5 14. Bb5 Bd7 15. Bxd7 1/2-1/2

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "4"]
[White "Heissenbuettel, Hans Erich"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A13"]
[BlackElo "2230"]
[PlyCount "27"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 d4 4. d3 c5 5. g3 Nc6 6. Bg2 Bd6 7. Nbd2 Nf6 8. 0-0 0-0 9. Ne1 e5 10. Ne4 Nxe4 11. dxe4 Rb8 12. Nd3 a5 13. Bd2 Ra8 14. a4 1/2-1/2

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "4"]
[White "Krogius, Nikolai V"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2465"]
[BlackElo "2230"]
[PlyCount "59"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. Re1 Qc7 10. h3 Re8 11. Be3 h6 12. Qc2 Nf8 13. Rad1 Kh8 14. Re2 Ng8 15. c5 dxc5 16. dxe5 b6 17. Red2 Be6 18. b4 Nd7 19. bxc5 Nxe5 20. Nxe5 Bxe5 21. f4 Bg7 22. cxb6 axb6 23. Nb5 Qe7 24. Qxc6 Rxa2 25. Rxa2 Bxa2 26. Nd6 Rb8 27. Bxb6 Qe6 28. Rd3 Bb1 29. Ra3 g5 30. f5 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "6"]
[White "Ladstetter, Josef"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D36"]
[BlackElo "2230"]
[PlyCount "24"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. cxd5 exd5 6. Bg5 Be7 7. Qc2 0-0 8. e3 Nbd7 9. Bd3 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 1/2-1/2

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "7"]
[White "Mertins, Klaus"]
[Black "Blachmann, Horst"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2230"]
[PlyCount "53"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nd7 4. d3 e5 5. e4 d4 6. c3 c5 7. 0-0 Ne7 8. Na3 Nc6 9. h4 Be7 10. Nc4 f6 11. a4 Nb6 12. Nxb6 Qxb6 13. Nd2 Be6 14. c4 Nb4 15. Qb3 Qc7 16. Nb1 Qd7 17. Bd2 a5 18. Bxb4 axb4 19. Nd2 0-0 20. Qd1 Bh3 21. b3 Bxg2 22. Kxg2 f5 23. exf5 Rxf5 24. Ne4 Raf8 25. Qe2 Qe6 26. Rh1 h5 27. Ra2 1/2-1/2

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "11"]
[White "Mertins, Klaus"]
[Black "Fels, Karl Heinz"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2230"]
[PlyCount "41"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 h6 5. e3 0-0 6. Bd3 c6 7. Nge2 d5 8. b3 Nbd7 9. a3 Be7 10. 0-0 b6 11. cxd5 cxd5 12. Bb2 Bb7 13. b4 a6 14. f3 Rc8 15. Qa4 b5 16. Qb3 Nb6 17. Nb1 Nc4 18. Bxc4 dxc4 19. Qd1 Nd5 20. Qd2 f5 21. Nbc3 1/2-1/2

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Fluegel, Wilhelm"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2230"]
[PlyCount "191"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Bc4 e6 4. Nc3 c6 5. Nf3 d5 6. Bb3 dxe4 7. Nxe4 Nf6 8. Nc5 b6 9. Nd3 0-0 10. 0-0 Ba6 11. Re1 Bxd3 12. Qxd3 Nbd7 13. Bf4 Re8 14. Rad1 Qc8 15. Bd6 Bf8 16. Bg3 Qb7 17. c3 a5 18. a4 b5 19. axb5 Qxb5 20. Qc2 a4 21. Ba2 Bg7 22. Ne5 Nxe5 23. Bxe5 Nd7 24. Bxg7 Kxg7 25. Re3 Rab8 26. Rb1 Qa6 27. Qc1 Nf8 28. Rh3 Qe2 29. Re3 Qa6 30. c4 Qa5 31. Ra3 Red8 32. Qd1 Qa7 33. Rxa4 Qxd4 34. Qxd4+ Rxd4 35. b4 Nd7 36. g3 Nb6 37. Ra6 Nxc4 38. Rxc6 Nd2 39. Rb2 Rbxb4 40. Rxb4 Rxb4 41. Rc7 Kf6 42. Rc1 g5 43. h3 h5 44. Kg2 g4 45. hxg4 hxg4 46. Rc2 Nf3 47. Rc4 Rxc4 48. Bxc4 Ke5 49. Ba6 f5 50. Kf1 Nd4 51. Bb7 f4 52. gxf4+ Kxf4 53. Kg2 e5 54. Ba6 Nf5 55. Bb7 e4 56. Bc6 Nh4+ 57. Kf1 Kf3 58. Ba4 Ng6 59. Bd1+ Kf4 60. Kg2 Ne5 61. Ba4 Nf3 62. Bb5 Nh4+ 63. Kf1 Nf5 64. Ba6 Nd4 65. Kg2 Nf5 66. Bb5 e3 67. fxe3+ Nxe3+ 68. Kg1 g3 69. Bc6 Kg4 70. Bb7 Kf4 71. Bc6 Kg4 72. Bb7 Kf4 73. Bc6 Nf5 74. Kg2 Nh4+ 75. Kh3 Nf3 76. Kg2 Ne1+ 77. Kf1 Nc2 78. Kg2 Ne3+ 79. Kg1 Kg4 80. Bb7 Kh3 81. Bc8+ Kh4 82. Bb7 Kg4 83. Bc6 Nc4 84. Kg2 Kf4 85. Bb7 Ne5 86. Bd5 Ng6 87. Bb7 Nh4+ 88. Kg1 Kg4 89. Bc6 Ng6 90. Bb7 Nf4 91. Bc6 Nd3 92. Kg2 Kf4 93. Bb7 Ne1+ 94. Kf1 Nf3 95. Kg2 Nh4+ 96. Kg1 1/2-1/2

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "5"]
[White "Mertins, Klaus"]
[Black "Hoffmann, Hans"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2230"]
[BlackElo "2225"]
[PlyCount "37"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Nh5 8. Be5 f6 9. Bg3 g6 10. Bd3 Nxg3 11. hxg3 Bg7 12. Rxh7 Kf7 13. Rxh8 Bxh8 14. Qe2 Bd7 15. Nh4 Ne7 16. f4 Qb6 17. 0-0-0 Rg8 18. Rh1 Bg7 19. Nxg6 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "3"]
[White "Mertins, Klaus"]
[Black "Kolnsberg, Klaus"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2230"]
[PlyCount "87"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. d5 d6 6. e4 Bg4 7. Be2 0-0 8. 0-0 Nbd7 9. h3 Bxf3 10. Bxf3 a6 11. Be2 Re8 12. g4 h6 13. Bf4 g5 14. Bg3 Nh7 15. Qd2 Ndf8 16. Nd1 Ng6 17. Ne3 Qb6 18. Nf5 Bf8 19. Bd1 e6 20. Ne3 Nf6 21. dxe6 fxe6 22. f3 Red8 23. a4 Rab8 24. a5 Qc6 25. Ba4 Qc7 26. Bc2 Nd7 27. Ng2 Nde5 28. b3 Bg7 29. Ra2 Nc6 30. h4 Bd4+ 31. Kh1 Qe7 32. h5 Nge5 33. Bd1 Nb4 34. Ra4 Rf8 35. Rxb4 cxb4 36. Qxd4 Rbd8 37. Be2 Nc6 38. Qb6 Qg7 39. c5 dxc5 40. Qxc5 Rd2 41. Bc4 Re8 42. Ne3 Qc3 43. Qf5 Nd8 44. Be5 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "9"]
[White "Mertins, Klaus"]
[Black "Moeckel, Edgar"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2230"]
[PlyCount "69"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 e6 5. Nc3 Nc6 6. a3 Nf6 7. Bf4 Bd6 8. Bg5 a6 9. e3 h6 10. Bh4 Bd7 11. Bd3 Rc8 12. Bxf6 Qxf6 13. Na4 Qd8 14. Rc1 0-0 15. Nc5 Bxc5 16. Rxc5 Nxd4 17. exd4 Rxc5 18. dxc5 Qa5+ 19. Qd2 Qxc5 20. 0-0 Rc8 21. Ne5 Be8 22. Bb1 Bb5 23. Re1 f6 24. Nd3 Qd4 25. Qf4 Qb6 26. Rc1 Rc4 27. Rxc4 Bxc4 28. Qb8+ Kf7 29. Nf4 f5 30. Qe5 d4 31. Nh5 Kg6 32. Qxg7+ Kxh5 33. g4+ Kh4 34. Qg6 Qxb2 35. Qh5# 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "5"]
[White "Mertins, Klaus"]
[Black "Schlag, Franz"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2230"]
[PlyCount "75"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 c5 4. 0-0 g6 5. d3 Bg7 6. e4 d6 7. c3 Nf6 8. Re1 0-0 9. Nbd2 Nfd7 10. d4 cxd4 11. Nxd4 Na6 12. f4 Nc7 13. a4 a6 14. Qb3 e5 15. N4f3 exf4 16. gxf4 Ne6 17. Nf1 Ndc5 18. Qc2 d5 19. e5 d4 20. b4 d3 21. Qb2 d2 22. Qxd2 Nb3 23. Qxd8 Raxd8 24. Be3 Nxa1 25. Rxa1 Rd3 26. Ne1 Rd7 27. Bxb7 Rxb7 28. Nd2 f6 29. exf6 Bxf6 30. Ne4 Be7 31. Nd3 Rf5 32. Re1 b5 33. a5 Rc7 34. Bb6 Rc8 35. Ng3 Rf6 36. Ne4 Rf5 37. Ng3 Rf6 38. Ne4 1/2-1/2

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "6"]
[White "Mertins, Klaus"]
[Black "Theil, Reimer"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2230"]
[PlyCount "107"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. g3 Qa5 6. Bg2 Nbd7 7. a3 e5 8. b4 Qc7 9. dxe5 dxe5 10. Bb2 Be7 11. Rc1 0-0 12. 0-0 Rfe8 13. h3 Bxf3 14. Bxf3 Bf8 15. Qc2 Rad8 16. Rfd1 Nb8 17. Rxd8 Rxd8 18. Rd1 Rxd1+ 19. Nxd1 Nbd7 20. c5 Nd5 21. Qd3 b6 22. cxb6 N7xb6 23. Nc3 Qd6 24. Ne4 Qc7 25. Qc2 h6 26. Nc5 Bd6 27. Nb3 Ne7 28. Bc1 Qd7 29. g4 Nbd5 30. Na5 Nf4 31. Bxf4 exf4 32. Bxc6 Qe6 33. Bf3 h5 34. Qc4 Qe5 35. Nb7 hxg4 36. hxg4 Qa1+ 37. Kg2 Qf6 38. Nxd6 Qxd6 39. a4 g6 40. a5 Kf8 41. b5 g5 42. Qe4 Ng6 43. Qa8+ Kg7 44. Qd5 Nh4+ 45. Kf1 Qf6 46. Qd2 Qa1+ 47. Qe1 Qb2 48. Bc6 Qb3 49. Qa1+ f6 50. f3 Qb4 51. b6 Qc5 52. b7 Qb4 53. Be4 a6 54. Qb1 1-0

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "2"]
[White "Mertins, Klaus"]
[Black "Von Janta, Lothar"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2230"]
[PlyCount "95"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 c6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 a6 8. Bd3 Bd6 9. Bg5 Bd7 10. 0-0 h6 11. Bh4 Be7 12. Rc1 Rc8 13. Na4 Nb4 14. Rxc8 Bxc8 15. Bb1 Nd7 16. Bxe7 Qxe7 17. a3 Nc6 18. b4 0-0 19. Qd3 g6 20. Rc1 Kg7 21. h4 f5 22. Nc5 Nb6 23. Nxa6 Nc4 24. Nc5 b6 25. Na4 Qa7 26. Qb3 Bd7 27. Nb2 b5 28. Nxc4 bxc4 29. Qb2 Rb8 30. Bc2 Qa6 31. Rb1 Na7 32. a4 Nc8 33. b5 Qa5 34. Qa3 Qd8 35. Qc5 Be8 36. Ne5 Qb6 37. Qa3 Ra8 38. Qb4 Ra7 39. Qc5 Ra8 40. Qb4 Ra7 41. g3 g5 42. hxg5 hxg5 43. Qc5 Ra8 44. Kg2 Rb8 45. Rh1 Nd6 46. Nc6 Qxc5 47. dxc5 Nxb5 48. Nxb8 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Wolffram, Gert"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2230"]
[PlyCount "81"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. c4 g6 5. Nc3 Bg7 6. 0-0 0-0 7. d3 d6 8. a3 Bd7 9. Rb1 a5 10. Ne1 Qc8 11. Nc2 Bh3 12. Bd2 Bxg2 13. Kxg2 b6 14. e4 e5 15. Bg5 Nd4 16. Bxf6 Bxf6 17. Nd5 Bd8 18. Nxd4 cxd4 19. f4 f5 20. exf5 Rxf5 21. fxe5 dxe5 22. Rxf5 Qxf5 23. Qe2 Bg5 24. Nxb6 Rb8 25. Nd5 Rb3 26. Rd1 Kg7 27. h4 Be3 28. Nxe3 dxe3 29. Qxe3 Rxb2+ 30. Rd2 Rb3 31. a4 Rb1 32. Rf2 Qe6 33. d4 e4 34. d5 Qe5 35. Qf4 Qxf4 36. Rxf4 Rb2+ 37. Kf1 e3 38. d6 Rd2 39. c5 Rd5 40. Rc4 Kf7 41. c6 1-0

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "10"]
[White "Oud, Niek"]
[Black "Mertins, Klaus"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "2230"]
[PlyCount "103"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Qc2 Ne4 8. Bh4 Bb4 9. Rc1 Qxa2 10. Bd3 Nxc3 11. bxc3 Qxc2 12. Rxc2 Bd6 13. 0-0 dxc4 14. Bxc4 h6 15. Nd2 g5 16. Bg3 Bxg3 17. hxg3 b6 18. f4 g4 19. f5 e5 20. Ne4 f6 21. Be6 Rf8 22. c4 a5 23. d5 c5 24. Rb1 Ra6 25. Rcb2 Ke7 26. d6+ Ke8 27. Bxd7+ Bxd7 28. Rxb6 Ra8 29. Nxc5 Bxf5 30. e4 Bc8 31. Rb8 Rxb8 32. Rxb8 Kf7 33. d7 Bxd7 34. Rxf8+ Kxf8 35. Nxd7+ Ke7 36. Nc5 f5 37. exf5 Kf6 38. Kf2 Kxf5 39. Ke3 h5 40. Kd3 Kg5 41. Ke4 h4 42. Kxe5 h3 43. Ne4+ Kg6 44. gxh3 gxh3 45. Nf2 h2 46. c5 a4 47. Kd4 Kf5 48. c6 Ke6 49. g4 a3 50. Kc3 Kd6 51. g5 Kxc6 52. g6 1-0

[Event "ENG BPCF corr"]
[Site "England"]
[Date "1993.??.??"]
[Round "51"]
[White "Ruthen, Stephen W"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "90"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. g3 Be7 9. Bh3 cxd4 10. cxd4 0-0 11. Ne2 f5 12. 0-0 g5 13. Nxg5 Bxg5 14. fxg5 Ndxe5 15. b3 Nf7 16. Bg2 Rd8 17. h4 Nd6 18. Kh2 Bd7 19. Ba3 Ne4 20. Bxe4 dxe4 21. Bc5 Qc7 22. Nf4 Ne5 23. dxe5 Qxc5 24. Qd6 Qxd6 25. exd6 Kf7 26. Nh5 Bb5 27. Rfc1 Bc6 28. Rd1 h6 29. gxh6 Rh8 30. Nf4 Rxh6 31. Rac1 Rd8 32. Rc5 Kf6 33. a4 Rh7 34. Rc2 Rhd7 35. Rcd2 e5 36. Nh3 e3 37. Rd3 Bf3 38. Re1 Rxd6 39. Rxd6+ Rxd6 40. Rxe3 Rd2+ 41. Kg1 Rg2+ 42. Kf1 Rxg3 43. Ng5 Bg2+ 44. Kf2 Rxe3 45. Kxe3 a5 0-1

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "7"]
[White "Schmitzer, Horst"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2305"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. b3 Nc6 4. Bb5 Nf6 5. Bb2 Bg4 6. h3 Bh5 7. g4 Bg6 8. Bxc6+ bxc6 9. d3 Nd7 10. Nbd2 Qc7 11. Qe2 e5 12. 0-0-0 Be7 13. Rdg1 f6 14. Nh4 Bf7 15. Nf5 Bf8 16. f4 g6 17. Ng3 Be7 18. f5 0-0-0 19. h4 Kb8 20. Rh2 Rdg8 21. Nf3 Qd8 22. Qf2 h6 23. e4 Ka8 24. Qe1 g5 25. hxg5 hxg5 26. Rgh1 Bd6 27. Rh7 Qe8 28. c4 d4 29. Kc2 Rxh7 30. Rxh7 Rh8 31. Qh1 Rxh7 32. Qxh7 Qg8 33. Qh2 Bc7 34. Bc1 Ba5 35. Qh6 Kb7 36. Nh5 Bd8 37. Bd2 Be7 38. Ng3 1/2-1/2

[Event "GER-chT Seniors 02nd"]
[Site "Schwaebisch Gmuend"]
[Date "1993.??.??"]
[Round "3"]
[White "Sutterer, Robert"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2235"]
[BlackElo "2230"]
[PlyCount "124"]
[EventDate "1993.05.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Bd3 Nxd2 9. Qxd2 c5 10. Nf3 Nc6 11. 0-0 Qa5 12. dxc5 Qxc5 13. Rfe1 Bd7 14. Re3 Rc8 15. Rae1 Na5 16. Nd4 a6 17. Rg3 g6 18. Bf1 Nc4 19. Qf4 Qe7 20. Qc1 Qa3 21. Qf4 Qxa2 22. Qf6 Rg8 23. Nf5 exf5 24. e6 Bxe6 25. Rxe6+ fxe6 26. Qxe6+ Kd8 27. Qxg8+ Kc7 28. Qxd5 Kb8 29. Rxg6 Qb1 30. Rg8 Nb6 31. Qe5+ Ka7 32. Rxc8 Nxc8 33. Qxf5 Nb6 34. Qc5 Qxc2 35. f4 Qg6 36. Qd4 Qb1 37. Qc5 Kb8 38. f5 Nd7 39. Qd5 Qb6+ 40. Qd4 Kc7 41. g4 Qxd4+ 42. cxd4 Nf6 43. h3 Kd6 44. Kf2 b5 45. Ke3 Kc6 46. Kd3 a5 47. Bg2+ Kd6 48. Kc3 Kd7 49. Bf3 Kd6 50. h4 Nh7 51. Be2 Kc6 52. Bd3 Kb6 53. Be4 Kc7 54. Bf3 Kd6 55. Kd3 Kd7 56. Be2 Kd6 57. Ke3 b4 58. Kd3 a4 59. Bf3 a3 60. Kc2 Nf6 61. g5 hxg5 62. hxg5 Nh7 1/2-1/2

[Event "Wch Seniors 03rd"]
[Site "Bad Wildbad"]
[Date "1993.??.??"]
[Round "2"]
[White "Tochtermann, Georg"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2230"]
[PlyCount "47"]
[EventDate "1993.11.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. g3 d5 4. Bg2 Nc6 5. 0-0 Bg4 6. c3 Bxf3 7. Bxf3 Nf6 8. Nd2 0-0 9. e4 e6 10. Re1 Ne7 11. Qb3 b6 12. exd5 exd5 13. Nf1 c6 14. Bg5 h6 15. Bxf6 Bxf6 16. Ne3 h5 17. Re2 Qd7 18. Rae1 Rfd8 19. Ng2 Rac8 20. Nf4 Rc7 21. Bg2 h4 22. Bh3 Qd6 23. Qc2 Rf8 24. Ng2 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "6"]
[White "Baumgartner, Walter"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "E01"]
[BlackElo "2225"]
[PlyCount "49"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c6 5. Qc2 Bd6 6. Nbd2 b6 7. Bg2 Bb7 8. 0-0 Nbd7 9. b3 0-0 10. Bb2 Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qe2 c5 15. Rad1 Rad8 16. dxc5 Bxc5 17. Bxf6 Qxf6 18. Ne5 Qe7 19. Nc6 Bxc6 20. Bxc6 Rd6 21. Bf3 Rfd8 22. Rxd6 Qxd6 23. Rd1 Qxd1+ 24. Qxd1 Rxd1+ 25. Bxd1 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "8"]
[White "Blank, Alexander"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C06"]
[BlackElo "2225"]
[PlyCount "95"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. a3 0-0 13. b4 e5 14. dxe5 Nxe5 15. Nfd4 Nxd3 16. Qxd3 Ng4 17. g3 Ne5 18. Qb3 Bh3 19. Qxd5+ Kh8 20. Rd1 Ng4 21. Bf4 Bxf4 22. Nxf4 Rad8 23. Qc5 Qxc5 24. bxc5 Nxf2 25. Kxf2 g5 26. Nb5 gxf4 27. Rxd8 Rxd8 28. Nd6 fxg3+ 29. Kxg3 Be6 30. Nxb7 Rd4 31. Rc1 h5 32. c6 h4+ 33. Kf3 Bd5+ 34. Ke3 Re4+ 35. Kd3 Ra4 36. Nd8 Be4+ 37. Ke3 Bf5 38. Nf7+ Kg7 39. Nd6 Rxa3+ 40. Kf4 Be6 41. c7 Ra2 42. c8Q Bxc8 43. Rxc8 Rxh2 44. Rc7+ Kg6 45. Rxa7 Rb2 46. Kg4 Rb4+ 47. Kh3 Kf6 48. Ra5 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "10"]
[White "Drechsler, Hans"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "2225"]
[PlyCount "71"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e6 2. e4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nxd5 Qxd5 7. Nf3 Nc6 8. Be2 Bf5 9. 0-0 0-0-0 10. Qa4 Bd3 11. Bxd3 Qxd3 12. a3 Be7 13. b4 Bf6 14. Ra2 Kb8 15. Qc2 Rhe8 16. Qxd3 Rxd3 17. Rd1 b5 18. Kf1 Kb7 19. Re1 Rxe1+ 20. Kxe1 Rb3 21. Kd1 Rd3 22. Ke2 Rd5 23. Bb2 Bxb2 24. Rxb2 Ne5 25. Nxe5 Rxe5+ 26. Kf3 Rf5+ 27. Ke3 Rh5 28. h3 c5 29. bxc5 Rxc5 30. d4 Rc3+ 31. Ke2 Rxa3 32. Rxb5+ Kc7 33. Rf5 f6 34. Rc5+ Kd7 35. Rb5 Kc7 36. Rc5+ 1/2-1/2

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "7"]
[White "Hevendehl, Hanns Adolf"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2225"]
[PlyCount "77"]
[EventDate "1992.09.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 c5 4. c3 Nc6 5. dxc5 a5 6. Bd2 e6 7. b4 axb4 8. cxb4 b6 9. Qc1 bxc5 10. bxc5 Nd7 11. Bc3 f6 12. Qe3 Nxc5 13. Nf3 Be7 14. 0-0 0-0 15. Rd1 Ne4 16. Nbd2 Bc5 17. Nd4 Nxc3 18. Qxc3 Bxd4 19. Qxc6 Bd7 20. Qd6 Bxa1 21. Rxa1 Qc8 22. Nb3 Ra6 23. Qf4 Ra4 24. Qd2 Rd8 25. e3 Kh8 26. Rc1 Rc4 27. Rd1 Rc2 28. Qa5 Qa8 29. Qb6 Qb8 30. Qa5 Qc7 31. Qa3 Rc8 32. e4 Qb6 33. Nd4 R2c4 34. Qe7 Rxd4 35. Rxd4 Qb1+ 36. Bf1 Bb5 37. Kg2 Bxf1+ 38. Kf3 dxe4+ 39. Rxe4 0-1

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "5"]
[White "Hoffmann, Hans"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "2225"]
[PlyCount "61"]
[EventDate "1992.09.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 Bb4+ 9. Bc3 Qa5 10. Bxb4 Qxb4+ 11. Qd2 Nxd4 12. exd4 Qe7+ 13. Qe3 Qxe3+ 14. fxe3 0-0 15. Nc3 Re8 16. Kd2 Bf5 17. Bb5 Re7 18. Rhf1 Ne4+ 19. Nxe4 Bxe4 20. g3 Rc8 21. Rac1 Rec7 22. Rxc7 Rxc7 23. Bd3 Bxd3 24. Kxd3 Kf8 25. Rf5 Rd7 26. Rf2 Rc7 27. a4 Ke7 28. Rf5 Kd6 29. Rh5 h6 30. Rf5 f6 31. Kd2 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "4"]
[White "Krogius, Nikolai V"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2500"]
[BlackElo "2225"]
[PlyCount "112"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 0-0 7. Qc2 Qe7 8. Be2 Nbd7 9. 0-0 Ba3 10. Bxa3 Qxa3 11. d4 b6 12. Ne5 Qd6 13. f4 Bb7 14. Bf3 c5 15. cxd5 exd5 16. Qd2 Rfd8 17. Rfd1 Rac8 18. Rac1 cxd4 19. Qxd4 Nc5 20. Nb5 Qb8 21. Qb2 Ne6 22. Nd4 Nxd4 23. Qxd4 Rxc1 24. Rxc1 Rc8 25. Rc3 Rc7 26. g4 h6 27. h4 Qc8 28. Rxc7 Qxc7 29. g5 hxg5 30. hxg5 Nd7 31. Nxd7 Qxd7 32. Kf2 Qh3 33. Bxd5 Qh2+ 34. Ke1 Qg1+ 35. Ke2 Qh2+ 36. Kd3 Bxd5 37. Qxd5 Qxa2 38. f5 Qb1+ 39. Ke2 Qc2+ 40. Kf3 Qc7 41. g6 Kf8 42. gxf7 Qxf7 43. Qa8+ Qe8 44. Qxa7 Qb5 45. e4 Qxb3+ 46. Kf4 Qb2 47. Qa8+ Kf7 48. Qd5+ Kf8 49. Qd6+ Kf7 50. Qd7+ Kf8 51. Qc8+ Kf7 52. Qc4+ Kf8 53. e5 Qf2+ 54. Ke4 Qh4+ 55. Kd5 Qd8+ 56. Kc6 Qe8+ 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "2"]
[White "Ladstetter, Josef"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D13"]
[BlackElo "2225"]
[PlyCount "59"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Be7 8. Bb5 0-0 9. 0-0 Na5 10. Bd3 Bd7 11. Ne5 Ne8 12. e4 f6 13. Nxd7 Qxd7 14. exd5 exd5 15. Qf3 Rd8 16. Rfe1 Bb4 17. a3 Bxc3 18. bxc3 Rf7 19. Re2 a6 20. Rae1 Nc6 21. Qh3 f5 22. g4 g6 23. gxf5 Ng7 24. Re6 Nxf5 25. Bxf5 Rxf5 26. Qe3 Qf7 27. Bh6 Rh5 28. Bf4 Rf5 29. Bh6 Rh5 30. Bf4 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "11"]
[White "Mertins, Klaus"]
[Black "Fels, Karl Heinz"]
[Result "1-0"]
[ECO "E31"]
[WhiteElo "2225"]
[PlyCount "79"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 e5 8. Nge2 g5 9. Bg3 Ne4 10. a3 Nxg3 11. Nxg3 Bxc3+ 12. bxc3 Qa5 13. Qc2 a6 14. Bd3 b5 15. 0-0 Qc7 16. f4 bxc4 17. Bxc4 Qe7 18. Rae1 Ra7 19. Bb3 0-0 20. fxg5 hxg5 21. Rf2 f6 22. Ref1 Qd8 23. Qe2 Rh7 24. Bc2 Rh6 25. Bf5 Bxf5 26. Nxf5 Rh7 27. Ng3 Rff7 28. Ne4 Nd7 29. Qxa6 Rh6 30. Nxg5 Rg7 31. Ne6 Qe7 32. Qc8+ Kf7 33. Nxg7 Kxg7 34. Rb1 Rh8 35. Qc7 Kg6 36. Rb7 Rh7 37. Qc8 e4 38. Qg8+ Rg7 39. Qe6 Rf7 40. Rxd7 1-0

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Granitzki, Werner"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2225"]
[PlyCount "87"]
[EventDate "1992.09.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 e6 6. Bf4 Nf6 7. e3 a6 8. Bd3 Be7 9. 0-0 Nh5 10. Rc1 Nxf4 11. exf4 0-0 12. a3 f5 13. Na4 Bf6 14. Bb1 Na5 15. Ba2 Nc4 16. Qe2 Nd6 17. Ne5 Nf7 18. Rc3 Bxe5 19. fxe5 Bd7 20. Nc5 Bb5 21. Qh5 Qe7 22. Rfc1 b6 23. Nd3 g6 24. Qd1 Qh4 25. Nb4 Ng5 26. Nxd5 Ne4 27. R3c2 Rad8 28. Nc7 Ba4 29. Nxe6 Bxc2 30. Rxc2 Kh8 31. Nxf8 Rxf8 32. d5 f4 33. f3 Nc5 34. e6 Kg7 35. b4 Ne4 36. fxe4 f3 37. Qd4+ Kh6 38. g3 Qh3 39. e7 Rc8 40. Qd2+ Kh5 41. Rxc8 Qxc8 42. d6 Qd7 43. Be6 Qc6 44. g4+ 1-0

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "5"]
[White "Mertins, Klaus"]
[Black "Kasueschke, Gregor"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2225"]
[PlyCount "52"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. d4 0-0 8. Be2 Qe7 9. 0-0 b6 10. Rc1 Bb7 11. Bd3 Rad8 12. Re1 dxc4 13. bxc4 c5 14. e4 Bf4 15. Rc2 cxd4 16. Ne2 Bb8 17. Nexd4 Ng4 18. Qc1 Nc5 19. Bf1 Nxe4 20. c5 bxc5 21. Nb3 Qd6 22. g3 Nxg3 23. Qg5 Nf5 24. Qxg4 Bxf3 25. Qh3 Bg4 26. Be5 Qxe5 0-1

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "3"]
[White "Mertins, Klaus"]
[Black "Marschall, Josef"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2225"]
[PlyCount "75"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. d5 h6 9. e4 Nc5 10. Ne1 Bg4 11. f3 Bd7 12. b4 Na6 13. Rb1 Nh5 14. Nd3 f5 15. c5 f4 16. g4 Nf6 17. Ba3 Rc8 18. b5 Nb8 19. c6 bxc6 20. bxc6 Bxc6 21. dxc6 Nxc6 22. Rb7 Qd7 23. Qa4 Rf7 24. Nb4 Nxb4 25. Qxd7 Rxd7 26. Bxb4 c5 27. Rxd7 Nxd7 28. Ba5 Bf8 29. g5 Rc6 30. Rb1 Ra6 31. Bd8 Nb6 32. Bxb6 axb6 33. gxh6 Bxh6 34. a4 Bg5 35. Bf1 Ra7 36. Rxb6 Be7 37. Bc4+ Kg7 38. Ra6 1-0

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "9"]
[White "Mertins, Klaus"]
[Black "Nadenau, Oskar"]
[Result "1/2-1/2"]
[ECO "E31"]
[WhiteElo "2225"]
[BlackElo "2240"]
[PlyCount "60"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 e5 8. Nge2 0-0 9. a3 Ba5 10. Qc2 Nbd7 11. Rb1 Bxc3+ 12. Nxc3 Qa5 13. Bd3 a6 14. 0-0 Qc7 15. h3 g5 16. Bg3 Nh5 17. Bh2 Ng7 18. g4 Nb6 19. f4 Qe7 20. fxe5 dxe5 21. Rf2 h5 22. Qb3 Nd7 23. Rbf1 hxg4 24. hxg4 Ne8 25. Bf5 Ndf6 26. Qd1 Bxf5 27. Rxf5 Nd7 28. Ne4 f6 29. Qf3 Kg7 30. Qd1 Nd6 1/2-1/2

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "4"]
[White "Mertins, Klaus"]
[Black "Schmitzer, Horst"]
[Result "1-0"]
[ECO "E31"]
[WhiteElo "2225"]
[BlackElo "2305"]
[PlyCount "65"]
[EventDate "1992.09.21"]
[EventType "team-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 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 g5 8. Bg3 Ne4 9. Nge2 Qf6 10. Rc1 e5 11. a3 Bxc3+ 12. Nxc3 Nxc3 13. Rxc3 Bf5 14. Qa4+ Nd7 15. f3 Ke7 16. e4 Bg6 17. h4 Qg7 18. b4 f5 19. Bd3 fxe4 20. Bxe4 Bxe4 21. fxe4 Rhf8 22. hxg5 hxg5 23. Qd1 cxb4 24. axb4 Nf6 25. Qe2 Qg6 26. Re3 a5 27. c5 axb4 28. cxd6+ Kxd6 29. 0-0 Nd7 30. Rxf8 Rxf8 31. Qb2 Rc8 32. Qxb4+ Kc7 33. Qe7 1-0

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "6"]
[White "Mertins, Klaus"]
[Black "Sielaff, Rudolf"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2225"]
[BlackElo "2025"]
[PlyCount "52"]
[EventDate "1992.09.21"]
[EventType "team-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 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Rb1 Nc6 9. d5 Nb8 10. c4 0-0 11. Qd2 Qc7 12. Bb2 f6 13. Be2 Bg4 14. h3 Bxf3 15. Bxf3 Nd7 16. 0-0 Ne5 17. Be2 Rad8 18. Qe3 Nf7 19. f4 Bh6 20. Qf2 Nd6 21. Bd3 b6 22. Qe2 Qd7 23. g4 Nf7 24. Rbd1 e5 25. fxe5 Nxe5 26. Rf2 Bg5 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "7"]
[White "Mertins, Klaus"]
[Black "Von Hoesslin, Holger"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2225"]
[PlyCount "103"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. d5 d6 6. e4 Bg4 7. Be2 0-0 8. h3 Bxf3 9. Bxf3 a6 10. 0-0 Qc7 11. Bd2 e6 12. Rb1 exd5 13. exd5 Re8 14. a3 Nbd7 15. Be2 Ne4 16. Nxe4 Rxe4 17. Bd3 Ree8 18. Qc2 Ne5 19. Bc3 f5 20. Rfe1 Nxd3 21. Qxd3 Qd7 22. Bxg7 Qxg7 23. Re6 Rxe6 24. dxe6 Qe5 25. Rd1 Qxe6 26. Qxd6 Qxc4 27. Qe7 Qf7 28. Qxf7+ Kxf7 29. Rd7+ Ke6 30. Rxb7 Rd8 31. Rxh7 Rd1+ 32. Kh2 Rd2 33. Rb7 Rxf2 34. Kg3 Rd2 35. Rb6+ Kd5 36. Rxg6 Rxb2 37. Rxa6 c4 38. Ra8 c3 39. Rc8 Rb3 40. Kf4 Rxa3 41. Kxf5 Kd4 42. Rd8+ Ke3 43. Rc8 Kd4 44. g4 Ra5+ 45. Kf4 Rc5 46. Rd8+ Kc4 47. Rd1 c2 48. Rc1 Kd3 49. g5 Rc4+ 50. Kf5 Rh4 51. g6 Rxh3 52. g7 1/2-1/2

[Event "Wch Seniors 02nd"]
[Site "Bad Woerishofen"]
[Date "1992.??.??"]
[Round "1"]
[White "Mertins, Klaus"]
[Black "Wollsdorf, Friedrich"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2225"]
[PlyCount "83"]
[EventDate "1992.11.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 Nf6 5. Bg5 c6 6. e3 Be7 7. Ne5 0-0 8. Bd3 Nbd7 9. Nxd7 Bxd7 10. 0-0 h6 11. Bxf6 Rxf6 12. f4 g5 13. g3 g4 14. c5 h5 15. h4 gxh3 16. Qxh5 Kg7 17. Kh2 Rh6 18. Qf3 Be8 19. g4 fxg4 20. Qxg4+ Kh8 21. Rg1 Bg5 22. Qxg5 Qxg5 23. Rxg5 Bh5 24. Rag1 b6 25. cxb6 axb6 26. R1g3 Bf7 27. Rxh3 Rxh3+ 28. Kxh3 c5 29. Kg3 Rf8 30. a3 c4 31. Bg6 Bg8 32. Bh5 Bh7 33. Bg4 Bg8 34. Re5 Rf6 35. Na4 Bf7 36. Nxb6 Rh6 37. Bf3 Kg7 38. Rg5+ Kf8 39. Nd7+ Ke7 40. Ne5 Be8 41. Rg7+ Kf8 42. Ra7 1-0

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "2"]
[White "Schmidt, Wolfgang1111"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "D12"]
[BlackElo "2225"]
[PlyCount "116"]
[EventDate "1992.09.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Qb3 Qb6 7. Qxb6 axb6 8. Nh4 Bg6 9. Nxg6 hxg6 10. a3 dxc4 11. Bxc4 b5 12. Ba2 b4 13. axb4 Bxb4 14. Bd2 Rh5 15. Nb1 Bxd2+ 16. Kxd2 Ne4+ 17. Ke1 Rha5 18. Na3 b5 19. f3 Nd6 20. Rc1 Nf5 21. Bb3 Nxe3 22. Kf2 Nd5 23. h4 Nb4 24. Ke2 Ke7 25. h5 gxh5 26. Rxh5 Nd7 27. Nc2 Nxc2 28. Rxc2 g6 29. Rh4 Kd6 30. Rh7 Rf8 31. Rc1 Nf6 32. Rh4 Nh5 33. Kf2 Rfa8 34. Rhh1 Nf4 35. Rcd1 Rd8 36. g3 Nd5 37. f4 Raa8 38. Kf3 Rh8 39. g4 Nb6 40. f5 gxf5 41. gxf5 Nc4 42. Bxc4 bxc4 43. fxe6 fxe6 44. Ke4 Rag8 45. Rxh8 Rxh8 46. Ra1 Rh4+ 47. Ke3 c5 48. Ra6+ Kd5 49. dxc5 Kxc5 50. Rxe6 Rh2 51. Re8 Rxb2 52. Ra8 Kb4 53. Rb8+ Kc3 54. Ra8 Rb7 55. Ke4 Rd7 56. Rb8 Kc2 57. Ke3 c3 58. Ke2 Re7+ 0-1

[Event "GER-chT Seniors 01st"]
[Site "Hardegsen"]
[Date "1992.??.??"]
[Round "3"]
[White "Schreyer, Alois"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2005"]
[BlackElo "2225"]
[PlyCount "67"]
[EventDate "1992.09.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Ne2 Na5 10. b3 c4 11. Ng3 g6 12. Be2 Qc7 13. 0-0 h5 14. h4 Bb7 15. Ng5 Be7 16. Qd1 Bxg5 17. fxg5 Nb6 18. b4 Nc6 19. c3 Ne7 20. Qd2 Nf5 21. Nxf5 exf5 22. Bf4 Qe7 23. a3 Bc8 24. Bf3 Be6 25. Bd1 a5 26. Bc2 0-0 27. Rfb1 Ra6 28. Bd1 Rfa8 29. Qb2 axb4 30. cxb4 Qa7 31. Bc1 Nd7 32. Kh1 Nb8 33. Qc3 Nc6 34. Bb2 1/2-1/2

[Event "Wch Seniors 01st"]
[Site "Bad Woerishofen"]
[Date "1991.??.??"]
[Round "3"]
[White "Hausner, Alfreda"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2010"]
[BlackElo "2225"]
[PlyCount "41"]
[EventDate "1991.11.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Be2 e6 5. 0-0 Nbd7 6. Nbd2 Bd6 7. c4 c6 8. h3 Bh5 9. b3 e5 10. Bb2 Bxf3 11. Nxf3 e4 12. Nd2 Qe7 13. Re1 0-0 14. Nf1 Rfe8 15. c5 Bc7 16. b4 b6 17. Qc2 bxc5 18. bxc5 Nf8 19. Reb1 Ng6 20. Bc3 h6 21. Rb3 1/2-1/2

[Event "Wch Seniors 01st"]
[Site "Bad Woerishofen"]
[Date "1991.??.??"]
[Round "6"]
[White "Jaszczuk, Juliusz"]
[Black "Mertins, Klaus"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "2225"]
[PlyCount "94"]
[EventDate "1991.11.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. Bf4 Bxf4 7. Nxf4 Qd6 8. Qd2 Nd7 9. 0-0 0-0 10. Re1 Nf6 11. Nc3 c6 12. h3 Ng6 13. Nxg6 hxg6 14. a3 Bd7 15. Ne2 Rfe8 16. Ng3 Rxe1+ 17. Rxe1 Re8 18. Rxe8+ Nxe8 19. Qb4 b6 20. Qxd6 Nxd6 21. b4 Kf8 22. f3 Ke7 23. Kf2 c5 24. dxc5 bxc5 25. bxc5 Nb7 26. Ke3 Nxc5 27. Kd4 Kd6 28. Ne2 g5 29. g4 Ne6+ 30. Ke3 Ke5 31. c3 f6 32. Bf5 Nc5 33. Bxd7 Nxd7 34. f4+ gxf4+ 35. Nxf4 g5 36. Ng6+ Kd6 37. h4 gxh4 38. Nxh4 Ne5 39. Kf4 Kc5 40. Ng2 d4 41. cxd4+ Kxd4 42. Kf5 a5 43. Nf4 Kc4 44. Ne6 Kb3 45. Nc5+ Kxa3 46. Nb7 Kb4 47. Nxa5 Kxa5 1/2-1/2

[Event "Wch Seniors 01st"]
[Site "Bad Woerishofen"]
[Date "1991.??.??"]
[Round "5"]
[White "Knol, Wolter"]
[Black "Mertins, Klaus"]
[Result "0-1"]
[ECO "D48"]
[BlackElo "2225"]
[PlyCount "68"]
[EventDate "1991.11.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 c4 11. dxe6 fxe6 12. Bc2 Qc7 13. 0-0 Bd6 14. Qe2 0-0 15. Bg5 Bb7 16. h3 Rae8 17. Rad1 Bc5 18. Kh1 Rf7 19. Be3 Qb6 20. Bxc5 Qxc5 21. Rd4 Nh5 22. Rfd1 Nf4 23. Qe3 Nf8 24. e5 Nxg2 25. Kxg2 Rxf3 26. Qxf3 Bxf3+ 27. Kxf3 Qxe5 28. Ne4 Ng6 29. Rd8 Rxd8 30. Rxd8+ Kf7 31. Rd7+ Ke8 32. Ra7 Qxb2 33. Nd6+ Kf8 34. Be4 Qa3+ 0-1

[Event "Wch Seniors 01st"]
[Site "Bad Woerishofen"]
[Date "1991.??.??"]
[Round "8"]
[White "Mertins, Klaus"]
[Black "Blachmann, Horst"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2225"]
[PlyCount "81"]
[EventDate "1991.11.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. d4 Bb4+ 6. Nc3 Qe7 7. Be3 Bxc3+ 8. bxc3 0-0 9. Be2 Ne4 10. Qc1 Nd7 11. Nf3 f5 12. 0-0 h6 13. Nd2 Nxd2 14. Qxd2 Nb6 15. d5 Rad8 16. Rfe1 Bc8 17. Bd3 Qf7 18. Bc5 Rfe8 19. Rxe8+ Rxe8 20. Re1 Rxe1+ 21. Qxe1 c6 22. Qe5 Nd7 23. Qc7 Nxc5 24. Qxc8+ Qf8 25. Bxf5 Qxc8 26. Bxc8 Kf8 27. f4 Ke7 28. Kf2 Kd6 29. dxc6 Kxc6 30. Ke3 b6 31. g4 Kd6 32. h4 g6 33. Kd4 Kc7 34. Ke5 Kxc8 35. Kf6 g5 36. fxg5 hxg5 37. h5 Kd7 38. h6 Ne4+ 39. Kg6 Nxc3 40. h7 Nxa2 41. h8Q 1-0

