[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.04.04"]
[Round "7"]
[White "Pollmann, Sascha"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2071"]
[BlackElo "2121"]
[PlyCount "49"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d4 Nd7 5. h3 Bh5 6. c4 e6 7. 0-0 Ngf6 8. cxd5 exd5 9. Qb3 Qb6 10. Qe3+ Be7 11. Nh4 Bg6 12. Nc3 Qd8 13. Nxg6 hxg6 14. Qd3 0-0 15. h4 Re8 16. Bg5 Nf8 17. Rad1 Ne6 18. Bc1 Bb4 19. a3 Ba5 20. b4 Bc7 21. e4 dxe4 22. Nxe4 Bb6 23. Nc5 Bxc5 24. dxc5 Qxd3 25. Rxd3 1/2-1/2

[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.04.02"]
[Round "5"]
[White "Schneider Zinner, Harald"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2327"]
[BlackElo "2121"]
[PlyCount "113"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. c4 c6 5. g3 Nd7 6. Bg2 Ngf6 7. d3 h6 8. 0-0 Be7 9. e3 0-0 10. Qe2 Bh7 11. Rd1 a5 12. Nc3 Bc5 13. e4 dxe4 14. Nxe4 Be7 15. Nc3 Qb6 16. d4 Rfe8 17. h3 Qa6 18. Qe3 Rad8 19. Ne5 Qb6 20. f4 Nxe5 21. fxe5 Nd7 22. Kh2 Qc7 23. Rf1 Rf8 24. Rae1 Bg5 25. Qe2 Nb6 26. Qf2 Bd3 27. Rg1 Bg6 28. Ne4 Be7 29. Nd6 Nd7 30. Ba3 Nb8 31. Be4 Na6 32. Qc2 Bxe4 33. Qxe4 Nb4 34. Bxb4 axb4 35. c5 Ra8 36. Rg2 b6 37. Rf1 Ra7 38. Rgf2 Bxd6 39. cxd6 Qd7 40. Rc1 Rc8 41. Rfc2 c5 42. dxc5 bxc5 43. Rxc5 Rxa2+ 44. R1c2 Rxc5 45. Rxa2 g6 46. Qxb4 Rxe5 47. Ra8+ Kg7 48. Qd4 Qb5 49. Ra2 Kg8 50. Qf2 Rf5 51. Qd4 e5 52. Qd2 Qd7 53. Qxh6 Qd8 54. Qh4 Rf6 55. d7 Kg7 56. Rd2 Kf8 57. Qxf6 1-0

[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.04.01"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Belke, Frank"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2121"]
[BlackElo "2235"]
[PlyCount "17"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. c3 0-0 5. e3 b6 6. Be2 Bb7 7. h3 d6 8. Nbd2 Nbd7 9. 0-0 1/2-1/2

[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.03.31"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Nikolov, Jordan"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2121"]
[BlackElo "1968"]
[PlyCount "85"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. d3 Nf6 5. Nxe7 Qxe7 6. e3 Nc6 7. Be2 0-0 8. Nf3 d5 9. cxd5 Nxd5 10. 0-0 Be6 11. a3 Rfd8 12. Qc2 a5 13. b3 f6 14. Bb2 Rac8 15. Nd2 Qf7 16. Ne4 Nce7 17. Nc5 b6 18. Nxe6 Qxe6 19. Qc4 c5 20. Bg4 f5 21. Bh3 Nc7 22. Bxe5 b5 23. Qc3 b4 24. Qc4 Qxc4 25. dxc4 Rd3 26. axb4 cxb4 27. Rfd1 Rxd1+ 28. Rxd1 Ne6 29. Rd7 Rd8 30. Rxd8+ Nxd8 31. Bd6 Ndc6 32. g4 a4 33. bxa4 Nc8 34. Bc5 b3 35. Bf1 Ne5 36. Ba3 fxg4 37. c5 Kf7 38. Be2 Ke7 39. Bb2 Nf3+ 40. Kg2 Ne1+ 41. Kg3 h5 42. Bxg7 Na7 43. Bc3 1-0

[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.03.30"]
[Round "2"]
[White "Walther, Reinhard"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1987"]
[BlackElo "2121"]
[PlyCount "81"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Bd3 Bxd3 7. Qxd3 e6 8. Nf3 Bd6 9. Bxd6 Qxd6 10. Nbd2 Nf6 11. 0-0 0-0 12. Rfe1 Rab8 13. Ne5 b5 14. Ndf3 b4 15. c4 dxc4 16. Qxc4 Rfc8 17. Qa6 Rc7 18. Rac1 Rb6 19. Qd3 h6 20. Nc4 Qd7 21. Nxb6 axb6 22. Rc4 Ra7 23. Rec1 Ne7 24. Ne5 Qa4 25. Nc6 Nxc6 26. Rxc6 g6 27. Rxb6 Qxa2 28. Rxb4 Rd7 29. h3 Kg7 30. Qc4 Qa5 31. Rb8 Qd2 32. Rc2 Qf4 33. Qc8 g5 34. Rb4 Ra7 35. g3 Ra1+ 36. Kh2 Qf3 37. Rc1 Qxf2+ 38. Kh1 Qf3+ 39. Kh2 Ne4 40. Rb3 Qxb3 41. Qc7 0-1

[Event "Rottach Egern Seniors Cup 13th"]
[Site "Rottach Egern"]
[Date "2025.03.29"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Samisch, Romuald"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2121"]
[BlackElo "1870"]
[PlyCount "69"]
[EventDate "2025.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Bd6 7. Bg3 Ne7 8. e3 Bf5 9. Ne5 0-0 10. Bd3 Qc7 11. Rc1 Nd7 12. Nxd7 Qxd7 13. Bxd6 Qxd6 14. 0-0 Qg6 15. Bxf5 Nxf5 16. b4 Nd6 17. Qc2 Rfe8 18. Qxg6 hxg6 19. Na4 Nc4 20. Nc5 Re7 21. Rc2 f5 22. h4 Kf7 23. Ra1 Kf6 24. a4 a5 25. bxa5 Rxa5 26. Rca2 g5 27. hxg5+ Kxg5 28. g3 b5 29. axb5 Rxa2 30. Rxa2 cxb5 31. Ra8 Nd2 32. Rb8 Ra7 33. Kg2 Kg4 34. Rxb5 Nc4 35. Nd3 1-0

[Event "Rottach Egern Seniors Cup 12th"]
[Site "Rottach Egern"]
[Date "2024.04.10"]
[Round "5"]
[White "Prueske, Wolfgang"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1961"]
[BlackElo "2083"]
[PlyCount "34"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d4 d5 7. Bd3 Nc6 8. Nc3 Nxc3 9. bxc3 dxc4 10. Bxc4 0-0 11. 0-0 Bf5 12. Bd3 Bxd3 13. Qxd3 Re8 14. Rb1 Rb8 15. Be3 Bf6 16. Rfd1 b6 17. Qc4 Qe7 1/2-1/2

[Event "Rottach Egern Seniors Cup 12th"]
[Site "Rottach Egern"]
[Date "2024.04.09"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Steiger, Michael"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2083"]
[BlackElo "1955"]
[PlyCount "57"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. Be3 Nfd7 8. Ng1 Bxe2 9. Ngxe2 Nc6 10. 0-0 e5 11. d5 Ne7 12. b4 f5 13. f3 f4 14. Bf2 g5 15. c5 Nf6 16. Rc1 Rf7 17. Kh1 g4 18. cxd6 cxd6 19. Nb5 Ng6 20. a4 Bh6 21. Rc3 g3 22. Bg1 gxh2 23. Bf2 Nh5 24. Qe1 Bg5 25. Kxh2 Rg7 26. Rh1 Bh4 27. Kg1 Bxf2+ 28. Qxf2 Ng3 29. Rh2 1/2-1/2

[Event "Rottach Egern Seniors Cup 12th"]
[Site "Rottach Egern"]
[Date "2024.04.08"]
[Round "3"]
[White "Cordts, Ingo"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2225"]
[BlackElo "2083"]
[PlyCount "37"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 Nh5 10. Bc1 Nhf6 11. Bf4 Nh5 12. Bc1 Nhf6 13. b3 b6 14. Nc3 Ba6 15. Rd1 Rc8 16. e4 dxc4 17. Bf4 Bb4 18. Nd2 Qe7 19. Bh3 1/2-1/2

[Event "Rottach Egern Seniors Cup 12th"]
[Site "Rottach Egern"]
[Date "2024.04.07"]
[Round "2"]
[White "Kolthoff, Siegmund"]
[Black "McAndrew, Robert"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2083"]
[BlackElo "1950"]
[PlyCount "55"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. g3 0-0 6. Bg2 c5 7. d5 e6 8. 0-0 exd5 9. cxd5 Qe7 10. Re1 Re8 11. Bf4 Nh5 12. Bg5 Bf6 13. Bxf6 Qxf6 14. Nd2 Nd7 15. Nde4 Rxe4 16. Nxe4 Qe7 17. Qd2 Ne5 18. Rac1 b6 19. Bf3 Ng7 20. Qg5 Qxg5 21. Nxg5 Bb7 22. Bg2 Nf5 23. Ne4 Rd8 24. h3 f6 25. Nxf6+ Kg7 26. Ng4 Re8 27. Nxe5 dxe5 28. b4 1-0

[Event "Rottach Egern Seniors Cup 12th"]
[Site "Rottach Egern"]
[Date "2024.04.06"]
[Round "1"]
[White "Hager, Eberhard"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1847"]
[BlackElo "2083"]
[PlyCount "75"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. f3 Nbd7 10. Nd5 Bxd5 11. exd5 0-0 12. Be3 Rc8 13. c4 a5 14. Kh1 b6 15. Nd2 Nh5 16. g3 g6 17. f4 Ng7 18. fxe5 Nxe5 19. Bd4 f5 20. Bxe5 dxe5 21. Nf3 Bd6 22. Rc1 Qe7 23. a3 Rfd8 24. Qe1 Bc5 25. Nd2 Ne8 26. Nb3 Bd6 27. Qf2 a4 28. Nd2 Bc5 29. Qe1 Nd6 30. Bd1 Ra8 31. Nb1 Re8 32. Nc3 Qd7 33. Be2 Bd4 34. Rc2 Rac8 35. Na2 b5 36. Qc1 bxc4 37. Bxc4 Nxc4 38. Rxc4 0-1

[Event "Bayern-chI Bank Hofmann 26th"]
[Site "Tegernsee"]
[Date "2023.10.28"]
[Round "1"]
[White "Lammers, Markus"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2336"]
[BlackElo "2055"]
[PlyCount "103"]
[EventDate "2023.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. g3 Nbd7 9. Be2 Be7 10. Ng2 0-0 11. Nf4 dxc4 12. Bxc4 e5 13. Nxg6 hxg6 14. 0-0 exd4 15. Qxd4 Bc5 16. Qf4 Qe7 17. Kh1 Ne5 18. Be2 Rad8 19. e4 Nd3 20. Qg5 Rfe8 21. Be3 Bxe3 22. Qxe3 Qc5 23. Qxc5 Nxc5 24. Rfd1 Rxd1+ 25. Rxd1 a5 26. Kg2 g5 27. h3 Kf8 28. Kf2 Re7 29. Rd8+ Re8 30. Rd1 Re7 31. Ke3 Rd7 32. Rc1 Ne6 33. Na4 Nh5 34. Bc4 Nxg3 35. Bxe6 fxe6 36. Rg1 Nh5 37. Rxg5 Nf6 38. Rxa5 Re7 39. Ra8+ Kf7 40. Nc5 b6 41. Nd3 Nd7 42. Rc8 c5 43. Rd8 Kf6 44. Kf4 e5+ 45. Kg4 Ke6 46. h4 Rf7 47. Re8+ Kd6 48. Kg3 Rf6 49. Nf2 Rf7 50. Ng4 Re7 51. Rg8 b5 52. Ne3 1-0

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.11"]
[Round "7"]
[White "Richter, Gerald"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "1962"]
[BlackElo "2048"]
[PlyCount "30"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 Be7 10. b3 0-0 11. Bb2 a6 12. e4 b4 13. Na4 Rc8 14. Qe2 a5 15. Rfd1 Qc7 1/2-1/2

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.10"]
[Round "6"]
[White "Kolthoff, Siegmund"]
[Black "Wacker, Peter"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2048"]
[BlackElo "2260"]
[PlyCount "68"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. h3 Bf5 8. Nf3 Bxd3 9. Qxd3 Qb6 10. Qe2 Bg7 11. 0-0 0-0 12. Na3 a6 13. Rab1 Rfe8 14. Nc2 Rad8 15. Ne5 Nd7 16. Rfe1 Ndxe5 17. dxe5 e6 18. Qg4 Rd7 19. Qg3 Rc8 20. Ne3 h5 21. Nf1 Qc7 22. Nd2 b5 23. Rbc1 Qb7 24. Nb3 Ne7 25. Nd4 Rdc7 26. a3 a5 27. Bg5 Nc6 28. Nf3 b4 29. axb4 axb4 30. Bf6 bxc3 31. bxc3 Bh6 32. Bg5 Bg7 33. Bf6 Ne7 34. Qg5 Nf5 1/2-1/2

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.09"]
[Round "5"]
[White "Polster, Wolfgang"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2178"]
[BlackElo "2048"]
[PlyCount "27"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e3 cxd4 5. exd4 a6 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 Nc6 9. 0-0 e6 10. Re1 Bd6 11. Ne2 0-0 12. c3 Rc8 13. Bg5 h6 14. Bxf6 1/2-1/2

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.08"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Hesse, Rutger"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2048"]
[BlackElo "1900"]
[PlyCount "110"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Bb7 10. d4 h6 11. Nbd2 exd4 12. cxd4 Na5 13. Bc2 c5 14. d5 Nd7 15. Nf1 Bf6 16. Ne3 Ne5 17. Nxe5 Bxe5 18. Rb1 Bc8 19. Bd2 Ra7 20. Bd3 Re7 21. Qh5 c4 22. Bc2 Nb7 23. Ng4 Bxg4 24. Qxg4 Qd7 25. Qf3 Rfe8 26. Kh1 Nc5 27. Qh5 Bf6 28. f3 Re5 29. Qg4 Qxg4 30. hxg4 Bh4 31. Rf1 R5e7 32. Bf4 Rd7 33. b3 cxb3 34. axb3 Bg5 35. Bg3 Bf6 36. b4 Na4 37. Bd3 Nb2 38. Be2 Rc8 39. Rfc1 Rdc7 40. Rxc7 Rxc7 41. Bxd6 Rc2 42. Bf1 Bc3 43. Kh2 f6 44. Kh3 Kf7 45. Bc5 g5 46. g3 Ke8 47. f4 Kf7 48. Bd6 Bd4 49. e5 gxf4 50. e6+ Ke8 51. Bxf4 Bg1 52. Bxb5+ axb5 53. Rxg1 Nd3 54. Be3 Re2 55. Bc5 Ne1 1-0

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.07"]
[Round "3"]
[White "Schwickert, Michael"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1874"]
[BlackElo "2048"]
[PlyCount "60"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. e3 Nbd7 5. Be2 h6 6. 0-0 e6 7. d3 Be7 8. Nbd2 0-0 9. Re1 Bh7 10. Bf1 c5 11. c4 Qc7 12. Rc1 Qb6 13. d4 a5 14. cxd5 exd5 15. dxc5 Bxc5 16. Qe2 Rac8 17. Qb5 Qa7 18. Bd3 Bxd3 19. Qxd3 Rfe8 20. Qf5 Qa6 21. Nf1 Qe6 22. Qd3 Ne4 23. Red1 Ndf6 24. Rc2 Bd6 25. Rdc1 Rxc2 26. Rxc2 Rc8 27. Bxf6 Rxc2 28. Qxc2 Nxf6 29. Nd4 Qd7 30. a4 Ne4 1/2-1/2

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.06"]
[Round "2"]
[White "Kolthoff, Siegmund"]
[Black "Wegemund, Hubert"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2048"]
[BlackElo "1887"]
[PlyCount "77"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. g3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 c4 10. Ne5 Re8 11. Rc1 Ne4 12. Bxe7 Nxc3 13. Bxd8 Nxd1 14. Rfxd1 Rxd8 15. Nxc6 bxc6 16. b3 Ba6 17. e3 cxb3 18. axb3 Bb5 19. Rc5 Rab8 20. Ra1 Rd7 21. Rac1 g6 22. h4 h5 23. R1c3 Rb6 24. Bf3 f5 25. Bd1 Kf7 26. f3 Ra6 27. Kf2 Ra2+ 28. Rc2 Ra1 29. Rc1 Ra2+ 30. R5c2 Ra3 31. Rb2 Re7 32. Bc2 Kg7 33. Bb1 Re6 34. Rc3 Ra1 35. Bd3 Bxd3 36. Rxd3 Re7 37. Rc2 Ra6 38. Rdc3 Re6 39. Rc5 1/2-1/2

[Event "Rheinland Pfalz Seniors op 20th"]
[Site "Altenkirchen"]
[Date "2023.09.05"]
[Round "1"]
[White "Klein, Gernot"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1781"]
[BlackElo "2048"]
[PlyCount "102"]
[EventDate "2023.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. Qe2 Nbd7 8. c4 Qc7 9. Nc3 Ne5 10. Nf3 Nxd3 11. Qxd3 Be7 12. Bf4 0-0 13. Rfd1 Rd8 14. Qe2 Nh5 15. Be3 Bd7 16. Rac1 Be8 17. Nd4 Nf6 18. f4 Rac8 19. b3 Qb8 20. Kh1 g6 21. Nf3 Bc6 22. Bb6 Re8 23. Bf2 b5 24. cxb5 axb5 25. Nd4 b4 26. Nxc6 Rxc6 27. Na4 Rec8 28. Rxc6 Rxc6 29. Qd3 d5 30. exd5 Nxd5 31. Bg3 Bd6 32. f5 Bxg3 33. hxg3 gxf5 34. Qf3 Qc7 35. Rd4 Nf6 36. Nb2 Ne4 37. Kh2 Rc3 38. Rd3 Rc2 39. Nc4 Rxa2 40. Qd1 Ra8 41. Qe1 Qc5 42. Qd1 Kg7 43. Qh5 Qc7 44. Qf3 Ra1 45. Qe3 Qc5 46. Rd4 Qe7 47. Rd3 Qf6 48. Rd7 Rb1 49. Rb7 Qa1 50. Rxf7+ Kxf7 51. Nd6+ Kg6 0-1

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.11"]
[Round "7"]
[White "Kolthoff, Siegmund"]
[Black "Pleyer, Christian"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2060"]
[BlackElo "1880"]
[PlyCount "117"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. d4 d6 6. Be2 c5 7. 0-0 b6 8. d5 e6 9. Bg5 h6 10. Bh4 e5 11. Nd2 a6 12. a3 Nbd7 13. b4 Qc7 14. Rb1 Kh7 15. Qa4 Ng8 16. Rb2 f5 17. f3 Ndf6 18. bxc5 bxc5 19. Qb3 Nh5 20. Rfb1 Rf7 21. Qb6 Bf6 22. Qxc7 Rxc7 23. Bf2 Bd8 24. Na4 Bd7 25. Nb6 Raa7 26. Nxd7 Rxd7 27. exf5 gxf5 28. g3 Nhf6 29. Bd3 Ne7 30. g4 Kg6 31. gxf5+ Nxf5 32. Kh1 Kg5 33. Ne4+ Nxe4 34. Bxe4 Rf7 35. Rg1+ Kh5 36. Rg4 Bg5 37. Rb6 Rf6 38. Rb8 a5 39. Rb6 a4 40. Bxc5 Ne3 41. Bxe3 Bxe3 42. Rb8 Bg5 43. Rg8 Raf7 44. Kg2 Rb7 45. h4 Rb2+ 46. Kf1 Bxh4 47. Bg6+ Rxg6 48. R4xg6 Rf2+ 49. Kg1 Rxf3 50. Rxd6 Rxa3 51. Ra6 Ra1+ 52. Kg2 Ra2+ 53. Kf3 a3 54. d6 Rf2+ 55. Ke4 a2 56. Rga8 Rf4+ 57. Kxe5 Rxc4 58. Rxa2 Rc1 59. Rd2 1-0

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.10"]
[Round "6"]
[White "Greulich, Jan"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1898"]
[BlackElo "2060"]
[PlyCount "78"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Bb4+ 6. Nfd2 Nbd7 7. Bb2 0-0 8. a3 Bd6 9. Nf3 b6 10. cxd5 exd5 11. Bd3 Re8 12. 0-0 Bb7 13. Nc3 c5 14. Nb5 Bb8 15. Ng5 a6 16. Nc3 Nf8 17. Re1 cxd4 18. exd4 Rxe1+ 19. Qxe1 Bxh2+ 20. Kxh2 Ng4+ 21. Kg1 Qxg5 22. f3 Nh6 23. Bc1 Qf6 24. Qe5 Qc6 25. Bxh6 Qxh6 26. Nxd5 Bxd5 27. Qxd5 Qe3+ 28. Kh1 Re8 29. Bf5 Qg5 30. Be4 Qh6+ 31. Kg1 Qe3+ 32. Kf1 Rc8 33. a4 Ne6 34. Rd1 g6 35. Qb7 Rd8 36. Qxb6 Rxd4 37. Rxd4 Nxd4 38. Qb8+ Kg7 39. Qe5+ Kh6 1/2-1/2

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.10"]
[Round "5"]
[White "Kolthoff, Siegmund"]
[Black "Nazarenus, Moritz"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2060"]
[BlackElo "2277"]
[PlyCount "85"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. 0-0 Bd6 10. Qd2 0-0 11. Rac1 Rc8 12. Bxd6 Qxd6 13. h3 Bxe2 14. Qxe2 Rc7 15. a3 Rfc8 16. Na2 Nd7 17. Rc3 g6 18. Rfc1 b5 19. R3c2 Nb6 20. Nc3 Nc4 21. Bxc4 bxc4 22. Rd1 f5 23. Rcd2 Rb8 24. f3 Na5 25. Qf2 Nb3 26. Re2 Rf7 27. Kh1 Kg7 28. Qg1 Rbf8 29. Qh2 Qxh2+ 30. Kxh2 Rd8 31. Na2 Rb7 32. Kg3 Kf6 33. h4 h6 34. Kf4 g5+ 35. hxg5+ hxg5+ 36. Kg3 Rh7 37. Nc1 Rb8 38. Na2 Rd8 39. Nc3 Rh4 40. Ree1 Kg6 41. Rh1 Rdh8 42. Rxh4 Rxh4 43. Ne2 1/2-1/2

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.09"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Harringer, Manfred"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2060"]
[BlackElo "2005"]
[PlyCount "45"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nd5 12. a3 Qc8 13. Bg5 f6 14. Be3 Nd7 15. Nc3 Nxc3 16. Qxc3 Nb6 17. Rfc1 Bd6 18. Ne1 Bxg2 19. Nxg2 Qd7 20. Rc2 Qf7 21. Qd3 Rfd8 22. Qe4 g5 23. Ne1 1/2-1/2

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.08"]
[Round "3"]
[White "Karaissaridis, Christos"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1895"]
[BlackElo "2060"]
[PlyCount "48"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bf5 4. d3 Nf6 5. 0-0 e6 6. Nc3 Nbd7 7. Re1 Bb4 8. a3 Ba5 9. b4 Bb6 10. e4 Bg6 11. e5 Ng8 12. Bg5 Ne7 13. Nh4 Qb8 14. Nxg6 hxg6 15. d4 Nf5 16. Ne2 Bd8 17. Bc1 a5 18. Bd2 0-0 19. c3 Nb6 20. Bf1 Nc4 21. Qc2 Be7 22. Bf4 Qd8 23. Reb1 axb4 24. axb4 Na3 0-1

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.08"]
[Round "2"]
[White "Kolthoff, Siegmund"]
[Black "Nagel, Matthias"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2060"]
[BlackElo "1773"]
[PlyCount "99"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 g6 5. 0-0 Bg7 6. Bxc6 dxc6 7. Nc3 0-0 8. h3 Qc7 9. Be3 b6 10. a4 Rd8 11. Qc1 a5 12. Bf4 Qb7 13. Qe3 Be6 14. Rad1 Nh5 15. Be5 Nf6 16. Bh2 Ne8 17. Ng5 Qc8 18. Kh1 Bd4 19. Qf4 f6 20. Nf3 Bf7 21. e5 Ra7 22. Ne4 Qf5 23. b3 Qxf4 24. Bxf4 Rd5 25. Kg1 Kg7 26. Rfe1 f5 27. Ned2 Bc3 28. e6 Bg8 29. Be5+ Bxe5 30. Nxe5 Rc7 31. Ndc4 b5 32. Nxa5 bxa4 33. bxa4 Bxe6 34. Naxc6 Kf6 35. f4 Bd7 36. Nxd7+ Rdxd7 37. Ne5 Rd4 38. Ra1 Rxf4 39. a5 Rb4 40. a6 Rb8 41. Nc4 Ra7 42. Re5 Rba8 43. Rae1 Rxa6 44. Rxe7 Ng7 45. Rc7 Re6 46. Rxe6+ Nxe6 47. Rc6 Ra2 48. Ne3 f4 49. Ng4+ Ke7 50. c3 1/2-1/2

[Event "Rhein Main op-A 25th"]
[Site "Bad Homburg"]
[Date "2023.06.07"]
[Round "1"]
[White "Wachsmann, Elmar"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1842"]
[BlackElo "2060"]
[PlyCount "36"]
[EventDate "2023.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Bb7 6. Nc3 e6 7. e4 exd5 8. exd5 d6 9. a4 Qxb6 10. Nf3 Be7 11. a5 Qc7 12. Bc4 0-0 13. 0-0 Nbd7 14. Re1 Rfe8 15. Bf4 Bf8 16. Qb3 Rab8 17. Qa4 Rxe1+ 18. Rxe1 Re8 1/2-1/2

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.18"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Pirrot, Dieter"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "2066"]
[BlackElo "2313"]
[PlyCount "50"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. d5 Na5 11. dxe6 c5 12. e4 Bxe6 13. Re1 Kh8 14. Bf4 g5 15. Bc1 f4 16. e5 Bf5 17. Qa4 Nc6 18. exd6 Qxd6 19. Ba3 fxg3 20. fxg3 g4 21. Nh4 Bxh4 22. gxh4 Ne5 23. Rad1 Bd3 24. Re3 Nf3+ 25. Bxf3 gxf3 0-1

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.17"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Hartlieb, Juergen"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2066"]
[BlackElo "1925"]
[PlyCount "33"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. Nf3 Bg7 4. Nc3 Nd7 5. Be2 c5 6. 0-0 cxd4 7. Nxd4 Ngf6 8. Be3 0-0 9. Kh1 Nb6 10. a4 e5 11. Ndb5 d5 12. exd5 a6 13. Na3 Nbxd5 14. Nxd5 Nxd5 15. Bc5 Re8 16. Nc4 Be6 17. a5 1/2-1/2

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.16"]
[Round "2"]
[White "Willin, Bernhard"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1890"]
[BlackElo "2066"]
[PlyCount "40"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Qc2 0-0 6. e4 dxe4 7. Nxe4 Nbd7 8. Bd2 c5 9. Bc3 cxd4 10. Nxd4 Qc7 11. Be2 b6 12. Nb5 Qb8 13. Nxf6+ Nxf6 14. Bf3 Bb7 15. Bxb7 Qxb7 16. 0-0 a6 17. Nd4 Rac8 18. b3 Rfd8 19. Rfe1 b5 20. cxb5 Rxd4 0-1

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.15"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Kurpiela, Franz"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2066"]
[BlackElo "1755"]
[PlyCount "79"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c6 5. Bg2 Bb4+ 6. Nbd2 dxc4 7. 0-0 0-0 8. Nxc4 Nbd7 9. Qc2 Re8 10. Bf4 Nd5 11. Rfd1 h6 12. Bd2 Be7 13. e4 N5b6 14. Ne3 Nf6 15. Bc3 Nbd7 16. Rac1 Qb6 17. Nd2 Qb5 18. Ndc4 Qh5 19. a4 e5 20. dxe5 Ng4 21. Nxg4 Qxg4 22. Nd6 Rf8 23. b4 h5 24. Qd3 Nb6 25. a5 Na4 26. Ba1 Be6 27. Qf3 Qg6 28. Qa3 b5 29. Rxc6 Rfd8 30. Rdc1 Qg4 31. Qf3 Qxf3 32. Bxf3 h4 33. Be2 Bd7 34. Rc7 Kf8 35. Nb7 Bxb4 36. Nxd8 Rxd8 37. Rxd7 Rxd7 38. Bxb5 Bd2 39. Bxd7 Bxc1 40. Bxa4 1-0

[Event "Werther Schloss op 26th"]
[Site "Werther"]
[Date "2023.04.02"]
[Round "6"]
[White "Kolthoff, Siegmund"]
[Black "Hilverda, Alexander"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2066"]
[BlackElo "2292"]
[PlyCount "94"]
[EventDate "2023.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 b5 8. Nxc6 Qxc6 9. Qd2 Bb7 10. f3 Ne7 11. Bg2 Ng6 12. Ne2 Be7 13. 0-0-0 Rc8 14. Kb1 0-0 15. Rhg1 Ne5 16. b3 d5 17. exd5 exd5 18. Nd4 Qd7 19. Bf1 Ba3 20. Bd3 Nxd3 21. Qxd3 Rfe8 22. Bc1 b4 23. Bxa3 bxa3 24. Rge1 Qc7 25. Qd2 g6 26. h4 Re7 27. h5 Rce8 28. h6 a5 29. Rxe7 Rxe7 30. Re1 Qc5 31. Rxe7 Qxe7 32. Qxa5 Qh4 33. Qxa3 Qxh6 34. Qe7 Qf4 35. Qc5 h5 36. gxh5 gxh5 37. Qc3 h4 38. Ne2 Qg5 39. f4 Qg4 40. Qe3 h3 41. Ng3 h2 42. Qe8+ Kg7 43. Qe5+ Kh7 44. Qf6 Qxg3 45. Qxf7+ Kh6 46. Qf6+ Kh5 47. Qf5+ Kh4 0-1

[Event "Werther Schloss op 26th"]
[Site "Werther"]
[Date "2023.04.01"]
[Round "5"]
[White "Brunke, Pascal"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2157"]
[BlackElo "2066"]
[PlyCount "177"]
[EventDate "2023.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. Bc4 e6 7. cxd4 d6 8. 0-0 Be7 9. Qe2 Nb6 10. Bb3 dxe5 11. dxe5 Bd7 12. Nc3 Na5 13. Bc2 Bc6 14. Rd1 Qb8 15. Bf4 Nd5 16. Nxd5 Bxd5 17. Ng5 Bxg5 18. Bxg5 Nc6 19. Bf4 Ne7 20. Rac1 Ng6 21. Ba4+ Bc6 22. Rxc6 bxc6 23. Bxc6+ Kf8 24. Be3 Kg8 25. Bxa8 Qxa8 26. Qd3 h6 27. Qd8+ Kh7 28. Qxa8 Rxa8 29. Rd7 Nxe5 30. Rxa7 Rd8 31. h3 Rd1+ 32. Kh2 f5 33. b4 Nc4 34. Rc7 Nxe3 35. fxe3 Ra1 36. Ra7 Rb1 37. a3 Rb3 38. Ra5 Rxe3 39. a4 Rb3 40. Rb5 Ra3 41. a5 Ra4 42. Rb6 e5 43. a6 f4 44. b5 e4 45. Rb7 e3 46. a7 e2 47. Re7 Rxa7 48. Rxe2 Rb7 49. Rb2 Rb6 50. Kg1 Kg6 51. Kf2 Kf5 52. Ke2 Ke5 53. Kd3 Kd5 54. h4 g5 55. hxg5 hxg5 56. Rb1 g4 57. Rb4 f3 58. Rxg4 fxg2 59. Rg5+ Kd6 60. Kc4 Kc7 61. Rg7+ Kb8 62. Rg8+ Kb7 63. Rg7+ Kb8 64. Rxg2 Rh6 65. Kb4 Kb7 66. Ka5 Rf6 67. Rg7+ Kb8 68. Rd7 Rh6 69. Kb4 Kc8 70. Rd5 Kb7 71. Kc5 Rh7 72. Rg5 Rf7 73. Rg6 Rf5+ 74. Kb4 Rh5 75. Ka5 Rh7 76. Ra6 Rh5 77. Rb6+ Ka7 78. Rd6 Rh7 79. Kb4 Kb7 80. Kc5 Rg7 81. Rb6+ Kc7 82. Ra6 Rg5+ 83. Kb4 Kb7 84. Rc6 Rh5 85. Rc5 Rh7 86. Ka5 Rg7 87. b6 Rh7 88. Kb5 Rg7 89. Rc7+ 1/2-1/2

[Event "Werther Schloss op 26th"]
[Site "Werther"]
[Date "2023.04.01"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Gulatz, Maurice"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2066"]
[BlackElo "2185"]
[PlyCount "73"]
[EventDate "2023.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Nxg6 hxg6 9. Bd2 Nbd7 10. Qc2 Qc7 11. 0-0-0 Be7 12. cxd5 cxd5 13. Nb5 Qxc2+ 14. Kxc2 Rc8+ 15. Kb1 a6 16. Nc3 Nb6 17. b3 Ba3 18. Bd3 Kd7 19. Ne2 Rc6 20. Bc1 Bd6 21. h3 Nc8 22. g4 Ne7 23. e4 Bb8 24. e5 Ne8 25. h4 Rc8 26. f4 Nc6 27. a3 Ba7 28. Bb2 Nc7 29. f5 gxf5 30. gxf5 Rcg8 31. h5 f6 32. fxe6+ Nxe6 33. Bf5 fxe5 34. dxe5 Rf8 35. Rxd5+ Ke7 36. Bg4 Bb8 37. a4 1-0

[Event "Werther Schloss op 26th"]
[Site "Werther"]
[Date "2023.03.30"]
[Round "1"]
[White "Bilovil, Bogdan"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2338"]
[BlackElo "2066"]
[PlyCount "113"]
[EventDate "2023.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. cxd5 exd5 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 10. 0-0 d4 11. Na4 0-0 12. Bg5 h6 13. Nxb6 axb6 14. Bxf6 Qxf6 15. Bxc6 bxc6 16. Qxd4 c5 17. Qxf6 gxf6 18. Nd2 Ba6 19. Rfe1 Rfd8 20. Nf1 Bc4 21. a3 Rd6 22. Rac1 Be6 23. f3 Rad8 24. Kf2 Rd4 25. Rc3 f5 26. f4 Kg7 27. Rec1 Kf6 28. Ke1 h5 29. h4 Ke7 30. R3c2 Rg8 31. Rd2 Rxd2 32. Kxd2 Bd5 33. Ke1 Kf6 34. Kf2 Be6 35. Rd1 Rb8 36. Ne3 b5 37. Rc1 Rc8 38. b4 c4 39. Nd1 Ra8 40. Rc3 Rd8 41. Ke1 Rd4 42. Re3 Bd7 43. Nc3 Rd6 44. Re5 Ra6 45. Re3 Rd6 46. Nb1 Be6 47. Nd2 Bd5 48. Kd1 Re6 49. Rxe6+ fxe6 50. Kc2 e5 51. Kc3 Ke6 52. a4 bxa4 53. Nxc4 Bxc4 54. Kxc4 exf4 55. gxf4 Kd6 56. Kc3 Kd5 57. Kb2 1-0

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.09"]
[Round "5"]
[White "Player, Edmund C"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2212"]
[BlackElo "1998"]
[PlyCount "64"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a3 Bd6 7. Nc3 dxe4 8. Nxe4 Nxe4 9. dxe4 0-0 10. Bg5 Qc7 11. Nh4 Na6 12. Nf5 Bxf5 13. exf5 Be7 14. h4 Nc5 15. Qg4 Kh8 16. Ba2 Rad8 17. Be3 Nd7 18. Qe2 Nf6 19. g4 Nd5 20. 0-0-0 Nxe3 21. fxe3 Rxd1+ 22. Qxd1 Bc5 23. Qf3 Qe7 24. e4 Rd8 25. g5 Qd7 26. Bc4 b5 27. Be2 Qd4 28. Kb1 Qe3 29. Qxe3 Bxe3 30. Rh3 Bd4 31. Rd3 Kg8 32. Kc1 Kf8 1/2-1/2

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.19"]
[Round "7"]
[White "Kolthoff, Siegmund"]
[Black "Gloeckler, Christian"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2023"]
[BlackElo "1847"]
[PlyCount "55"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 Be7 7. c3 0-0 8. Re1 d5 9. e4 Nc6 10. e5 Nd7 11. a3 g6 12. Nf1 f6 13. exf6 Rxf6 14. Ne3 cxd4 15. cxd4 Rxf3 16. Qxf3 Nxd4 17. Qh3 e5 18. Ng4 e4 19. Be3 Nf5 20. Bb5 Nf6 21. Nh6+ Nxh6 22. Bxh6 Bc8 23. Qb3 Be6 24. Bf4 Bd6 25. Bxd6 Qxd6 26. Rad1 Rf8 27. Be2 Nd7 28. Qg3 1/2-1/2

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.18"]
[Round "6"]
[White "Berkes, Alexander"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1934"]
[BlackElo "2023"]
[PlyCount "65"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8. Bxc6 dxc6 9. d3 0-0 10. Ne4 Ne6 11. Be3 b6 12. Qd2 Re8 13. Bh6 Bh8 14. Neg5 Ng7 15. Qf4 Rf8 16. Rad1 Qd7 17. Re4 Qc7 18. b3 Qb8 19. Qd2 f6 20. exf6 exf6 21. Bxg7 Bxg7 22. Ne6 Re8 23. Nxg7 Rxe4 24. dxe4 Kxg7 25. Qd8 Be6 26. Qe7+ Bf7 27. e5 fxe5 28. Rd7 Qe8 29. Qxe5+ Kg8 30. Re7 Qf8 31. Kf1 Re8 32. Rxe8 Qxe8 33. Qxe8+ 1/2-1/2

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.18"]
[Round "5"]
[White "Spitzl, Vinzent"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2329"]
[BlackElo "2023"]
[PlyCount "75"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Bd7 10. b3 Be7 11. Nc3 Kc8 12. Bb2 b6 13. Rad1 Rd8 14. g4 Nh4 15. Nxh4 Bxh4 16. Kg2 h5 17. f3 Kb7 18. Ne2 c5 19. c4 hxg4 20. hxg4 a5 21. a4 Bg5 22. Nc3 Bc6 23. Kg3 Rh8 24. Nd5 Rae8 25. Rh1 Bd8 26. f4 Rxh1 27. Rxh1 f6 28. Rh7 fxe5 29. Bxe5 g5 30. Nxc7 gxf4+ 31. Bxf4 Re7 32. Ne6 Rxh7 33. Nxd8+ Kc8 34. Nxc6 Rd7 35. g5 Rd3+ 36. Kg4 Rxb3 37. g6 Rb1 38. g7 1-0

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.17"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Moeller, Dustin"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2023"]
[BlackElo "2244"]
[PlyCount "57"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Bd3 0-0 11. 0-0 a6 12. Nc3 f5 13. f3 Nd7 14. Be3 Bg5 15. Bf2 Qf6 16. Kh1 Nc5 17. Bc2 a5 18. a3 Bd7 19. Rb1 a4 20. Bxc5 dxc5 21. Bxa4 Bxa4 22. Nxa4 Be3 23. Nc3 Qh4 24. Qe1 Qh6 25. g3 Ra6 26. Qe2 f4 27. gxf4 Qxf4 28. d6 Bd4 29. Ne4 1/2-1/2

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.16"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Jung, Maximilian"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2023"]
[BlackElo "1651"]
[PlyCount "211"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. Qd3 b6 9. cxd5 cxd5 10. Bf4 a6 11. Rac1 Bb7 12. Rc2 Ne8 13. e4 dxe4 14. Nxe4 Ndf6 15. Nxf6+ Bxf6 16. Ng5 Bxg5 17. Bxg5 Qxg5 18. Bxb7 Ra7 19. Bxa6 Nc7 20. Bc4 Rd8 21. Rd1 Nd5 22. a3 Rad7 23. Rcd2 Qg4 24. Qe2 Qg5 25. Qe5 Qg4 26. Be2 Qg6 27. Bd3 Qg4 28. Qe4 Qxe4 29. Bxe4 Nf6 30. Bf3 Kf8 31. Kf1 Ke7 32. Ke2 h6 33. Ke3 Rd6 34. Rd3 R8d7 35. Rb3 Rd8 36. Rb4 R8d7 37. Rc1 Nd5+ 38. Bxd5 Rxd5 39. f4 f6 40. Rc6 b5 41. Rc5 Rb7 42. a4 Ra7 43. Rbxb5 Rxa4 44. Rxd5 exd5 45. Rb7+ Ke6 46. g4 g6 47. Kd3 Ra1 48. Rh7 Rg1 49. h3 Rg3+ 50. Kc2 Rxh3 51. b4 Kd6 52. Rg7 g5 53. f5 Rg3 54. Rf7 Rxg4 55. Rxf6+ Kd7 56. Rxh6 Rxd4 57. b5 Rb4 58. b6 g4 59. Kc3 Rb1 60. Kd4 g3 61. Rg6 g2 62. Rxg2 Rxb6 63. Kxd5 Rb5+ 64. Ke4 Ke7 65. Ra2 Rb6 66. Ke5 Rb5+ 67. Kf4 Kf6 68. Ra6+ Kf7 69. Kg5 Rb1 70. Ra7+ Kf8 71. Kg6 Rf1 72. Kf6 Ke8 73. Ra8+ Kd7 74. Kg6 Ke7 75. Ra7+ Kf8 76. Kf6 Ke8 77. Rh7 Rf2 78. Rh8+ Kd7 79. Kg6 Ke7 80. Rh7+ Kf8 81. Rb7 Rf1 82. Kf6 Ke8 83. Rb5 Rf2 84. Rb6 Rf1 85. Rb8+ Kd7 86. Rg8 Rf2 87. Rg5 Ke8 88. Rg8+ Kd7 89. Rf8 Rf1 90. Kg7 Ke7 91. f6+ Ke6 92. Re8+ Kd7 93. Re4 Rg1+ 94. Kf7 Rf1 95. Rd4+ Kc7 96. Kg6 Rg1+ 97. Kf5 Rf1+ 98. Ke6 Re1+ 99. Kf7 Rf1 100. Kg7 Rg1+ 101. Kf8 Rf1 102. f7 Rf2 103. Rd5 Rf1 104. Kg7 Kc6 105. Rg5 Rd1 106. f8Q 1-0

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.16"]
[Round "2"]
[White "Lesny, Florian"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2221"]
[BlackElo "2023"]
[PlyCount "145"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 0-0 6. c3 d6 7. a4 a5 8. Re1 h6 9. h3 Re8 10. Nbd2 Be6 11. Bb5 Bd7 12. Nf1 Ba7 13. Ng3 Ne7 14. Bxd7 Qxd7 15. d4 Nc6 16. d5 Ne7 17. Nh4 c6 18. c4 cxd5 19. cxd5 Rec8 20. Qf3 Rc2 21. Re2 Rxe2 22. Nxe2 Kh7 23. Nc3 Rc8 24. Be3 Bxe3 25. Qxe3 Rc4 26. Re1 Rb4 27. Rb1 Kg8 28. Nf3 Ng6 29. Ne1 Nf4 30. Kh2 g5 31. b3 Rd4 32. f3 h5 33. Nb5 Rb4 34. Nc2 Rxb5 35. axb5 h4 36. Na3 N6h5 37. Qf2 Nd3 38. Qf1 Nhf4 39. b6 f5 40. exf5 Qxf5 41. Nc4 Nh5 42. Kg1 Ng3 43. Qd1 e4 44. fxe4 Qf2+ 45. Kh2 Nf4 46. Qf3 Qc2 47. Re1 Nd3 48. Rd1 Nf2 49. Ne3 Qb2 50. Re1 Nd3 51. Nc4 Qc2 52. Na3 Qxb3 53. Rd1 Qxa3 54. Qxd3 Qxd3 55. Rxd3 Nxe4 56. Ra3 Kf7 57. Ra4 Nc5 58. Rxa5 Kf6 59. g3 Ke5 60. gxh4 gxh4 61. Ra8 Kxd5 62. Rh8 Nd7 63. Rxh4 Nxb6 64. Rb4 Kc5 65. Rb1 Kc6 66. Rxb6+ Kxb6 67. h4 d5 68. Kg2 Kc5 69. h5 d4 70. h6 d3 71. Kf2 Kc4 72. Ke1 Kc3 73. Kd1 1-0

[Event "Rhein Main op-A 24th"]
[Site "Bad Homburg"]
[Date "2022.06.15"]
[Round "1"]
[White "Marzec, Witold"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "D42"]
[WhiteElo "1696"]
[BlackElo "2023"]
[PlyCount "100"]
[EventDate "2022.06.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 a6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. a3 Be7 9. Bd3 Nc6 10. 0-0 0-0 11. Bc2 Nxc3 12. bxc3 Bf6 13. Qd3 g6 14. Bf4 b5 15. Rfd1 Bb7 16. Qe3 Ne7 17. Be5 Bg7 18. Bb3 Nf5 19. Qd3 Rc8 20. Bxg7 Kxg7 21. Re1 Qc7 22. Rac1 Qf4 23. Ne5 Rfd8 24. Rcd1 Rc7 25. h3 Rdc8 26. c4 Qg5 27. Nf3 Bxf3 28. Qxf3 bxc4 29. Bc2 Rd8 30. Re5 Qf6 31. Re4 Rcd7 32. Qc3 Rxd4 33. Rexd4 Rxd4 34. Rxd4 Qxd4 35. Qe1 Kf6 36. a4 c3 37. Qe2 Qd2 38. Qxd2 cxd2 39. g4 Nd4 40. Bd1 Ke5 41. Kg2 Kf4 42. Kf1 a5 43. Kg2 g5 44. Kf1 h6 45. Kg2 f5 46. Kf1 Ke4 47. Kg2 Kd3 48. Kf1 f4 49. Kg2 e5 50. f3 Nc2 0-1

[Event "Bad Griesbach Seniors op 23rd"]
[Site "Bad Griesbach"]
[Date "2021.11.18"]
[Round "5"]
[White "Kolthoff, Siegmund"]
[Black "Semakoff, Aleks"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2040"]
[BlackElo "2003"]
[PlyCount "37"]
[EventDate "2021.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 c6 7. a4 Qc7 8. Re1 h6 9. b3 0-0 10. Bb2 Re8 11. h3 Nf8 12. Bd3 Ng6 13. Ne2 Nh7 14. Ng3 Ng5 15. Nf5 Bf6 16. Nxg5 hxg5 17. Bf1 Bxf5 18. exf5 Ne7 19. dxe5 1/2-1/2

[Event "Bad Griesbach Seniors op 23rd"]
[Site "Bad Griesbach"]
[Date "2021.11.17"]
[Round "4"]
[White "Akstinat, Sven Holger"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1989"]
[BlackElo "2040"]
[PlyCount "59"]
[EventDate "2021.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Nf6 6. Na3 cxd4 7. Nb5 Qd8 8. Nbxd4 Nxd4 9. Qxd4 Qxd4 10. Nxd4 a6 11. Bf4 e6 12. Be2 Bc5 13. Nb3 Bb6 14. Bf3 0-0 15. 0-0 Nd5 16. Bg3 Ne7 17. Bd6 Re8 18. Rfd1 Nc6 19. c4 e5 20. c5 Ba7 21. Bxc6 bxc6 22. Bxe5 Bf5 23. Bd6 Be4 24. Nd4 g6 25. Rac1 Bd5 26. Rc3 Rad8 27. h3 Re4 28. Rcd3 Bb8 29. f3 Ree8 30. Bxb8 1/2-1/2

[Event "Bad Griesbach Seniors op 23rd"]
[Site "Bad Griesbach"]
[Date "2021.11.16"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Hamlack, Heinz"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2040"]
[BlackElo "1971"]
[PlyCount "45"]
[EventDate "2021.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 Ng6 8. d4 cxd4 9. cxd4 Nb4 10. Bb3 d5 11. e5 Be7 12. Nc3 Nc6 13. g3 f5 14. exf6 Bxf6 15. Bc2 0-0 16. Bxg6 hxg6 17. Bf4 g5 18. Be5 g4 19. Bxf6 Qxf6 20. Ne5 Nxe5 21. dxe5 Qxe5 22. Qxg4 Qf6 23. Qe2 1/2-1/2

[Event "Bad Griesbach Seniors op 23rd"]
[Site "Bad Griesbach"]
[Date "2021.11.15"]
[Round "2"]
[White "Schembera, Joerg"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1726"]
[BlackElo "2040"]
[PlyCount "56"]
[EventDate "2021.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. dxc5 d4 5. Bxf6 gxf6 6. Ne4 f5 7. Nd2 Bg7 8. Nb3 Nc6 9. g3 a5 10. a4 0-0 11. Bg2 e5 12. e3 dxe3 13. fxe3 Qg5 14. Qe2 Bh6 15. Kf2 Be6 16. Rd1 Rfd8 17. Nf3 Qg4 18. Qb5 Qe4 19. Rxd8+ Rxd8 20. Re1 Qxc2+ 21. Re2 Qxb3 22. Ne1 e4 23. Nc2 Bc4 24. Qxb3 Bxb3 25. Na3 Bxa4 26. Bh3 Bd1 27. Bxf5 Bxe2 28. Kxe2 Rd5 0-1

[Event "Bad Griesbach Seniors op 23rd"]
[Site "Bad Griesbach"]
[Date "2021.11.14"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Mehlhorn, Dieter"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2040"]
[BlackElo "1782"]
[PlyCount "132"]
[EventDate "2021.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Qc2 Bd6 6. Bg5 Nbd7 7. e3 Qa5 8. c5 Be7 9. a3 Qd8 10. h3 Nh5 11. Bxe7 Qxe7 12. 0-0-0 f5 13. g4 fxg4 14. hxg4 Nhf6 15. g5 Ng8 16. Rxh7 Rxh7 17. Qxh7 Qf7 18. Bd3 Nf8 19. Qh1 Ne7 20. Rf1 Bd7 21. Ne5 Qg8 22. Qh5+ g6 23. Qh6 0-0-0 24. Rh1 Be8 25. Qh8 Qxh8 26. Rxh8 Nd7 27. Nxd7 Bxd7 28. Rh7 Nf5 29. Bxf5 exf5 30. Ne2 Rg8 31. Nf4 b6 32. b4 b5 33. Kd2 a6 34. Ke2 Kd8 35. Kf3 Kc8 36. Nd3 Be8 37. Kf4 Rf8 38. Ke5 Bd7 39. Kf4 Rg8 40. Ne5 Be8 41. f3 Kb8 42. Nd3 Kc8 43. Ke5 Bd7 44. Kf6 Be8 45. Ne5 Kd8 46. Rh6 f4 47. e4 dxe4 48. fxe4 f3 49. Rh1 Rf8+ 50. Kg7 Rf4 51. Rf1 f2 52. d5 cxd5 53. exd5 Rf5 54. Nc6+ Bxc6 55. dxc6 Rxg5 56. Rxf2 Rg3 57. Rf6 g5 58. c7+ Kxc7 59. Rxa6 g4 60. Rb6 Rxa3 61. Rxb5 g3 62. Rb6 Rb3 63. b5 g2 64. Rc6+ Kb7 65. Rb6+ Kc7 66. Rc6+ Kb7 1/2-1/2

[Event "Pfalz op-A 11th"]
[Site "Neustadt an der Weinstrasse"]
[Date "2020.02.21"]
[Round "1"]
[White "Thinius, Marco"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2393"]
[BlackElo "2063"]
[PlyCount "97"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Bg2 Bf5 5. Qb3 Qb6 6. d3 e6 7. Be3 Qxb3 8. axb3 a6 9. 0-0 Nbd7 10. Nc3 Bd6 11. cxd5 exd5 12. Nd4 Bg6 13. Nc2 0-0 14. b4 Rfe8 15. Bd4 h6 16. Rfe1 Rad8 17. h3 Be5 18. Na4 Bxd4 19. Nxd4 Re7 20. f4 Ne8 21. Nc5 Nxc5 22. bxc5 f6 23. Kf2 Nc7 24. f5 Bf7 25. Bf3 Re5 26. g4 Kh7 27. Ra3 Re7 28. Rea1 g6 29. fxg6+ Bxg6 30. h4 Kg8 31. Rg1 Kf7 32. Rga1 Ne6 33. Nxe6 Rxe6 34. Ra4 Re5 35. Rd4 Rde8 36. Ke1 Rb8 37. Kd2 Ree8 38. Ra2 Ke7 39. Ra3 Rh8 40. Rb3 Rhd8 41. e4 Ke6 42. exd5+ cxd5 43. Rdb4 Rdc8 44. d4 Be4 45. Bxe4 dxe4 46. Rb6+ Rc6 47. Rxb7 Rxb7 48. Rxb7 Kd5 49. Ke3 1-0

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.12.05"]
[Round "9"]
[White "Oechslein, Rainer"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2215"]
[BlackElo "2068"]
[PlyCount "18"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. 0-0 c6 5. d3 Ngf6 6. Nbd2 e6 7. c3 Be7 8. Qc2 0-0 9. Re1 a5 1/2-1/2

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.12.04"]
[Round "8"]
[White "Kolthoff, Siegmund"]
[Black "Nitsch, Thomas"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2068"]
[BlackElo "1943"]
[PlyCount "51"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 d6 7. Nc3 g6 8. Ne3 Nge7 9. Be2 f5 10. exf5 Nxf5 11. Nxf5 Bxf5 12. Bg4 Qd7 13. Nd5 Bxg4 14. Nf6+ Kf7 15. Nxg4 Nd4 16. 0-0 Bg7 17. f4 Kg8 18. fxe5 dxe5 19. Bg5 Qc7 20. Nf6+ Bxf6 21. Bxf6 Qxc4 22. Kh1 Re8 23. Qg4 Rf8 24. Qe4 Qf7 25. Qxe5 Nf5 26. Bxh8 1-0

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.12.03"]
[Round "7"]
[White "Kracht, Helmut"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1969"]
[BlackElo "2068"]
[PlyCount "100"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 c5 4. e3 b6 5. Nbd2 cxd4 6. exd4 Be7 7. Bd3 Bb7 8. h3 a6 9. c3 d6 10. Qe2 Nbd7 11. 0-0 0-0 12. Rfe1 Re8 13. Rac1 Bf8 14. Ne4 Nxe4 15. Bxe4 Bxe4 16. Qxe4 d5 17. Qd3 b5 18. Re2 Rc8 19. Ne5 Nxe5 20. Bxe5 Rc6 21. Rec2 Qd7 22. a3 Rec8 23. Qe2 Qb7 24. h4 Bd6 25. Bxd6 Rxd6 26. g3 Rdc6 27. h5 h6 28. f4 Qc7 29. Qe5 Qe7 30. Rf1 f5 31. g4 fxg4 32. Rg2 Rf8 33. Qe2 Rf5 34. Qxg4 Qf7 35. Rh2 Rc8 36. Re2 Rf8 37. Re5 Rxe5 38. dxe5 Qf5 39. Qg6 Rf7 40. Kg2 Kf8 41. Kg3 Ke7 42. Qxf5 Rxf5 43. Kg4 Kf7 44. a4 g6 45. hxg6+ Kxg6 46. axb5 axb5 47. Ra1 h5+ 48. Kf3 Rf7 49. Rg1+ Kh6 50. Rg8 h4 1/2-1/2

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.12.02"]
[Round "6"]
[White "Kolthoff, Siegmund"]
[Black "Schaefer, Martin1"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2068"]
[BlackElo "1938"]
[PlyCount "61"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 d6 3. e3 Nf6 4. Nc3 Nbd7 5. Nf3 g6 6. Bc4 Nb6 7. Bb3 e6 8. h4 h6 9. Qd3 Qe7 10. e4 Nh5 11. Bd2 Bd7 12. 0-0-0 0-0-0 13. Rde1 Kb8 14. Kb1 Re8 15. e5 d5 16. g4 Ng7 17. Reg1 Qf7 18. Ne2 c5 19. dxc5 Bxc5 20. Nfd4 Rc8 21. Qg3 Bxd4 22. Nxd4 fxg4 23. Qxg4 Qxf2 24. Rg2 h5 25. Rxf2 hxg4 26. Rg2 Nc4 27. Bg5 Nf5 28. Rxg4 Rh5 29. Bf6 Nxd4 30. Rxd4 Nxe5 31. Rf4 1/2-1/2

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.12.01"]
[Round "5"]
[White "Nuenchert, Eveline"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1967"]
[BlackElo "2068"]
[PlyCount "37"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 e6 4. Nf3 a6 5. d4 cxd4 6. Nxd4 Qc7 7. Bd3 Nf6 8. 0-0 Be7 9. Kh1 Nc6 10. Nxc6 bxc6 11. Qe2 e5 12. f5 Bb7 13. b3 d5 14. Bb2 0-0 15. Nd1 Bd6 16. Nf2 a5 17. Ng4 Nxg4 18. Qxg4 f6 19. a4 1/2-1/2

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.11.30"]
[Round "4"]
[White "Kolthoff, Siegmund"]
[Black "Deflieze, Ulrich"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2068"]
[BlackElo "1920"]
[PlyCount "86"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 h6 8. Bh4 0-0 9. Qc2 Re8 10. Nge2 Nbd7 11. 0-0 b6 12. f3 c5 13. Qd2 Bb7 14. Bf2 Bd6 15. Kh1 a6 16. Rad1 c4 17. Bb1 b5 18. Ng3 b4 19. Nce2 Nb6 20. Nf5 Bf8 21. Rfe1 a5 22. Nf4 c3 23. bxc3 bxc3 24. Qc2 Nbd7 25. Nd3 g6 26. Ng3 Bd6 27. Qxc3 Rc8 28. Qd2 Kg7 29. Rc1 Rxc1 30. Rxc1 Qa8 31. Ne2 Nb6 32. Nc5 Nc4 33. Qd3 Bc8 34. Ng3 Bxc5 35. dxc5 Ne5 36. Qd4 Nc6 37. Qc3 Ba6 38. h4 Qd8 39. h5 d4 40. exd4 Nd5 41. Qd2 Qc7 42. Be4 Qd7 43. Re1 f5 1-0

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.11.29"]
[Round "3"]
[White "Mewes, Hans Dieter"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1820"]
[BlackElo "2068"]
[PlyCount "82"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. e3 c5 5. Bg2 d4 6. Ne4 Nfd7 7. d3 Nc6 8. f4 Be7 9. Nf3 0-0 10. exd4 cxd4 11. 0-0 f5 12. Nf2 Nc5 13. Bd2 a5 14. b3 Bd7 15. Rb1 Bf6 16. a3 Qc7 17. b4 axb4 18. axb4 Na4 19. Qb3 Kh8 20. Ra1 Nc3 21. Kh1 Qb6 22. b5 e5 23. fxe5 Nxe5 24. Nxe5 Bxe5 25. Rfe1 Bd6 26. Qb2 h6 27. Nd1 Na4 28. Qb3 Nc5 29. Qb1 Rxa1 30. Qxa1 Nxd3 31. Rf1 Be6 32. Nb2 Nxb2 33. Qxb2 Bxc4 34. Re1 Kh7 35. Bf1 Bd5+ 36. Bg2 Qc5 37. Bxd5 Qxd5+ 38. Kg1 Ra8 39. Rd1 Ra2 40. Qb1 d3 41. Qc1 Bc5+ 0-1

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.11.28"]
[Round "2"]
[White "Kolthoff, Siegmund"]
[Black "Krueger, Bernhard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2068"]
[BlackElo "1678"]
[PlyCount "9"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Nc6 5. Nb5 1-0

[Event "MVP-ch Seniors op 19th"]
[Site "Ostseebad Binz"]
[Date "2019.11.27"]
[Round "1"]
[White "Chmielewski, Axel"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1771"]
[BlackElo "2068"]
[PlyCount "74"]
[EventDate "2019.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nc3 dxc4 6. Nf3 0-0 7. 0-0 Nbd7 8. e4 c6 9. a4 a5 10. Qe2 Nb6 11. h3 Be6 12. Be3 Ra6 13. Ng5 Bd7 14. Rfd1 h6 15. Nf3 Qc8 16. Kh2 Nh5 17. Nd2 Be6 18. f4 Nf6 19. Qf2 Qc7 20. Rac1 h5 21. Nf3 Rd8 22. d5 Bg4 23. Kh1 Bxf3 24. Bxf3 Bh6 25. Nb5 cxb5 26. axb5 Nfd7 27. bxa6 bxa6 28. e5 Na4 29. d6 exd6 30. Rxd6 Nf8 31. Rxd8 Qxd8 32. Rxc4 Qd7 33. Kg2 Ne6 34. b3 Qb5 35. Rxa4 Qxb3 36. Rxa5 h4 37. Bd5 Qc3 1-0

[Event "Langenhagen Summer op 1st"]
[Site "Langenhagen"]
[Date "2019.07.04"]
[Round "2"]
[White "Hoerstmann, Martin"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "E40"]
[WhiteElo "2269"]
[BlackElo "2022"]
[PlyCount "87"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. cxd5 Nxd5 6. Bd2 0-0 7. Rc1 Nd7 8. Nf3 Re8 9. Bd3 Be7 10. Nxd5 exd5 11. Qc2 g6 12. Qxc7 Nf6 13. h3 Ne4 14. Bb5 Rf8 15. 0-0 Nxd2 16. Nxd2 Bd6 17. Qxd8 Rxd8 18. Nb1 Be6 19. Rc3 Rac8 20. Rfc1 Rxc3 21. Nxc3 Kf8 22. Kf1 Ke7 23. Ke1 f5 24. a3 g5 25. Ba4 h5 26. Bb3 Bb8 27. Ke2 h4 28. Kd3 g4 29. Rh1 g3 30. Rf1 f4 31. fxg3 fxg3 32. Bd1 Bf7 33. Bf3 a6 34. Rc1 Be6 35. b4 Ba7 36. Ke2 Kd6 37. Rf1 Rc8 38. Kd2 Bb6 39. Bd1 Bd8 40. Rf8 Ke7 41. Rh8 Kd6 42. Bf3 b6 43. Rh6 Bg5 44. Rxe6+ 1-0

[Event "Langenhagen Summer op 1st"]
[Site "Langenhagen"]
[Date "2019.07.04"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Voege, Tobias"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2022"]
[BlackElo "2303"]
[PlyCount "106"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 Bg4 4. Nbd2 e6 5. e3 Bd6 6. Bg3 Nf6 7. Be2 0-0 8. 0-0 Ne7 9. Ne5 Bxe2 10. Qxe2 Bxe5 11. Bxe5 Nd7 12. Bg3 Re8 13. Bh4 f6 14. e4 c6 15. c3 Ng6 16. Bg3 f5 17. f3 f4 18. Bf2 Qg5 19. Rfe1 Re7 20. c4 Nf6 21. Qd3 Rae8 22. Rac1 a6 23. a4 Nh4 24. Bxh4 Qxh4 25. b4 g5 26. h3 Qh6 27. b5 axb5 28. axb5 Qg6 29. Qf1 h5 30. bxc6 bxc6 31. cxd5 cxd5 32. e5 Nd7 33. Rc6 Rf8 34. Rec1 Rg7 35. Rd6 Re8 36. Rc7 Nf8 37. Rxg7+ Kxg7 38. Qb5 Re7 39. Kh2 g4 40. hxg4 hxg4 41. fxg4 Qxg4 42. Nf3 Kg8 43. Kg1 Rg7 44. Qf1 Rc7 45. Rb6 Ng6 46. Rb1 Ne7 47. Qb5 Kf7 48. Qd3 Nf5 49. Ra1 Kg7 50. Qd2 Ne3 51. Nh2 Qg6 52. Qf2 Qe4 53. Nf3 Qg6 1/2-1/2

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.23"]
[Round "7"]
[White "Kolthoff, Siegmund"]
[Black "Nagel, Bernhard"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2058"]
[BlackElo "2188"]
[PlyCount "25"]
[EventDate "2019.06.19"]
[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. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Bg3 0-0 6. Ngf3 c5 7. c3 b6 8. a4 Nc6 9. Bb5 Qc7 10. 0-0 Ne7 11. a5 Bxg3 12. hxg3 Bd7 13. Qa4 1/2-1/2

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.22"]
[Round "6"]
[White "Brustkern, Juergen"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2222"]
[BlackElo "2058"]
[PlyCount "96"]
[EventDate "2019.06.19"]
[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. d3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Be2 e6 6. 0-0 Nge7 7. c3 0-0 8. Be3 b6 9. Nbd2 Bb7 10. Qe1 d6 11. Qh4 Qd7 12. Rae1 f5 13. Bf2 Rae8 14. Bd1 h6 15. a3 Ba6 16. Be2 Bb7 17. Rc1 Rf7 18. Be3 Ba6 19. Rfe1 Ref8 20. Bf1 Bb7 21. b4 Ba6 22. Rc2 fxe4 23. dxe4 Bxf1 24. Nxf1 a5 25. b5 Nd8 26. a4 Qc7 27. Qg3 d5 28. Ne5 Rf6 29. Nd2 Kh7 30. Qh4 Nb7 31. Ndf3 dxe4 32. Ng5+ Kg8 33. Nxe4 Rf5 34. g4 Rxf4 35. Bxf4 Rxf4 36. Nd3 Rf3 37. Nef2 Nd8 38. g5 hxg5 39. Qxg5 Rf5 40. Qg3 Qb7 41. Ne4 Nf7 42. Qg2 Qd5 43. Ndf2 Ne5 44. Rd1 Qb3 45. Rd8+ Kh7 46. Rc1 Qxa4 47. Kh1 Bh6 48. Rcd1 Nd5 1/2-1/2

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.22"]
[Round "5"]
[White "Kolthoff, Siegmund"]
[Black "Stork, Oliver"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2058"]
[BlackElo "2224"]
[PlyCount "65"]
[EventDate "2019.06.19"]
[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 e6 3. Bg5 h6 4. Bh4 c5 5. c3 b6 6. e3 Bb7 7. Nbd2 Nc6 8. Bd3 d6 9. 0-0 g5 10. Bg3 h5 11. h4 g4 12. Ne1 Be7 13. Nc2 Nh7 14. dxc5 bxc5 15. Nc4 d5 16. Ne5 Bxh4 17. Bb5 Bxg3 18. fxg3 Qb6 19. Nxf7 0-0 20. Qd3 Ne7 21. c4 a6 22. Bd7 Nf5 23. cxd5 Bxd5 24. Rxf5 exf5 25. Qxd5 Nf6 26. Qxf5 Kxf7 27. Rf1 Ke7 28. Ba4 Rac8 29. e4 c4+ 30. Kh2 Qe6 31. Qg5 Rg8 32. Qh4 Rc5 33. Nd4 1/2-1/2

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.21"]
[Round "4"]
[White "Schild, Willi"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2155"]
[BlackElo "2058"]
[PlyCount "124"]
[EventDate "2019.06.19"]
[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 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 c5 6. c3 b6 7. Be2 Bb7 8. 0-0 d6 9. a4 cxd4 10. exd4 a6 11. Nbd2 Nbd7 12. Re1 Nd5 13. Bh2 Bh6 14. Bc4 N7f6 15. Qe2 Re8 16. Bb3 Qc7 17. Rad1 Nf4 18. Bxf4 Bxf4 19. Qc4 Qxc4 20. Bxc4 Rab8 21. g3 Bh6 22. Bf1 b5 23. axb5 axb5 24. Bg2 Bg7 25. Ra1 Bd5 26. Ra7 Kf8 27. Ng5 Bxg2 28. Kxg2 d5 29. Nb3 h6 30. Nf3 Ne4 31. Nfd2 Nxd2 32. Nxd2 b4 33. Rea1 bxc3 34. bxc3 Rbc8 35. Rd7 Red8 36. Raa7 Rxd7 37. Rxd7 e6 38. Nb1 Bf6 39. Rb7 Bd8 40. Kf3 Kg7 41. Ke3 Ra8 42. Rb2 Bg5+ 43. Kd3 Ra1 44. Kc2 h5 45. h4 Bh6 46. Kd1 Kf6 47. Ke2 Bc1 48. Rb3 Ra2+ 49. Kf3 Kf5 50. Rb7 f6 51. Rb5 Rc2 52. Rb3 g5 53. Na3 g4+ 54. Kg2 Bxa3 55. Rxa3 e5 56. Kf1 Ke4 57. dxe5 fxe5 58. Ra4+ Kf3 59. Ra1 Rxc3 60. Kg1 d4 61. Ra8 d3 62. Rf8+ Ke2 0-1

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.20"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Haag, Martin"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2058"]
[BlackElo "2191"]
[PlyCount "47"]
[EventDate "2019.06.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. g3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Bg2 c5 8. 0-0 b5 9. Qd3 Bb7 10. b3 cxd4 11. Nxd4 Ne5 12. Qd1 Bxg2 13. Kxg2 Qd5+ 14. Nf3 Nxf3 15. exf3 Rc8 16. Bb2 Qb7 17. Nd2 Be7 18. Bxf6 gxf6 19. Ne4 0-0 20. Nd6 Bxd6 21. Qxd6 Rfd8 22. Qf4 Kg7 23. Rad1 Rd5 24. Rxd5 1/2-1/2

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.20"]
[Round "2"]
[White "Markosyan, Aleksandr"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1598"]
[BlackElo "2058"]
[PlyCount "98"]
[EventDate "2019.06.19"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. f4 exf4 11. Bxf4 Nc6 12. Qe1 Ne5 13. Rd1 Qc7 14. Qg3 Rac8 15. Bg5 Kh8 16. Nd4 Rce8 17. Kh1 Nfd7 18. Nxe6 fxe6 19. Bh5 Rxf1+ 20. Rxf1 Rf8 21. Rxf8+ Nxf8 22. Bf4 Nfg6 23. Be3 Bf6 24. Qh3 Qe7 25. Ne2 Kg8 26. b3 Nf8 27. Bd4 g6 28. Bf3 Kg7 29. Be3 Bg5 30. Bd4 Bf6 31. Be3 Kg8 32. Bh6 Bg7 33. Bxg7 Kxg7 34. Nd4 Qf6 35. c3 Nd3 36. Qg3 e5 37. Nc2 Ne6 38. Ne3 Nef4 39. Nd5 Nxd5 40. exd5 e4 41. Be2 Qxc3 42. h3 Qc1+ 43. Kh2 Qf4 44. Qxf4 Nxf4 45. Bg4 a5 46. Bc8 b6 47. Bb7 Kf6 48. g3 Nd3 49. Kg2 Ke5 0-1

[Event "Rhein Main op-A 22nd"]
[Site "Bad Homburg"]
[Date "2019.06.19"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Qayumi, Roman"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2058"]
[BlackElo "1725"]
[PlyCount "152"]
[EventDate "2019.06.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. e4 0-0 8. Be2 Qc7 9. 0-0 b6 10. Be3 Bb7 11. f3 Nxd4 12. Bxd4 Bc5 13. Kh1 Rfd8 14. Rc1 Rac8 15. Qd2 Bxd4 16. Qxd4 d5 17. cxd5 exd5 18. e5 Ne8 19. Rcd1 Qc5 20. f4 Nc7 21. Bg4 Qxd4 22. Rxd4 Ne6 23. Rfd1 Rc5 24. Bxe6 fxe6 25. Kg1 Rf8 26. h4 Bc6 27. Kf2 Be8 28. Ke3 Bh5 29. Rg1 Bg4 30. g3 Rfc8 31. Rg2 h6 32. Rgd2 Kf7 33. Rb4 Ke7 34. Nb5 a5 35. Rb3 Rc1 36. Rc3 R8xc3+ 37. Nxc3 Rg1 38. Kf2 Rh1 39. Kg2 Rc1 40. Nb5 Kd7 41. Nd4 Rc4 42. Kf2 Rc1 43. Nc2 Rh1 44. Kg2 Rd1 45. Rxd1 Bxd1 46. Nd4 Bg4 47. Kf2 Kc7 48. Ke3 Kd7 49. Kd3 Kc7 50. Kc3 Kb7 51. Nc2 g6 52. Nd4 Kc7 53. b4 Kb7 54. Nc2 Kc6 55. Nd4+ Kb7 56. Nb5 Kc6 57. Nd6 h5 58. Kd4 axb4 59. axb4 Kc7 60. Kd3 Kc6 61. Kc3 Kc7 62. Nb5+ Kc6 63. Nd4+ Kc7 64. Kb3 Bd1+ 65. Ka3 Bg4 66. Ka4 Kb7 67. Kb5 Bh3 68. Ka4 Bg4 69. Kb3 Bd1+ 70. Kc3 Bg4 71. Kd3 Kc7 72. Ke3 Kd7 73. Nb5 Kc6 74. Nd6 Kd7 75. Kd4 Kc6 76. Ke3 Kd7 1/2-1/2

[Event "Bamberg op 2nd"]
[Site "Bamberg"]
[Date "2019.05.29"]
[Round "1"]
[White "Stets, Dmitry"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2391"]
[BlackElo "2046"]
[PlyCount "89"]
[EventDate "2019.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 7. 0-0 Be7 8. c4 0-0 9. Re1 Nc6 10. a3 Bf6 11. cxd5 Qxd5 12. Bxe4 Bxe4 13. Nc3 Bxf3 14. Nxd5 Bxd1 15. Nxf6+ gxf6 16. Rxd1 Rad8 17. Bh6 Rfe8 18. Rd3 Ne7 19. Rf3 f5 20. Re1 f6 21. h3 Kf7 22. Be3 Rd5 23. Rc1 Nc6 24. Rc5 Red8 25. Rxf5 Rxf5 26. Rxf5 Nxd4 27. Rc5 c6 28. Rc4 Nb5 29. Rh4 Kg7 30. a4 Rd1+ 31. Kh2 Nd6 32. Bxa7 Nf5 33. Rb4 Rd7 34. g4 Nh4 35. Kg3 Ng6 36. Rd4 Rf7 37. Rd6 b5 38. Bd4 bxa4 39. g5 Rc7 40. Rxf6 Kg8 41. h4 c5 42. Bc3 Ne7 43. Ra6 Nf5+ 44. Kg4 Nd4 45. Rxa4 1-0

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.30"]
[Round "6"]
[White "Kaeding, Rainer"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2154"]
[BlackElo "2032"]
[PlyCount "39"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 0-0 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4 8. 0-0 d5 9. Be3 Bf5 10. Nf4 c6 11. Bg4 Bxg4 12. Qxg4 Nf6 13. Qf3 Nbd7 14. Nd3 Qe7 15. Rfe1 Qe4 16. Qd1 Qf5 17. f3 h5 18. Qd2 a6 19. Bd4 Nh7 20. Qf4 1/2-1/2

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.30"]
[Round "5"]
[White "Kolthoff, Siegmund"]
[Black "Wolff, Michael1"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2032"]
[PlyCount "79"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 d6 5. d4 Bg4 6. d5 Nce7 7. h3 Bd7 8. e4 g6 9. g4 Bg7 10. Bd3 a6 11. Be3 Qc7 12. Qc2 0-0-0 13. a3 h5 14. g5 f5 15. Nh4 f4 16. Bd2 Kb8 17. 0-0-0 Ka7 18. Kb1 Rb8 19. Ka1 Be8 20. Nf3 Nc8 21. Na2 Nge7 22. Rc1 Nb6 23. Ba5 Nec8 24. Bf1 Bf8 25. h4 Rh7 26. Bh3 Qe7 27. Ne1 Na8 28. Nd3 b6 29. Bd2 Nc7 30. b4 Bd7 31. f3 Rf7 32. Bc3 Qe8 33. Bxd7 Rxd7 34. Rb1 Bg7 35. Qb2 Qf8 36. bxc5 dxc5 37. Nxe5 Bxe5 38. Bxe5 b5 39. Rhc1 Ka8 40. Qc3 1-0

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.29"]
[Round "4"]
[White "Siggelkow, Axel"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A75"]
[WhiteElo "1933"]
[BlackElo "2032"]
[PlyCount "119"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 a6 8. a4 Bg4 9. Be2 Bg7 10. Nd2 Bxe2 11. Qxe2 0-0 12. 0-0 Nbd7 13. Nc4 Qe7 14. Bf4 Ne8 15. Qd2 Ne5 16. Nxe5 Bxe5 17. Bxe5 dxe5 18. f4 Nd6 19. fxe5 Qxe5 20. Qf4 Rae8 21. Rae1 Kg7 22. a5 f6 23. Qc1 Qd4+ 24. Kh1 Nxe4 25. Nxe4 Rxe4 26. Rxe4 Qxe4 27. Qxc5 Rf7 28. h3 Qe2 29. Rf2 Qe1+ 30. Kh2 Rd7 31. Qd4 Rd6 32. b4 Qe5+ 33. Qxe5 fxe5 34. Rc2 Rd7 35. d6 Kf6 36. Kg3 Ke6 37. Kf3 Kxd6 38. Ke3 Ke6 39. Rf2 Rd4 40. Rb2 Rd5 41. g4 Kd6 42. Rb3 Rb5 43. Ke4 Ke6 44. Rb2 b6 45. axb6 Rxb6 46. Rb3 Rb5 47. Ra3 Rxb4+ 48. Kf3 Rb6 49. Ke4 Kd6 50. Ra5 Rb4+ 51. Kf3 Rb3+ 52. Ke4 Rb4+ 53. Kf3 Rb6 54. Ke4 h6 55. Rd5+ Kc6 56. Rxe5 Rb4+ 57. Kd3 Rb3+ 58. Kc4 Rxh3 59. Re6+ Kb7 60. Rxg6 1/2-1/2

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.28"]
[Round "2"]
[White "Eisner, Ernst"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1919"]
[BlackElo "2032"]
[PlyCount "50"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 c5 4. e3 cxd4 5. exd4 b6 6. Bd3 Bb7 7. 0-0 Be7 8. Nbd2 0-0 9. Qe2 d6 10. c3 Nbd7 11. a4 a6 12. h3 Re8 13. Rfe1 Nf8 14. Bh2 Ng6 15. Nf1 Qc7 16. Kh1 Bf8 17. Kg1 Nd5 18. Qd2 Qd7 19. Be4 b5 20. Kh1 Rec8 21. Ng1 bxa4 22. Ne3 Nb6 23. Bxb7 Qxb7 24. Nf1 Nc4 25. Qe2 Qxb2 0-1

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.28"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Bork, Steffen"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2032"]
[PlyCount "113"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. g3 a6 5. Qc2 b5 6. b3 g6 7. Nbd2 Bf5 8. Qd1 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Bb2 Re8 12. Nh4 e6 13. Nxf5 exf5 14. e3 Ne4 15. cxd5 cxd5 16. Nf3 Rc8 17. Rc1 Qb6 18. Rc2 Qb7 19. Rxc8 Rxc8 20. Qd3 a5 21. Rc1 Rxc1+ 22. Bxc1 Qb6 23. Bb2 b4 24. Bf1 Nc3 25. Qc2 Bf8 26. a4 Nf6 27. Ne5 Qc7 28. Kg2 Bd6 29. Nd3 h5 30. Nf4 Bxf4 31. gxf4 Nfe4 32. f3 Nf6 33. Bd3 Kg7 34. Bc1 Qe7 35. Bd2 Qc7 36. Be1 Qe7 37. Qd2 Qc7 38. Bh4 Ne8 39. Qc2 Nf6 40. Kh3 Qe7 41. Qd2 Qd7 42. Kg2 Qc7 43. Kf1 Nd7 44. Ke1 Nf8 45. Qg2 Qd7 46. Qg5 Nh7 47. Qe7 Qc6 48. Qc5 Qe8 49. Qe7 Qc6 50. Qc5 Qe8 51. Bf2 Qa8 52. Kd2 Nf6 53. Bh4 Nh7 54. Qc7 Kg8 55. Qd8+ Qxd8 56. Bxd8 f6 57. Bxa5 1-0

[Event "GER Seniors Derby 18th"]
[Site "Wesel Undeloh"]
[Date "2019.03.28"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Kreilinger, Erich"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2032"]
[BlackElo "2055"]
[PlyCount "48"]
[EventDate "2019.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 h6 5. Bh4 d6 6. e4 0-0 7. c3 Nc6 8. Bb5 a6 9. Ba4 Bg4 10. h3 Bd7 11. Bg3 b5 12. Bb3 Kh8 13. e5 Ng8 14. Qe2 f5 15. exf6 exf6 16. 0-0 f5 17. Rfe1 Re8 18. Qd3 Qf6 19. Be5 dxe5 20. dxe5 Qe7 21. e6 Bc8 22. Qd5 Bb7 23. Qd7 Nb8 24. Nh4 Kh7 0-1

[Event "Pfalz op 10th"]
[Site "Neustadt an der Weinstrasse"]
[Date "2019.03.01"]
[Round "1"]
[White "Hoefelsauer, Thomas"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2354"]
[BlackElo "2036"]
[PlyCount "75"]
[EventDate "2019.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. e3 Nc6 8. Bb2 d4 9. exd4 cxd4 10. Re1 Re8 11. d3 a5 12. Ne5 Nxe5 13. Rxe5 Rb8 14. Na3 Nd7 15. Re2 e5 16. Nb5 Bc5 17. a3 Nf8 18. Qe1 Ng6 19. b4 axb4 20. axb4 Be7 21. Be4 Bf6 22. c5 Bg4 23. f3 Be6 24. Nd6 Re7 25. Nc4 Bxc4 26. dxc4 Nf8 27. b5 Ne6 28. c6 bxc6 29. Bxc6 d3 30. Re3 d2 31. Qf1 Qb6 32. Qf2 Nd4 33. Rd3 Ra7 34. Rxa7 Qxa7 35. Bd5 Qa2 36. Rxd2 Qb1+ 37. Kg2 h6 38. Be4 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.10.02"]
[Round "6.12"]
[White "Woynowski, Manfred"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1874"]
[BlackElo "2037"]
[PlyCount "70"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 b6 6. e4 d6 7. Be3 Bb7 8. f3 Be7 9. Qa4+ Kf8 10. Be2 a6 11. 0-0 Nbd7 12. Nc6 Bxc6 13. Qxc6 Nc5 14. Bxc5 bxc5 15. Rfd1 Qb8 16. Rd2 g6 17. Rad1 Kg7 18. Qa4 Qc7 19. Qc2 Rad8 20. f4 Nd7 21. Bf3 Nb8 22. f5 Bg5 23. fxe6 fxe6 24. Bg4 Rhe8 25. Re2 Nc6 26. Ree1 Bf6 27. Ne2 Be5 28. Rf1 Re7 29. b3 Rde8 30. Qd3 Rf7 31. Qh3 Rxf1+ 32. Rxf1 Qe7 33. g3 h5 34. Bf3 Qg5 35. Qg2 Rf8 0-1

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.10.01"]
[Round "5.17"]
[White "Kolthoff, Siegmund"]
[Black "Knauer, Frank"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2037"]
[BlackElo "1816"]
[PlyCount "75"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 c6 6. a4 a5 7. 0-0 Nbd7 8. e5 Nd5 9. Nxd5 cxd5 10. exd6 exd6 11. Bf4 Qc7 12. c3 0-0 13. Re1 Nf6 14. Bd3 Bd7 15. Qb3 Bc6 16. Qa3 Rad8 17. b4 b6 18. Rac1 Qd7 19. Rb1 Ne4 20. h3 Rfe8 21. Be3 Rc8 22. Rec1 h6 23. bxa5 bxa5 24. Bb5 Rb8 25. Qb3 Rb6 26. Bxc6 Rxc6 27. Bd2 Rc4 28. Qb5 Qxb5 29. axb5 Rb8 30. Be1 a4 31. Rc2 Rb6 32. Ra2 Bf6 33. Nd2 Nxd2 34. Bxd2 h5 35. Kf1 Kg7 36. Ke2 Bd8 37. Kd3 Kf6 38. Bf4 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.30"]
[Round "4.13"]
[White "Farokhi, Keyvan"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1855"]
[BlackElo "2037"]
[PlyCount "65"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nc3 a6 7. Bg5 e6 8. e3 Be7 9. Nf3 h6 10. Bf4 Nh5 11. Be5 Nxe5 12. dxe5 g6 13. e4 dxe4 14. Qxd8+ Bxd8 15. Nxe4 Ba5+ 16. Ke2 0-0 17. Nd6 Rb8 18. Nd4 Bc7 19. Nxc8 Rfxc8 20. f4 Bb6 21. Rhd1 Rc4 22. Nb3 g5 23. fxg5 hxg5 24. Rac1 Rc7 25. Bf3 Ng7 26. g4 Ne8 27. Rxc7 Bxc7 28. Nc5 Bxe5 29. Nd7 Rd8 30. Nxe5 Rxd1 31. Kxd1 Nd6 32. b3 f5 33. Nc4 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.30"]
[Round "3.5"]
[White "Kolthoff, Siegmund"]
[Black "Voigt, Gerrit"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2037"]
[BlackElo "2174"]
[PlyCount "56"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 c5 6. dxc5 bxc5 7. Bg5 h6 8. Bh4 Qa5+ 9. Nbd2 Bb7 10. Bxf6 gxf6 11. 0-0-0 Qb6 12. e3 Be7 13. Bd3 Nc6 14. Ne4 Rb8 15. Nc3 Na5 16. Nd2 Bxg2 17. Rhg1 Bc6 18. Be4 Bxe4 19. Ncxe4 Qb7 20. Qc3 Nxc4 21. Nxc4 Qxe4 22. Rd6 Qh4 23. Ra6 Qxf2 24. Rd1 Rb7 25. Na5 Rc7 26. Qd3 Rg8 27. Rd2 Rg1+ 28. Kc2 Qf1 0-1

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.29"]
[Round "1.19"]
[White "Kolthoff, Siegmund"]
[Black "Westphal Stubbe, Siegbert"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2037"]
[BlackElo "1645"]
[PlyCount "131"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. g3 d5 3. c4 Nf6 4. Bg2 c6 5. Nf3 Nbd7 6. 0-0 g6 7. Nc3 Bg7 8. Qc2 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nb6 12. Qc2 Bd7 13. Bg5 f6 14. Bf4 Nc8 15. Rfe1 Ne7 16. Rad1 Re8 17. Re2 Nf5 18. g4 g5 19. Bc1 Nh4 20. Nxh4 gxh4 21. h3 f5 22. gxf5 exf5 23. Bf4 Rxe2 24. Qxe2 Qe8 25. Qd3 Qg6 26. Kh1 Re8 27. Rg1 Kh8 28. b3 Qf7 29. Bf3 Rg8 30. Qe3 Re8 31. Qd2 Re6 32. d5 Rg6 33. Re1 Qf8 34. Qe3 Bf6 35. Qxa7 Qb4 36. Qe3 Qc3 37. Qxc3 Bxc3 38. Re7 Rg7 39. Rxg7 Kxg7 40. Kg2 c5 41. Bg5 b5 42. Bxh4 bxc4 43. bxc4 Kg6 44. Bg3 Bd2 45. Bd6 Bb4 46. Bf4 Ba4 47. d6 Kf7 48. Bd5+ Ke8 49. Be6 Bd7 50. Bxd7+ Kxd7 51. Kf3 Ke6 52. Ke3 Be1 53. f3 Bb4 54. Kd3 h5 55. Kc2 Kd7 56. Kd3 Ba5 57. Ke3 Ke6 58. Bg3 Bc3 59. Kd3 Bb4 60. Kc2 Ba5 61. Kb3 Kd7 62. Ka4 Bc3 63. Kb5 Bd4 64. a4 Be3 65. Be5 Ke6 66. a5 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.29"]
[Round "2.15"]
[White "Rudolph, Jens Erik"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1868"]
[BlackElo "2037"]
[PlyCount "42"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 a6 3. g3 b5 4. Bg2 Bb7 5. 0-0 Nf6 6. d3 d5 7. e4 e6 8. exd5 Nxd5 9. Ne4 Be7 10. Nfg5 0-0 11. Qh5 h6 12. c4 Nb4 13. Nxe6 fxe6 14. Qg6 Qe8 15. Qxe6+ Qf7 16. Qb6 Bc6 17. Bf4 Nd7 18. Qc7 Rfc8 19. Nd6 Bxd6 20. Qxd6 Bxg2 21. Kxg2 Rc6 0-1

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.29"]
[Round "9"]
[White "Kopisch, Martin"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2114"]
[BlackElo "2015"]
[PlyCount "34"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nd7 9. h3 c6 10. Be2 Ne5 11. c4 Be6 12. b3 a6 13. a4 Qc7 14. 0-0 Rfe8 15. Nd4 Bc8 16. f4 Nd7 17. Bf3 Nf6 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.28"]
[Round "8"]
[White "Kolthoff, Siegmund"]
[Black "Cmiel, Thorsten"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2015"]
[BlackElo "2132"]
[PlyCount "12"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 h6 5. Bh4 Qb6 6. Qd2 Nc6 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.27"]
[Round "7"]
[White "Klamp, Christoph"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2030"]
[BlackElo "2015"]
[PlyCount "26"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. g3 e6 4. Bg2 Nf6 5. Nf3 Nbd7 6. c4 c6 7. 0-0 Bd6 8. d3 0-0 9. Nbd2 Re8 10. h3 Bh5 11. Qc2 a5 12. Rfe1 Qb6 13. e3 a4 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.26"]
[Round "6"]
[White "Kutschenko, Roland"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2069"]
[BlackElo "2015"]
[PlyCount "50"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. a4 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Bd3 d6 7. 0-0 Be7 8. Be3 b6 9. Nd2 Bb7 10. f4 Nbd7 11. Qf3 0-0 12. g4 g6 13. Ne2 Qc7 14. g5 Ne8 15. Qh3 Ng7 16. f5 Bd8 17. f6 Nh5 18. Ng3 Nhxf6 19. Qh4 Ne8 20. Qh6 Ne5 21. Rf4 f6 22. Raf1 Qg7 23. Qh3 Bc8 24. gxf6 Rxf6 25. Rxf6 Nxf6 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.25"]
[Round "5"]
[White "Kolthoff, Siegmund"]
[Black "Stuemer, Paul"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2015"]
[BlackElo "2087"]
[PlyCount "41"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 0-0 6. c3 Nc6 7. d5 Nb8 8. Be2 c6 9. c4 Nbd7 10. Bd3 Ng4 11. Rb1 a5 12. 0-0 Nc5 13. Bc2 Qc7 14. h3 Ne5 15. Nxe5 dxe5 16. Be3 b6 17. a3 f5 18. f3 cxd5 19. exd5 Bd7 20. b4 axb4 21. axb4 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.24"]
[Round "4"]
[White "Wagner Michel, Annett"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2119"]
[BlackElo "2015"]
[PlyCount "42"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. Nf3 Bc5 5. d3 d6 6. 0-0 h6 7. h3 0-0 8. a3 a6 9. Bd2 Ne7 10. b4 Ba7 11. a4 Ng6 12. Re1 Re8 13. Nd5 Nxd5 14. Bxd5 c6 15. Bb3 Qf6 16. Qe2 Be6 17. Bxe6 fxe6 18. c4 Rf8 19. Rf1 Nf4 20. Bxf4 Qxf4 21. Ra2 Rf6 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.23"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Gottuk, Stefan"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2015"]
[BlackElo "2184"]
[PlyCount "27"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. c3 c6 6. Qb3 Qb6 7. Nd2 d5 8. Nf4 Na6 9. Nf3 Ne4 10. 0-0 Nc7 11. Nd3 Ne6 12. Bf4 0-0 13. Be5 Bh6 14. c4 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.22"]
[Round "2"]
[White "Dehn, Marcus"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2099"]
[BlackElo "2015"]
[PlyCount "51"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. d4 cxd4 6. Nxd4 0-0 7. a3 d5 8. Be2 Nbd7 9. 0-0 a6 10. c4 dxc4 11. Bxc4 Qc7 12. Nc3 Ne5 13. Be2 Rd8 14. Qb1 Neg4 15. Nf3 Bd7 16. h3 Nh6 17. Ne4 Nxe4 18. Qxe4 Bc6 19. Qc2 Rac8 20. Rac1 Qa5 21. b4 Qa4 22. Nd4 Qxc2 23. Rxc2 Bd5 24. Rfc1 Rxc2 25. Rxc2 Be4 26. Rc1 1/2-1/2

[Event "GER-ch Seniors 50"]
[Site "Hamburg"]
[Date "2018.07.21"]
[Round "1"]
[White "Kolthoff, Siegmund"]
[Black "Zunk, Olaf"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2015"]
[BlackElo "1398"]
[PlyCount "51"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 b6 2. c4 Bb7 3. Nc3 e6 4. e4 Bb4 5. Qc2 Bxc3 6. bxc3 Nf6 7. d3 c5 8. Be2 d6 9. 0-0 e5 10. Nh4 Nxe4 11. Nf5 Nf6 12. Nxg7+ Kd7 13. Nf5 Qc7 14. Ng3 Nc6 15. d4 exd4 16. Qf5+ Ke7 17. Bg5 Rhg8 18. Bxf6+ Kf8 19. Qxh7 Ne5 20. cxd4 cxd4 21. Qh6+ Ke8 22. Bxe5 dxe5 23. Rfe1 f5 24. Qe6+ Kf8 25. Qxf5+ Ke7 26. Qh7+ 1-0

[Event "Bamberg op 1st"]
[Site "Bamberg"]
[Date "2018.05.09"]
[Round "1"]
[White "Promyshlyanskiy, Vitaliy"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2288"]
[BlackElo "1999"]
[PlyCount "66"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bd3 Nc6 5. Nd5 d6 6. c3 Bc5 7. b4 Bb6 8. a4 a6 9. Nxb6 cxb6 10. Bc2 0-0 11. 0-0 Bg4 12. h3 Bh5 13. Ba3 Rc8 14. Qe2 Re8 15. Bb3 Bg6 16. d3 d5 17. Nd2 b5 18. Qf3 bxa4 19. Bxa4 dxe4 20. Nxe4 Nxe4 21. dxe4 Qh4 22. Rfe1 Red8 23. Ra2 Na7 24. Rae2 Nb5 25. Bb2 Nd6 26. Kh2 Nc4 27. Bc1 h6 28. Bb3 Rc6 29. Ra2 b5 30. g3 Qe7 31. h4 Rcd6 32. Bxc4 bxc4 33. Qe2 Qe6 1/2-1/2

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "4.21"]
[White "Fomenkov, Alexander"]
[Black "Kolthoff, Siegmund"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1777"]
[BlackElo "1962"]
[PlyCount "87"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 Nf6 5. e5 dxe5 6. Nxe5 Nc6 7. Bb5 Bd7 8. Bxc6 Bxc6 9. Nxc6 bxc6 10. Qa4 Qd5 11. 0-0 e6 12. cxd4 Be7 13. Nc3 Qd7 14. Be3 0-0 15. Rac1 Qb7 16. b3 Rfc8 17. Qc4 h6 18. Na4 Qc7 19. Nc5 Ng4 20. g3 Nxe3 21. fxe3 Bg5 22. Rc3 e5 23. dxe5 Qxe5 24. Rxf7 Bxe3+ 25. Kf1 Qxc5 26. Rf4+ Qxc4+ 27. Rfxc4 Rf8+ 28. Kg2 Bb6 29. Rxc6 Rf2+ 30. Kh3 Rxa2 31. Rc2 Rxc2 32. Rxc2 Rd8 33. Kg4 Rd3 34. Rb2 Kf7 35. Kf4 Kf6 36. Ke4 Rd4+ 37. Kf3 Kf5 38. b4 Rd3+ 39. Kg2 Ke4 40. Re2+ Be3 41. Kh3 Rb3 42. Rc2 Rxb4 43. Rc7 Bd4 44. Re7+ 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "1.33"]
[White "Kolthoff, Siegmund"]
[Black "Reinecke, Gerd"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1962"]
[BlackElo "1460"]
[PlyCount "85"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. d5 d6 5. h3 Nd7 6. Be2 Ngf6 7. Nc3 0-0 8. 0-0 a6 9. a4 b6 10. Bf4 Bb7 11. Re1 Ne8 12. Qd2 Qc7 13. Rad1 Rd8 14. Bh6 e6 15. dxe6 fxe6 16. Bxg7 Kxg7 17. Ng5 Rf6 18. Bc4 d5 19. exd5 Ne5 20. Ba2 h6 21. Qe2 hxg5 22. Qxe5 Qxe5 23. Rxe5 exd5 24. Nxd5 Bxd5 25. Rdxd5 Rxd5 26. Bxd5 Rf5 27. Rxe8 Rxd5 28. Re6 Rd1+ 29. Kh2 Rd2 30. Kg3 Rxc2 31. Rxb6 c4 32. a5 Kf7 33. f3 Ke7 34. Rxa6 Rxb2 35. Rc6 Rb4 36. a6 Ra4 37. Rxg6 Kd7 38. Rxg5 Rxa6 39. Rg7+ Kc8 40. Kf2 Rc6 41. Ke2 Rd6 42. Rg4 c3 43. Rc4+ 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "5.10"]
[White "Kolthoff, Siegmund"]
[Black "Voigt, Gerrit"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1962"]
[BlackElo "2170"]
[PlyCount "83"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 cxd4 5. exd4 b6 6. Nbd2 Bb7 7. Bd3 Be7 8. 0-0 h6 9. Bf4 0-0 10. h3 d5 11. Qe2 Bd6 12. Ne5 Nc6 13. Nxc6 Bxc6 14. Bxd6 Qxd6 15. c3 Nd7 16. Rae1 b5 17. a3 a5 18. Qh5 Qf4 19. Re3 b4 20. axb4 axb4 21. Nf3 bxc3 22. bxc3 Nf6 23. Qe5 Qxe5 24. Nxe5 Rfc8 25. f4 g6 26. g4 Be8 27. f5 exf5 28. gxf5 g5 29. c4 Ra4 30. Bc2 Rb4 31. Rb3 Rcxc4 32. Nxc4 Rxc4 33. Bd3 Rxd4 34. Bb5 Bxb5 35. Rxb5 Nh5 36. Rf3 Kg7 37. Rb6 Nf4 38. Ra3 Rd2 39. Ra7 Nxh3+ 40. Kf1 Rf2+ 41. Ke1 Rxf5 42. Rd7 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "7.20"]
[White "Kolthoff, Siegmund"]
[Black "Wunderlich, Fabian"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "1962"]
[BlackElo "1808"]
[PlyCount "75"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. d4 Bg4 6. Be2 g6 7. Nc3 Bg7 8. Be3 0-0 9. 0-0 Bxf3 10. gxf3 Nc6 11. d5 Ne5 12. Bd4 c5 13. Bxc5 Nbc4 14. Bxc4 Rc8 15. Bxe7 Qxe7 16. Be2 Nxf3+ 17. Bxf3 f5 18. e5 Bxe5 19. Re1 Qg5+ 20. Kf1 Bxh2 21. Re6 Rc4 22. Ne2 Rfc8 23. d6 Rd8 24. Qd5 Qh4 25. Re8+ Kg7 26. Rxd8 Qxd8 27. Qxc4 Qxd6 28. Bxb7 Be5 29. Qd5 Qb8 30. Nc3 Bf6 31. Rd1 Qf4 32. Qf3 Qc4+ 33. Kg1 Bh4 34. Bd5 Qb4 35. Bb3 Kh6 36. Nd5 Qc5 37. Qe3+ Qxe3 38. Nxe3 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "2.7"]
[White "Lammers, Markus"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2267"]
[BlackElo "1962"]
[PlyCount "55"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 e6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 0-0 8. Ne5 Nxe5 9. dxe5 Bb4+ 10. Bc3 Bxc3+ 11. Nxc3 Nd7 12. f4 f6 13. cxd5 cxd5 14. Qc2 fxe5 15. Bxh7+ Kh8 16. 0-0 e4 17. Bg6 Nf6 18. Qf2 Ng4 19. Qg3 Nh6 20. Nb5 Bd7 21. Nd4 Qf6 22. Rac1 Rac8 23. h3 Rfd8 24. Qg5 Kg8 25. Qh5 Be8 26. Rxc8 Bxg6 27. Rxd8+ Kh7 28. Qg5 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "6.21"]
[White "Woynowski, Manfred"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1852"]
[BlackElo "1962"]
[PlyCount "95"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 b6 7. 0-0 Bb7 8. c4 Nbd7 9. Nc3 Qe8 10. Bh2 a6 11. Rc1 e5 12. dxe5 dxe5 13. Qc2 Qe7 14. Rfd1 Rac8 15. a3 e4 16. Ne1 Rfd8 17. Rd2 Nc5 18. Rcd1 Rxd2 19. Rxd2 Rd8 20. b4 Rxd2 21. Qxd2 Ne6 22. Nc2 Nd7 23. Nd5 Qd8 24. Nf4 Nxf4 25. Bxf4 Qc8 26. Nd4 Ne5 27. Nb3 Qe8 28. c5 Qe7 29. cxb6 cxb6 30. Qc2 h6 31. Nd4 Qd7 32. a4 Nd3 33. Bxd3 exd3 34. Qxd3 Qxa4 35. Qc4 Qd7 36. Qc7 Qd5 37. Nf3 Qd1+ 38. Kh2 Bxf3 39. gxf3 Qxf3 40. Bg3 b5 41. Qc8+ Kh7 42. Qxa6 Qe2 43. Qc6 Qc4 44. Qxc4 bxc4 45. b5 c3 46. b6 c2 47. b7 c1Q 48. b8Q 1/2-1/2

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.01"]
[Round "3.22"]
[White "Kolthoff, Siegmund"]
[Black "Zegners, Dainis"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1994"]
[BlackElo "1741"]
[PlyCount "138"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Bf4 Re8 12. Rc1 Bg4 13. h3 Bh5 14. Re1 Bf8 15. Ncb5 Rc8 16. Nf5 g5 17. Bd6 Bg6 18. Bxf8 Bxf5 19. Nd6 Kxf8 20. Nxf5 Qd7 21. g4 h5 22. Qd2 Nh7 23. Qxd5 Qxd5 24. Bxd5 Red8 25. Red1 hxg4 26. hxg4 Nf6 27. Bf3 Ne5 28. Rxc8 Nxf3+ 29. exf3 Rxc8 30. Rd6 Ne8 31. Rd7 Rc7 32. Rd8 Rc2 33. b3 f6 34. Rb8 Rxa2 35. Rxb7 Rb2 36. Nd4 Rd2 37. Ne6+ Kg8 38. Rxa7 Rd3 39. b4 Rxf3 40. b5 Rb3 41. Rb7 Nd6 42. Rb8+ Kf7 43. Nc7 Rb1+ 44. Kg2 Rb2 45. Kf3 Ke7 46. b6 Rb3+ 47. Ke2 Kd7 48. Nd5 Ke6 49. Ne3 Kd7 50. Kf1 Kc6 51. Ke2 Rxb6 52. Rxb6+ Kxb6 53. Nd5+ Kc5 54. Nxf6 Kd4 55. Kf3 Ke5 56. Nd7+ Ke6 57. Nc5+ Kd5 58. Nd3 Kd4 59. Nc1 Ke5 60. Ne2 Ne4 61. Ke3 Nf6 62. f3 Nd5+ 63. Kf2 Nf6 64. Kg3 Nd5 65. Kf2 Nf6 66. Ke3 Nd5+ 67. Kd3 Nb4+ 68. Kd2 Nd5 69. Ke1 Nf6 1/2-1/2

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.17"]
[Round "5"]
[White "Kulenovic, Adnan"]
[Black "Kolthoff, Siegmund"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1911"]
[BlackElo "2033"]
[PlyCount "51"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. a3 Nf6 3. f4 Nxe4 4. Qe2 Qh4+ 5. g3 Nxg3 6. Qxe5+ Be7 7. Nf3 Qh6 8. hxg3 Qxh1 9. Qxg7 Rf8 10. Kf2 d6 11. Nc3 Qh5 12. Nb5 Na6 13. b4 Bd7 14. c4 c6 15. Bb2 cxb5 16. Re1 Be6 17. cxb5 Nc7 18. a4 Kd7 19. Qd4 Qd5 20. Qe3 Qb3 21. Qd4 Qd5 22. Qe3 Rfe8 23. Bg2 Qb3 24. Qd4 Qc4 25. Ne5+ Kd8 26. Nxc4 1-0

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.16"]
[Round "4"]
[White "Zilch, Lothar"]
[Black "Kolthoff, Siegmund"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1944"]
[BlackElo "2033"]
[PlyCount "30"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 Bxc3+ 6. bxc3 h6 7. Be2 d6 8. 0-0 0-0 9. h3 Qe7 10. Be3 b6 11. Qd2 Nd8 12. Kh2 Bb7 13. g3 Bc8 14. Nh4 Nh7 15. Nf5 Bxf5 1/2-1/2

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.15"]
[Round "3"]
[White "Kolthoff, Siegmund"]
[Black "Thomas, Tobias"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2033"]
[BlackElo "1874"]
[PlyCount "58"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. Bf4 Bg4 4. e3 e6 5. c4 Bb4+ 6. Nc3 Nf6 7. Rc1 Qe7 8. cxd5 Nxd5 9. Bg3 a6 10. Be2 0-0 11. 0-0 Bxc3 12. bxc3 Rfd8 13. e4 Nb6 14. Bh4 f6 15. Qc2 Qf7 16. h3 Bh5 17. Rfd1 Rd7 18. g4 Bg6 19. Bg3 Rad8 20. Nh4 Ne7 21. Nxg6 Qxg6 22. Re1 Qf7 23. Qb3 Nc6 24. Bxc7 Rxc7 25. Qxb6 Rdc8 26. Rb1 Qg6 27. f3 Qh6 28. Kg2 Qd2 29. Qb3 Nd8 1/2-1/2

