[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "6"]
[White "Gehrke, Mathias"]
[Black "Kewe, Stefan"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1819"]
[BlackElo "1831"]
[PlyCount "114"]
[EventDate "2020.01.02"]
[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 e6 6. Bg5 Be7 7. f4 Qa5 8. Qd2 Nxd4 9. Qxd4 Bc5 10. Qd3 Ng4 11. Bh4 Qb6 12. 0-0-0 Be3+ 13. Kb1 Bxf4 14. Qf3 Be5 15. Na4 Qb4 16. Be1 Qxa4 17. Qxg4 0-0 18. Qh5 d6 19. Bd3 Bd7 20. Bg3 Qd4 21. Bxe5 Qxe5 22. Qe2 a5 23. Qd2 Bc6 24. h4 a4 25. a3 b5 26. Ka1 b4 27. Qxb4 Rab8 28. Qc3 Qxc3 29. bxc3 Rb6 30. c4 Rfb8 31. Rh2 Rb2 32. g4 d5 33. exd5 exd5 34. Rhd2 d4 35. Be2 f6 36. Rxd4 Rxc2 37. Rd8+ Rxd8 38. Rxd8+ Kf7 39. Rd6 Be4 40. Bd3 Rd2 41. Rd4 Bxd3 42. c5 Rd1+ 43. Kb2 Be2 44. Rxa4 Rd5 45. Ra7+ Kg6 46. Re7 Bxg4 47. c6 Rc5 48. c7 Re5 49. h5+ Rxh5 50. Re4 Bh3 51. Re3 Bf5 52. Re8 Rh2+ 53. Kb3 Rc2 54. Re7 h5 55. a4 Rc1 56. a5 h4 57. Kb4 h3 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "5"]
[White "Moerke, Niklas"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1708"]
[BlackElo "1819"]
[PlyCount "79"]
[EventDate "2020.01.02"]
[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 d6 2. d4 Nf6 3. Bd3 g6 4. c4 Bg7 5. Ne2 0-0 6. Nbc3 Nbd7 7. f3 c5 8. d5 Ne5 9. 0-0 Nfd7 10. f4 Nxd3 11. Qxd3 f5 12. Ng3 fxe4 13. Ngxe4 h6 14. Bd2 Nf6 15. Nxf6+ Rxf6 16. Ne4 Rf8 17. Bc3 Bf5 18. Bxg7 Kxg7 19. Rae1 a6 20. Re3 b5 21. b3 bxc4 22. bxc4 Rb8 23. Rfe1 Rb7 24. Qc3+ Kf7 25. Ng3 Bb1 26. a3 Kg8 27. Rf1 Qb6 28. f5 Qb2 29. Qxb2 Rxb2 30. Rxe7 gxf5 31. Re6 Bd3 32. Rf4 Ra2 33. Rxd6 Rxa3 34. Rxh6 Rb8 35. h4 Rb2 36. Nxf5 Raa2 37. Rg4+ Kf8 38. Rf6+ Ke8 39. Rg8+ Kd7 40. Rf7# 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Rudolph, Max"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1819"]
[BlackElo "1798"]
[PlyCount "34"]
[EventDate "2020.01.02"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. a4 Nc6 7. Nge2 g6 8. h3 Bg7 9. Bf4 e5 10. Bh2 0-0 11. 0-0 Be6 12. Bxe6 Qxe6 13. Re1 Rfe8 14. Ng3 Rad8 15. Nce4 Nxe4 16. Nxe4 f5 17. Nc5 Qc8 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "3"]
[White "Moeller, Jonas"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "1849"]
[BlackElo "1819"]
[PlyCount "31"]
[EventDate "2020.01.02"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Be3 cxd4 7. Nxd4 0-0 8. Be2 a6 9. 0-0 b5 10. e5 Nd5 11. Nxd5 dxe5 12. Nb3 exf4 13. Nxf4 Qc7 14. Bf3 Rd8 15. Nd5 Qe5 16. Nf6+ 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "2"]
[White "Gehrke, Mathias"]
[Black "Othmer, Michael"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1819"]
[BlackElo "1995"]
[PlyCount "100"]
[EventDate "2020.01.02"]
[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 g6 2. Nf3 Bg7 3. d4 d6 4. Be3 Nf6 5. Nc3 c6 6. a4 a5 7. Qd2 Na6 8. Bh6 0-0 9. Bxg7 Kxg7 10. h3 Qc7 11. Nh2 h5 12. g4 hxg4 13. hxg4 Rh8 14. f3 Bd7 15. 0-0-0 Nb4 16. Be2 Rac8 17. Rdg1 b5 18. Nf1 bxa4 19. Ng3 c5 20. d5 Rxh1 21. Rxh1 Rh8 22. Nf5+ Bxf5 23. Rxh8 Kxh8 24. Qh6+ Nh7 25. exf5 gxf5 26. gxf5 Qc8 27. Qh5 Qg8 28. f4 Qg7 29. Qh4 Qg1+ 30. Kd2 Qd4+ 31. Kc1 Qe3+ 32. Kd1 Kg8 33. f6 Qd4+ 34. Bd3 Qg1+ 35. Kd2 Nxf6 36. Ne4 Qg2+ 37. Kc3 Nxe4+ 38. Bxe4 Qxe4 39. Qg4+ Qg6 40. Qc8+ Kg7 41. f5 Qg3+ 42. Kc4 Nxc2 43. f6+ exf6 44. Kb5 Qd3+ 45. Kxa4 Qxd5 46. Kxa5 Qa2+ 47. Kb6 Qxb2+ 48. Kc7 Qd4 49. Qh3 Ne3 50. Qg3+ Ng4 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "1"]
[White "Kiesel, Lucas"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1989"]
[BlackElo "1819"]
[PlyCount "73"]
[EventDate "2020.01.02"]
[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 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bf5 5. e3 Bg7 6. Bd3 Bxd3 7. Qxd3 0-0 8. 0-0 Nbd7 9. h3 c5 10. d5 a6 11. e4 Ne8 12. Bf4 Nc7 13. Rab1 b5 14. b3 Nb6 15. e5 b4 16. Ne4 Nc8 17. Rfd1 a5 18. Qe3 Re8 19. Rbc1 f6 20. e6 Nb6 21. Nxc5 dxc5 22. Qxc5 Na6 23. Qb5 Nc8 24. c5 Bf8 25. Nd4 Nd6 26. cxd6 exd6 27. Rc6 Nc7 28. Qc4 Ra7 29. Rc1 Na8 30. Nb5 Nb6 31. Qd4 Rb7 32. Nc7 Re7 33. Bxd6 Rg7 34. Bxf8 Rbxc7 35. e7 Rcxe7 36. Bxe7 Qxe7 37. Rxb6 1-0

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.06"]
[Round "7.7"]
[White "Hilker, Bjoern"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1972"]
[BlackElo "1727"]
[PlyCount "91"]
[EventDate "2019.10.03"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 e5 8. 0-0-0 b4 9. Ne2 a5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. f3 Be6 13. Kb1 Be7 14. g4 Qb8 15. g5 Nd7 16. f4 Nb6 17. f5 gxf5 18. exf5 Bd5 19. f6 Bd6 20. Rhe1 Kd7 21. Bxb6 Qxb6 22. Be4 Qc5 23. Bxd5 cxd5 24. Qxd5 Qxd5 25. Rxd5 Kc6 26. Red1 Bc7 27. c4 bxc3 28. Nxc3 Rhd8 29. Rxd8 Rxd8 30. Rxd8 Bxd8 31. Kc2 Bb6 32. Kd3 Bg1 33. h3 Bd4 34. Kc4 Be3 35. Ne4 a4 36. b4 axb3 37. axb3 Kd7 38. Kd5 Bf4 39. b4 Kc7 40. h4 Kd7 41. b5 Kc7 42. Nd6 Bg3 43. h5 Bh4 44. Nxf7 h6 45. gxh6 Bxf6 46. h7 1-0

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.05"]
[Round "6.8"]
[White "Gehrke, Mathias"]
[Black "Brockmeyer, Tobias"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1727"]
[BlackElo "1917"]
[PlyCount "78"]
[EventDate "2019.10.03"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bg5 f6 7. exf6 Nxf6 8. Bb5+ Nc6 9. Ne5 Bd7 10. Bxf6 Qxf6 11. Nxd7 Kxd7 12. dxc5 Bxc5 13. 0-0 Bd6 14. Qg4 Rae8 15. Rae1 Kc7 16. Bxc6 bxc6 17. Re2 Rhf8 18. Qa4 Kb7 19. Nd1 Qf4 20. Qb3+ Qb4 21. Qh3 Qf4 22. Re3 Qf5 23. Rb3+ Kc7 24. Qc3 Qe5 25. Qa5+ Kd7 26. g3 h5 27. Re1 Bc7 28. Rxe5 Bxa5 29. Rxh5 Bb6 30. Rg5 Rf7 31. Kg2 e5 32. Rg6 Re6 33. Rxe6 Kxe6 34. g4 Rf4 35. Kg3 g6 36. Rf3 Rd4 37. Rd3 Rf4 38. Rf3 Rd4 39. Rd3 Rf4 1/2-1/2

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.05"]
[Round "5.10"]
[White "Kubicki, Ulrich"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1901"]
[BlackElo "1727"]
[PlyCount "86"]
[EventDate "2019.10.03"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. d5 0-0 7. Bc4 Bg4 8. 0-0 Nbd7 9. a4 a6 10. h3 Bxf3 11. Qxf3 Rc8 12. a5 Ne8 13. g4 Nc7 14. Bd2 Ra8 15. Qe2 Qb8 16. Na4 b5 17. axb6 Nxb6 18. Nxb6 Qxb6 19. Ba5 Qb7 20. Bc3 Nb5 21. Bxg7 Kxg7 22. c3 Rfb8 23. Ra2 Nc7 24. Re1 Nb5 25. Ra5 Nc7 26. b3 Nb5 27. Kg2 Kg8 28. Qd3 Nc7 29. h4 Qc8 30. f5 Rb6 31. Qe3 Rab8 32. Ra3 Qf8 33. fxg6 hxg6 34. Qg5 Qg7 35. Rc1 Nb5 36. Bxb5 Rxb5 37. Qxe7 Rxb3 38. Qxd6 Qh6 39. Rxb3 Qd2+ 40. Kg3 Qe3+ 41. Kh2 Rxb3 42. Qd8+ Kg7 43. Qg5 Rb2+ 0-1

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.04"]
[Round "4.9"]
[White "Gehrke, Mathias"]
[Black "Von Mettenheim, Johannes"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1727"]
[BlackElo "1955"]
[PlyCount "65"]
[EventDate "2019.10.03"]
[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 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bf4 Ne7 6. Qd3 Ng6 7. Bg3 0-0 8. h4 c5 9. Nge2 cxd4 10. Qxd4 Nc6 11. Qf2 d4 12. 0-0-0 Qa5 13. Nxd4 Bxc3 14. Nb3 Qxa2 15. bxc3 Na5 16. h5 Qa3+ 17. Kd2 Nxb3+ 18. cxb3 Ne7 19. Ke1 Qxb3 20. Qd2 Nc6 21. h6 g6 22. Bd3 e5 23. Rb1 Qe6 24. Bh4 a5 25. Rb6 a4 26. Bb1 Qc4 27. Ba2 Qc5 28. Bf2 Qa5 29. Qg5 Qxc3+ 30. Ke2 Qc2+ 31. Ke1 Qc3+ 32. Ke2 Qc2+ 33. Ke1 1/2-1/2

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.04"]
[Round "3.5"]
[White "Herrmann, Andreas"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2079"]
[BlackElo "1727"]
[PlyCount "73"]
[EventDate "2019.10.03"]
[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 d6 2. Nf3 Nf6 3. c3 g6 4. Bg5 Bg7 5. Nbd2 Bf5 6. Qb3 Qc8 7. Bxf6 Bxf6 8. e4 Be6 9. Bc4 Bxc4 10. Nxc4 Nd7 11. 0-0 e5 12. Ne3 c6 13. Rfd1 0-0 14. Nc4 Qc7 15. a4 Rab8 16. Nxd6 Be7 17. Nc4 exd4 18. cxd4 b5 19. axb5 Rxb5 20. Qd3 Rfb8 21. Rac1 Bf6 22. Rc2 Rb3 23. Qe2 c5 24. e5 Bg7 25. d5 Re8 26. Nfd2 Bxe5 27. Nxe5 Rxe5 28. Nxb3 Rxe2 29. Rxe2 c4 30. Nd2 c3 31. bxc3 Qxc3 32. Nf3 Qb3 33. Ra1 Qxd5 34. Rxa7 Nb6 35. h4 h6 36. Re8+ Kg7 37. Ne5 1-0

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.03"]
[Round "2.3"]
[White "Gehrke, Mathias"]
[Black "Schulze, Torben"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1727"]
[BlackElo "2285"]
[PlyCount "86"]
[EventDate "2019.10.03"]
[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 e6 6. Be2 Bb4 7. Bg5 Qa5 8. Bxf6 gxf6 9. 0-0 a6 10. Nxc6 bxc6 11. Qd4 Be7 12. Rad1 h5 13. Kh1 h4 14. f4 Rb8 15. b3 Qc7 16. e5 f5 17. Rf3 Rg8 18. Rfd3 c5 19. Qf2 c4 20. Rd4 Qa7 21. Qf1 h3 22. g3 Bb7+ 23. Bf3 Qa8 24. Bxb7 Qxb7+ 25. Nd5 cxb3 26. axb3 Rh8 27. Qxa6 exd5 28. Qd3 Rh6 29. Qxf5 Rc8 30. Rxd5 Rc5 31. Qd3 Qxd5+ 32. Qxd5 Rxd5 33. Rxd5 Ra6 34. Kg1 Ra1+ 35. Kf2 Rh1 36. g4 Bh4+ 37. Kf3 Rxh2 38. g5 Rxc2 39. Rd1 h2 40. Rh1 Rc3+ 41. Kg4 Bg3 42. f5 Bxe5 43. f6 Rg3+ 0-1

[Event "Hannover Bezirks-ch A"]
[Site "Lehrte"]
[Date "2019.10.03"]
[Round "1.7"]
[White "Reimer, Philip"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1952"]
[BlackElo "1727"]
[PlyCount "124"]
[EventDate "2019.10.03"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 Nfd7 7. Ng5 h6 8. Nxf7 Kxf7 9. e6+ Kg8 10. exd7 Nxd7 11. Bc4+ Kh7 12. dxc5 Qa5 13. Bd3 Nxc5 14. 0-0 Nxd3 15. Qxd3 Bf5 16. Qf3 Bd4+ 17. Kh1 Bxc3 18. bxc3 d5 19. Qe3 e6 20. Qe5 Rac8 21. Be3 Qc7 22. Qxc7+ Rxc7 23. Bxa7 Ra8 24. Bd4 Bxc2 25. Rf2 Be4 26. a4 b5 27. a5 Ra6 28. h3 Kg8 29. Kh2 Rc8 30. g4 Kf7 31. Kg3 Rca8 32. Rfa2 Bd3 33. h4 Bc4 34. Ra3 Bd3 35. Kf3 h5 36. Ke3 Be4 37. g5 Ke7 38. R3a2 Kd7 39. Bb6 Rc8 40. Rc1 Rc4 41. Rb2 Kc6 42. Rb4 Ra8 43. Rxc4+ bxc4 44. Ra1 Kb5 45. Ra2 Rf8 46. Bd4 Ka6 47. Bb6 Rf7 48. Rb2 Rb7 49. Kd4 Rf7 50. Rf2 Bf5 51. Ke5 Rd7 52. Kf6 d4 53. cxd4 c3 54. Rf1 Rd5 55. Rf3 c2 56. Rc3 Rb5 57. Bc5 Rb1 58. Ba3 Kxa5 59. Ke5 Ka4 60. d5 exd5 61. Kd4 Rd1+ 62. Ke3 d4+ 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.04.27"]
[Round "6.5"]
[White "Schmerse, Joachim"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1566"]
[BlackElo "1773"]
[PlyCount "116"]
[EventDate "2019.01.19"]
[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 g6 2. Nc3 Bg7 3. d3 Nf6 4. g3 0-0 5. Bg2 d6 6. Nf3 c6 7. 0-0 Qc7 8. Ng5 a6 9. Nge4 Nbd7 10. Nxf6+ Nxf6 11. Ne4 Nxe4 12. Bxe4 Bh3 13. Bg2 Bxg2 14. Kxg2 Rfb8 15. Rb1 b5 16. Qc2 bxc4 17. Qxc4 a5 18. b3 Rb4 19. Qc2 Qd7 20. Bd2 Rb5 21. Be3 h5 22. h4 Bf6 23. f3 g5 24. hxg5 Bxg5 25. Bxg5 Rxg5 26. Rh1 Qe6 27. d4 Qe3 28. Rbd1 f5 29. Qd2 Qxd2 30. Rxd2 f4 31. Rh3 Kf7 32. Kf2 fxg3+ 33. Rxg3 Rag8 34. Rxg5 Rxg5 35. Rd1 Rb5 36. Rd3 Rb4 37. e4 a4 38. Ke3 Kf6 39. f4 axb3 40. axb3 e5 41. dxe5+ dxe5 42. Rd6+ Ke7 43. fxe5 Rxb3+ 44. Kf4 h4 45. Rxc6 h3 46. Rh6 Rd3 47. Kg4 Re3 48. Rxh3 Rxh3 49. Kxh3 Ke6 50. Kg4 Kxe5 51. Kf3 Ke6 52. Kf4 Kf6 53. e5+ Ke6 54. Ke4 Ke7 55. Kd5 Kd7 56. e6+ Ke7 57. Ke5 Ke8 58. Kd6 Kd8 1/2-1/2

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.04.06"]
[Round "5.9"]
[White "Gehrke, Mathias"]
[Black "Basic, Miroslav"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1773"]
[BlackElo "1464"]
[PlyCount "65"]
[EventDate "2019.01.19"]
[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 e6 2. c4 d5 3. g3 Nf6 4. Bg2 c5 5. cxd5 exd5 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. dxc5 Bxc5 10. b4 Be7 11. Bb2 a6 12. Nbd2 Bg4 13. Nb3 Ne4 14. Ne5 Nxe5 15. Bxe5 Be6 16. Rc1 Rc8 17. Na5 Qd7 18. Rxc8 Qxc8 19. Qd4 f6 20. Bf4 Bd8 21. Rc1 Qd7 22. Bxe4 dxe4 23. Qxd7 Bxd7 24. Nxb7 Bb5 25. Kf1 g5 26. Be3 Be7 27. Rc7 Re8 28. Bc5 Bxc5 29. Nxc5 Rd8 30. Ke1 f5 31. a4 Bc4 32. Nb7 Rd4 33. e3 1-0

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.03.23"]
[Round "4.6"]
[White "Zweigait, Bjoern"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1692"]
[BlackElo "1773"]
[PlyCount "71"]
[EventDate "2019.01.19"]
[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. Bf4 d6 4. e3 Be7 5. Bd3 b6 6. Nbd2 Bb7 7. c3 Nbd7 8. Qc2 0-0 9. g4 Nxg4 10. Bxh7+ Kh8 11. Bd3 f5 12. h3 Ngf6 13. Rg1 Nh5 14. Bg5 a6 15. Qd1 Nhf6 16. Nh4 Qe8 17. Qb3 Bd8 18. Bf4 g5 19. Rxg5 Rg8 20. Rxg8+ Qxg8 21. 0-0-0 Ne4 22. Bxe4 fxe4 23. Bg3 d5 24. Ng2 c5 25. Rg1 cxd4 26. exd4 Bf6 27. Qd1 Qh7 28. Ne3 Rc8 29. Qg4 e5 30. dxe5 Nxe5 31. Bxe5 Bxe5 32. Nxd5 Rc5 33. Nf4 Bf6 34. Ng6+ Kg7 35. Ne5+ Kh8 36. Qe6 1-0

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.03.02"]
[Round "3.4"]
[White "Gehrke, Mathias"]
[Black "Kiesewetter, Oliver"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "1773"]
[BlackElo "1782"]
[PlyCount "114"]
[EventDate "2019.01.19"]
[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. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 0-0 7. 0-0 Nc6 8. h3 Nb6 9. e3 e5 10. dxe5 Qe7 11. Nc3 Rd8 12. Qe2 Be6 13. b3 Nxe5 14. Nxe5 Bxe5 15. Bb2 c6 16. Ne4 Bxh3 17. Bxh3 Bxb2 18. Qxb2 Qxe4 19. Rae1 Qb4 20. a3 Rd2 21. Qc1 Qd6 22. e4 Rd8 23. e5 Qd4 24. e6 fxe6 25. Bxe6+ Kg7 26. Bc4 Nxc4 27. bxc4 Rf8 28. Qa1 Qxa1 29. Rxa1 Rf3 30. c5 Rc2 31. Rab1 Rf7 32. Rbc1 Rfxf2 33. Rxc2 Rxc2 34. Rb1 b5 35. cxb6 axb6 36. Rxb6 Rc3 37. Kg2 Kh6 38. a4 Kg5 39. a5 c5 40. Rb7 h5 41. Rb6 Kf5 42. a6 Ra3 43. Rc6 Ra5 44. a7 Rxa7 45. Rxc5+ Kg4 46. Rc4+ Kg5 47. Rc5+ Kh6 48. Kh3 Ra1 49. Kg2 Ra3 50. Rb5 Ra2+ 51. Kh3 Rf2 52. Rc5 Rf5 53. Rc6 Kg7 54. Rc7+ Rf7 55. Rc5 Rf6 56. g4 Rf3+ 57. Kh4 Rf4 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.02.16"]
[Round "2.7"]
[White "Kiesel, Lara"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1517"]
[BlackElo "1773"]
[PlyCount "90"]
[EventDate "2019.01.19"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Nge2 b5 8. Qd2 b4 9. Nd1 h5 10. h3 Qc7 11. d4 Na5 12. dxc5 Nc4 13. cxd6 exd6 14. Qc1 Nxe3 15. Nxe3 Nf6 16. c3 0-0 17. 0-0 Re8 18. Qc2 Bb7 19. Nd5 Nxd5 20. exd5 Qc4 21. Rfe1 Re7 22. Qd2 Rbe8 23. Bf3 Ba6 24. Nd4 bxc3 25. bxc3 Rxe1+ 26. Rxe1 Rc8 27. Be2 Qxc3 28. Qxc3 Rxc3 29. Bxa6 Bxd4 30. Re2 h4 31. Kg2 hxg3 32. fxg3 Be5 33. g4 Rg3+ 34. Kf2 Rxh3 35. Bb5 Kg7 36. a4 a5 37. Bd7 Rd3 38. Bc6 Rd4 39. Kf3 Rf4+ 40. Kg3 Kh6 41. Kh3 Kg5 42. Bd7 Rd4 43. Rf2 f6 44. Be6 Rxa4 45. Rf3 Ra2 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2019.01.19"]
[Round "1.7"]
[White "Gehrke, Mathias"]
[Black "Nagel, Detlev"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "1773"]
[BlackElo "1502"]
[PlyCount "102"]
[EventDate "2019.01.19"]
[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 d5 2. c4 dxc4 3. Nf3 Bf5 4. e3 e6 5. Bxc4 c5 6. 0-0 cxd4 7. Bb5+ Nc6 8. Qa4 Qb6 9. Nxd4 Nge7 10. Na3 a6 11. Bd2 Qa7 12. Bxc6+ bxc6 13. Nc4 Bd3 14. Rfc1 Bxc4 15. Rxc4 Rd8 16. Bb4 Qd7 17. Bxe7 Bxe7 18. Qxc6 0-0 19. Kf1 e5 20. Qxd7 Rxd7 21. Nf5 Bf6 22. e4 g6 23. Nh6+ Kg7 24. Ng4 Rfd8 25. Nxf6 Kxf6 26. Rc6+ Rd6 27. Rac1 h5 28. b4 Ke7 29. Rc7+ R8d7 30. Rxd7+ Kxd7 31. Rc4 Rd2 32. a4 Rb2 33. h4 f6 34. g3 Kd6 35. f4 Kd7 36. a5 Kd6 37. f5 gxf5 38. exf5 Kd5 39. Rc5+ Kd6 40. Kg1 Rxb4 41. Rc8 Rb5 42. Rh8 e4 43. Rxh5 Ke5 44. Rh8 Rxa5 45. g4 Kf4 46. h5 Kxg4 47. h6 Kh5 48. Rg8 Kxh6 49. Rg6+ Kh7 50. Rxf6 Kg7 51. Re6 Rxf5 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.06"]
[Round "7"]
[White "Gehrke, Mathias"]
[Black "Aden, Tammo"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "1810"]
[BlackElo "1722"]
[PlyCount "76"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Nbd2 Qc7 9. Re1 b6 10. cxd5 Nxd5 11. e4 N5f6 12. a3 Bb7 13. e5 Nd5 14. Bh3 c5 15. Ne4 cxd4 16. Qd3 Nxe5 17. Nxe5 Qxe5 18. Bd2 Qh5 19. Bg2 Rfd8 20. Bf3 Qf5 21. g4 Qg6 22. Qxd4 Nf6 23. Nxf6+ Bxf6 24. Qe3 Bxf3 25. Qxf3 Qd3 26. Be3 Qd5 27. Qe2 Qb3 28. g5 Bd4 29. Rac1 Bxe3 30. fxe3 Rd5 31. h4 Rad8 32. Rc7 Qa4 33. e4 Qd4+ 34. Kh1 R5d7 35. Rxd7 Rxd7 36. Rf1 Qd2 37. Qf3 Qd3 38. Qf4 Qd6 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "5"]
[White "Gehrke, Mathias"]
[Black "Lapehn, Klaus"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1810"]
[BlackElo "1627"]
[PlyCount "43"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 0-0 5. Nf3 b6 6. Nc3 Bb7 7. Qc2 d6 8. e4 Nbd7 9. 0-0 e5 10. Rd1 exd4 11. Nxd4 Qc8 12. b3 Re8 13. a4 a5 14. Ndb5 Bf8 15. f3 g6 16. Bh3 Bg7 17. Ba3 Qd8 18. Rac1 Bf8 19. Qd2 Ne5 20. Qe3 Nc6 21. Nd5 Re7 22. Nxf6+ 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "6"]
[White "Niemann, Leon Pascal"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1667"]
[BlackElo "1810"]
[PlyCount "48"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. c3 Qc7 14. Bh6 Bxh6 15. Qxh6 e5 16. Kb1 Rb8 17. Qc1 Be6 18. Bd3 Qa5 19. Rd2 Rfc8 20. Rc2 e4 21. Be2 d4 22. c4 d3 23. Bxd3 exd3 24. Rc3 d2 0-1

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "3"]
[White "Gehrke, Mathias"]
[Black "Weist, Hartmut"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1810"]
[BlackElo "1614"]
[PlyCount "103"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 Nc6 7. Ngf3 0-0 8. 0-0 b6 9. Qc2 Bb7 10. cxd5 exd5 11. Rac1 Qd6 12. e3 Rac8 13. Bh3 Rce8 14. a3 a5 15. Ne5 Nxe5 16. dxe5 Qxe5 17. Qxc7 Ba6 18. Qxe5 Rxe5 19. Rfe1 g5 20. Rc6 Ne4 21. Nxe4 dxe4 22. Rxb6 Bc8 23. Bf1 Rd8 24. Rb8 Red5 25. Rc1 Be6 26. Rxd8+ Rxd8 27. b4 axb4 28. axb4 Rd2 29. Ba6 Rb2 30. Bc8 Rxb4 31. Bxe6 fxe6 32. Rc6 Kf7 33. Rc2 Kg6 34. g4 h5 35. gxh5+ Kxh5 36. Rc6 Kg4 37. Rxe6 Kf3 38. Rf6+ Kg4 39. Kg2 Kh5 40. Kg3 Rb1 41. Kg2 Rb2 42. Re6 Rb4 43. Re8 Kg4 44. h3+ Kf5 45. Rf8+ Kg6 46. Kg3 Rb1 47. h4 gxh4+ 48. Kxh4 Rh1+ 49. Kg4 Rf1 50. Rf4 Rg1+ 51. Kh3 Kg5 52. Rxe4 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "4"]
[White "Kiesel, Lara"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1561"]
[BlackElo "1810"]
[PlyCount "38"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. f4 0-0 8. Nf3 Rb8 9. 0-0 b5 10. h3 b4 11. Ne2 Nd7 12. Rb1 Qa5 13. f5 Qxa2 14. b3 Qa5 15. Qd2 Bh8 16. fxg6 fxg6 17. Bh6 Rf7 18. Ng5 Rxf1+ 19. Rxf1 Nde5 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "2"]
[White "Bussler, Leonid"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1672"]
[BlackElo "1810"]
[PlyCount "145"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Nf6 4. Nf3 Nxd5 5. Bc4 Nc6 6. d4 cxd4 7. Nxd4 e5 8. Nxc6 bxc6 9. 0-0 Bc5 10. Nd2 0-0 11. Ne4 Bb6 12. Bg5 Qd7 13. h3 f5 14. Nd2 f4 15. Nf3 Bc7 16. Be7 Qxe7 17. Bxd5+ cxd5 18. Qxd5+ Be6 19. Qe4 Bf5 20. Qe2 Rad8 21. Rad1 Rxd1 22. Rxd1 Re8 23. Re1 Bg6 24. Nd4 Qc5 25. Nb3 Qc6 26. Nd2 Bb6 27. c4 e4 28. b4 e3 29. fxe3 Bxe3+ 30. Kh1 Bxd2 31. Qxd2 Rxe1+ 32. Qxe1 Be4 33. Qf1 g5 34. c5 Qd5 35. Qf2 a6 36. a4 Qa2 37. Kh2 Qxa4 38. Qd4 Qc6 39. Qd8+ Kf7 40. Qxg5 Qg6 41. Qxf4+ Kg7 42. Qe5+ Kf7 43. g3 Qf5 44. Qxf5+ Bxf5 45. g4 Be4 46. Kg3 Ke6 47. Kf4 Bg2 48. h4 Kd5 49. g5 Kc4 50. h5 Kxb4 51. g6 hxg6 52. h6 g5+ 53. Kf5 Kxc5 54. h7 a5 55. h8Q Bd5 56. Qc3+ Kb5 57. Kxg5 a4 58. Qb2+ Bb3 59. Qa3 Kc4 60. Kf4 Kc3 61. Ke3 Kc4 62. Kd2 Kd4 63. Qb2+ Kc4 64. Qc3+ Kb5 65. Kd3 Kb6 66. Kd4 Kb5 67. Qc5+ Ka6 68. Qc6+ Ka7 69. Qb5 Bd1 70. Kc5 Bc2 71. Qb6+ Ka8 72. Kd6 a3 73. Kc7 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "1"]
[White "Gehrke, Mathias"]
[Black "Helmer, Andreas"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1810"]
[BlackElo "1518"]
[PlyCount "78"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. g3 Nf6 4. Bg2 b6 5. Nf3 Bd6 6. 0-0 0-0 7. Qc2 Nbd7 8. Nbd2 Bb7 9. e4 Nxe4 10. Nxe4 dxe4 11. Ng5 Nf6 12. Nxe4 Nxe4 13. Bxe4 Bxe4 14. Qxe4 Qf6 15. Be3 Rfd8 16. Qc6 Rdc8 17. Rad1 Qd8 18. c5 Be7 19. d5 e5 20. b4 Qe8 21. Qxe8+ Rxe8 22. Rd2 Rad8 23. f4 exf4 24. Bxf4 bxc5 25. Bxc7 Rd7 26. d6 cxb4 27. Re1 f5 28. Rxe7 Rexe7 29. dxe7 Rxe7 30. Ba5 Rb7 31. Rb2 Rb5 32. Bxb4 Kf7 33. Kf2 g5 34. Bc3 Rc5 35. Bd4 Rc7 36. Kf3 Ke6 37. Rb5 Rc2 38. Re5+ Kd6 39. Re2 Rc7 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.07"]
[Round "7.7"]
[White "Brockmann, Marc"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1674"]
[BlackElo "1765"]
[PlyCount "78"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bc5 3. Ne4 Be7 4. Nf3 f5 5. Nc3 Nc6 6. g3 e4 7. Ng1 Nf6 8. Bg2 0-0 9. e3 Ne5 10. Nh3 Nd3+ 11. Ke2 Bd6 12. Nb5 Be5 13. Qb3 c5 14. f4 Bb8 15. Nf2 Nxf2 16. Kxf2 Ng4+ 17. Ke2 g5 18. h3 gxf4 19. gxf4 Nf6 20. Rg1 Kf7 21. Qd1 Nh5 22. Qe1 Rg8 23. Bh1 Rxg1 24. Qxg1 Qh4 25. Qg2 d5 26. d4 cxd4 27. Nxd4 dxc4 28. Bd2 Bd7 29. Rg1 Bd6 30. Qg5 Qxh3 31. Ke1 Be7 32. Qh6 Rh8 33. Rg7+ Ke8 34. Rxe7+ Kxe7 35. Bb4+ Kd8 36. Qg5+ Kc8 37. Qe7 Qxe3+ 38. Ne2 b6 39. Qe5 Rg8 0-1

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.06"]
[Round "5.7"]
[White "Gehrke, Mathias"]
[Black "Minde, Frank"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "1765"]
[BlackElo "1782"]
[PlyCount "81"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Bg5 Bg7 6. Qd2 h6 7. Bf4 Nbd7 8. h4 Nh5 9. Bh2 Ne5 10. e3 0-0 11. f3 e6 12. Bxe5 Bxe5 13. g4 Ng3 14. Rh3 Nxf1 15. Kxf1 exd5 16. Nxd5 Be6 17. f4 Bg7 18. Qg2 Kh8 19. Nf3 h5 20. Rg3 Bxg4 21. Rxg4 hxg4 22. Qxg4 Qc8 23. Qg2 Qf5 24. Rd1 Rae8 25. Ng5 Qd7 26. Qf3 f6 27. Ne4 b5 28. h5 g5 29. h6 Bxh6 30. Nexf6 Qf7 31. Qh3 Kg7 32. fxg5 Qg6 33. gxh6+ Qxh6 34. Qxh6+ Kxh6 35. Ke2 Rb8 36. Nd7 bxc4 37. Nxf8 Rxf8 38. Nf4 Rb8 39. Rxd6+ Kg5 40. Rd2 a5 41. Ne6+ 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.06"]
[Round "6.5"]
[White "Seidenstuecker, Hans Lennart"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1720"]
[BlackElo "1765"]
[PlyCount "68"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. Nc3 c5 5. cxd5 exd5 6. d4 Nc6 7. Be2 Bd6 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 a6 11. Bb2 Be6 12. Na4 Be7 13. Nd4 Ne4 14. Bf3 Nxd4 15. Bxd4 b5 16. Nc3 Nxc3 17. Bxc3 Bf6 18. Bd4 Bxd4 19. Qxd4 Qg5 20. Rfd1 Rfd8 21. Rac1 Rac8 22. g3 h5 23. b4 Qf5 24. Bg2 Rc2 25. e4 Qxf2+ 26. Qxf2 Rxf2 27. Kxf2 d4 28. Rd2 d3 29. Bf1 Rd4 30. a3 Rxe4 31. Bxd3 Rg4 32. Rc6 a5 33. bxa5 Ra4 34. Bc2 Rxa5 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.05"]
[Round "4.6"]
[White "Braun, Alexander"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1754"]
[BlackElo "1765"]
[PlyCount "41"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. 0-0 Nf6 8. b4 b5 9. Bb3 Bg4 10. Be3 Rc8 11. Rc1 Nxb4 12. Bxf7+ Kxf7 13. Qb3+ d5 14. Ng5+ Ke8 15. f3 Rc4 16. fxg4 d4 17. Nxb5 axb5 18. Rxc4 bxc4 19. Qxc4 dxe3 20. Qf7+ Kd7 21. Rd1+ 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.05"]
[Round "3.3"]
[White "Walther, Jonas"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1781"]
[BlackElo "1765"]
[PlyCount "55"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 g6 6. 0-0 Bg7 7. Re1 0-0 8. Nbd2 Rb8 9. Nf1 b5 10. Ng3 b4 11. d4 bxc3 12. bxc3 cxd4 13. cxd4 Nd7 14. Be3 Qa5 15. Qc1 Bb7 16. Bh6 Rfc8 17. Bxg7 Kxg7 18. Qf4 e5 19. Qg4 Nf6 20. Qg5 Ne7 21. Nh4 Neg8 22. Nhf5+ Kf8 23. Nxd6 Rc6 24. Nc4 Qc7 25. Nxe5 Rc2 26. Bd3 h6 27. Qf4 Rb2 28. Nxg6+ 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.04"]
[Round "1.1"]
[White "Gehrke, Mathias"]
[Black "Engelking, Michael"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1765"]
[BlackElo "1913"]
[PlyCount "107"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. Qc2 Re8 7. 0-0 Nbd7 8. b3 c6 9. Nc3 b6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 13. Bb2 Qc7 14. Rac1 Bf6 15. Ne5 Bxe5 16. dxe5 Rad8 17. b4 Ba8 18. c5 bxc5 19. bxc5 Qa5 20. Qc4 Bb7 21. Bc3 Qa3 22. Qb3 Qxb3 23. axb3 Nxc5 24. b4 Na4 25. b5 Nxc3 26. Rxc3 Rc8 27. bxc6 Ba8 28. Rd1 g6 29. Rd7 a5 30. f4 a4 31. Kf2 a3 32. Rd6 Rc7 33. Rxa3 Rec8 34. Rc3 Kf8 35. Ke3 Ke7 36. Kd4 Ke8 37. Kc5 Ra7 38. Rc2 Ra3 39. Rb2 Rc3+ 40. Kd4 Rc1 41. Rb6 Ke7 42. Be4 Rc7 43. Ra6 Rc8 44. g4 Ke8 45. f5 exf5 46. gxf5 Ke7 47. f6+ Ke8 48. Bd5 Rd1+ 49. Kc5 Rc1+ 50. Bc4 Bb7 51. Rb6 Ba8 52. e6 fxe6 53. Rxe6+ Kf8 54. f7 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Hannover"]
[Date "2018.10.04"]
[Round "2.1"]
[White "Gehrke, Mathias"]
[Black "Roehrkasten, Reinhard"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "1765"]
[BlackElo "1927"]
[PlyCount "57"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. e5 Ne8 6. f4 d6 7. Bd3 dxe5 8. dxe5 Bf5 9. Bxf5 Qxd1+ 10. Kxd1 gxf5 11. Nf3 Nc6 12. Be3 b6 13. Ke2 e6 14. Rad1 f6 15. Rd7 fxe5 16. Ng5 Rf6 17. Nb5 exf4 18. Nxc7 Nxc7 19. Rxc7 e5 20. Bd2 Rg6 21. h4 Nd4+ 22. Kf2 Ne6 23. Nxe6 Rxe6 24. g3 fxg3+ 25. Kxg3 Rd8 26. Bc3 a5 27. h5 Rd3+ 28. Kf2 Bf6 29. Rg1+ 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.07"]
[Round "7"]
[White "Ter Stal, Lars"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1621"]
[BlackElo "1731"]
[PlyCount "75"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. f4 Bb7 4. Nf3 e6 5. Bd3 c5 6. c3 d6 7. 0-0 Nbd7 8. Bd2 Ne4 9. Be1 f5 10. Nbd2 Nxd2 11. Qxd2 Qf6 12. Bh4 Qg6 13. Bb5 Be7 14. dxc5 Bxf3 15. Rxf3 Bxh4 16. Qxd6 Be7 17. Qxd7+ Kf7 18. Rg3 Qf6 19. c6 Rhd8 20. Qb7 Rdb8 21. Qa6 Bd6 22. Rd1 Qe7 23. Qa4 g6 24. Ba6 Rd8 25. Rh3 h5 26. Bb7 Rab8 27. b4 Rxb7 28. cxb7 Qxb7 29. Rf3 b5 30. Qb3 Qe4 31. Rd4 Qc6 32. Rf1 Rc8 33. Rfd1 Be7 34. Rd7 Qxc3 35. Qxc3 Rxc3 36. Rxa7 Kf6 37. Rdd7 Bxb4 38. Rf7# 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "6"]
[White "Gehrke, Mathias"]
[Black "Frese, Immo"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1731"]
[BlackElo "1654"]
[PlyCount "58"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. cxd5 exd5 7. Bd3 Nbd7 8. Qc2 h6 9. Bh4 Re8 10. Nf3 c6 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Nd2 Ndf6 14. Rae1 Bf5 15. f3 Nxd2 16. Qxd2 Bxd3 17. Qxd3 Rad8 18. e4 dxe4 19. fxe4 Qd7 20. Rd1 Qc7 21. Rf3 Ng4 22. Rg3 Ne5 23. Qe3 Nc4 24. Qe2 Nd6 25. Qg4 g6 26. h4 Nxe4 27. Nxe4 Rxe4 28. Qxe4 Qxg3 29. Qe7 Qd6 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "5"]
[White "Oberbacher, Michael"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "1509"]
[BlackElo "1731"]
[PlyCount "87"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. f3 Be7 5. Qd2 0-0 6. e4 Nfd7 7. Be3 dxe4 8. fxe4 b6 9. Nf3 Bb7 10. Bd3 Nc6 11. 0-0 Rc8 12. a3 Ncb8 13. Qf2 c5 14. Qg3 Re8 15. Ng5 Rf8 16. e5 Bxg5 17. Bxg5 f6 18. Qh3 g6 19. Qxe6+ Kg7 20. exf6+ Nxf6 21. dxc5 Rxc5 22. Bd2 Re8 23. Qh3 Qd4+ 24. Kh1 Ng4 25. Qg3 Rh5 26. h3 Ne3 27. Bxe3 Qxe3 28. Qxe3 Rxe3 29. Kg1 Rg5 30. Rf2 Rxh3 31. Re1 Nc6 32. Ne4 Rg4 33. Nf6 Rgg3 34. Ne4 Re3 35. Ref1 Rh4 36. Rf7+ Kh6 37. Rxb7 Rhxe4 38. Bxe4 Rxe4 39. Rc7 Nd4 40. c3 Ne2+ 41. Kf2 Nf4 42. Kf3 Re6 43. Kg4 Nd5 44. Rh1# 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Brunner, Sophia"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "1731"]
[BlackElo "1822"]
[PlyCount "118"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Nbd7 10. Nf3 Bg7 11. Kg2 0-0 12. Re1 Qb8 13. Qe2 Nb6 14. Bg5 Qb7 15. Rad1 Rfb8 16. Qd3 Ne8 17. Re2 f6 18. Bc1 Nc7 19. Nh4 Na4 20. f4 Qb4 21. Nf3 Qa5 22. Rdd2 Rb7 23. Rc2 Na6 24. a3 Nc7 25. e5 f5 26. h3 Nxc3 27. Rxc3 dxe5 28. fxe5 c4 29. Qxc4 Qxd5 30. Qxd5+ Nxd5 31. Rd3 Nb6 32. Rc2 Nd7 33. Bf4 Kf7 34. b4 Ke8 35. Rdc3 Nb6 36. Rd3 Nd7 37. g4 fxg4 38. hxg4 Rba7 39. Rcc3 h6 40. Rb3 Rb7 41. Kf2 Rb5 42. Re3 e6 43. Ke2 Kf7 44. Kd2 Nb6 45. Ke2 Nd5 46. Re4 Rb6 47. Be3 Rba6 48. Bc1 Rc6 49. Be3 Nc3+ 50. Kd3 Nxe4 51. Kxe4 Rc4+ 52. Bd4 Bf8 53. Kd3 Rc7 54. Nd2 h5 55. gxh5 gxh5 56. Ne4 Rd7 57. Kc4 Rc8+ 58. Nc5 Be7 59. a4 h4 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "3"]
[White "Goes, Carsten"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1634"]
[BlackElo "1731"]
[PlyCount "88"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g6 5. Nf3 Bg7 6. Bc4 e6 7. 0-0 Ne7 8. Bg5 Nbc6 9. Qd2 0-0 10. Bh6 Qa5 11. Bxg7 Kxg7 12. Rad1 Rd8 13. Qd6 Qb4 14. Qxb4 Nxb4 15. Rd6 a6 16. a4 Nbc6 17. Rfd1 h6 18. h3 Kf8 19. g4 Ke8 20. e5 b6 21. Ne4 Ng8 22. R6d2 Ke7 23. Nd6 f6 24. exf6+ Nxf6 25. Nh4 Ne5 26. f4 g5 27. fxe5 gxh4 28. exf6+ Kxf6 29. Rf2+ Kg7 30. Rf7+ Kg8 31. Rdf1 b5 32. axb5 axb5 33. Bxb5 Ba6 34. Bxa6 Rxa6 35. Nb7 Rb8 36. Rxd7 Rb6 37. Nd6 Rb3 38. Rff7 Rg3+ 39. Kf1 Rxb2 40. Rg7+ Kh8 41. Rh7+ Kg8 42. Rdg7+ Kf8 43. Rf7+ Kg8 44. Rhg7+ Kh8 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "2"]
[White "Gehrke, Mathias"]
[Black "Hoke, Adrian Neo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1731"]
[BlackElo "1595"]
[PlyCount "48"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Bg4 8. Qb3 Nbd7 9. Nge2 b6 10. f3 Bh5 11. Nf4 Bg6 12. Nxg6 hxg6 13. 0-0 c5 14. Qd1 Rc8 15. Rc1 Re8 16. Qa4 Rc7 17. Bf4 Rb7 18. Ba6 b5 19. Nxb5 Nb6 20. Qa5 Rd7 21. dxc5 Nc4 22. Qxd8 Rexd8 23. c6 Bc5 24. cxd7 Nxe3 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "1"]
[White "Stelljes, Fabian"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1542"]
[BlackElo "1731"]
[PlyCount "46"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. g4 Nxd4 10. Bxd4 Be6 11. h4 d5 12. h5 dxe4 13. hxg6 fxg6 14. 0-0-0 exf3 15. Qh2 Qa5 16. Bxf6 Rxf6 17. Ne4 Rff8 18. Qxh7+ Kf7 19. Rh6 Rfd8 20. Qxg6+ Kf8 21. Ng5 Bxb2+ 22. Kxb2 Qxa2+ 23. Kc3 Qa3# 0-1

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.31"]
[Round "7.5"]
[White "Braun, Alexander"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1754"]
[BlackElo "1760"]
[PlyCount "53"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c5 4. e3 cxd4 5. exd4 g6 6. Nc3 Bg7 7. Qb3 dxc4 8. Bxc4 0-0 9. 0-0 Nc6 10. Ne5 Nxe5 11. dxe5 Ng4 12. e6 fxe6 13. Bxe6+ Kh8 14. Bxg4 Bxg4 15. h3 Bc8 16. Be3 b6 17. Rad1 Qc7 18. Nb5 Qe5 19. Bd4 Qg5 20. Bxg7+ Kxg7 21. Qc3+ Rf6 22. Nc7 Rb8 23. Ne8+ Kh6 24. Nxf6 exf6 25. Qe3 Qxe3 26. fxe3 f5 27. Rd8 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.30"]
[Round "6.3"]
[White "Gehrke, Mathias"]
[Black "Niemann, Leon Pascal"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1760"]
[BlackElo "1596"]
[PlyCount "68"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Qc2 Qe7 9. Rd1 c6 10. d5 c5 11. a3 Ne8 12. Bg5 f6 13. Bh4 Qf7 14. Nd2 f5 15. f3 f4 16. b4 h6 17. bxc5 Nxc5 18. Bf2 b6 19. a4 Qc7 20. a5 Rb8 21. Nb5 Qd7 22. axb6 axb6 23. Na7 Qc7 24. Nxc8 Qxc8 25. Ra7 Rf7 26. Rxf7 Kxf7 27. Rb1 Bf6 28. Qb2 Bd8 29. Bxc5 Qxc5+ 30. Kf1 Nf6 31. Nb3 Qb4 32. Nd2 Qc5 33. Nb3 Qb4 34. Nd2 Qc5 1/2-1/2

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.30"]
[Round "5.4"]
[White "Schaper, Katharina"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1618"]
[BlackElo "1760"]
[PlyCount "57"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 c6 7. cxd5 exd5 8. Bd3 h6 9. Bh4 0-0 10. 0-0 Nh5 11. Bxe7 Qxe7 12. Re1 Nhf6 13. Qc2 c5 14. b3 Nb6 15. dxc5 Qxc5 16. Nd4 Bg4 17. h3 Rac8 18. Rac1 Be6 19. Qd2 Qb4 20. Rc2 Nbd7 21. Rec1 Ne5 22. Bf5 Bxf5 23. Nxf5 Rcd8 24. Nd4 Rd7 25. Qe2 Qe7 26. Na4 b6 27. Rc8 Re8 28. Nf5 Qf8 29. R8c7 1/2-1/2

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.29"]
[Round "4.5"]
[White "Gehrke, Mathias"]
[Black "Moseler, Thomas"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "1760"]
[BlackElo "1633"]
[PlyCount "65"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 a6 7. cxd5 exd5 8. Bd3 c6 9. Qc2 0-0 10. h3 Re8 11. g4 Nf8 12. Bxf6 Bxf6 13. 0-0-0 Bh4 14. Rdg1 g6 15. g5 Ne6 16. Nxh4 Nxg5 17. Nxg6 hxg6 18. Bxg6 Qf6 19. Bd3 Kf8 20. h4 Ne4 21. Nxe4 dxe4 22. Bxe4 Be6 23. Bh7 Ke7 24. Rg5 Kd7 25. Bf5 Kc7 26. Bxe6 Rxe6 27. Rf5 Qe7 28. h5 Rh8 29. d5 Rf6 30. Rxf6 Qxf6 31. dxc6 Qxc6 32. Qxc6+ Kxc6 33. h6 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.29"]
[Round "3.2"]
[White "Seidenstuecker, Hans Lennart"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1703"]
[BlackElo "1760"]
[PlyCount "131"]
[EventDate "2017.10.28"]
[EventType "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. c4 e6 3. e3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. d4 Nc6 7. Be2 Be7 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 a6 11. Bb2 Qd6 12. Na4 Ne4 13. Nxc5 Qxc5 14. Rc1 Qd6 15. Nd4 Bd7 16. Bf3 Nf6 17. Nxc6 bxc6 18. e4 Qf4 19. Bxf6 Qxf6 20. exd5 cxd5 21. Bxd5 Rad8 22. Qf3 Qg5 23. Rc7 Qe5 24. Rfc1 Be6 25. Bxe6 fxe6 26. Qg3 Qb2 27. Qe3 e5 28. Qc5 Qd4 29. Qc4+ Kh8 30. Qxd4 exd4 31. Rd1 Rf6 32. Rxd4 Re8 33. f3 Rfe6 34. Re4 Rxe4 35. fxe4 Kg8 36. Rc4 Kf7 37. Kf2 Re6 38. Ke3 Kf6 39. a4 Rb6 40. b4 Ke5 41. Rc5+ Kd6 42. Rd5+ Ke6 43. b5 axb5 44. Rxb5 Ra6 45. a5 Ke7 46. Rb7+ Kf8 47. Rb5 Ke7 48. Kd4 Rd6+ 49. Rd5 Ra6 50. e5 Kf7 51. Rb5 Ke7 52. Kc5 Kf7 53. Rb7+ Kf8 54. Kb4 Re6 55. Rb5 Rh6 56. Kc5 Re6 57. Kd5 Ra6 58. Kd4 Ke7 59. e6 Rd6+ 60. Ke4 Rd2 61. a6 Re2+ 62. Kd5 Rd2+ 63. Kc6 Kxe6 64. a7 Rd6+ 65. Kb7 Rd7+ 66. Ka6 1-0

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.28"]
[Round "2.2"]
[White "Frese, Immo"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1764"]
[BlackElo "1760"]
[PlyCount "55"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bd6 9. Bd3 Qc7 10. e4 dxe4 11. Ndxe4 Nxe4 12. Nxe4 Bb4+ 13. Nc3 0-0 14. 0-0 Bxc3 15. bxc3 Qa5 16. Qf3 Rb8 17. Rfe1 f5 18. Bc2 Bd7 19. Re5 Qa3 20. Bb3 a5 21. c5 Rf6 22. Rxf5 Rbf8 23. Rxf6 Rxf6 24. Qg3 a4 25. Bc4 Qb2 26. Re1 Be8 27. h3 h6 28. Qe3 1/2-1/2

[Event "Hannover Bezirk-ch B"]
[Site "Lehrte"]
[Date "2017.10.28"]
[Round "1.2"]
[White "Gehrke, Mathias"]
[Black "Busch, Hans Hinrich"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1760"]
[BlackElo "1602"]
[PlyCount "51"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Bd3 Qa5 8. Nge2 Ne4 9. Bf4 Ndf6 10. f3 Nxc3 11. Nxc3 Nh5 12. Be5 f6 13. Bg3 Nxg3 14. hxg3 Qc7 15. Bg6+ hxg6 16. Rxh8 Qxg3+ 17. Kf1 Kf7 18. Qb3 b6 19. Qa4 Bd6 20. Ne2 b5 21. Qc2 Bf5 22. Nxg3 Bxg3 23. Qxf5 Rxh8 24. Qd7+ Kg8 25. Qe8+ Kh7 26. Qxc6 1-0

[Event "Daehne Cup Region Hannover"]
[Site "Lehrte"]
[Date "2017.08.05"]
[Round "1"]
[White "Brockmeyer, Tobias"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1624"]
[BlackElo "1760"]
[PlyCount "95"]
[EventDate "2017.08.05"]
[EventType "k.o."]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Nd5 5. Bxe7 Qxe7 6. c4 Qb4+ 7. Qd2 Qxd2+ 8. Kxd2 Ne7 9. Nf3 0-0 10. Nc3 a6 11. g4 f6 12. Ke3 fxe5 13. Nxe5 Nbc6 14. f4 Nxe5 15. fxe5 d6 16. exd6 cxd6 17. Bg2 Nc6 18. h3 Kf7 19. Raf1+ Ke7 20. Rxf8 Kxf8 21. Rf1+ Ke7 22. Ne4 h6 23. g5 d5 24. cxd5 exd5 25. Nc3 Be6 26. gxh6 gxh6 27. Nxd5+ Bxd5 28. Bxd5 Kd6 29. Bxc6 bxc6 30. Rf6+ Kd5 31. Rxh6 Rg8 32. Rh5+ Kd6 33. b4 Rg2 34. Ra5 Rb2 35. Rxa6 Rxb4 36. Ra5 Rb2 37. h4 Rh2 38. h5 c5 39. dxc5+ Kc7 40. c6 Kxc6 41. Kf4 Kb6 42. Rf5 Rxa2 43. Kg5 Rg2+ 44. Kf6 Rh2 45. Kg6 Kc7 46. h6 Kd8 47. h7 Ke8 48. Rh5 0-1

[Event "Daehne Cup Region 16/17 qual V"]
[Site "Hannover"]
[Date "2017.07.27"]
[Round "5"]
[White "Obert, Guenter Fritz"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1954"]
[BlackElo "1743"]
[PlyCount "98"]
[EventDate "2017.06.29"]
[EventType "k.o."]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nge2 Ba7 7. 0-0 h5 8. d4 h4 9. d5 Nb8 10. f4 hxg3 11. hxg3 Bg4 12. Qb3 Qc8 13. Kf2 Nd7 14. Qa4 Kf8 15. b4 exf4 16. gxf4 Qd8 17. Ng3 g5 18. fxg5 Nb6 19. Qb3 Qxg5 20. Nce4 Qe7 21. Bb2 Rh6 22. Rh1 Nd7 23. Rxh6 Nxh6 24. Rh1 Ng8 25. Rh7 Ne5 26. Bd4 Bxd4 27. exd4 Ng6 28. Qe3 Rd8 29. Qg5 Qxg5 30. Nxg5 Rd7 31. Be4 Nf6 32. Bxg6 Nxh7 33. Nxh7+ Kg7 34. Bd3 f6 35. Ne4 f5 36. Nef6 Rf7 37. Kg3 Rxf6 38. Nxf6 Kxf6 39. Kf4 Kg6 40. c5 Kf6 41. c6 b5 42. Bc2 Be2 43. Bxf5 Bc4 44. Be6 Bxa2 45. Ke4 Bb1+ 46. Kf4 Ba2 47. Ke4 Bb1+ 48. Kf4 Ba2 49. Ke4 Bb1+ 1/2-1/2

[Event "Daehne Cup Region 16/17 qual V"]
[Site "Hannover"]
[Date "2017.07.20"]
[Round "4"]
[White "Mueller, Wolfgang"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1720"]
[BlackElo "1743"]
[PlyCount "162"]
[EventDate "2017.06.29"]
[EventType "k.o."]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. f4 e6 5. Bxc6 bxc6 6. Nf3 Ne7 7. 0-0 Bg7 8. d3 d5 9. e5 Ba6 10. b3 h6 11. Na4 c4 12. Ba3 cxd3 13. cxd3 Nf5 14. Qc2 Bb5 15. Rfe1 Bf8 16. Bxf8 Kxf8 17. Nc5 a5 18. a4 Ba6 19. Qf2 Kg7 20. g4 Ne7 21. Nd4 Bc8 22. Qh4 Re8 23. Qf6+ Kg8 24. Re3 Qb6 25. Rc1 Qb4 26. Ne2 Qd2 27. Kf2 d4 28. Rh3 Nd5 29. Ne4 Qe3+ 30. Rxe3 dxe3+ 31. Kf3 Nxf6 32. Nxf6+ Kf8 33. Nxe8 Kxe8 34. Kxe3 Kd7 35. Nd4 Bb7 36. Rc5 Kc7 37. f5 Kb6 38. Rc1 c5 39. Nb5 Bd5 40. Nd6 gxf5 41. gxf5 exf5 42. Nxf5 h5 43. Rg1 Rb8 44. Nd6 Kc7 45. Rc1 Kc6 46. Nb5 Bxb3 47. Nd4+ Kd5 48. Nxb3 Rxb3 49. Rc2 Rb4 50. Rf2 Kxe5 51. Rxf7 Rxa4 52. Ra7 h4 53. Ra6 Kd5 54. Ra8 Ra1 55. Rh8 Ra4 56. Rh5+ Kc6 57. Rh6+ Kb5 58. Rh8 Rb4 59. Rb8+ Ka4 60. Rc8 Kb5 61. Rb8+ Kc6 62. Rc8+ Kb6 63. Rb8+ Kc7 64. Ra8 a4 65. Ra7+ Kb6 66. Ra8 Kc6 67. Rc8+ Kd6 68. Ra8 Kc7 69. Ra7+ Kc6 70. Ra6+ Kb5 71. Ra8 Rd4 72. Rb8+ Ka5 73. Ra8+ Kb4 74. Rb8+ Kc3 75. Rc8 Rd5 76. Ke4 Rd4+ 77. Ke5 c4 78. dxc4 Rxc4 79. Ra8 Kb3 80. Rb8+ Rb4 81. Rf8 Ka2 0-1

[Event "Daehne Cup Region 16/17 qual V"]
[Site "Hannover"]
[Date "2017.07.13"]
[Round "3"]
[White "Gehrke, Mathias"]
[Black "Meier, Detlef"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1743"]
[BlackElo "1665"]
[PlyCount "71"]
[EventDate "2017.06.29"]
[EventType "k.o."]
[EventRounds "5"]
[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. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. cxd5 exd5 7. Bd3 c6 8. Nge2 Bg4 9. f3 Bh5 10. Qc2 Nbd7 11. Nf4 Bg6 12. Nxg6 fxg6 13. 0-0 Qc7 14. a4 Bd6 15. g3 Rae8 16. Bxf6 gxf6 17. e4 dxe4 18. Nxe4 f5 19. Nxd6 Qxd6 20. Qc4+ Kg7 21. a5 Re3 22. Rac1 c5 23. Bb1 cxd4 24. Qc7 Qe7 25. Qxb7 Rb8 26. Qxa7 Rxb2 27. Qxd4+ Qe5 28. Qxd7+ Kh6 29. Rc7 Qxc7 30. Qxc7 Ree2 31. Qf4+ g5 32. Qd6+ Kg7 33. Qd4+ Kf8 34. Rf2 Rxb1+ 35. Kg2 Ree1 36. Rd2 1-0

[Event "Daehne Cup Region 16/17 qual V"]
[Site "Hannover"]
[Date "2017.07.06"]
[Round "2"]
[White "Pirker, Franz"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1184"]
[BlackElo "1743"]
[PlyCount "58"]
[EventDate "2017.06.29"]
[EventType "k.o."]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. 0-0 Nc6 5. b3 Nf6 6. d3 a6 7. a4 d5 8. exd5 exd5 9. Qe2+ Be7 10. Bxd5 Nxd5 11. Ba3 0-0 12. Bb2 Bf6 13. c4 Ndb4 14. Bxf6 Qxf6 15. Nbd2 Bf5 16. Ne4 Bxe4 17. dxe4 Rad8 18. Rad1 Rxd1 19. Rxd1 Rd8 20. Re1 Rd3 21. e5 Qg6 22. Nh4 Qe6 23. f4 Nd4 24. Qe4 Qg4 25. g3 Rd1 26. Kf2 Nd3+ 27. Kf1 Rxe1+ 28. Qxe1 Nxe1 29. Kxe1 Qe2# 0-1

[Event "Daehne Cup Region 16/17 qual V"]
[Site "Hannover"]
[Date "2017.06.29"]
[Round "1"]
[White "Gehrke, Mathias"]
[Black "Jakubovics, Joerg"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "1743"]
[BlackElo "1404"]
[PlyCount "112"]
[EventDate "2017.06.29"]
[EventType "k.o."]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 c6 8. 0-0 Re8 9. Qc2 h6 10. Bxf6 Nxf6 11. Rfd1 Bd6 12. Ne5 Bxe5 13. dxe5 Ng4 14. cxd5 exd5 15. Qa4 Qh4 16. h3 Qxf2+ 17. Kh1 Nxe3 18. Rg1 Rxe5 19. Be2 Rg5 20. g4 Qh4 21. Kh2 f5 22. Qf4 Nxg4+ 23. Bxg4 fxg4 24. Rg3 Rf5 25. Qd4 Bd7 26. Re1 Raf8 27. Nd1 b6 28. Re2 Qf6 29. Qd2 Rf3 30. Reg2 Rxg3 31. Rxg3 Qf4 32. Qd3 Bf5 33. Qc3 Be4 34. Ne3 Qf2+ 35. Ng2 Bxg2 36. Rxg2 Qf6 37. Qa3 Qe5+ 38. Kg1 Qe1+ 39. Kh2 Rf1 40. Rxg4 Rh1+ 41. Kg2 Rg1+ 42. Kf3 Rxg4 43. Kxg4 Qe6+ 44. Kg3 Qd7 45. Kf2 c5 46. Qg3 Qf7+ 47. Ke2 d4 48. Qb8+ Kh7 49. b3 Qh5+ 50. Kd2 Qg5+ 51. Kd3 Qe3+ 52. Kc4 d3 53. Qc8 Qd4+ 54. Kb5 Qd5 55. b4 d2 56. bxc5 Qxc5+ 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.05.20"]
[Round "7.5"]
[White "Gehrke, Mathias"]
[Black "Majewski, Thomas"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1786"]
[BlackElo "1770"]
[PlyCount "139"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Bg5 h6 10. Be3 Ng4 11. Qd2 Nxe3 12. Qxe3 f5 13. exf5 gxf5 14. a3 Nc5 15. Ne1 Nb3 16. Rd1 Nd4 17. f4 Nxe2+ 18. Nxe2 Bd7 19. fxe5 dxe5 20. Nd3 f4 21. Qf3 Qg5 22. Nf2 Rae8 23. Nc3 b6 24. Nce4 Qg6 25. b4 axb4 26. axb4 Bf6 27. Ra1 Bh4 28. Rfe1 Bf5 29. Kf1 Ra8 30. Rxa8 Rxa8 31. g3 fxg3 32. Nxg3 Rf8 33. Kg1 e4 34. Nfxe4 Bg4 35. Qe3 Rf3 36. Qd4 Bf5 37. Qe5 Bxe4 38. Rxe4 Bxg3 39. Qe6+ Qf7 40. Rg4+ Kh7 41. Qxf7+ Rxf7 42. hxg3 Rf3 43. Kg2 Rb3 44. Re4 Rxb4 45. Re7+ Kg6 46. Rxc7 Kf5 47. Kh3 h5 48. Rf7+ Ke5 49. Rf4 Rb3 50. Rh4 Rc3 51. Rxh5+ Kd6 52. Rh6+ Kc7 53. Rc6+ Kd7 54. Kh4 Rb3 55. g4 b5 56. c5 Rc3 57. Kg5 b4 58. Kg6 b3 59. Rb6 Rxc5 60. Rxb3 Rxd5 61. Re3 Ra5 62. g5 Kd6 63. Kh6 Ra1 64. g6 Rh1+ 65. Kg7 Rh2 66. Kg8 Rg2 67. g7 Rf2 68. Rg3 Ke7 69. Kh7 Rh2+ 70. Kg6 1-0

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.05.03"]
[Round "6.5"]
[White "Zucker, Stefan"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1905"]
[BlackElo "1786"]
[PlyCount "124"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 c5 5. c3 Nc6 6. 0-0 cxd4 7. Nxd4 e5 8. Nxc6 bxc6 9. c4 e4 10. Nc3 Bb4 11. Bg5 Bxc3 12. bxc3 0-0 13. Qa4 h6 14. Bf4 Bd7 15. c5 Qc8 16. Rfb1 Bh3 17. Bh1 Qe6 18. Rb7 Ng4 19. Qd4 g5 20. Bd6 Rfe8 21. Rab1 e3 22. f3 Qf5 23. Bg2 Bxg2 24. Qxg4 Qxg4 25. fxg4 Bh3 26. Rc7 Bxg4 27. Rbb7 Rab8 28. Kf1 Bh3+ 29. Ke1 Rxb7 30. Rxb7 a5 31. Kd1 Re4 32. Rb8+ Kg7 33. Bc7 Ra4 34. Ra8 Rxa2 35. Rxa5 Rd2+ 36. Ke1 Kf6 37. Ra4 Rc2 38. Kd1 Rxc3 39. Bd6 Rb3 40. Ra6 Bd7 41. Kc2 Rb5 42. Kd3 d4 43. Ke4 Ke6 44. Bf8 h5 45. Ra3 f5+ 46. Kd3 Kd5 47. Ra7 Be6 48. Ra8 Rb3+ 49. Kc2 Rc3+ 50. Kb2 Bd7 51. Rd8 Ke6 52. Bg7 Rxc5 53. Bxd4 Rb5+ 54. Kc2 f4 55. Rh8 Rd5 56. Bb6 Rd2+ 57. Kc1 Rxe2 58. gxf4 gxf4 59. Rxh5 Re1+ 60. Kc2 f3 61. Rh6+ Kf5 62. Rh3 f2 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.03.18"]
[Round "4.7"]
[White "Braun, Alexander"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1754"]
[BlackElo "1786"]
[PlyCount "104"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 b6 6. 0-0 Bd6 7. Nbd2 Bb7 8. Re1 cxd4 9. exd4 0-0 10. Qe2 Nc6 11. Ne5 g6 12. Ndf3 Nd7 13. Bg5 Be7 14. Bh6 Ncxe5 15. Nxe5 Nxe5 16. Qxe5 Bf6 17. Qg3 Re8 18. Re3 Qd7 19. Rae1 Re7 20. h4 Bg7 21. Bf4 f6 22. h5 g5 23. Bxg5 fxg5 24. Qxg5 h6 25. Qg6 Rae8 26. Rf3 Rf7 27. Ree3 Ree7 28. Rxf7 Rxf7 29. Rxe6 Bc8 30. Qh7+ Kf8 31. Rg6 Qe7 32. Rxg7 Rxg7 33. Qh8+ Rg8 34. Qxh6+ Ke8 35. Qc6+ Qd7 36. Bg6+ Kd8 37. Qf6+ Qe7 38. Qf7 Qxf7 39. Bxf7 Rg5 40. f3 Rf5 41. Bg6 Rf6 42. Kh2 Bf5 43. g4 Bxg6 44. hxg6 Rxg6 45. Kg3 Ke7 46. f4 Re6 47. Kf3 Kf6 48. a4 a5 49. f5 Re4 50. c4 Rxd4 51. cxd5 Rxd5 52. Kf4 Rd4+ 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.02.18"]
[Round "3.4"]
[White "Gehrke, Mathias"]
[Black "Herrmann, Andreas"]
[Result "0-1"]
[ECO "E40"]
[WhiteElo "1786"]
[BlackElo "2144"]
[PlyCount "74"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Bd2 Nxd2 7. Qxd2 c5 8. Nf3 cxd4 9. Nxd4 a6 10. Be2 0-0 11. f4 Nc6 12. a3 Bc5 13. Nf3 Qc7 14. b4 Be7 15. h4 Bf6 16. Rc1 Qb8 17. Ng5 h6 18. Nf3 d6 19. Rg1 Re8 20. g4 fxg4 21. Rxg4 e5 22. f5 Bxf5 23. Rg2 Qd8 24. e4 Bh3 25. Rg1 Bxh4+ 26. Kd1 Bg5 27. Nxg5 hxg5 28. Bg4 Bxg4+ 29. Rxg4 Nd4 30. Qg2 Rf8 31. Nd5 Rc8 32. Rxg5 Rf1+ 33. Qxf1 Qxg5 34. Qh3 Rf8 35. Qd3 Qg1+ 36. Kd2 Rf2+ 37. Kc3 Qxc1+ 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.02.04"]
[Round "2.7"]
[White "Siebler, Max"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1786"]
[PlyCount "72"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. h3 g6 4. Bc4 Bg7 5. Nc3 Nf6 6. e5 dxe5 7. Nxe5 0-0 8. d3 a6 9. Qf3 Nbd7 10. Bf4 Ra7 11. a3 Nxe5 12. Bxe5 b5 13. Ba2 Bb7 14. Ne4 Nxe4 15. Bxg7 Kxg7 16. dxe4 Qd4 17. Qd3 Qxe4+ 18. Qxe4 Bxe4 19. 0-0 Rd7 20. Rac1 Rd2 21. Bb1 Rfd8 22. Kh2 Bc6 23. Rce1 e6 24. Re5 c4 25. Ree1 Kf6 26. g4 e5 27. Kg3 R8d4 28. Rc1 Rf4 29. f3 g5 30. Rce1 h6 31. Re3 e4 32. b3 exf3 33. Rg1 Rg2+ 34. Rxg2 fxg2 35. Kh2 Rf1 36. Rg3 Rh1# 0-1

[Event "Hannover Bezirks op"]
[Site "Hannover"]
[Date "2017.01.21"]
[Round "1.13"]
[White "Gehrke, Mathias"]
[Black "Goretzki, Juergen Johann"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1786"]
[BlackElo "1152"]
[PlyCount "60"]
[EventDate "2017.01.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. e3 e6 5. a3 Be7 6. Nf3 Ne4 7. Qc2 Nxc3 8. Qxc3 Bxf3 9. gxf3 0-0 10. Bd3 c6 11. e4 d5 12. e5 f5 13. exf6 Bxf6 14. Qc2 Bxd4 15. Bxh7+ Kh8 16. Be3 Bxe3 17. fxe3 Qh4+ 18. Ke2 Qxh7 19. Qc3 Nd7 20. h4 Qh5 21. Rag1 Qxf3+ 22. Kd2 Qf6 23. Qc2 Qf2+ 24. Kc1 Qxc2+ 25. Kxc2 Rf2+ 26. Kb1 Raf8 27. h5 R8f6 28. cxd5 cxd5 29. Rc1 a5 30. Ka2 Nc5 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.08"]
[Round "7"]
[White "Gehrke, Mathias"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1786"]
[BlackElo "1816"]
[PlyCount "36"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Bf4 Nf6 4. Nc3 dxc4 5. e3 Bf5 6. Bxc4 e6 7. h3 Bd6 8. Bxd6 Qxd6 9. Nf3 Nbd7 10. Nh4 Be4 11. Nxe4 Nxe4 12. 0-0 0-0 13. Qc2 Nef6 14. Nf3 c5 15. Rad1 Rad8 16. Qb3 Nb6 17. dxc5 Qxc5 18. Bd3 Nbd5 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "6"]
[White "Bargsten, Justus"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1813"]
[BlackElo "1786"]
[PlyCount "46"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. Nf3 Nbd7 8. h3 h6 9. Rc1 dxc4 10. Bxc4 Be7 11. a4 Bd8 12. g4 Bg6 13. Bxe6 fxe6 14. Qxe6+ Be7 15. Nb5 Kf8 16. Nd6 Qc7 17. Nh4 Be8 18. Nxe8 Qa5+ 19. Kf1 Kxe8 20. Bd6 Nd5 21. Ng6 Nf8 22. Nxf8 Rxf8 23. e4 Qd2 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "5"]
[White "Gehrke, Mathias"]
[Black "Sinnhoefer, Jonas"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1786"]
[BlackElo "1905"]
[PlyCount "77"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 Nbd7 7. Qe2 c5 8. c3 a6 9. 0-0 h6 10. Bf4 Nh5 11. Bg3 Nxg3 12. fxg3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Rad1 Re8 16. Qf2 Be6 17. Nf3 Bg7 18. h3 Qc7 19. Rc1 Rad8 20. Kh1 b5 21. a3 Rd7 22. g4 Qb6 23. Rfe1 Rde7 24. Re2 Bc8 25. Rce1 b4 26. axb4 cxb4 27. cxb4 Qxb4 28. Rc1 Bb7 29. Qe1 Qb6 30. Nd4 Bxd4 31. exd4 Rxe2 32. Bxe2 Qxd4 33. Qf1 Re6 34. Bf3 Qxb2 35. Rb1 Qc3 36. Qf2 Qc7 37. Qd2 Kh7 38. Qb4 Re7 39. Rd1 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "3"]
[White "Gehrke, Mathias"]
[Black "Benning, Michael"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1786"]
[BlackElo "1852"]
[PlyCount "20"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 Be7 5. Nbd2 h6 6. Bh4 0-0 7. Bd3 b6 8. Qe2 Bb7 9. Bxf6 Bxf6 10. c3 Nd7 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "4"]
[White "Von Estorff, Jacob"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1885"]
[BlackElo "1786"]
[PlyCount "79"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nfd7 9. e6 fxe6 10. Nxe6 Bxc3+ 11. bxc3 Qb6 12. Ng7+ Kf7 13. Bh6 Ne5 14. Qd5+ Kf6 15. Bd3 Nxd3+ 16. cxd3 Bf5 17. g4 e6 18. Qf3 Nc6 19. gxf5 Ne5 20. Qe3 Qxe3+ 21. Bxe3 Kxg7 22. Bd4 Kf6 23. fxg6 hxg6 24. Rf1+ Ke7 25. Bxe5 Rh3 26. Kd2 Rc8 27. Rab1 b6 28. Rb3 Rc5 29. d4 Ra5 30. a3 Ra4 31. Bg3 Rh5 32. Kd3 Rh7 33. Rf2 Ra5 34. c4 Rah5 35. Rb5 R5h6 36. a4 Rh8 37. a5 bxa5 38. Rb7+ Kd8 39. Rxa7 Rh5 40. Rb2 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "1"]
[White "Gehrke, Mathias"]
[Black "Jacobsen, Henrik"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1786"]
[BlackElo "1980"]
[PlyCount "38"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Be3 Ng4 10. Bg5 f6 11. Bh4 g5 12. Bg3 f5 13. exf5 Bxf5 14. Nd2 Nf6 15. f3 Nc5 16. Bf2 Qe7 17. Bxc5 dxc5 18. Nde4 Bxe4 19. fxe4 Ra6 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "2"]
[White "Kardoeus, David"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2161"]
[BlackElo "1786"]
[PlyCount "48"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 a6 9. g4 Nc6 10. h4 Nxd4 11. Bxd4 Be6 12. h5 Nd7 13. Bxg7 Kxg7 14. hxg6 fxg6 15. Qh6+ Kf7 16. Qxh7+ Ke8 17. Qxg6+ Bf7 18. Qg7 Ne5 19. 0-0-0 Rc8 20. f4 Ng6 21. f5 Rg8 22. Qh6 Rh8 23. Qxh8+ Nxh8 24. Rxh8+ Kd7 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.04"]
[Round "7"]
[White "Zweigait, Bjoern"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1755"]
[BlackElo "1786"]
[PlyCount "79"]
[EventDate "2016.10.01"]
[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. Nf3 b6 5. Bg5 h6 6. Bh4 g5 7. Bg3 d6 8. Nd2 Bxc3 9. bxc3 Bb7 10. f3 Nbd7 11. e4 Nh5 12. Bf2 Nf4 13. h4 Qf6 14. h5 e5 15. d5 c6 16. g3 cxd5 17. cxd5 Nxd5 18. exd5 Bxd5 19. Bd3 Rc8 20. c4 Bc6 21. Be4 Qe6 22. g4 0-0 23. Bf5 Qe7 24. Qe2 Rc7 25. 0-0 Nc5 26. Bxc5 bxc5 27. Rab1 Qd8 28. Rfd1 Re7 29. Ne4 Bxe4 30. Qxe4 Qc7 31. Rb2 Rd8 32. Rdb1 Qa5 33. Rb8 Ree8 34. R8b7 Qc3 35. Qd3 Qxd3 36. Bxd3 d5 37. cxd5 a5 38. a4 Rd6 39. Be4 Ra6 40. Rc7 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.03"]
[Round "5"]
[White "Braun, Alexander"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1754"]
[BlackElo "1786"]
[PlyCount "138"]
[EventDate "2016.10.01"]
[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 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 Bd7 8. Re1 Qc7 9. c3 0-0 10. Qe2 Ng6 11. Nf1 b5 12. h4 b4 13. h5 Nge5 14. Nxe5 Bxe5 15. f4 Bf6 16. e5 Be7 17. Nh2 bxc3 18. bxc3 Rab8 19. Ng4 Qa5 20. Bd2 Rb2 21. Rad1 Qxa2 22. f5 Bg5 23. Ra1 Qb3 24. Red1 Qxc3 25. Bxc3 Rxe2 26. f6 Rc2 27. Be1 gxf6 28. Nxf6+ Bxf6 29. exf6 Rb8 30. Rd2 Rcb2 31. Rxb2 Rxb2 32. Rc1 Rb5 33. Bf2 Ne5 34. Ra1 a5 35. Bxc5 Nxd3 36. Bf1 Rxc5 37. Bxd3 h6 38. Rb1 e5 39. Rb8+ Rc8 40. Rb7 Bg4 41. Ra7 e4 42. Bb5 Bxh5 43. Re7 Bg4 44. Re8+ Rxe8 45. Bxe8 Kf8 46. Bc6 Be6 47. Kf2 Kg8 48. Ke3 Kh7 49. Kf4 Kg6 50. Ke5 Kg5 51. Ba4 Kg4 52. Kd6 Kxg3 53. Ke7 e3 54. Be8 e2 55. Bxf7 Bxf7 56. Kxf7 e1Q 57. Kg7 h5 58. f7 Qe7 59. Kh8 d4 60. Kg7 d3 61. Kg6 h4 62. Kg7 d2 63. Kg6 Qf8 64. Kf6 d1R 65. Kg6 Rf1 66. Kg5 Rxf7 67. Kh5 Qh8+ 68. Kg6 Qg7+ 69. Kh5 Rf5# 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.03"]
[Round "6"]
[White "Gehrke, Mathias"]
[Black "Pubantz, Richard"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1786"]
[BlackElo "1616"]
[PlyCount "85"]
[EventDate "2016.10.01"]
[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. Nf3 Nf6 3. e3 c6 4. Bd3 e6 5. 0-0 Nbd7 6. b3 Be7 7. Bb2 0-0 8. Nbd2 c5 9. Ne5 cxd4 10. exd4 b6 11. f4 Bb7 12. g4 Nxe5 13. dxe5 Bc5+ 14. Kg2 d4+ 15. Kg3 Nd5 16. Qe2 Nb4 17. a3 Nxd3 18. Qxd3 a5 19. Nf3 Ba6 20. Qe4 Bxf1 21. Rxf1 Qe7 22. Ng5 g6 23. h4 f6 24. exf6 Qxf6 25. h5 e5 26. Bc1 exf4+ 27. Bxf4 Rae8 28. Qd5+ Kh8 29. hxg6 Bd6 30. Nf7+ Rxf7 31. gxf7 Bxf4+ 32. Rxf4 Re3+ 33. Rf3 Rxf3+ 34. Qxf3 Qxf3+ 35. Kxf3 Kg7 36. Ke4 Kxf7 37. Kxd4 Kf6 38. Ke4 Kg5 39. Kf3 b5 40. c4 a4 41. bxa4 bxc4 42. a5 c3 43. Ke3 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.02"]
[Round "3"]
[White "Baum, Frank Christian"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1714"]
[BlackElo "1786"]
[PlyCount "62"]
[EventDate "2016.10.01"]
[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 Nc6 2. d4 g6 3. Nf3 Bg7 4. c3 d6 5. Bc4 Nf6 6. Qe2 0-0 7. 0-0 Bg4 8. Bg5 Na5 9. Bd3 Rc8 10. Nbd2 Re8 11. Bxf6 Bxf6 12. h3 Bd7 13. e5 Bg7 14. d5 b6 15. b4 Nb7 16. e6 fxe6 17. dxe6 Ba4 18. Ng5 Rf8 19. h4 Bxc3 20. Nxh7 Bxa1 21. Bxg6 Bg7 22. Qh5 Be8 23. Nf6+ Rxf6 24. Qh7+ Kf8 25. h5 Bxg6 26. hxg6 Qe8 27. Ne4 Rxe6 28. Ng5 Qxg6 29. Nxe6+ Qxe6 30. Qh5 Nd8 31. Qf3+ Nf7 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.02"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Schaper, Katharina"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1786"]
[BlackElo "1556"]
[PlyCount "140"]
[EventDate "2016.10.01"]
[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. Nf3 Nf6 3. e3 Bg4 4. Bd3 e6 5. 0-0 Bd6 6. Nbd2 0-0 7. b3 c6 8. Bb2 Qc7 9. c4 Bxh2+ 10. Kh1 Bd6 11. Qc2 Nbd7 12. c5 Be7 13. Ne5 h6 14. f3 Bf5 15. Bxf5 exf5 16. Qxf5 Rad8 17. Nxd7 Qxd7 18. Qd3 Nh5 19. Rfe1 Bh4 20. Red1 Ng3+ 21. Kg1 Qe7 22. e4 Rde8 23. e5 Qg5 24. Nf1 f6 25. Bc1 Qh5 26. Bf4 Nxf1 27. Rxf1 fxe5 28. g4 e4 29. gxh5 exd3 30. Be5 Rf5 31. Rad1 Rxh5 32. f4 g5 33. f5 Kf7 34. Kg2 g4 35. Rxd3 Bf6 36. Re3 Bg5 37. Ree1 Rh3 38. Rh1 Rf3 39. Ref1 Rd3 40. Rd1 Rf3 41. Rhf1 Rh3 42. b4 Ra3 43. Rf2 h5 44. Rb1 Bf6 45. Re2 h4 46. b5 h3+ 47. Kg1 Bxe5 48. dxe5 Rg3+ 49. Kh2 Rg2+ 50. Rxg2 hxg2 51. bxc6 bxc6 52. Rb7+ Re7 53. Rb4 Rxe5 54. Rxg4 Rxf5 55. Kxg2 Ke6 56. Ra4 Rf7 57. Ra6 Rc7 58. Kf3 Ke5 59. Ke3 d4+ 60. Kd3 Kd5 61. Ra5 Rh7 62. Kd2 Kc4 63. a3 Rh2+ 64. Kd1 Kd3 65. Kc1 Kc3 66. Kb1 d3 67. Rxa7 d2 68. Rd7 Rh1+ 69. Ka2 d1Q 70. Rxd1 Rxd1 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.01"]
[Round "1"]
[White "Frese, Immo"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1801"]
[BlackElo "1786"]
[PlyCount "103"]
[EventDate "2016.10.01"]
[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. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e3 Nbd7 10. Rc1 Rc8 11. Qe2 Ne4 12. Nxe4 Bxe4 13. Nd2 Bxg2 14. Kxg2 c5 15. Rfd1 cxd4 16. exd4 Qe7 17. b3 f5 18. f4 e5 19. dxe5 dxe5 20. fxe5 Qxe5 21. Qxe5 Nxe5 22. Nf3 Ng4 23. Re1 Rc7 24. Nd4 Rd7 25. Nf3 Rfd8 26. h3 Nf6 27. Re2 Ne4 28. Rcc2 g6 29. Ne5 Rd6 30. b4 Kg7 31. b5 a5 32. Nc6 R8d7 33. Nb8 Rb7 34. Nc6 Rd3 35. Kh2 Rxg3 36. Rxe4 fxe4 37. Kxg3 Rd7 38. Rc3 Kf6 39. Kf4 Rd2 40. a3 Re2 41. Re3 g5+ 42. Kxe4 Rc2 43. Kd4 h5 44. Ne7 g4 45. hxg4 hxg4 46. Nd5+ Kg5 47. Rg3 Kh4 48. Rxg4+ Kxg4 49. Ne3+ Kg5 50. Nxc2 Kf6 51. Kd5 Ke7 52. Kc6 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2016.10.01"]
[Round "2"]
[White "Gehrke, Mathias"]
[Black "Kieselbach, Petra"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1786"]
[BlackElo "1602"]
[PlyCount "99"]
[EventDate "2016.10.01"]
[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. Nf3 Bf5 3. e3 Nf6 4. c4 e6 5. Nc3 c6 6. h3 h6 7. c5 b6 8. b4 a5 9. Na4 b5 10. Nb6 Ra7 11. bxa5 Rxa5 12. Bd2 Ra7 13. a4 bxa4 14. Rxa4 Rxa4 15. Qxa4 Nfd7 16. Nxd7 Qxd7 17. Ne5 Qb7 18. Be2 f6 19. Bh5+ Ke7 20. Ng6+ Bxg6 21. Bxg6 Qa6 22. Qxa6 Nxa6 23. Bd3 Nc7 24. Ke2 e5 25. Rb1 e4 26. Bc2 Kd7 27. Ba4 Be7 28. Rb6 Nb5 29. Bxb5 cxb5 30. Rxb5 Rc8 31. Ba5 f5 32. Kd2 Rc6 33. Kc3 Ra6 34. Kb4 Bh4 35. g3 Be7 36. Rb7+ Ke8 37. Kb5 Ra8 38. c6 Rc8 39. Rd7 Rb8+ 40. Bb6 Bd8 41. Rxd8+ Rxd8 42. Bxd8 Kxd8 43. Kc5 g5 44. Kxd5 f4 45. Kxe4 fxg3 46. fxg3 Kc7 47. d5 h5 48. Kf5 h4 49. g4 Kd6 50. e4 1-0

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.11.01"]
[Round "7"]
[White "Meric, Geoffrey"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1729"]
[BlackElo "1784"]
[PlyCount "104"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. h3 Bg7 7. Bc4 0-0 8. Bb3 Nc6 9. Be3 Nxd4 10. Bxd4 Be6 11. Bxe6 fxe6 12. 0-0 Nh5 13. Bxg7 Nxg7 14. Qd4 Qc7 15. Rfe1 Rf7 16. Nb5 Qa5 17. c4 a6 18. Nc3 Raf8 19. Re2 Rf4 20. Qe3 Qe5 21. Rd1 Nh5 22. c5 dxc5 23. Rd7 b5 24. Rxe7 Qd6 25. Ra7 b4 26. g3 Qb8 27. Qxc5 Nxg3 28. fxg3 Rf1+ 29. Kg2 bxc3 30. bxc3 Qb1 31. Qd4 R1f6 32. Qg1 Qd3 33. Rb2 Qxe4+ 34. Kh2 Rf1 35. Qg2 Qe5 36. Rd7 Qxc3 37. Rdd2 a5 38. Rdc2 Qe1 39. Re2 Qc3 40. Rec2 Qe5 41. Re2 Qd5 42. Qxd5 exd5 43. Red2 d4 44. Kg2 R1f3 45. Rxd4 Ra3 46. Rd7 g5 47. g4 h6 48. Rc7 Rff3 49. Rb8+ Rf8 50. Rb2 Rff3 51. Rb8+ Rf8 52. Rb2 Rff3 1/2-1/2

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "5"]
[White "Gehrke, Mathias"]
[Black "Schoenfeld, Dietmar"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1784"]
[BlackElo "1798"]
[PlyCount "58"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[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. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Nbd7 8. Be3 a5 9. Bd3 Nh5 10. g3 Nc5 11. Bc2 Qe8 12. Bxc5 dxc5 13. Ba4 Qe7 14. Qd2 f5 15. 0-0-0 fxe4 16. Ng5 Bh6 17. Ncxe4 Bf5 18. d6 cxd6 19. f4 exf4 20. Qd5+ Kh8 21. h4 fxg3 22. Rhe1 Nf4 23. Qxd6 Qxd6 24. Rxd6 Bxe4 25. Rxe4 Bxg5 26. hxg5 g2 27. Rd1 Nd3+ 28. Rxd3 g1Q+ 29. Rd1 Rf1 0-1

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "6"]
[White "Wittur, Helge"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1903"]
[BlackElo "1784"]
[PlyCount "179"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. Be2 e5 6. Qb3 Qxb3 7. axb3 Be6 8. Bc4 Bxc4 9. bxc4 Be7 10. d3 0-0-0 11. Ke2 a6 12. Ng5 Nh6 13. Be3 f5 14. Ne6 Rd6 15. Nxg7 f4 16. Bxc5 Rg6 17. Bxe7 Nxe7 18. Nh5 Rxg2 19. Nd2 Ng4 20. Ne4 Nxh2 21. Nhf6 Nf5 22. Rag1 f3+ 23. Ke1 h6 24. Kd2 Rf8 25. Nd5 Rfg8 26. Ra1 R8g7 27. Ne3 Ng3 28. Nxg2 Nxe4+ 29. dxe4 fxg2 30. Rxh2 g1Q 31. Rxg1 Rxg1 32. Rxh6 Kc7 33. Re6 Rg5 34. b4 Kd7 35. Rh6 Rg4 36. Ke3 Rg1 37. b5 a5 38. Rh7+ Kc8 39. c5 a4 40. Rh8+ Kc7 41. Ra8 Rb1 42. c6 Rb3 43. cxb7 Kxb7 44. Rxa4 Rxc3+ 45. Kd2 Rb3 46. Kc2 Rxb5 47. Kc3 Kc6 48. Ra6+ Kd7 49. Kc4 Rb2 50. Kd5 Rb5+ 51. Kc4 Rb2 52. f3 Ke7 53. Kd3 Kd7 54. Ke3 Ke7 55. Ra5 Kf6 56. Rd5 Ra2 57. Rd6+ Ke7 58. Rd2 Ra6 59. Kf2 Kf6 60. Kg3 Kg6 61. Kg4 Rf6 62. Rd5 Re6 63. f4 exf4 64. Kxf4 Ra6 65. Ke5 Kf7 66. Rd7+ Ke8 67. Rd6 Ra5+ 68. Ke6 Ra7 69. Rb6 Re7+ 70. Kf5 Rf7+ 71. Rf6 Rh7 72. e5 Ke7 73. Re6+ Kf7 74. Ra6 Rh5+ 75. Ke4 Ke7 76. Kd5 Rh1 77. Ra7+ Ke8 78. Kd6 Rd1+ 79. Ke6 Kd8 80. Ra8+ Kc7 81. Ke7 Rd7+ 82. Ke8 Rd5 83. e6 Rh5 84. Ra7+ Kd6 85. Ra6+ Kc7 86. Kf7 Rh7+ 87. Kg6 Rh1 88. e7 Kd7 89. Ra7+ Ke8 90. Kf6 1/2-1/2

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.10.30"]
[Round "3"]
[White "Gehrke, Mathias"]
[Black "Raulf, Christopher"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1784"]
[BlackElo "1899"]
[PlyCount "110"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. 0-0 cxd4 7. exd4 Bd6 8. Bb2 Qc7 9. a3 0-0 10. Qe2 Ne7 11. Ne5 Ng6 12. f4 Nd7 13. Nd2 Ndxe5 14. dxe5 Bc5+ 15. Kh1 Ne7 16. b4 Bb6 17. c4 a5 18. c5 Ba7 19. Rac1 Bd7 20. Qh5 g6 21. Qh6 Kh8 22. Nf3 Ng8 23. Qh3 Qd8 24. Ng5 h6 25. Nxf7+ Rxf7 26. Bxg6 Rg7 27. f5 Qg5 28. Rc3 exf5 29. Rg3 f4 30. e6 fxg3 31. Bb1 Be8 32. Rf5 Qg6 33. Rf1 Qg5 34. Rf5 Qe3 35. Bxg7+ Kxg7 36. Qg4+ Kh8 37. Rf1 Qg5 38. Qd4+ Qg7 39. Qxd5 Bc6 40. Qf5 gxh2 41. Qg6 Qxg6 42. Bxg6 Kg7 43. Bd3 Rf8 44. Rxf8 Kxf8 45. Kxh2 axb4 46. axb4 Bd5 47. Bf5 Ke7 48. Kg3 Bb8+ 49. Kh4 Bxg2 50. b5 Nf6 51. b6 Bf4 52. Bd3 Kxe6 53. c6 Bxc6 54. Bf1 Ke5 55. Bg2 Bg5+ 0-1

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.10.29"]
[Round "2"]
[White "Ehlert, Horst"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1913"]
[BlackElo "1784"]
[PlyCount "89"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 c6 4. Nf3 d5 5. b3 Qc7 6. Bb2 Nbd7 7. 0-0 e5 8. cxd5 cxd5 9. Nc3 a6 10. Rc1 Qb8 11. d3 Bc5 12. d4 exd4 13. Nxd4 0-0 14. Nxd5 Nxd5 15. Bxd5 Rd8 16. e3 Bf8 17. Qh5 Ne5 18. Be4 g6 19. Qg5 Qd6 20. Nf3 Nxf3+ 21. Bxf3 h6 22. Qa5 Bh3 23. Rfd1 Qe7 24. Qc3 Rxd1+ 25. Rxd1 f6 26. Qxf6 Qxf6 27. Bxf6 Kf7 28. Bd4 Rd8 29. Bxb7 a5 30. Bg2 Be6 31. Rc1 Bd6 32. h4 Rc8 33. Rxc8 Bxc8 34. Bd5+ Ke7 35. Bg7 h5 36. Bc3 Bc7 37. Kg2 Kd6 38. Be4 Bf5 39. Bxf5 gxf5 40. Kf3 Kd5 41. Ke2 Ke4 42. f3+ Kd5 43. Be1 Kc5 44. Kd3 Kb5 45. e4 1-0

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2015.10.29"]
[Round "1"]
[White "Kiesel, Harald"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2025"]
[BlackElo "1784"]
[PlyCount "83"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Bg4 9. f3 Bd7 10. Kh1 Nc6 11. Nde2 Qc8 12. Nf4 Rd8 13. Be3 e5 14. Nfd5 Bh3 15. Bg5 Bxg2+ 16. Kxg2 Nxd5 17. Nxd5 Rd7 18. Qd2 Qf8 19. Nf6+ Bxf6 20. Bxf6 Ne7 21. Bxe5 f6 22. Bc3 Rad8 23. Qd4 Kg7 24. Qxa7 Nc6 25. Qa3 Ne5 26. Bxe5 fxe5 27. Rad1 Rf7 28. Rd5 g5 29. h3 h5 30. Qe3 Kg6 31. Rf2 h4 32. gxh4 Rf4 33. Rfd2 Rxh4 34. Qd3 Re8 35. Rxd6+ Kh7 36. Rd7+ Kh8 37. Rd8 Rh7 38. Rxe8 Qxe8 39. Qd8 Re7 40. Qxe8+ Rxe8 41. Rd7 b5 42. Kg3 1-0

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.28"]
[Round "7"]
[White "Roehrkasten, Reinhard"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1923"]
[BlackElo "1783"]
[PlyCount "135"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Nc6 4. Nc3 d5 5. Bf4 Bb4 6. e3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 Nd5 9. Qc2 Nxf4 10. exf4 Qf6 11. g3 0-0 12. 0-0 a6 13. Rfe1 b5 14. Bd3 h6 15. Rab1 Rd8 16. Be4 Bb7 17. a4 b4 18. Ne5 Rd6 19. Nxc6 Bxc6 20. Bxc6 Rxc6 21. Qe4 e5 22. fxe5 Qg6 23. Qxg6 Rxg6 24. Rxb4 c5 25. Rc4 cxd4 26. cxd4 Rd8 27. Rd1 Re6 28. f4 Kf8 29. Kf2 Rb6 30. Rd2 Rd5 31. Ke3 f5 32. Kd3 Ke7 33. Kc3 Rb1 34. Rb2 Rd1 35. Rb7+ Kd8 36. Rxg7 Rc1+ 37. Kd3 Rd1+ 38. Ke3 Ra1 39. h4 Ra3+ 40. Kd2 a5 41. Rg6 h5 42. Rg5 Ke7 43. Rxf5 Rxg3 44. Rxh5 Rd8 45. f5 Kf7 46. Rg5 Rh3 47. Rc7+ Kf8 48. Rg4 Rb8 49. Kc2 Rbb3 50. e6 Rbe3 51. e7+ Rxe7 52. Rxe7 Kxe7 53. Re4+ Kf6 54. Re5 Rxh4 55. Kc3 Rh8 56. Rxa5 Rc8+ 57. Rc5 Ra8 58. a5 Ke7 59. Kc4 Kd6 60. Kb4 Rb8+ 61. Rb5 Ra8 62. f6 Ke6 63. Rb6+ Kd5 64. Kb5 Kxd4 65. a6 Rc8 66. a7 Rc5+ 67. Ka6 Rc1 68. Kb7 1-0

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "6"]
[White "Gehrke, Mathias"]
[Black "Raulf, Christopher"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1783"]
[BlackElo "1895"]
[PlyCount "83"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 b6 7. Bxf6 Bxf6 8. cxd5 exd5 9. Rc1 Bg4 10. Qb3 c6 11. Na4 Re8 12. Be2 Bxf3 13. gxf3 Re6 14. f4 Bh4 15. Rc3 Rg6 16. Bf3 Qd7 17. h3 Na6 18. a3 Re8 19. Ke2 Qf5 20. Kd2 Bxf2 21. Rf1 Bh4 22. Be2 Nc7 23. Bg4 Qe4 24. Qd1 c5 25. Kc1 Nb5 26. Rb3 a6 27. Bf3 Qe6 28. dxc5 bxc5 29. Bxd5 Qc8 30. Qf3 c4 31. Rb4 c3 32. Rc4 cxb2+ 33. Nxb2 Qb8 34. f5 Rg3 35. Bxf7+ Kxf7 36. Qd5+ Kf8 37. Rxh4 Rc8+ 38. Rc4 Nxa3 39. Rc5 Rg2 40. Qd4 Rxc5+ 41. Qxc5+ Kg8 42. Qd5+ 1-0

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "5"]
[White "Zoch, Werner"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1910"]
[BlackElo "1783"]
[PlyCount "107"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. c3 e6 10. Bf4 Ngf6 11. Bd3 Bxd3 12. Qxd3 Qa5 13. 0-0 Nxh5 14. Nxh5 Qxh5 15. Rfe1 Be7 16. Ne5 Bg5 17. Bh2 Bf6 18. Nxd7 Kxd7 19. Qg3 Rhd8 20. Qc7+ Ke8 21. Qxb7 Qb5 22. Qxb5 cxb5 23. Be5 Ke7 24. Rad1 Rd5 25. Ra1 Bxe5 26. dxe5 Rd2 27. Rab1 Rad8 28. Kf1 Rc2 29. Re2 Rdd2 30. Rxd2 Rxd2 31. a3 g5 32. g3 g4 33. b3 Ra2 34. a4 bxa4 35. bxa4 Rxa4 36. Rb7+ Kf8 37. Ke2 Ra2+ 38. Ke3 Rc2 39. Kf4 Rxc3 40. Kxg4 a5 41. Ra7 Ra3 42. f4 Kg7 43. f5 exf5+ 44. Kxf5 Rxg3 45. e6 Rg5+ 46. Kf4 Kf6 47. exf7 Kg7 48. Ra6 Rh5 49. Kg4 Rh1 50. Rxa5 Kxf7 51. Ra7+ Ke6 52. Ra6+ Kd5 53. Ra5+ Kc4 54. Rh5 1/2-1/2

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "3"]
[White "Gehrke, Mathias"]
[Black "Ehlert, Horst"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1783"]
[BlackElo "1945"]
[PlyCount "67"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[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. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be3 Nbd7 7. Bd3 c5 8. d5 Ng4 9. Qd2 Nxe3 10. fxe3 a6 11. a4 b6 12. 0-0 Ne5 13. Nxe5 Bxe5 14. Rf2 Bd7 15. Raf1 Rb8 16. Ne2 Bxa4 17. Nf4 Bd7 18. Ne6 Bxe6 19. dxe6 f6 20. Be2 b5 21. b3 bxc4 22. Bxc4 a5 23. Qd1 Rb4 24. Ra2 Qb6 25. g4 h6 26. h4 g5 27. Qf3 gxh4 28. Qf5 Kg7 29. Qh5 Rxc4 30. g5 hxg5 31. Rg2 Bg3 32. Rxg3 hxg3 33. Rf5 Rc1+ 34. Kg2 1/2-1/2

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Herrmann, Andreas"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1783"]
[BlackElo "2097"]
[PlyCount "98"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 a6 7. b3 d6 8. Bb2 Nbd7 9. dxc5 Nxc5 10. b4 Nxd3 11. cxd3 Be7 12. e4 0-0 13. Qb3 b5 14. Nd4 Nd7 15. Rac1 Bg5 16. f4 Bf6 17. N2f3 Re8 18. Kh1 Qb6 19. Rc2 Nf8 20. Rfc1 Ng6 21. f5 exf5 22. Nxf5 Ne5 23. Rc7 Rac8 24. Bd4 Rxc7 25. Bxb6 Rxc1+ 26. Ng1 Rc6 27. Bf2 g6 28. Ne3 Bg7 29. Ne2 Bc8 30. h3 Be6 31. Nd5 Bxd5 32. Qxd5 Rc2 33. Qxd6 Rxe2 34. Bc5 Rxa2 35. d4 Ra1+ 36. Kh2 h5 37. Qd5 Nd3 38. Qc6 Re6 39. Qa8+ Kh7 40. d5 Rxe4 41. Bd6 h4 42. Qb7 Nf2 43. g3 Re2 44. Kg2 Ne4+ 45. Kf3 Nxd6 46. Qd7 Rc2 47. Qxd6 Ra3+ 48. Kg4 Rc4+ 49. Kg5 Rxg3+ 0-1

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "2"]
[White "Celik, Abdullah1111"]
[Black "Gehrke, Mathias"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "1931"]
[BlackElo "1783"]
[PlyCount "73"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. Qc2 Bb7 5. a3 Bxc3+ 6. Qxc3 Nf6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Ne4 10. Qd3 d6 11. f3 Nxg3 12. hxg3 f5 13. e3 Nd7 14. 0-0-0 Qf6 15. Ne2 0-0-0 16. Nc3 Kb8 17. Qc2 g4 18. f4 h5 19. Bd3 Rh6 20. d5 Rdh8 21. dxe6 Qxe6 22. Rhe1 Nc5 23. Bxf5 Qxc4 24. b4 Bxg2 25. bxc5 Qxc5 26. Nb1 Qxc2+ 27. Kxc2 Bf3 28. Rd2 h4 29. gxh4 Rxh4 30. Rg1 Rh1 31. Rg3 Re1 32. Nc3 Rxe3 33. Bxg4 Bd1+ 34. Rxd1 Rxg3 35. Be6 Re3 36. f5 Reh3 37. Kd2 1/2-1/2

[Event "Hannover-chC"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "1"]
[White "Nuelle, Christoph"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1970"]
[BlackElo "1783"]
[PlyCount "99"]
[EventDate "2014.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 e6 4. d4 Bd7 5. Bd3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne7 8. e5 Qb6 9. Qd2 a5 10. Qg5 Ng6 11. h4 Na6 12. 0-0 Nb4 13. Bxb4 Qxb4 14. h5 h6 15. Qg3 Ne7 16. Rab1 Nf5 17. Bxf5 exf5 18. Qxg7 0-0-0 19. Qxf7 Rdf8 20. a3 Rxf7 21. axb4 axb4 22. Ra1 Kc7 23. Rfe1 Rg7 24. e6 Be8 25. Nh4 Bxh5 26. Nxf5 Rg5 27. Ng3 Be8 28. Re3 Rhg8 29. Kh2 Rg4 30. Rf1 Rh4+ 31. Kg1 Rf4 32. Ne2 Re4 33. Rxe4 dxe4 34. Nf4 Bg6 35. g3 Kd6 36. Kg2 Bf5 37. Rh1 e3 38. f3 Bxc2 39. Rxh6 Bd1 40. Rh7 c5 41. Rd7+ Kc6 42. d5+ Kb6 43. e7 Re8 44. d6 e2 45. Kf2 e1Q+ 46. Kxe1 Bxf3 47. Rd8 Bc6 48. Nd5+ Bxd5 49. Rxe8 Kc6 50. Rc8+ 1-0

[Event "Hannover Ihme Cup"]
[Site "Hannover"]
[Date "2014.05.11"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Schmidt, Dennis"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1782"]
[BlackElo "2071"]
[PlyCount "76"]
[EventDate "2014.05.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. c4 e6 6. Qb3 Qb6 7. c5 Qc7 8. Ne5 Nbd7 9. f4 Nxe5 10. fxe5 Nd7 11. Qc2 0-0-0 12. b4 f6 13. Nc3 fxe5 14. b5 e4 15. Bf1 Nb8 16. bxc6 Nxc6 17. Rb1 Be7 18. g3 e5 19. Qb3 exd4 20. Nb5 Qd7 21. exd4 Rhf8 22. Bf4 Rxf4 23. gxf4 a6 24. Nd6+ Bxd6 25. cxd6 Nxd4 26. Rc1+ Nc6 27. Bxa6 Kb8 28. Qb6 Rc8 29. Rg1 h5 30. Rg2 g6 31. Rb2 Nd8 32. Rbc2 Rxc2 33. Rxc2 Nc6 34. Bb5 Qd8 35. Rxc6 Qxb6 36. Rxb6 Ka7 37. d7 Bxd7 38. Rxb7+ Kxb7 1-0

[Event "Hannover Ihme Cup"]
[Site "Hannover"]
[Date "2014.05.11"]
[Round "5"]
[White "Titzhoff, Frank"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2118"]
[BlackElo "1782"]
[PlyCount "101"]
[EventDate "2014.05.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. Ne5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nd7 11. Bf4 Nxe5 12. Bxe5 Qa5+ 13. c3 0-0-0 14. Qe2 Ne7 15. Ne4 Ng6 16. Bg3 Qd5 17. h5 f5 18. hxg6 fxe4 19. Rh5 Qd7 20. Qxe4 Be7 21. 0-0-0 Rhf8 22. Re1 Bd6 23. Bxd6 Qxd6 24. f3 Rf6 25. Re5 Kd7 26. f4 Rdf8 27. g3 b5 28. a4 bxa4 29. Ra5 Qc7 30. Rxa4 a5 31. Rc4 h5 32. Rc5 h4 33. f5 exf5 34. Qxh4 Kc8 35. Rce5 Qd8 36. Re7 Rxg6 37. Qf4 Rg4 38. Qf3 Qd5 39. Qe2 Re4 40. Qa6+ Kd8 41. Qa7 Rxe1+ 42. Rxe1 Rf7 43. Qb8+ Kd7 44. Kb1 Qc4 45. Qa7+ Kd6 46. Qxa5 g6 47. Qd8+ Rd7 48. Qb8+ Rc7 49. Qf8+ Kd7 50. Re7+ Kd6 51. Qd8+ 1-0

[Event "Hannover Ihme Cup"]
[Site "Hannover"]
[Date "2014.05.10"]
[Round "2"]
[White "Gehrke, Mathias"]
[Black "Klawitter, Rolf"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1782"]
[BlackElo "1515"]
[PlyCount "55"]
[EventDate "2014.05.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Be2 dxc4 7. Nh4 Bg6 8. Nxg6 hxg6 9. Bxc4 Nbd7 10. Qc2 Qc7 11. h3 Bb4 12. a3 Bxc3+ 13. bxc3 0-0-0 14. a4 Qa5 15. Be2 Nb6 16. Bd2 Qd5 17. Bf3 Qd7 18. c4 Na8 19. 0-0 Nc7 20. Rfb1 Na6 21. Ra3 Qe7 22. Rab3 Rd7 23. Qb2 Rhd8 24. Bxc6 bxc6 25. Rb8+ Kc7 26. Qb7+ Kd6 27. Qxa6 Rxb8 28. Rxb8 1-0

[Event "Hannover Ihme Cup"]
[Site "Hannover"]
[Date "2014.05.10"]
[Round "3"]
[White "Roettger, Karl Heinz"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "788"]
[BlackElo "1782"]
[PlyCount "102"]
[EventDate "2014.05.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 e6 5. Be2 Qb6 6. b3 Nd7 7. Nd2 Rc8 8. Ngf3 c5 9. 0-0 Bg6 10. c4 cxd4 11. Bxd4 Bc5 12. cxd5 Bxd4 13. Nc4 Rxc4 14. Bxc4 Bxa1 15. Qxa1 Ne7 16. dxe6 fxe6 17. Ng5 Bf5 18. Nf3 Bg4 19. Ng5 h6 20. Ne4 0-0 21. Qb2 Nc5 22. Qc2 Nxe4 23. Qxe4 Bf5 24. Qe2 Nd5 25. Qd2 Qc5 26. a4 a6 27. Kh1 b5 28. axb5 axb5 29. Bxd5 Qxd5 30. Qxd5 exd5 31. b4 Rc8 32. f4 Rc4 33. g4 Be4+ 34. Kg1 Rxb4 35. f5 Bd3 36. Re1 Rxg4+ 37. Kf2 Rf4+ 38. Kg3 Rxf5 39. e6 Kf8 40. h4 Ke7 41. Re3 Bc4 42. Kg4 g6 43. Kh3 Rf6 44. h5 g5 45. Kg4 Rxe6 46. Rf3 Be2 47. Kf5 Rf6+ 48. Kg4 Bxf3+ 49. Kh3 Bxh5 50. Kg3 Rf3+ 51. Kg2 b4 0-1

[Event "Hannover Ihme Cup"]
[Site "Hannover"]
[Date "2014.05.09"]
[Round "1"]
[White "Abel, Dennes"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2444"]
[BlackElo "1782"]
[PlyCount "53"]
[EventDate "2014.05.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 f5 9. Nc3 0-0 10. 0-0 Nxc3 11. Qxc3 d6 12. c5 Bd5 13. Nh4 Bxg2 14. Nxg2 Nd7 15. cxd6 cxd6 16. Nf4 Qe7 17. h4 Nf6 18. Rac1 Rad8 19. Qb3 Rfe8 20. Rc6 Kh8 21. Rfc1 Rd7 22. Rc8 e5 23. Nd5 Nxd5 24. Qxd5 h6 25. Qa8 Rxc8 26. Rxc8+ Kh7 27. h5 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "7"]
[White "Minde, Frank"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1756"]
[BlackElo "1704"]
[PlyCount "84"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. Bd3 Bxd3 8. Qxd3 Nf6 9. 0-0 e6 10. Re1 Be7 11. Bd2 Nbd7 12. c4 Qc7 13. Bc3 Rd8 14. Rad1 0-0 15. Qe2 Rfe8 16. Ne5 Nxe5 17. dxe5 Nh7 18. Qg4 a5 19. Ne4 Ng5 20. Nd6 Bxd6 21. exd6 Rxd6 22. h4 Rxd1 23. Rxd1 f5 24. Qh5 Qf7 25. Qe2 Ne4 26. Bxa5 Qf6 27. f3 Ng3 28. Qe1 f4 29. Bc3 e5 30. Qd2 Qxh4 31. Qd7 Re7 32. Qd8+ Kh7 33. Bb4 e4 34. fxe4 Qh1+ 35. Kf2 Nxe4+ 36. Kf3 Ng5+ 37. Kf2 Qh4+ 38. Kg1 Re3 39. Qd7 Nh3+ 40. Kh2 Qg3+ 41. Kh1 Nf2+ 42. Kg1 Nxd1 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.22"]
[Round "6"]
[White "Gehrke, Mathias"]
[Black "Reinecke, Juergen"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1704"]
[BlackElo "1781"]
[PlyCount "64"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. Nbd2 Qc7 7. 0-0 Bd7 8. Bb2 cxd4 9. exd4 Nb4 10. Qe2 Nxd3 11. Qxd3 Bd6 12. Ne5 0-0 13. Rac1 Rac8 14. c4 Qd8 15. f4 dxc4 16. bxc4 Bc6 17. Rce1 Bb4 18. Re3 Qa5 19. Nxc6 Rxc6 20. Re5 Qxa2 21. Bc3 Qa3 22. Nb1 Qa4 23. Bxb4 Qxb4 24. Nd2 Rc7 25. Rb1 Qd6 26. Rbe1 Rd8 27. d5 exd5 28. Qxd5 Nxd5 29. Re8+ Rxe8 30. Rxe8+ Qf8 31. Rxf8+ Kxf8 32. cxd5 Rd7 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.22"]
[Round "5"]
[White "Waldmann, Christoph"]
[Black "Gehrke, Mathias"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1813"]
[BlackElo "1704"]
[PlyCount "113"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 Ne4 6. Nbd2 Nxg3 7. hxg3 c5 8. c3 Nc6 9. Bd3 g6 10. Qe2 f5 11. Nh4 Qf6 12. f4 c4 13. Bc2 b5 14. b3 Ke7 15. Nhf3 b4 16. Ne5 Nxe5 17. dxe5 Bxe5 18. fxe5 Qxe5 19. Kf2 Qxc3 20. Nf3 a5 21. Qd2 Qxd2+ 22. Nxd2 c3 23. Nf3 Kf6 24. a3 Bb7 25. Nd4 e5 26. Ne2 h5 27. Ra2 Rhd8 28. Rha1 d4 29. exd4 exd4 30. Nf4 Be4 31. Nd3 Re8 32. axb4 Bxd3 33. Bxd3 Re3 34. Rd1 Rc8 35. bxa5 Rxd3 36. Rxd3 c2 37. Ra1 c1Q 38. Rxc1 Rxc1 39. Rxd4 Ke5 40. Ra4 Rc2+ 41. Kg1 Rc1+ 42. Kh2 Rc8 43. a6 Kd5 44. a7 Ra8 45. Kg1 Kc5 46. Kf2 g5 47. Ke3 Kb6 48. Kd4 h4 49. gxh4 gxh4 50. Ke5 Kb7 51. Kf4 Rxa7 52. Rxa7+ Kxa7 53. Kxf5 Kb6 54. Kg4 Kb5 55. Kxh4 Kb4 56. g4 Kxb3 57. g5 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.21"]
[Round "4"]
[White "Gehrke, Mathias"]
[Black "Engelking, Michael"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1704"]
[BlackElo "1768"]
[PlyCount "105"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Bd3 Bg6 7. Ne5 Nbd7 8. Nxg6 hxg6 9. Qc2 Qc7 10. f4 Be7 11. Bd2 Ng4 12. g3 dxc4 13. Bxg6 Rxh2 14. Rxh2 Nxh2 15. Be4 Nf6 16. 0-0-0 Nhg4 17. Rg1 a6 18. Bf3 g6 19. Ne4 Nxe4 20. Bxe4 Nf6 21. Bf3 b5 22. e4 0-0-0 23. Be3 Rh8 24. f5 gxf5 25. exf5 Nd5 26. Bxd5 exd5 27. f6 Bd6 28. Qf5+ Kb7 29. Bf4 Bxf4+ 30. gxf4 Rh2 31. Rg8 Rf2 32. Qe5 Rxf4 33. Re8 Qxe5 34. dxe5 Re4 35. e6 fxe6 36. f7 Rf4 37. f8Q Rxf8 38. Rxf8 Kc7 39. Kd2 a5 40. Ke3 Kd6 41. Rd8+ Ke5 42. Rc8 Kd6 43. a3 e5 44. Ra8 a4 45. Re8 c5 46. Rd8+ Kc6 47. Re8 Kd6 48. Kf3 b4 49. Ra8 c3 50. Ra6+ Kc7 51. bxc3 b3 52. Rh6 d4 53. c4 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.21"]
[Round "3"]
[White "Thieu, Nguyen Gia Bao"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1624"]
[BlackElo "1704"]
[PlyCount "76"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[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. e4 d6 4. g3 c5 5. Bg2 Nc6 6. Nge2 Bd7 7. 0-0 Be7 8. d3 0-0 9. h3 a6 10. f4 g6 11. Kh2 Rb8 12. a4 Qc7 13. g4 Ne8 14. Ng3 Bh4 15. Nce2 Bxg3+ 16. Nxg3 Ng7 17. f5 f6 18. b3 Nd4 19. fxg6 hxg6 20. Bb2 Qb6 21. Bxd4 cxd4 22. Ne2 e5 23. Ng3 a5 24. Ra2 Rf7 25. Raf2 Rbf8 26. Kh1 Ne6 27. Ne2 Nc5 28. Nc1 Qd8 29. Qd2 Rh7 30. Kg1 Ne6 31. Kh2 Ng5 32. Kg3 f5 33. exf5 Nxh3 34. Bd5+ Kh8 35. f6 Nxf2 36. Qxf2 Bxg4 37. Bxb7 Bf5 38. Bd5 Qxf6 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.20"]
[Round "2"]
[White "Gehrke, Mathias"]
[Black "Gramenz, Jens"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1704"]
[BlackElo "1815"]
[PlyCount "77"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. e3 Nxd4 7. exd4 d5 8. Bg2 dxc4 9. Qa4+ Qd7 10. Qxc4 Qxd4 11. Qxd4 Bxd4 12. Nc3 Nf6 13. Nb5 Be5 14. 0-0 a6 15. Re1 Bxg3 16. fxg3 axb5 17. Bg5 Ng8 18. Rac1 h6 19. Be3 Be6 20. Bxb7 Rxa2 21. Bd4 Rh7 22. Rc5 Bd7 23. Rc7 e6 24. Bc8 f6 25. Bxd7+ Rxd7 26. Rxe6+ Kd8 27. Rxd7+ Kxd7 28. Rb6 Ra4 29. Bc3 h5 30. Kf2 h4 31. Rxb5 hxg3+ 32. hxg3 Ke6 33. Rb6+ Kf5 34. Kf3 Kg5 35. Rb5+ f5 36. Rb6 Rc4 37. Bd2+ f4 38. Bxf4+ Kh5 39. Rb5+ 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2012.10.20"]
[Round "1"]
[White "Gehrke, Mathias"]
[Black "Heise, Thomas"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1704"]
[BlackElo "1793"]
[PlyCount "104"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 a6 6. Bd3 Bxd3 7. Qxd3 e6 8. c5 Nbd7 9. b4 g6 10. Bd2 Bg7 11. a4 Qc7 12. 0-0 e5 13. dxe5 Ng4 14. Rab1 Ngxe5 15. Nxe5 Nxe5 16. Qe2 0-0 17. Rb3 Nc4 18. Rfb1 Nxd2 19. Qxd2 Qe7 20. Ne2 Rfe8 21. Nd4 Be5 22. b5 axb5 23. axb5 Qxc5 24. bxc6 bxc6 25. Rc3 Qa5 26. Qc1 Bxd4 27. exd4 Rac8 28. Rc5 Qa4 29. Qd2 Re6 30. Ra5 Qc4 31. Rba1 Re2 32. Qf4 Re4 33. Qh6 Qxd4 34. Ra8 Rce8 35. Rxe8+ Rxe8 36. Rb1 Qe4 37. Qc1 c5 38. h4 h5 39. Ra1 c4 40. g3 Qe2 41. Qf4 Qe5 42. Qc1 c3 43. Kh2 d4 44. Ra7 Qf5 45. Ra2 Qd5 46. Ra7 Qc5 47. Rb7 d3 48. Qf4 Qd5 49. Qb4 d2 50. Rb5 Qd7 51. Qxc3 d1Q 52. Rg5 Qh3+ 0-1

[Event "Lingen op 4th"]
[Site "Lingen"]
[Date "2012.07.22"]
[Round "5"]
[White "Gehrke, Mathias"]
[Black "Ngo, Minh Duc"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1832"]
[BlackElo "1984"]
[PlyCount "135"]
[EventDate "2012.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 Nbd7 5. 0-0 c5 6. b3 Bd6 7. Bb2 cxd4 8. exd4 0-0 9. Nbd2 Re8 10. Ne5 Nf8 11. f4 Ng6 12. Qe2 Bd7 13. a3 Rc8 14. c4 dxc4 15. bxc4 Bc6 16. Ndf3 Bxf3 17. Qxf3 Qb6 18. Rf2 Qc7 19. g4 Rf8 20. c5 Bxe5 21. dxe5 Nd5 22. Qe4 Qxc5 23. Bd4 Qc6 24. f5 Ngf4 25. Rxf4 Nxf4 26. Qxf4 Qd5 27. f6 Rfd8 28. Rd1 Qxd4+ 29. Qxd4 Rxd4 30. Bxh7+ Kxh7 31. Rxd4 gxf6 32. exf6 Kg6 33. Rd7 Rc3 34. g5 b6 35. Rxa7 Kxg5 36. Rxf7 Rxa3 37. Rb7 Kxf6 38. Rxb6 Kf5 39. Rb2 e5 40. Kg2 e4 41. Rf2+ Ke5 42. h4 e3 43. Rf8 Ke4 44. Re8+ Kd3 45. Kf3 Kd2 46. h5 Ra6 47. Rd8+ Kc3 48. Kxe3 Kc4 49. Ke4 Rh6 50. Rd5 Rh8 51. Re5 Rh6 52. Kf4 Kd4 53. Ra5 Rb6 54. Kf5 Rb1 55. Ra4+ Ke3 56. Kg6 Rg1+ 57. Kh7 Rg2 58. h6 Rg1 59. Kh8 Rg2 60. Ra7 Kf4 61. Rg7 Ra2 62. Rf7+ Ke5 63. Kg8 Ra8+ 64. Kg7 Ra1 65. h7 Rg1+ 66. Kf8 Rh1 67. Kg8 Ke6 68. Rg7 1-0

[Event "Lingen op 4th"]
[Site "Lingen"]
[Date "2012.07.22"]
[Round "4"]
[White "Meyer, Stefan"]
[Black "Gehrke, Mathias"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1693"]
[BlackElo "1832"]
[PlyCount "126"]
[EventDate "2012.07.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. e3 Nf6 5. Bd3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 d6 8. 0-0 Nbd7 9. Rc1 c5 10. Ng5 Qe7 11. Nge4 Rb8 12. Qa4 0-0 13. a3 Nxe4 14. Bxe4 Nf6 15. Qc2 Nxe4 16. Nxe4 f5 17. Nc3 Qg5 18. d5 Rf6 19. e4 Rg6 20. f3 f4 21. dxe6 Rxe6 22. Rcd1 Rh6 23. Qf2 Qh5 24. h3 Qg5 25. Kh2 a6 26. Rd2 Bc6 27. Rfd1 Rd8 28. a4 Qe5 29. Rd3 Kf7 30. Qd2 g5 31. Nd5 Bxa4 32. Ra1 b5 33. b3 Qxa1 34. bxa4 bxc4 35. Rc3 Qxa4 36. Nc7 Qc6 37. Nd5 Qb5 38. Nc7 Qb7 39. Nd5 Rb8 40. Rxc4 Qc8 41. Ra4 Rb3 42. Qa2 c4 43. Rxa6 Qc5 44. Ra7+ Kg6 45. Rc7 Qa3 46. Qc2 Rxh3+ 47. Kxh3 g4+ 48. Kxg4 h5+ 49. Kxf4 Qa1 50. Ne7+ Kh7 51. Nc6+ Kh6 52. Qxc4 Qf6+ 53. Kg3 Qg5+ 54. Kf2 Rb2+ 55. Qe2 Rxe2+ 56. Kxe2 Qxg2+ 57. Ke3 Qg1+ 58. Ke2 Qb6 59. Rf7 Qxc6 60. Rf5 h4 61. Kf2 Qc2+ 62. Ke3 Kg6 63. Kf4 h3 0-1

