[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.20"]
[Round "9.9"]
[White "Sommer, Andreas"]
[Black "Steinkraus Kueck, Hans Guenter"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1769"]
[BlackElo "1715"]
[PlyCount "107"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e3 c4 8. Be2 Be7 9. 0-0 Nc6 10. a3 0-0 11. Qc2 Rc8 12. Nd2 Re8 13. Rac1 Qd7 14. Bf3 b5 15. b4 Bf5 16. Qb2 a6 17. Bxf6 Bxf6 18. Nxd5 Bd8 19. Nc3 Bd3 20. Rfe1 Qd6 21. Nde4 Qg6 22. Nc5 Bf6 23. Nd5 Bg5 24. Rcd1 Bc2 25. Rd2 Bf5 26. Red1 Qh6 27. Re2 Rcd8 28. Nc3 Ne7 29. d5 Bf6 30. e4 Be5 31. g3 Bc8 32. Qc2 Qf6 33. Re3 Rd6 34. Ne2 g5 35. Bg2 h5 36. Rf1 Qg7 37. Kh1 Ng6 38. f4 gxf4 39. gxf4 Bd4 40. Nxd4 Qxd4 41. Rg3 Kf8 42. Rd1 Qh8 43. e5 Rdd8 44. d6 Bg4 45. Rf1 Nh4 46. Bc6 Qh6 47. Bxe8 Kxe8 48. Qe4 Kf8 49. Rfg1 Qg6 50. Qb7 Re8 51. h3 Kg7 52. hxg4 Qc2 53. gxh5+ Kh6 54. Qxf7 1-0

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.19"]
[Round "8.7"]
[White "Norbach, Alexander"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1854"]
[BlackElo "1769"]
[PlyCount "53"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. c5 Bf5 6. Bf4 Nh5 7. e3 Nxf4 8. exf4 Nd7 9. Be2 e6 10. 0-0 b5 11. Ne5 Qc7 12. g4 Bg6 13. h4 Nxe5 14. fxe5 f6 15. h5 Bf7 16. f4 Be7 17. Qc2 h6 18. Rae1 0-0-0 19. a4 Kb7 20. axb5 axb5 21. Bxb5 cxb5 22. Nxb5 Qc6 23. Qb3 Bxc5 24. Nd6+ Kc7 25. Rc1 Bxd4+ 26. Kg2 Bc5 27. Rxc5 1-0

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.18"]
[Round "7.6"]
[White "Sommer, Andreas"]
[Black "Peters, Frank"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1769"]
[BlackElo "2016"]
[PlyCount "56"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. e3 Nf6 7. Bg2 0-0 8. 0-0 Qc7 9. b3 d6 10. Bb2 Bg4 11. Qd2 Rad8 12. h3 Bc8 13. Nc3 Rfe8 14. Kh2 Nxd4 15. exd4 Qa5 16. Qe2 e5 17. d5 Qb6 18. Rae1 a5 19. Qe3 Qxe3 20. Rxe3 Bh6 21. Re2 Bd7 22. Ba3 Bf8 23. g4 h6 24. Be4 Rc8 25. Rc1 a4 26. Rcc2 axb3 27. axb3 Ra8 28. Bc1 Bg7 1/2-1/2

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.17"]
[Round "6.12"]
[White "Giss, Alexander"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1415"]
[BlackElo "1769"]
[PlyCount "60"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nc6 5. Bf4 a6 6. Nf3 Nf6 7. e3 Nh5 8. Bg3 Nxg3 9. hxg3 e6 10. a3 Bd7 11. Bd3 h6 12. Bc2 Bd6 13. Nh4 Be7 14. Qh5 Bf6 15. f4 Qe7 16. Rc1 g6 17. Bxg6 Bxh4 18. Bxf7+ Qxf7 19. Qxf7+ Kxf7 20. gxh4 Ne7 21. Kf2 h5 22. Rhg1 Rac8 23. Ne2 Rxc1 24. Rxc1 Rc8 25. Rxc8 Nxc8 26. Nc1 Nd6 27. Nd3 Nc4 28. Ne5+ Nxe5 29. dxe5 Kg6 30. e4 dxe4 0-1

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.16"]
[Round "5.4"]
[White "Sommer, Andreas"]
[Black "Pienski, Olaf"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1769"]
[BlackElo "2025"]
[PlyCount "76"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 f5 4. Nf3 Nf6 5. Nc3 g6 6. h4 h6 7. Qc2 Bg7 8. Nh2 Qe7 9. g4 Qf7 10. gxf5 gxf5 11. Rg1 Nh5 12. e4 f4 13. Be2 Bf6 14. Nf3 Na6 15. Bd2 Bd7 16. Nb5 Ke7 17. a4 Kf8 18. Ba5 Bd8 19. Bc3 Bf6 20. 0-0-0 Rg8 21. Rxg8+ Kxg8 22. Rg1+ Kh8 23. b4 Ng7 24. Qd1 Qe7 25. h5 Be8 26. Nd2 c5 27. bxc5 Nxc5 28. Bb4 a6 29. Nc3 Qc7 30. Bxc5 Qxc5 31. Qb3 Qxf2 32. Rf1 Qa7 33. Qb4 Be7 34. Nf3 b6 35. Kc2 Qc7 36. Rb1 Bd8 37. Rg1 Rb8 38. Nd1 Qc5 0-1

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.15"]
[Round "4.12"]
[White "Sommer, Andreas"]
[Black "Rabe, Maximilian"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1769"]
[BlackElo "1617"]
[PlyCount "53"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nc3 Nbd7 7. Bd3 dxc4 8. Bxc4 b6 9. 0-0 Bb7 10. Rc1 h6 11. Bh4 c5 12. Be2 Rc8 13. dxc5 Nxc5 14. Qxd8 Rfxd8 15. Rfd1 a5 16. Nd4 g5 17. Bg3 Nfe4 18. Nxe4 Nxe4 19. Bc7 Rd7 20. Bxb6 Rxc1 21. Rxc1 e5 22. Nf5 Bd8 23. Bxd8 Rxd8 24. Rd1 Rxd1+ 25. Bxd1 Kh7 26. Bc2 Kg6 27. Nd6 1-0

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.14"]
[Round "2.2"]
[White "Sommer, Andreas"]
[Black "Issing, Peter"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1769"]
[BlackElo "2129"]
[PlyCount "104"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nxd4 0-0 8. Nc3 d5 9. cxd5 exd5 10. e3 b6 11. Be2 Bb7 12. 0-0 Nbd7 13. Rac1 Qe7 14. Bb5 Ne5 15. Qe2 a6 16. Bd3 Rfe8 17. Na4 b5 18. Nc5 Bc8 19. Bf5 Nc4 20. Nd3 Bb7 21. Rc2 g6 22. Bh3 Ne4 23. Ra1 Rad8 24. Nb4 Rd6 25. b3 Nb6 26. Rac1 Na8 27. Bc8 Rf6 28. f3 Nd6 29. Bxb7 Qxb7 30. Rc6 Nb6 31. Rc7 Qa8 32. Nbc6 Nbc8 33. Qd2 Kg7 34. Qc3 h5 35. h4 a5 36. Nxa5 Ne7 37. Nac6 Nxc6 38. Rxc6 Qd8 39. Re1 Qe7 40. a4 bxa4 41. bxa4 Kg8 42. Nb5 Rd8 43. Nxd6 Rfxd6 44. Rxd6 Rxd6 45. Qd4 Qd8 46. Rb1 Rc6 47. Qe5 Rc8 48. g3 Qa5 49. Qd4 Kh7 50. Rd1 Rc4 51. Qxd5 Qxd5 52. Rxd5 Rxa4 1/2-1/2

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.14"]
[Round "3.9"]
[White "Zhong, Xianghui"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1774"]
[BlackElo "1769"]
[PlyCount "51"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 Bf5 6. Qb3 Ra7 7. Be2 e6 8. 0-0 dxc4 9. Bxc4 b5 10. Be2 Be7 11. Ne5 0-0 12. Rd1 Qc8 13. Bd3 Bxd3 14. Nxd3 Rd8 15. Bd2 Nbd7 16. Ne2 a5 17. Rac1 Qa6 18. Qc3 Rc8 19. Nc5 Nxc5 20. dxc5 Ne4 21. Qe5 Nxd2 22. Rxd2 Raa8 23. Rd7 Bf6 24. Qh5 Rf8 25. Rcd1 Rad8 26. Rxd8 1/2-1/2

[Event "Bremen-ch"]
[Site "Bremen"]
[Date "2019.04.13"]
[Round "1.19"]
[White "Pfluger, Jan"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1529"]
[BlackElo "1769"]
[PlyCount "74"]
[EventDate "2019.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 cxd4 6. cxd4 Bd7 7. Nc3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Rc8 11. Re1 b5 12. Qd3 b4 13. Ne2 a5 14. d5 Na7 15. Nfd4 Ng4 16. f4 Qb6 17. h3 Nb5 18. hxg4 Nxd4 19. Be3 Nxe2+ 20. Qxe2 Qb5 21. f5 Qxe2 22. Rxe2 Rc4 23. Rd1 Rfc8 24. Rf1 a4 25. Rff2 Bb5 26. Rd2 Be5 27. Kh2 Rc1 28. Bf3 Ra1 29. b3 Bc3 30. Rd1 axb3 31. axb3 Rca8 32. Rxa1 Rxa1 33. Rg2 Rb1 34. Ra2 Rxb3 35. Ra5 Bd3 36. Bh6 Ra3 37. Rxa3 bxa3 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.06"]
[Round "7"]
[White "Sommer, Andreas"]
[Black "Heyne, Jan Hendrik"]
[Result "1/2-1/2"]
[ECO "D63"]
[WhiteElo "1742"]
[BlackElo "1998"]
[PlyCount "109"]
[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. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Bd3 a6 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. Nc3 Nbd7 11. Rc1 c5 12. dxc5 Nxc5 13. Bc2 Qb6 14. Qe2 Rac8 15. Nd4 b4 16. Nb1 Qa5 17. Nd2 Nb3 18. N2xb3 Qxg5 19. Nf3 Qh5 20. Rfd1 Rfd8 21. Nbd4 Bd6 22. h3 Bb8 23. Rd2 Ne4 24. Rdd1 e5 25. Nh2 Qxe2 26. Nxe2 Kf8 27. Nf3 Ke7 28. Bb3 Rxc1 29. Rxc1 Nd2 30. Nxd2 Rxd2 31. Rc2 Rxc2 32. Bxc2 Bd5 33. Nc1 Bd6 34. b3 Bc6 35. f3 Bc5 36. Kf2 Ke6 37. Nd3 Be7 38. Nb2 h6 39. Nc4 f6 40. g4 Bc5 41. h4 Ba7 42. Bf5+ Ke7 43. h5 Bb5 44. Bd3 Bd7 45. Ke2 Be6 46. Na5 Kd6 47. Bxa6 Kc5 48. Bd3 Bb6 49. Nc4 Bd8 50. Nd2 Kc6 51. Ne4 f5 52. gxf5 Bxf5 53. Ng3 Be6 54. Bf5 Bf7 55. Bg4 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "6"]
[White "Martin, Dennis"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1981"]
[BlackElo "1742"]
[PlyCount "47"]
[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 d6 3. f4 Nc6 4. Nf3 Nf6 5. d3 e6 6. g3 Be7 7. Bg2 Rb8 8. a4 a6 9. 0-0 Bd7 10. Qe2 0-0 11. Nd1 d5 12. Nf2 h6 13. Rd1 d4 14. g4 Nh7 15. Kh1 f5 16. Rg1 fxg4 17. Nxg4 Be8 18. Bh3 Kh8 19. Nge5 Nxe5 20. Nxe5 Bf6 21. Bxe6 Bxe5 22. fxe5 Qc7 23. Qg4 Qxe5 24. Bxh6 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "5"]
[White "Sommer, Andreas"]
[Black "Lehmkuhl, Stefan"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "1742"]
[BlackElo "1825"]
[PlyCount "16"]
[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 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "4"]
[White "Freudenthal, Tim"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1973"]
[BlackElo "1742"]
[PlyCount "33"]
[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 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bc4 Nc6 7. 0-0 e6 8. Qe1 Nd4 9. Nxd4 Bxd4+ 10. Kh1 Ne7 11. Nb5 Qb6 12. Nxd4 cxd4 13. d3 Qc5 14. b4 Qc7 15. Bb2 b5 16. Bb3 Nc6 17. Qh4 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "3"]
[White "Sommer, Andreas"]
[Black "Burkhardt, Holger"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1742"]
[BlackElo "2033"]
[PlyCount "114"]
[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 d6 2. c4 e5 3. d5 g6 4. e4 Nd7 5. Nc3 Bg7 6. Nf3 Ne7 7. Be2 0-0 8. 0-0 f5 9. exf5 gxf5 10. Ng5 Nc5 11. f4 Ng6 12. g3 exf4 13. gxf4 Bxc3 14. bxc3 Qf6 15. Be3 Re8 16. Bd4 Qe7 17. Bh5 Bd7 18. Qf3 Ne4 19. Nxe4 fxe4 20. Qg3 Bf5 21. Rae1 b6 22. Qg5 Qxg5+ 23. fxg5 Rf8 24. Bf6 Bh3 25. Rf2 Rae8 26. Re3 Bc8 27. Bxg6 hxg6 28. Rf4 Bf5 29. Rh4 Rxf6 30. gxf6 Rf8 31. Rf4 Kf7 32. Kg2 Re8 33. Rh4 g5 34. Rh6 Bg6 35. h4 gxh4 36. Rxh4 Kxf6 37. Kf2 Re7 38. Rg3 Rg7 39. Ke3 Rh7 40. Rxh7 Bxh7 41. Rh3 Bg6 42. Rh8 Ke7 43. Rc8 Kd7 44. Rg8 Bh5 45. Kxe4 Be2 46. Kd4 a5 47. Rg7+ Kc8 48. Rg2 Bf3 49. Rf2 Bg4 50. Ke3 Bh5 51. Kf4 Bg6 52. Kg5 Bd3 53. Rf4 Bb1 54. a3 Bd3 55. Kf6 Kd7 56. Rg4 Be2 57. Rh4 Bd3 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "2"]
[White "Rick, Uwe"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2051"]
[BlackElo "1742"]
[PlyCount "55"]
[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 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 e6 6. e3 a6 7. Bd3 Bd6 8. Bxd6 Qxd6 9. f4 Nc6 10. Nf3 Ng4 11. Qe2 f5 12. 0-0 Bd7 13. Rac1 0-0 14. a3 Rac8 15. b4 b5 16. Nd2 Qe7 17. Nb3 Qh4 18. h3 Nf6 19. Nc5 Nb8 20. a4 bxa4 21. N3xa4 Bxa4 22. Nxa4 Ne4 23. Nc5 Qe7 24. Bxe4 fxe4 25. Nxa6 Nd7 26. Qb5 Qd6 27. Qb7 Nb6 28. Rc5 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "1"]
[White "Sommer, Andreas"]
[Black "Kiesel, Harald"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1742"]
[BlackElo "2016"]
[PlyCount "123"]
[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. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 0-0 9. Nc3 d5 10. cxd5 exd5 11. Re1 Re8 12. Ne5 Bd6 13. f4 Bb7 14. e4 dxe4 15. Nxe4 Bxe5 16. dxe5 Nxe4 17. Rxe4 c5 18. Re2 Bxg2 19. Kxg2 Qd5+ 20. Kg1 Rd8 21. Qe1 Nc6 22. Be3 Nd4 23. Bxd4 Qxd4+ 24. Kf1 Rd7 25. Rc1 Rad8 26. e6 fxe6 27. Rxe6 Kf7 28. Re2 Qd5 29. Kf2 a5 30. Rc4 Qh5 31. Kg2 Rd3 32. Qf2 Qd5+ 33. Kh3 Qd7+ 34. f5 Qd5 35. Rce4 Rd7 36. Re5 Qd4 37. Re6 Qxf2 38. Rxf2 R7d6 39. Rfe2 b5 40. Re8 a4 41. bxa4 bxa4 42. Rc8 R6d5 43. Rf2 Rd2 44. Rxd2 Rxd2 45. Rxc5 Rxa2 46. Ra5 Kf6 47. Kg4 h5+ 48. Kxh5 Rxh2+ 49. Kg4 Ra2 50. Ra6+ Kf7 51. Kg5 a3 52. Ra7+ Kf8 53. g4 Ra1 54. Kg6 Rg1 55. g5 Rg3 56. Rf7+ Ke8 57. Rxg7 a2 58. Ra7 Rg2 59. f6 Rf2 60. Kg7 Rf5 61. g6 Rf2 62. f7+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.31"]
[Round "9"]
[White "Sommer, Andreas"]
[Black "Adaschkiewitz, Wolfgang"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1825"]
[BlackElo "1675"]
[PlyCount "93"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. g3 g6 4. Bg2 Bg7 5. Nf3 c6 6. Nc3 Qc7 7. 0-0 0-0 8. e4 e5 9. d5 a6 10. a4 a5 11. h3 Na6 12. Be3 Nh5 13. g4 Nf4 14. Bxf4 exf4 15. Qd2 Bxc3 16. Qxc3 f6 17. Nd4 Nc5 18. Rfe1 Bd7 19. Ne2 g5 20. Nd4 Rae8 21. b3 Re5 22. f3 Qb6 23. Kh2 Kf7 24. Reb1 Na6 25. Ra2 Rc8 26. dxc6 bxc6 27. Rd2 c5 28. Nb5 Bxb5 29. cxb5 Nb4 30. Bf1 Ree8 31. Bc4+ Ke7 32. Rbd1 Red8 33. Kg2 Rd7 34. h4 h6 35. hxg5 hxg5 36. Rh1 d5 37. exd5 Rd6 38. Qc1 Re8 39. Re2+ Kd8 40. Rxe8+ Kxe8 41. Qe1+ Kd7 42. Rh7+ Kc8 43. Qe7 Nc2 44. Rf7 Nd4 45. Rf8+ Rd8 46. Rxd8+ Qxd8 47. Qxc5+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.30"]
[Round "8"]
[White "Bakiyev, Diyar"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1619"]
[BlackElo "1825"]
[PlyCount "46"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Be7 7. Bg5 h6 8. Bxf6 Bxf6 9. Nd5 Nc6 10. Bb5 0-0 11. Qd3 a6 12. Ba4 Qa5+ 13. Nc3 Be7 14. Bb3 Be6 15. 0-0 Rac8 16. Nd2 b5 17. h3 Rfd8 18. Bxe6 fxe6 19. Nb3 Qb6 20. a3 Nd4 21. Nxd4 exd4 22. Ne2 e5 23. c3 dxc3 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.29"]
[Round "7"]
[White "Sommer, Andreas"]
[Black "Viet, Silas"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1825"]
[BlackElo "1478"]
[PlyCount "38"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 c5 6. e3 d6 7. Nge2 Nc6 8. 0-0 Rb8 9. dxc5 dxc5 10. Bxc6 bxc6 11. Qa4 Qb6 12. Qc2 Be6 13. b3 Bf5 14. Qd2 Rfd8 15. Qb2 Rd3 16. Na4 Qa5 17. Qa3 Ne4 18. Nf4 Rdd8 19. Nxc5 Qxc5 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.28"]
[Round "6"]
[White "Hoeffer, David"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2264"]
[BlackElo "1825"]
[PlyCount "42"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. b3 Nbd7 6. Bb2 Bb4+ 7. Nbd2 0-0 8. Bd3 c5 9. 0-0 cxd4 10. exd4 Re8 11. Ne5 Nf8 12. a3 Bxd2 13. Qxd2 Ng6 14. c5 Bd7 15. b4 a6 16. a4 Nxe5 17. dxe5 Ne4 18. Qe3 f5 19. exf6 Nxf6 20. Qe5 Qe7 21. h3 Rf8 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.27"]
[Round "5"]
[White "Sommer, Andreas"]
[Black "Veit, Ingo"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "1825"]
[BlackElo "1969"]
[PlyCount "58"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 d6 6. Nf3 0-0 7. 0-0 Ne4 8. Qc2 Nxc3 9. Qxc3 Bf6 10. Qb3 c5 11. dxc5 dxc5 12. Rd1 Qc7 13. Bg5 Nc6 14. Bxf6 gxf6 15. e3 e5 16. Rd2 Be6 17. Qc3 Rad8 18. Rad1 Rxd2 19. Rxd2 Rd8 20. b3 Rd6 21. Nh4 Qd7 22. Rxd6 Qxd6 23. Qc2 Nb4 24. Qe2 Qd7 25. a3 Nc6 26. Bh3 Na5 27. Qc2 e4 28. Bf1 Nc6 29. f4 a5 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.26"]
[Round "4"]
[White "Wiechmann, Gerd"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "1991"]
[BlackElo "1825"]
[PlyCount "98"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Nh4 Bg6 7. Nxg6 hxg6 8. e4 e6 9. Bxc4 Bb4 10. f3 Qc7 11. e5 Nd5 12. Bd2 Qe7 13. Qe2 Qh4+ 14. Qf2 Qe7 15. 0-0 Nd7 16. Rac1 N7b6 17. Bb3 a5 18. g3 Rd8 19. Ne4 Kf8 20. Bg5 f6 21. Bd2 Rh5 22. f4 Kf7 23. Bd1 Rhh8 24. Bxb4 Nxb4 25. Nd6+ Rxd6 26. exd6 Qxd6 27. Bc2 Nxc2 28. Rxc2 Rd8 29. Rd1 Nxa4 30. Rcd2 Nb6 31. g4 Nd5 32. Rf1 Rh8 33. Rd3 b5 34. f5 gxf5 35. gxf5 exf5 36. h3 f4 37. Rc1 Rh6 38. Qf3 Qd7 39. Kf2 a4 40. Rg1 Qd6 41. Qg4 g5 42. Qc8 Nb4 43. Rd2 Qe6 44. Qc7+ Qe7 45. Qxe7+ Kxe7 46. Kg2 Nd5 47. Re2+ Ne3+ 48. Kh2 Kd6 49. Rc1 g4 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.25"]
[Round "2"]
[White "Schulz, Daniel"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2052"]
[BlackElo "1825"]
[PlyCount "51"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bg6 9. Bxc4 Nbd7 10. Nd3 Qe7 11. a5 c5 12. Nxb4 cxd4 13. Nca2 Qc5 14. Bd3 Qxa5 15. 0-0 0-0 16. Nc2 e5 17. Na3 Rac8 18. Nc4 Qc7 19. Bd2 Nd5 20. Nb4 Nxb4 21. Bxb4 Nc5 22. Bxc5 Qxc5 23. Qd2 f6 24. Ra5 Qc6 25. Rxa7 Rb8 26. Qb4 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.25"]
[Round "3"]
[White "Sommer, Andreas"]
[Black "Peine, Olaf"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1825"]
[BlackElo "1674"]
[PlyCount "85"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 a6 6. e3 Nc6 7. h3 Bd7 8. Bd3 Bb4 9. 0-0 0-0 10. a3 Bd6 11. Bxd6 cxd6 12. cxd5 Nxd5 13. Nxd5 exd5 14. Qb3 Na5 15. Qxd5 Be6 16. Qe4 g6 17. g4 Re8 18. Qf4 Qe7 19. b4 Bc4 20. Bxc4 Nxc4 21. d5 Qe4 22. Qxe4 Rxe4 23. Rfd1 b5 24. Nd2 Nxd2 25. Rxd2 Rc8 26. Rd3 Rec4 27. Kg2 Kg7 28. f4 Kf6 29. Kf3 Rc2 30. g5+ Kg7 31. Rh1 Ra2 32. h4 Rcc2 33. h5 f6 34. gxf6+ Kxf6 35. hxg6 hxg6 36. Rh7 Rf2+ 37. Ke4 Rac2 38. Rd7 Rc4+ 39. Rd4 Rc3 40. Rxd6+ Ke7 41. Rxa6 Rb2 42. d6+ Kd8 43. d7 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2018.03.24"]
[Round "1"]
[White "Sommer, Andreas"]
[Black "Koenig, Emmilie"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1825"]
[BlackElo "1074"]
[PlyCount "93"]
[EventDate "2018.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 Bg4 6. Nc3 c6 7. 0-0 0-0 8. Re1 Re8 9. h3 Bc8 10. e4 Qc7 11. e5 Nfd7 12. exd6 Qxd6 13. Bf4 Qb4 14. Qe2 e6 15. Ne4 Qb6 16. c5 Qb4 17. Nd6 Rf8 18. Rac1 Qa5 19. Bg5 Nf6 20. Qc4 Qd8 21. b4 h6 22. Bf4 Ne8 23. Nxc8 Qxc8 24. b5 g5 25. Be5 Bxe5 26. Nxe5 Ng7 27. Ng4 Kh7 28. Qd3+ f5 29. Ne5 Qd8 30. bxc6 bxc6 31. Nxc6 Nxc6 32. Bxc6 Rc8 33. Bg2 Rc7 34. Qc4 Rd7 35. Red1 Rf6 36. Rb1 f4 37. Be4+ Kh8 38. g4 f3 39. Rb3 Rf4 40. c6 Rc7 41. Bxf3 e5 42. Bg2 Qc8 43. Qd5 exd4 44. Rxd4 Rf6 45. Qd8+ Qxd8 46. Rxd8+ Kh7 47. Be4+ 1-0

[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 "5"]
[White "Lammers, Frank"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2019"]
[BlackElo "1816"]
[PlyCount "89"]
[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. Nc3 c6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Nh5 9. Be5 Nd7 10. Nf3 Nxe5 11. Nxe5 Nf6 12. b4 Nd7 13. Nd3 Be7 14. b5 Nb8 15. b4 a6 16. b6 0-0 17. Nc1 Nd7 18. Nb3 e5 19. Kd2 Be6 20. Bd3 f5 21. Na5 Rfb8 22. dxe5 Nxe5 23. f4 Nxd3 24. Kxd3 Bf6 25. Rae1 Kf7 26. Ne2 Bd7 27. Nd4 g6 28. h3 h5 29. Ref1 Bg7 30. Nf3 Ke6 31. Rfg1 Bf6 32. g4 Kf7 33. gxh5 gxh5 34. Rg2 Ke6 35. Rhg1 Be8 36. Nd4+ Bxd4 37. exd4 Kf6 38. Re2 Bg6 39. Rge1 Bf7 40. Re7 Rg8 41. Nxb7 Rg3+ 42. R7e3 h4 43. Nd6 Bh5 44. b7 Rb8 45. Ra1 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "6"]
[White "Sommer, Andreas"]
[Black "Petri, Ben Luca"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1816"]
[BlackElo "1709"]
[PlyCount "53"]
[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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. Be3 Qa5 10. Qb3 cxd4 11. Bxd4 Nc6 12. Bxg7 Kxg7 13. 0-0 b6 14. Rfd1 Be6 15. Qb2 f6 16. Nd4 Nxd4 17. cxd4 Rac8 18. d5 Bd7 19. e5 Qc3 20. Qxc3 Rxc3 21. e6 Ba4 22. Rd4 b5 23. f4 Rd8 24. Rb1 a6 25. Rb2 Rc2 26. Rxc2 Bxc2 27. a3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1816"]
[BlackElo "1940"]
[PlyCount "34"]
[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 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 c6 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. 0-0 Bb7 11. Re1 Nbd7 12. Ne4 Nxe4 13. Bxe4 Rc8 14. Ne5 Nxe5 15. Bxe5 f5 16. Bf3 Bd6 17. Qb3 Re8 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "3"]
[White "Sommer, Andreas"]
[Black "Pubantz, Richard"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1816"]
[BlackElo "1719"]
[PlyCount "63"]
[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. Nc3 Nf6 4. Bf4 e6 5. e3 Nbd7 6. h3 Be7 7. Nf3 0-0 8. Qc2 c5 9. cxd5 cxd4 10. d6 dxc3 11. dxe7 Qxe7 12. bxc3 Nd5 13. Bg3 Qc5 14. Rc1 b6 15. Bd3 h6 16. 0-0 Bb7 17. e4 N5f6 18. Nd4 Rac8 19. Qe2 Rfd8 20. Rfd1 Qe7 21. e5 Nd5 22. Nb5 Ba8 23. c4 Nb4 24. Nd6 Rc5 25. Be4 Bxe4 26. Qxe4 Rc7 27. a3 Nc5 28. Qe2 Nc6 29. f4 Nb3 30. Rc3 Nbd4 31. Qe1 Na5 32. Rxd4 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "2"]
[White "Soellig, Martin"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1980"]
[BlackElo "1816"]
[PlyCount "83"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. 0-0 Nf6 7. d3 Bg4 8. h3 Bd7 9. Bg5 0-0 10. Qd2 Ne5 11. f4 Nc6 12. g4 Qa5 13. Rae1 h6 14. Bh4 Rae8 15. Nc1 Nh7 16. Nb3 Bxc3 17. bxc3 Qb6 18. Kh2 Kg7 19. d4 cxd4 20. Bf2 Qc7 21. cxd4 Rc8 22. d5 Nb8 23. Nd4 e5 24. dxe6 fxe6 25. e5 dxe5 26. Rxe5 Qc4 27. Rfe1 Qxa2 28. Bxb7 Rc7 29. Be4 Nf6 30. Bd3 Nd5 31. Bg3 Nc6 32. Nxc6 Rxc6 33. R5e2 a5 34. Bb5 Rc7 35. Bxd7 Rxd7 36. Rxe6 Qa4 37. f5 g5 38. R1e4 Qb5 39. c4 Qb4 40. Be5+ Kh7 41. Rd4 Qxd2+ 42. Rxd2 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "1"]
[White "Warns, Heiko"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2144"]
[BlackElo "1816"]
[PlyCount "92"]
[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. g3 g6 3. Bg2 Bg7 4. c3 e5 5. Ne2 Nc6 6. d3 Nge7 7. Be3 d6 8. d4 b6 9. dxc5 dxc5 10. Na3 Qxd1+ 11. Rxd1 Ba6 12. Nc1 0-0 13. Bf1 Bxf1 14. Rxf1 Rad8 15. Ke2 f5 16. f3 f4 17. Bf2 g5 18. Nc4 h5 19. gxf4 gxf4 20. Bh4 Kf7 21. Nd6+ Ke6 22. Bxe7 Nxe7 23. Nb5 Nc6 24. Rg1 Bf6 25. Rg6 Rxd1 26. Kxd1 Kf7 27. Rh6 Rh8 28. Rxh8 Bxh8 29. Nd3 Ke7 30. b4 cxb4 31. Nxb4 Nxb4 32. cxb4 a5 33. Kc2 axb4 34. Kb3 Kd7 35. Kxb4 Kc6 36. Kc4 Bf6 37. Nc3 Bh4 38. a4 Bf2 39. Nd5 h4 40. Nb4+ Kd6 41. h3 Bd4 42. Kb5 Kc7 43. Nd5+ Kb7 44. Ne7 Kc7 45. Ng6 Bf2 46. Nxe5 Kd6 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.26"]
[Round "9"]
[White "Sommer, Andreas"]
[Black "Buhrdorf, Axel"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1821"]
[BlackElo "1974"]
[PlyCount "65"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nc3 Nbd7 7. Bd3 dxc4 8. Bxc4 b6 9. Qc2 c5 10. dxc5 Nxc5 11. Rd1 Qc7 12. Bf4 Qb7 13. 0-0 Rd8 14. Nb5 Bd7 15. Nc7 Rac8 16. b4 b5 17. Nxb5 Bxb5 18. Rxd8+ Bxd8 19. bxc5 Rxc5 20. Qd3 Qd7 21. Bxb5 Rxb5 22. Qxd7 Nxd7 23. Rd1 Ba5 24. g4 Nf6 25. h3 Nd5 26. Be5 f6 27. Bd4 Rb7 28. a3 Kf7 29. Nd2 Nc3 30. Bxc3 Bxc3 31. Ne4 Be5 32. Nd6+ Bxd6 33. Rxd6 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.25"]
[Round "8"]
[White "Bilau, Max"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1511"]
[BlackElo "1821"]
[PlyCount "66"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. e3 Nbd7 5. Bd3 Bxd3 6. Qxd3 h6 7. Bh4 e6 8. f3 c5 9. Nge2 Be7 10. g4 a6 11. Bg3 b5 12. Nf4 c4 13. Qd2 b4 14. Nd1 a5 15. 0-0 Nb6 16. c3 Bd6 17. Rf2 Nh7 18. Ne2 Ng5 19. Kg2 f5 20. h3 fxg4 21. fxg4 Ne4 22. Qc2 Bxg3 23. Nxg3 Nxf2 24. Qg6+ Kd7 25. Nxf2 Qf6 26. Qc2 Rhf8 27. Rf1 Qf3+ 28. Kh2 Qxe3 29. g5 b3 30. axb3 cxb3 31. Qe2 Qxe2 32. Nxe2 Nc4 33. Kg2 Ne3+ 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.24"]
[Round "7"]
[White "Jung, Gerald"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1929"]
[BlackElo "1821"]
[PlyCount "43"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 c5 4. Ng3 e5 5. Bc4 Nf6 6. Nf3 Bd6 7. 0-0 0-0 8. h3 Nc6 9. a3 a6 10. d3 b5 11. Ba2 h6 12. Nh4 Ne7 13. f4 exf4 14. Bxf4 Bxf4 15. Rxf4 Qd6 16. Qf3 Be6 17. Rxf6 gxf6 18. Nh5 Ng6 19. Qxf6 Qe5 20. Nxg6 Qxf6 21. Nxf6+ Kg7 22. Nxf8 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.23"]
[Round "6"]
[White "Sommer, Andreas"]
[Black "Kohlscheen, Jens"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "1821"]
[BlackElo "1620"]
[PlyCount "91"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nc3 Ne4 8. Bxe7 Qxe7 9. Nxe4 dxe4 10. Nd2 f5 11. Be2 Nd7 12. 0-0 a5 13. f3 exf3 14. Bxf3 c6 15. Qc2 e5 16. Rad1 e4 17. Be2 Nf6 18. c5 Nd5 19. Bc4 Kh8 20. Bxd5 cxd5 21. Qb3 Be6 22. Nb1 Rfb8 23. Rc1 Qc7 24. Na3 Qc6 25. Qb5 Qc8 26. Rc3 Bd7 27. Qb3 Qc6 28. Rfc1 Ra6 29. Qc2 Qe6 30. Qe2 g5 31. Nb5 Bxb5 32. Qxb5 Qc6 33. a4 Kg7 34. Rb1 Rba8 35. Rb3 R8a7 36. Ra3 Kf6 37. Qe2 Kg6 38. Rba1 Qc7 39. Rb3 Rc6 40. Rb5 Ra8 41. Ra3 Rb8 42. Rab3 Kg7 43. Rb6 Kg8 44. Qb5 Rxb6 45. Qxb6 Qc8 46. c6 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.22"]
[Round "5"]
[White "Sinnhoefer, Jonas"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1690"]
[BlackElo "1821"]
[PlyCount "75"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 d6 4. d4 cxd4 5. Nxd4 g6 6. Nc3 Bg7 7. Be3 Nf6 8. Be2 0-0 9. 0-0 e5 10. Ndb5 Ne8 11. c5 a6 12. Nxd6 Nxd6 13. cxd6 Nd4 14. Bc4 Qxd6 15. Ne2 Be6 16. Bxe6 Nxe2+ 17. Qxe2 Qxe6 18. b3 Rac8 19. Rac1 Rfd8 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Bxc1 Qc6 23. Qc4 Qxc4 24. bxc4 Kf8 25. Kf1 Ke7 26. Ke2 Kd6 27. Kd3 b5 28. Kc3 Kc6 29. Ba3 f5 30. f3 Bh6 31. Be7 Be3 32. Kb4 Bf4 33. g3 Be3 34. cxb5+ axb5 35. a4 bxa4 36. Kxa4 Bc5 37. Bf6 Bd6 38. Kb3 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.21"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Laubrock, Sophia"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1821"]
[BlackElo "1550"]
[PlyCount "81"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Bb4 6. Qc2 0-0 7. a3 Bxc3+ 8. Qxc3 d6 9. e3 Nbd7 10. Be2 h6 11. Bh4 c5 12. 0-0 Qc7 13. Nd2 d5 14. Bg3 Qc6 15. Bf3 Ne4 16. Nxe4 dxe4 17. Be2 f5 18. d5 exd5 19. cxd5 Qf6 20. Qb3 Kh7 21. Rfd1 Rad8 22. a4 a6 23. Bc7 Ra8 24. d6 Bc8 25. Bxb6 Nxb6 26. Qxb6 Rd8 27. Bc4 Be6 28. b3 Bxc4 29. bxc4 Qe5 30. Rab1 Rd7 31. Rd5 Qf6 32. Qxc5 Rad8 33. Rbd1 g6 34. Qd4 Qf8 35. c5 Rc8 36. h3 h5 37. Re5 Rc6 38. Qd5 Qc8 39. Re7+ Kh6 40. Qf7 Rd8 41. h4 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.20"]
[Round "3"]
[White "Meyer, Thorsten"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1982"]
[BlackElo "1821"]
[PlyCount "73"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. Be3 Qa5+ 7. Qd2 Qxd2+ 8. Nxd2 Nc6 9. 0-0-0 Bd7 10. Nc4 g6 11. Nb6 Rd8 12. Nxd7 Nxd7 13. Nxc6 bxc6 14. Bxa6 Bg7 15. Be2 Rb8 16. b3 c5 17. a4 0-0 18. Bb5 Rfd8 19. Kd2 f5 20. Bc4+ Kh8 21. exf5 gxf5 22. Be6 Ne5 23. Bxf5 c4 24. Rb1 d5 25. Ke2 d4 26. Bf4 Ra8 27. Rhd1 Ng6 28. Bc7 Rf8 29. Be4 Ra6 30. a5 Rc8 31. Bb6 cxb3 32. cxb3 Nf4+ 33. Kf1 Rb8 34. b4 Rbxb6 35. axb6 Rxb6 36. b5 e5 37. Rdc1 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.20"]
[Round "2"]
[White "Rose, Helmut"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1511"]
[BlackElo "1821"]
[PlyCount "80"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. e4 b5 6. e5 Nd5 7. Nf3 h6 8. Bd2 Na6 9. a3 Nac7 10. Be2 Bf5 11. 0-0 e6 12. b3 Nxc3 13. Bxc3 Nd5 14. Bb2 c3 15. Bc1 a5 16. Ne1 Be7 17. Nc2 Bxc2 18. Qxc2 0-0 19. Kh1 f5 20. Bf3 b4 21. a4 Bg5 22. Bxg5 Qxg5 23. Rad1 Rad8 24. g3 f4 25. h4 Qf5 26. Qxf5 Rxf5 27. Bg4 Rff8 28. Bxe6+ Kh8 29. g4 g5 30. hxg5 hxg5 31. Kg2 Kg7 32. Rh1 f3+ 33. Kg3 Nf4 34. Bc4 Ne2+ 35. Bxe2 fxe2 36. Rde1 Rxd4 37. Rxe2 Rd3+ 38. Kh2 Rh8+ 39. Kg2 Rxh1 40. Kxh1 Rd2 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2016.03.19"]
[Round "1"]
[White "Sommer, Andreas"]
[Black "Issing, Peter"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1821"]
[BlackElo "2199"]
[PlyCount "54"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nbd2 h6 6. Bh4 Be7 7. e3 0-0 8. Bd3 d5 9. 0-0 Nbd7 10. Qe2 c5 11. Rfd1 Ne4 12. Bxe7 Qxe7 13. Rac1 Rad8 14. Bb1 f5 15. cxd5 exd5 16. Ne1 c4 17. Qh5 Rde8 18. Nef3 Qf7 19. Qh4 b5 20. Nf1 Qf6 21. Qf4 g5 22. Qc7 Qc6 23. Qxc6 Bxc6 24. Ng3 b4 25. Nxe4 fxe4 26. Nd2 Nb6 27. Nb3 Ba4 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.06"]
[Round "7"]
[White "Sommer, Andreas"]
[Black "Frese, Immo"]
[Result "1-0"]
[ECO "D59"]
[WhiteElo "1773"]
[BlackElo "1814"]
[PlyCount "69"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nc3 Nbd7 7. Bd3 h6 8. Bh4 b6 9. cxd5 Nxd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. bxc3 Bb7 13. e4 c5 14. Re1 cxd4 15. cxd4 Nf6 16. Qa4 Rfd8 17. Rad1 a6 18. Bb1 Rac8 19. Qb3 b5 20. Qd3 g6 21. Ne5 Nd7 22. Qg3 Nxe5 23. Qxe5 f6 24. Qg3 Kg7 25. h4 b4 26. Re3 Rc4 27. d5 a5 28. e5 f5 29. d6 Qd7 30. Bxf5 exf5 31. e6 Qe8 32. Qe5+ Kg8 33. e7 Rd7 34. Qe6+ Kg7 35. Qxc4 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1614"]
[BlackElo "1773"]
[PlyCount "85"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. g3 Nc6 5. Bg2 Bg4 6. Nge2 e6 7. h3 Bxe2 8. Nxe2 Be7 9. d3 Qc7 10. Be3 b5 11. c3 Rb8 12. g4 h6 13. Ng3 a5 14. Qf3 Nd8 15. g5 hxg5 16. fxg5 Nd7 17. Nh5 Ne5 18. Qe2 Nxd3+ 19. Qxd3 Rxh5 20. g6 Bh4+ 21. Ke2 e5 22. gxf7+ Nxf7 23. Bf3 Rh8 24. Bg4 Qc6 25. Be6 c4 26. Qd5 Nd8 27. Rhf1 Bf6 28. Rad1 Qxd5 29. Bxd5 Rxh3 30. Ba7 Rc8 31. Bb6 Ke7 32. Bxa5 Ne6 33. Bb4 Nf4+ 34. Kf2 Bh4+ 35. Kg1 Rg3+ 36. Kh1 Rh8 37. Rd2 Bg5+ 38. Rh2 Rxh2+ 39. Kxh2 Rg2+ 40. Kh1 Rxb2 41. a3 Bh4 42. Bc6 Bg3 43. Kg1 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "5"]
[White "Sommer, Andreas"]
[Black "Kuschnerus, Tessa"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "1773"]
[BlackElo "1306"]
[PlyCount "69"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. d5 d6 4. e4 Nf6 5. Nc3 Nbd7 6. Nf3 Be7 7. Be2 0-0 8. 0-0 exd5 9. cxd5 a6 10. a4 Re8 11. Bg5 h6 12. Bh4 Nf8 13. Bg3 Ng6 14. Nd2 Bd7 15. f4 Bf8 16. Qc2 Rb8 17. Nf3 Nh5 18. Ne1 Nxg3 19. hxg3 b5 20. b3 Be7 21. axb5 axb5 22. Nf3 Bf6 23. Ra7 Bxc3 24. Qxc3 Rxe4 25. Bd3 Re8 26. Bxg6 fxg6 27. Nh4 Kh7 28. f5 g5 29. Ng6 Rg8 30. Re1 Bxf5 31. Ree7 Kxg6 32. Rxg7+ Rxg7 33. Rxg7+ Kh5 34. Qf3+ g4 35. Qxf5+ 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "4"]
[White "Schiller, Jan Hendrik"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1754"]
[BlackElo "1773"]
[PlyCount "59"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 a6 5. c5 Bg4 6. Nbd2 Nbd7 7. Qc2 e6 8. h3 Bf5 9. Bd3 Bxd3 10. Qxd3 Be7 11. a3 0-0 12. 0-0 Qc7 13. b4 b6 14. Nb3 bxc5 15. Nxc5 Nxc5 16. bxc5 Rfb8 17. Bd2 Ne4 18. Rfb1 a5 19. Be1 f5 20. Rxb8+ Rxb8 21. Rb1 Rxb1 22. Qxb1 Bd8 23. Ne5 Kf8 24. Qb6 Nf6 25. Qxc6 Qe7 26. Qa6 Bc7 27. Nc6 Qd7 28. Bxa5 Ne8 29. Bxc7 Nxc7 30. Qb7 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "3"]
[White "Sommer, Andreas"]
[Black "Colbow, Collin"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1773"]
[BlackElo "1518"]
[PlyCount "47"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d6 7. e3 0-0 8. Bd3 e5 9. Qc2 Re8 10. dxe5 dxe5 11. e4 Bg4 12. 0-0 Nc6 13. h3 Bxf3 14. Nxf3 Nd7 15. b4 b6 16. Qb2 Nf8 17. Bc2 Red8 18. Rfd1 f6 19. Ba4 Rxd1+ 20. Rxd1 Rd8 21. Rd5 Nb8 22. Qd2 Ne6 23. Ne1 c6 24. Rxd8+ 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "2"]
[White "Bergmann, Reinhold"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "1869"]
[BlackElo "1773"]
[PlyCount "94"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. 0-0 Bg7 10. Qd3 0-0 11. Re1 Nd7 12. b4 b6 13. Bb2 a5 14. a3 Rb8 15. Qd2 Bb7 16. Nb5 Nf6 17. Nc3 Rc8 18. Qe2 e6 19. Rac1 Ba6 20. b5 Bb7 21. Rc2 Qc7 22. Nd2 Nd7 23. Na4 Bxb2 24. Nxb2 Nc5 25. Qg4 Rfd8 26. Qg5 Kg7 27. e5 dxe5 28. Qxe5+ Qxe5 29. Rxe5 Nd3 30. Nxd3 Rxd3 31. Re3 Rxe3 32. fxe3 Kf6 33. Kf2 e5 34. e4 Ke6 35. Ke3 f5 36. g3 Rc7 37. exf5+ gxf5 38. a4 Kd6 39. Nb3 Be4 40. Rc3 Bd5 41. c5+ Ke6 42. c6 Kd6 43. Nd2 Rg7 44. Nc4+ Bxc4 45. Rxc4 Kc7 46. Rh4 Kd6 47. Kd3 Kc5 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "1"]
[White "Sommer, Andreas"]
[Black "Hommer, Jeremy"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1773"]
[BlackElo "1679"]
[PlyCount "39"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 Nf6 6. Bf4 Be7 7. e3 0-0 8. Bd3 c6 9. 0-0 Ne4 10. h3 Be6 11. Ne5 Nd7 12. Ne2 Kh8 13. Bh2 g5 14. Kh1 Qe8 15. Ng1 Bf7 16. Nxf7+ Qxf7 17. Nf3 Qg7 18. Ne5 Nxe5 19. Bxe5 Bf6 20. Bh2 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.04.04"]
[Round "9"]
[White "Sommer, Andreas"]
[Black "Webner, Dennis"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1723"]
[BlackElo "2073"]
[PlyCount "64"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. e3 exd4 4. exd4 Nf6 5. Nc3 Nc6 6. Nf3 Bf5 7. a3 Qd7 8. c5 g6 9. Bd3 Bg4 10. Be2 Bg7 11. h3 Bf5 12. 0-0 Ne4 13. Be3 0-0 14. Bd3 Rfe8 15. Bb1 Nd8 16. Ng5 Nxg5 17. Bxg5 h6 18. Be3 Re7 19. Qd2 Kh7 20. Re1 Nc6 21. Ba2 Be6 22. b4 Rae8 23. Bb3 Nd8 24. b5 g5 25. f4 gxf4 26. Bxf4 Bxh3 27. Rxe7 Rxe7 28. gxh3 Qxh3 29. Bxd5 Ne6 30. Bxe6 Rxe6 31. Ne2 Rxe2 32. Qxe2 Bxd4+ 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.04.03"]
[Round "8"]
[White "Bokelmann, Joachim"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2022"]
[BlackElo "1723"]
[PlyCount "49"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. e3 Qb6 5. b3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nd7 8. Bg3 Ngf6 9. h3 Ne4 10. Bh2 e6 11. f3 Nef6 12. Ne2 c5 13. c3 Bd6 14. Bxd6 Qxd6 15. Nd2 0-0 16. f4 Nh7 17. 0-0 f5 18. Nf3 Nhf6 19. Ne5 Rac8 20. c4 Ne4 21. Rfd1 Ndf6 22. Rac1 Rfd8 23. Nc3 Nxc3 24. Rxc3 Ne4 25. Rc2 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.04.02"]
[Round "7"]
[White "Sommer, Andreas"]
[Black "Gebur, Thomas"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "1723"]
[BlackElo "1870"]
[PlyCount "57"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 c6 8. Re1 Na6 9. Bf4 Bd7 10. Qd2 Rb8 11. c5 Rc8 12. cxd6 exd6 13. Bxd6 Re8 14. Be5 Be6 15. Ng5 h6 16. Nxe6 Rxe6 17. f4 Ng4 18. Rad1 Qb6 19. e3 Rd8 20. Qe2 Kh8 21. Bf3 h5 22. h3 Nf6 23. g4 hxg4 24. hxg4 Kg8 25. gxf5 gxf5 26. Qg2 Rd7 27. d5 Nxd5 28. Nxd5 Rxd5 29. Qxg7# 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.04.01"]
[Round "6"]
[White "Volk, Robin"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1285"]
[BlackElo "1723"]
[PlyCount "76"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. Bf4 Bf5 4. Qd2 e6 5. e3 Nf6 6. f3 Bd6 7. Nge2 0-0 8. g4 Bg6 9. h4 h5 10. Ng3 Re8 11. 0-0-0 Qc7 12. Bd3 Bxd3 13. cxd3 e5 14. dxe5 Bxe5 15. g5 d4 16. Bxe5 Qxe5 17. Nce4 Nxe4 18. Nxe4 dxe3 19. Qxe3 Nd7 20. f4 Qd5 21. Qf2 Qxa2 22. f5 Qd5 23. Rhe1 Re5 24. Rf1 g6 25. fxg6 fxg6 26. Nc3 Qb3 27. d4 Re7 28. Qc2 Qxc2+ 29. Kxc2 Nb6 30. Rd2 Nc4 31. Na4 Ne3+ 32. Kc3 Nxf1 33. Rf2 Ne3 34. Kd2 Rd8 35. Kd3 Nf5 36. Rf4 Red7 37. Ke2 Rxd4 38. Rxd4 Rxd4 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.03.31"]
[Round "5"]
[White "Sommer, Andreas"]
[Black "Ditmas, Hugh"]
[Result "1/2-1/2"]
[ECO "E47"]
[WhiteElo "1723"]
[BlackElo "1893"]
[PlyCount "69"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 b6 6. Nge2 Bb7 7. 0-0 d5 8. a3 Bd6 9. cxd5 exd5 10. Ng3 Re8 11. Nf5 Bf8 12. Bd2 g6 13. Ng3 Bg7 14. Rc1 a6 15. Nce2 Nbd7 16. b4 Rc8 17. Qb3 b5 18. a4 bxa4 19. Qxa4 Nb6 20. Qb3 h5 21. Rfd1 Bf8 22. b5 axb5 23. Bxb5 h4 24. Nf1 c6 25. Bd3 Bd6 26. Ba5 Bc7 27. Rb1 Nbd7 28. Bxc7 Rxc7 29. Nf4 Kg7 30. Be2 Qe7 31. Qb4 Nf8 32. Qxe7 Rexe7 33. Nd2 g5 34. Nh5+ Nxh5 35. Bxh5 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.03.30"]
[Round "4"]
[White "Scheunemann, Daniel"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1361"]
[BlackElo "1723"]
[PlyCount "66"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 Bg4 6. Bxc4 Bxf3 7. gxf3 e6 8. Be3 Be7 9. Qd2 b5 10. Bd3 a6 11. 0-0-0 Nbd7 12. e5 Nd5 13. Rhg1 Nxe3 14. Qxe3 g6 15. Ne4 Nb6 16. Bc2 a5 17. Qf4 Nd5 18. Qh6 Bf8 19. Nd6+ Qxd6 20. exd6 Bxh6+ 21. Kb1 Bf4 22. a4 Bxh2 23. Rge1 Kd7 24. axb5 cxb5 25. Bd3 b4 26. Rc1 Rhc8 27. Be4 Kxd6 28. Rh1 Rxc1+ 29. Kxc1 Bf4+ 30. Kb1 h5 31. Kc2 a4 32. Ra1 h4 33. Kd3 h3 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.03.29"]
[Round "3"]
[White "Sommer, Andreas"]
[Black "Zijlstra, Berend"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1723"]
[BlackElo "1319"]
[PlyCount "75"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qa5 5. Bd2 c6 6. Nf3 Nbd7 7. e4 Qd8 8. Bd3 e6 9. 0-0 Be7 10. Re1 0-0 11. Rc1 b5 12. a3 Bb7 13. Bb1 a6 14. Qc2 g6 15. Rcd1 Re8 16. Ba2 Bf8 17. Bg5 Be7 18. Qc1 h5 19. h4 Nh7 20. d5 cxd5 21. exd5 exd5 22. Nxd5 Rc8 23. Qe3 Bxd5 24. Bxd5 Bc5 25. Qxe8+ Qxe8 26. Rxe8+ Rxe8 27. Bc6 Nhf8 28. Bh6 Re2 29. Bxd7 Rxf2 30. Kh2 Rxb2 31. Be8 Kh7 32. Bf4 Ne6 33. Be5 Re2 34. Bxf7 Ng7 35. Rd8 Rxe5 36. Nxe5 Bxa3 37. Bxg6+ Kh6 38. Rh8# 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.03.29"]
[Round "2"]
[White "Weinitschke, Harald"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1341"]
[BlackElo "1723"]
[PlyCount "113"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Be7 6. b3 0-0 7. Nbd2 Nbd7 8. Bb2 Ne4 9. Rc1 c6 10. c4 Ndf6 11. Nh4 Nxd2 12. Qxd2 Ne4 13. Bxe4 Bxe4 14. Ng2 h6 15. f3 Bh7 16. Rce1 Rc8 17. e4 b6 18. cxd5 cxd5 19. Re2 a5 20. Rfe1 Bb4 21. Qe3 Bxe1 22. Rxe1 Rc2 23. Ba3 Re8 24. exd5 Qxd5 25. Nf4 Qg5 26. Rc1 Rec8 27. Rxc2 Rxc2 28. d5 e5 29. Qxb6 Bf5 30. Qb8+ Kh7 31. Qxe5 Rd2 32. Be7 Rd1+ 33. Kf2 Rf1+ 34. Ke2 f6 35. Bxf6 gxf6 36. Qe7+ Kg8 37. Kxf1 Bb1 38. Qe8+ Kh7 39. Qf7+ Qg7 40. Qxg7+ Kxg7 41. a3 Kf7 42. Ke2 Bc2 43. b4 axb4 44. axb4 Ba4 45. Kd3 Ke7 46. Ke4 Bd7 47. Ne6 Kd6 48. Nd4 h5 49. f4 Kc7 50. Ne6+ Kd6 51. Ng7 Bg4 52. h3 Bd1 53. Nf5+ Kd7 54. Kd4 Be2 55. Kc5 Bf1 56. h4 Bg2 57. b5 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2015.03.28"]
[Round "1"]
[White "Sommer, Andreas"]
[Black "Peters, Frank"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "1723"]
[BlackElo "2109"]
[PlyCount "50"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 a5 6. Be2 Nd7 7. h4 h5 8. Be3 Nc5 9. f3 b6 10. Na4 Nxa4 11. Qxa4+ Bd7 12. Qc2 Nh6 13. Bd3 Qe7 14. Ne2 0-0 15. Qd2 Kh7 16. 0-0-0 f5 17. Bg5 Qe8 18. f4 fxe4 19. Bxe4 Bg4 20. Rde1 Nf5 21. Bf3 Bxf3 22. gxf3 e4 23. fxe4 Qxe4 24. Qc2 Rae8 25. Kd1 Ne3+ 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.05"]
[Round "7"]
[White "Sommer, Andreas"]
[Black "Krumschmidt, Michael"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1789"]
[BlackElo "1659"]
[PlyCount "21"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bf4 Bd7 5. e4 e6 6. Bxc4 c5 7. d5 exd5 8. exd5 Bg4 9. f3 Qe7+ 10. Nge2 Nh5 11. Bxb8 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "6"]
[White "Braje, Monika"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1764"]
[BlackElo "1789"]
[PlyCount "81"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g6 5. Bc4 Bg7 6. Qb3 e6 7. Nf3 Nc6 8. Nb5 d6 9. Bf4 Ne5 10. Nxe5 dxe5 11. Rd1 Qb6 12. Be3 Qa5+ 13. Bd2 Qb6 14. 0-0 Ne7 15. Be3 Qa5 16. Nd6+ Kf8 17. Bb5 Bf6 18. Bh6+ Bg7 19. Be3 Nc6 20. Bc5 Kg8 21. Nc4 Qc7 22. Bd6 Qd8 23. Nxe5 Nxe5 24. Bxe5 Qe7 25. Bd6 Qf6 26. Bc7 h5 27. e5 Qe7 28. Qc3 a6 29. Bd8 Qf8 30. Bg5 f6 31. exf6 Bh6 32. Qc2 Qf7 33. Rd8+ Bf8 34. Bd3 Kh7 35. Rxc8 Rxc8 36. Qxc8 Bd6 37. Qc3 Rd8 38. Re1 b5 39. Qb3 Re8 40. Bc2 Qc7 41. Qd3 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "5"]
[White "Traetmar, Mattis"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1794"]
[BlackElo "1789"]
[PlyCount "93"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Nxf6+ Bxf6 8. Bf4 0-0 9. Be2 Re8 10. 0-0 c5 11. c3 cxd4 12. cxd4 Nb6 13. Rc1 Nd5 14. Bg3 Qb6 15. Qd2 Bd7 16. Rc5 Rac8 17. Rfc1 Rxc5 18. dxc5 Qb4 19. Rc2 Qxd2 20. Nxd2 Nb4 21. Rc1 Bg5 22. a3 Nd5 23. Rc2 f5 24. Be5 Rc8 25. b4 b6 26. Ba6 Rd8 27. Nf3 Bf4 28. c6 Bc8 29. Bxc8 Rxc8 30. Bxf4 Nxf4 31. Nd4 Kf7 32. Nb5 Ke7 33. Nxa7 Rc7 34. Nb5 Rc8 35. a4 Nd5 36. Rc4 Ra8 37. Na3 Kd6 38. b5 e5 39. Kf1 Nf4 40. c7 Kd7 41. a5 bxa5 42. b6 Kc8 43. Nb5 Kb7 44. c8Q+ Rxc8 45. Nd6+ Kxb6 46. Rxc8 a4 47. Ra8 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "3"]
[White "Raetzke von Stoyentin, Steffen"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "1855"]
[BlackElo "1789"]
[PlyCount "67"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 b4 10. Ne4 Nxe4 11. Bxe4 Nf6 12. Bd3 Be7 13. Qb3 a5 14. e4 0-0 15. a4 Ba6 16. Bxa6 Rxa6 17. Qc4 Qa8 18. Bg5 h6 19. Bxf6 Bxf6 20. e5 Be7 21. Nd2 Rd8 22. Nb3 Rd5 23. Rfe1 Ra7 24. Rac1 Rc7 25. f4 f5 26. exf6 Bxf6 27. Rxe6 Qd8 28. Qe2 Kh7 29. Qe4+ g6 30. Rcxc6 Rxc6 31. Rxc6 Rxd4 32. Nxd4 Bxd4+ 33. Kh1 Bf6 34. h3 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Frese, Immo"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1789"]
[BlackElo "1804"]
[PlyCount "70"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 0-0 7. c5 Nbd7 8. Bd3 b6 9. b4 a5 10. a3 Re8 11. 0-0 h6 12. Bh4 bxc5 13. bxc5 Ba6 14. Bg3 Bxd3 15. Qxd3 Nh5 16. Ne5 Nxe5 17. Bxe5 Bf6 18. f4 Be7 19. Qe2 Nf6 20. f5 Nd7 21. Bg3 Bf6 22. fxe6 Rxe6 23. Qd3 Qe7 24. Rfe1 Re8 25. Nd1 Nxc5 26. Qc2 Bxd4 27. Rb1 Bxe3+ 28. Nxe3 Rxe3 29. Bf2 Rxe1+ 30. Rxe1 Ne4 31. Qxc6 Qe6 32. Qb5 Rc8 33. Qxa5 Rc2 34. Rf1 Nxf2 35. Qa4 Qe2 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "1"]
[White "Helmer, Jan"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1665"]
[BlackElo "1789"]
[PlyCount "112"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 e6 5. e4 a6 6. Bxc4 b5 7. Bd3 Bb7 8. Qc2 Nbd7 9. 0-0 c5 10. Qe2 cxd4 11. Nxd4 Nc5 12. Rd1 Nxd3 13. Rxd3 Qc7 14. a3 Be7 15. Bd2 Rd8 16. Rc1 Qd7 17. Bf4 0-0 18. f3 Nh5 19. Qd2 Nxf4 20. Qxf4 e5 21. Qxe5 Bf6 22. Qh5 Bxd4+ 23. Kh1 Qe7 24. Nd5 Bxd5 25. exd5 Bxb2 26. Rcd1 Rd6 27. h3 Rfd8 28. f4 Qe4 29. Qg5 h6 30. Qh5 Bf6 31. Qf3 Qxf3 32. Rxf3 Rxd5 33. Rxd5 Rxd5 34. Rf2 a5 35. Rc2 b4 36. Rc8+ Kh7 37. axb4 axb4 38. Rb8 Bc3 39. Rb7 Rd4 40. g3 Be1 41. Kg2 Kg6 42. Rb6+ f6 43. Rb7 Rd3 44. g4 b3 45. f5+ Kh7 46. Kf1 Re3 47. Rb5 Bd2 48. Rb7 Bc1 49. Rb5 b2 50. Kf2 Rxh3 51. Ke2 Bf4 52. Kd1 Be5 53. Kc2 Rg3 54. Rb4 Rf3 55. Kd1 Rf1+ 56. Kc2 Rc1+ 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "2"]
[White "Sommer, Andreas"]
[Black "Martin, Dennis"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1789"]
[BlackElo "1932"]
[PlyCount "38"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 0-0 7. Be2 Nbd7 8. 0-0 dxc4 9. Bxc4 Nh5 10. Bg5 h6 11. Bh4 Ndf6 12. Ne5 Nd5 13. Qb3 g5 14. Bg3 e6 15. Ne4 f5 16. Nd2 f4 17. exf4 gxf4 18. Bxd5 exd5 19. Qf3 Rf5 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.19"]
[Round "9"]
[White "Pundt, Wilfried"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1931"]
[BlackElo "1748"]
[PlyCount "80"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Nge7 8. 0-0 Ng6 9. Nc3 Be7 10. a3 Bd7 11. Ne2 Nh4 12. Nxh4 Bxh4 13. Bb1 Na5 14. b4 Nc4 15. Nf4 Be7 16. Be3 a5 17. Qg4 g6 18. Ba2 Bb5 19. a4 Nxe3 20. fxe3 Bxf1 21. Rxf1 axb4 22. Bxd5 exd5 23. Nxd5 Qc6 24. Qf3 Rf8 25. e4 Rc8 26. Nxe7 Kxe7 27. d5 Qd7 28. Qf6+ Ke8 29. e6 Qe7 30. Qe5 Rd8 31. Rf6 Qc5+ 32. Kf1 Qc1+ 33. Ke2 Qc2+ 34. Kf1 Qd1+ 35. Kf2 Qd2+ 36. Kf1 Qc1+ 37. Kf2 Qc5+ 38. Kf1 fxe6 39. Qxe6+ Qe7 40. Rxf8+ Kxf8 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.18"]
[Round "8"]
[White "Sommer, Andreas"]
[Black "Morisse, Heinz"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "1748"]
[BlackElo "1642"]
[PlyCount "69"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 b6 6. Nf3 Bb7 7. Be2 cxd4 8. exd4 Bxc3+ 9. Qxc3 Ne4 10. Qc2 f5 11. 0-0 0-0 12. Rd1 Qf6 13. Bf4 g5 14. Be5 Qe7 15. d5 d6 16. Bc3 e5 17. Bd3 g4 18. Bxe4 fxe4 19. Nd2 e3 20. fxe3 Qg5 21. Nf1 Nd7 22. Qe2 Rf6 23. Ng3 Qg6 24. Rf1 Raf8 25. Rxf6 Nxf6 26. e4 Bc8 27. Rf1 Rf7 28. b4 Rc7 29. c5 bxc5 30. bxc5 Nd7 31. c6 Nf8 32. Rb1 Qg7 33. Rb8 Qf7 34. Rxc8 Rxc8 35. Qxg4+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.17"]
[Round "7"]
[White "Rockmann, Jan Okke"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "1830"]
[BlackElo "1748"]
[PlyCount "57"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 a6 6. g3 Nc6 7. Bg2 Bc5 8. Nb3 Be7 9. 0-0 0-0 10. e4 d6 11. Be3 Ne5 12. Qe2 Qc7 13. Nd2 Rb8 14. Rac1 Nfd7 15. f4 Nc6 16. a3 a5 17. Nb5 Qd8 18. Rfd1 e5 19. Nf3 Qe8 20. Nxd6 Bxd6 21. Rxd6 Qe7 22. Rdd1 Nc5 23. Nh4 Be6 24. f5 Bd7 25. Rd5 Nb3 26. Rf1 f6 27. Nf3 Rfd8 28. Qd3 a4 29. Bb6 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.16"]
[Round "5"]
[White "Jung, Gerald"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1997"]
[BlackElo "1748"]
[PlyCount "77"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bd3 h6 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 g6 8. Nc3 d6 9. 0-0-0 Nd7 10. f4 d5 11. Rf1 Nf8 12. Nge2 c5 13. dxc5 Bxc5 14. h4 h5 15. Qf3 Be7 16. g4 Bd7 17. gxh5 Rxh5 18. Ng3 Rxh4 19. Rxh4 Bxh4 20. Nb5 Be7 21. f5 gxf5 22. Nh5 Qb6 23. Ng7+ Kd8 24. Nxf5 Bg5+ 25. Kb1 Bxb5 26. Bxb5 Qxb5 27. Nd6 Qc6 28. Nxf7+ Kc7 29. Nxg5 Nd7 30. Qh3 Rf8 31. Rxf8 Nxf8 32. a3 Qe8 33. Qh8 Qe7 34. Qg8 a6 35. Nf7 Nd7 36. Ka2 Qf8 37. Qg6 Qe7 38. Qh5 Qf8 39. Qg6 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.16"]
[Round "6"]
[White "Sommer, Andreas"]
[Black "Dietrich, Igor"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "1748"]
[BlackElo "1893"]
[PlyCount "81"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Bf4 Nf6 6. Nc3 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bg3 0-0 11. a3 Rc8 12. Bh4 Be7 13. 0-0 h6 14. Rac1 Nh5 15. Bxe7 Qxe7 16. Na4 Nf6 17. Rc2 Rc7 18. Rfc1 Rfc8 19. Nc5 Nb8 20. Qb3 b6 21. Nd3 Ne4 22. Nde5 g6 23. h3 Kg7 24. Rxc7 Rxc7 25. Rc2 Qd6 26. a4 f6 27. Nd3 Nc6 28. Qb5 Kf7 29. Nde1 h5 30. Qb3 Ke7 31. Rc1 Kd8 32. Nd3 g5 33. Qd1 Na5 34. Rxc7 Qxc7 35. Qc1 Qxc1+ 36. Nxc1 a6 37. Ne1 Nc4 38. Ned3 Kd7 39. Kf1 a5 40. Ke2 h4 41. b3 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.16"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Pienski, Olaf"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1748"]
[BlackElo "2067"]
[PlyCount "60"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. g3 c6 6. Nc3 Be6 7. b3 Nd7 8. Nf3 f6 9. Bd2 Ne7 10. e4 Nc8 11. Rd1 Ncb6 12. Be2 a5 13. 0-0 Kc7 14. Be3 Bb4 15. Rc1 Bh3 16. Rfd1 a4 17. c5 Nxc5 18. Bxc5 Bxc5 19. Nb5+ cxb5 20. Rxc5+ Kb8 21. Rxb5 Nc8 22. Bc4 axb3 23. Bxb3 Bg4 24. Kg2 Na7 25. Rb6 Nc6 26. Bd5 Ra3 27. Rdb1 Bxf3+ 28. Kg1 Nd8 29. Bxb7 Nxb7 30. Rxb7+ Ka8 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.15"]
[Round "3"]
[White "Schwenteck, Peter"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1910"]
[BlackElo "1748"]
[PlyCount "82"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. 0-0 Nc6 6. c3 Bd6 7. Nbd2 0-0 8. Qc2 Qc7 9. dxc5 Bxc5 10. Qb1 e5 11. b4 Be7 12. Bb2 Bg4 13. a3 e4 14. Nd4 Nxd4 15. cxd4 Bxe2 16. Rc1 Qd7 17. Rc3 Rac8 18. Qe1 Rxc3 19. Bxc3 Bg4 20. Nf1 Bh3 21. Bd2 Rc8 22. Rc1 Ne8 23. Ne3 Be6 24. Qd1 Rxc1 25. Qxc1 Qc7 26. Qb2 Nd6 27. b5 Nf5 28. a4 Nxe3 29. Bxe3 b6 30. Qb3 f5 31. Bh3 Qc4 32. Qxc4 dxc4 33. Kf1 c3 34. Bc1 g6 35. Ke1 Bb3 36. g4 fxg4 37. Bxg4 Bxa4 38. Be6+ Kg7 39. Bc4 Bc2 40. Bf4 Bd3 41. Be5+ Bf6 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.14"]
[Round "1"]
[White "Kosak, Robert"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2219"]
[BlackElo "1748"]
[PlyCount "47"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nf6 5. Bg2 Nc6 6. Ne2 Be7 7. 0-0 0-0 8. exd5 Nxd5 9. Nc4 Nd4 10. c3 Nf5 11. Ne3 Nfxe3 12. fxe3 Qc7 13. d4 Bg5 14. Nf4 Nxf4 15. gxf4 Bf6 16. Kh1 Bd7 17. dxc5 Bc6 18. e4 Bb5 19. Rg1 Bh4 20. Be3 Be7 21. b4 Rad8 22. Qg4 f5 23. Qg3 fxe4 24. Bf1 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2014.04.14"]
[Round "2"]
[White "Sommer, Andreas"]
[Black "Koloski, Brigitta"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "1748"]
[BlackElo "1151"]
[PlyCount "70"]
[EventDate "2014.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Bd3 0-0 6. Nge2 Ne4 7. 0-0 c6 8. Nxe4 dxe4 9. Bxe4 f5 10. Bf3 Be7 11. Qb3 Rf6 12. Rd1 Qb6 13. Nf4 g5 14. Nd3 Nd7 15. h3 Qc7 16. e4 f4 17. Bd2 Rh6 18. Rac1 Qb6 19. d5 e5 20. Bc3 Bf6 21. c5 Qxb3 22. axb3 Kg7 23. d6 a5 24. Bg4 Kf7 25. Bxd7 Bxd7 26. Bxe5 Ke6 27. Bxf6 Kxf6 28. Ra1 f3 29. gxf3 Rxh3 30. Kg2 Rh4 31. Rh1 Rxh1 32. Rxh1 Kg6 33. Ne5+ Kg7 34. Nxd7 a4 35. Nb6 Ra5 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.05"]
[Round "7"]
[White "Fischer, Manfred"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1828"]
[BlackElo "1809"]
[PlyCount "88"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Ne2 Be7 6. Bg5 0-0 7. c3 h6 8. Bh4 Bg4 9. f3 Be6 10. Nd2 Nbd7 11. Qc2 a6 12. 0-0 Rc8 13. b4 Re8 14. Nf4 Nf8 15. Nxe6 Nxe6 16. Rfe1 a5 17. a3 b6 18. Bf5 c5 19. Rxe6 fxe6 20. Bxe6+ Kh8 21. Bxc8 Qxc8 22. bxc5 bxc5 23. Nb3 cxd4 24. Nxd4 Bd8 25. a4 Re3 26. Rc1 Qc4 27. Qb3 Qxd4 28. cxd4 Rxb3 29. Rc8 Rb4 30. Rxd8+ Kh7 31. Bxf6 gxf6 32. Rxd5 Rxa4 33. Rb5 Kg7 34. Kf2 Ra2+ 35. Kg3 a4 36. Ra5 a3 37. d5 Rd2 38. Rxa3 Rxd5 39. h4 Kg6 40. Ra6 Rb5 41. Re6 Ra5 42. Kf4 Ra4+ 43. Re4 Ra5 44. g4 Rb5 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "5"]
[White "Schlichter, Lisa"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1654"]
[BlackElo "1809"]
[PlyCount "65"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nd2 Nf6 4. g3 Nc6 5. Bg2 d5 6. Ngf3 Be7 7. 0-0 0-0 8. Re1 Re8 9. e5 Ng4 10. Nf1 f6 11. exf6 Bxf6 12. h3 Nge5 13. c3 b6 14. N1h2 Ba6 15. Bf1 Bb7 16. Be3 Nxf3+ 17. Nxf3 d4 18. cxd4 cxd4 19. Bd2 Qd6 20. Ng5 Bxg5 21. Bxg5 h6 22. Bc1 Ne5 23. Be2 Qd5 24. f3 Nxf3+ 25. Bxf3 Qxf3 26. Qxf3 Bxf3 27. Bf4 Rad8 28. Kf2 Bb7 29. Rac1 Re7 30. Rc2 Rc8 31. Rxc8+ Bxc8 32. Be5 Rd7 33. Re4 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "6"]
[White "Sommer, Andreas"]
[Black "Weist, Thorben"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1809"]
[BlackElo "1686"]
[PlyCount "138"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Qa4 Qxa4 8. Nxa4 dxc4 9. Nc3 b5 10. g3 Bb4 11. a3 Bxc3+ 12. bxc3 Nd5 13. Kd2 f6 14. Bf4 Nxf4 15. gxf4 Bb7 16. Be2 Kf7 17. Rhg1 c5 18. Rab1 a6 19. f5 exf5 20. Bxc4+ Kf8 21. Ne1 Be4 22. Bd3 Kf7 23. f3 Bxd3 24. Nxd3 cxd4 25. cxd4 Nb6 26. Ke2 Rhe8 27. Rb3 Nc4 28. Nc5 Rad8 29. Rd1 Rd6 30. Rdd3 g5 31. Rb4 h5 32. a4 Rb6 33. Rc3 Rd6 34. Rd3 Rb6 35. Rc3 Rd6 36. Rd3 Nb6 37. axb5 Nd5 38. Rbb3 Nf4+ 39. Kd2 Nxd3 40. Kxd3 axb5 41. Rxb5 Kg6 42. Rb2 Ra8 43. Ke2 Ra1 44. Kf2 g4 45. Rd2 h4 46. d5 Ra5 47. Ne6 Kf7 48. Nf4 Ra4 49. Kg2 Ra3 50. Kf2 Ra1 51. Rb2 Rd7 52. Rc2 Rda7 53. Rd2 R7a2 54. Rxa2 Rxa2+ 55. Kg1 gxf3 56. h3 Ke7 57. Ng6+ Kd6 58. Nxh4 f2+ 59. Kf1 Kxd5 60. Nxf5 Ke4 61. Ng3+ Kxe3 62. Kg2 Ra1 63. Nf1+ Ke2 64. Ng3+ Ke1 65. Nf1 Ra2 66. h4 f5 67. h5 f4 68. Kh2 Kxf1 69. h6 Ra7 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "3"]
[White "Hoppenburg, Jannik"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1802"]
[BlackElo "1809"]
[PlyCount "41"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bg5 Be7 9. Bd3 Bd7 10. 0-0 h6 11. Bf4 Bd6 12. Be5 Bc6 13. c3 0-0 14. Re1 Ng4 15. Rc1 Qe7 16. h3 Nxe5 17. Nxe5 Bxe5 18. Rxe5 Rad8 19. Qg4 Rd5 20. Rce1 Rfd8 21. Bc4 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Boehm, Jana"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1809"]
[BlackElo "1705"]
[PlyCount "40"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Nf3 0-0 9. Be2 Nc6 10. Rc1 cxd4 11. cxd4 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 Rd8 14. d5 e6 15. Bc4 exd5 16. exd5 Be6 17. Ke2 Bxd5 18. h4 Bb2 19. Rc2 Nb4 20. Rxb2 Bxc4+ 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "1"]
[White "Krumschmidt, Michael"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1649"]
[BlackElo "1809"]
[PlyCount "133"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bg5 e6 6. Nf3 Be7 7. e3 0-0 8. Bd3 h6 9. Bh4 b6 10. 0-0 Ba6 11. Nb5 Ne4 12. Bxe7 Qxe7 13. Rc1 Bxb5 14. Bxb5 Nd6 15. Qd3 Nxb5 16. Qxb5 Qd7 17. Qxd7 Nxd7 18. Rc7 Rfd8 19. Rfc1 a5 20. h3 Kf8 21. Kf1 Ke8 22. Ke2 Rab8 23. R1c6 b5 24. Kd3 a4 25. Ne5 Nxe5+ 26. dxe5 b4 27. Kd4 a3 28. b3 Rd7 29. Kc5 Ke7 30. Rxd7+ Kxd7 31. Rd6+ Kc7 32. Ra6 Kd7 33. Ra7+ Ke8 34. Rc7 g6 35. Kc6 Rd8 36. Kc5 Rb8 37. Rc6 Kd7 38. Rb6 Rc8+ 39. Kxb4 Rc2 40. Kxa3 Rxf2 41. g4 Kc7 42. Ra6 Kb7 43. Ra4 Re2 44. Rf4 Rxe3 45. Rxf7+ Kc6 46. Rf6 Rxe5 47. Rxg6 d4 48. Kb4 Kd5 49. Rxh6 Re2 50. Rh8 Rxa2 51. g5 e5 52. g6 Rg2 53. Rg8 Ke6 54. h4 Rh2 55. Rh8 Kf6 56. h5 e4 57. Rh7 e3 58. Rf7+ Ke6 59. Rf8 Ke7 60. g7 e2 61. Re8+ Kxe8 62. g8Q+ Ke7 63. Qh7+ Kf8 64. Qf5+ Kg7 65. Qe5+ Kf8 66. Kc4 Rxh5 67. Qxe2 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "2"]
[White "Sommer, Andreas"]
[Black "Krater, Ruwen"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1809"]
[BlackElo "1645"]
[PlyCount "91"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. 0-0 Nc6 10. Bb2 Bg4 11. e5 Qc7 12. Qc2 Rac8 13. Rac1 Bh6 14. Rcd1 Bxf3 15. Bxf3 cxd4 16. Bg4 e6 17. cxd4 Rfd8 18. d5 exd5 19. Bxc8 Qxc8 20. Rfe1 Qe6 21. Qc3 d4 22. Qb3 Qxb3 23. axb3 Bf4 24. e6 fxe6 25. g3 Bc7 26. Rxe6 Kf7 27. Re4 Be5 28. Rde1 Bc7 29. Bc1 Ba5 30. Rd1 Bb4 31. Bd2 Bc5 32. b4 Bb6 33. b5 Ne7 34. Bg5 Rd7 35. Bxe7 Rxe7 36. Rxe7+ Kxe7 37. Kf1 Ke6 38. Ke2 Kd5 39. Kd3 Kc5 40. Rb1 Ba5 41. g4 Kd5 42. Ra1 Bb6 43. Re1 Bc7 44. h4 h6 45. Re7 Bd8 46. Rd7+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.30"]
[Round "9"]
[White "Sommer, Andreas"]
[Black "Wemssen, Lothar"]
[Result "0-1"]
[ECO "E12"]
[BlackElo "2036"]
[PlyCount "82"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Be7 5. Nc3 Bb7 6. e3 0-0 7. Be2 d6 8. 0-0 Nbd7 9. a4 h6 10. Bh4 g5 11. Bg3 Ne4 12. Nxe4 Bxe4 13. Nd2 Bh7 14. f4 f5 15. fxg5 hxg5 16. Bf3 Rb8 17. Bc6 Nf6 18. a5 Ng4 19. Qe2 Bf6 20. Bf3 Nh6 21. b4 Qe7 22. b5 Qg7 23. Nb3 Rbe8 24. axb6 axb6 25. Ra7 Re7 26. Qd2 Bg6 27. Bc6 e5 28. dxe5 dxe5 29. Rd1 Kh7 30. Be1 Bf7 31. Bd5 Rd8 32. e4 Bg6 33. Qe2 fxe4 34. Bxe4 Rxd1 35. Bxg6+ Qxg6 36. Qxd1 Qe4 37. Qc1 Ng4 38. Qc3 Ne3 39. Ra2 Nxc4 40. Qh3+ Kg6 41. Ra1 Nd6 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.29"]
[Round "7"]
[White "Dietrich, Igor"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1894"]
[PlyCount "162"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Be7 9. Bg5 h6 10. Be3 a6 11. c3 b5 12. 0-0 Bb7 13. Ne5 Bd6 14. f4 Qe7 15. Qd2 Ne4 16. Qc2 Nf6 17. Rae1 c5 18. Qb1 Bxe5 19. fxe5 Nd5 20. Be4 cxd4 21. Bxd4 Rc8 22. Qd3 h5 23. Qg3 g5 24. b4 g4 25. a3 Qg5 26. h4 Qd2 27. Rd1 Qh6 28. Bxd5 Bxd5 29. Rf6 Qh7 30. Rdf1 Rc7 31. Qf4 Qe4 32. Qf2 Rh7 33. Qd2 g3 34. R6f4 Qg6 35. Re1 Rg7 36. Rf6 Qg4 37. Rf4 Qg6 38. Qd1 Kd7 39. a4 Rg8 40. Rf6 Qg4 41. Qxg4 Rxg4 42. Rxf7+ Kc6 43. axb5+ axb5 44. Rxc7+ Kxc7 45. Re3 Bc4 46. Bc5 Kd7 47. Rf3 Kc6 48. Be3 Re4 49. Rxg3 Rxe5 50. Kf2 Rf5+ 51. Ke1 Kd5 52. Rg5 Ke4 53. Kd2 Rd5+ 54. Rxd5 Kxd5 55. g4 hxg4 56. h5 Ke5 57. Bd4+ Kf5 58. h6 Kg6 59. Be3 e5 60. Ke1 g3 61. Kd2 Kf6 62. Ke1 Bd3 63. Kd2 Be4 64. Ke2 Ke6 65. Bg5 Kf7 66. Ke3 g2 67. Kf2 Ke6 68. Be3 Kd5 69. h7 Bxh7 70. Kxg2 Kc4 71. Bd2 Kd3 72. Be1 Ke2 73. Bg3 e4 74. Be5 e3 75. Bf4 Be4+ 76. Kg1 Kf3 77. Bg5 Bd3 78. Bh4 Ke2 79. Bg5 Bc4 80. Bf4 Kd3 81. Kf1 Ke4+ 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.29"]
[Round "8"]
[White "Sommer, Andreas"]
[Black "Hentrop, Malte"]
[Result "1-0"]
[ECO "D11"]
[BlackElo "1820"]
[PlyCount "33"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Qc2 Nf6 4. Nf3 a6 5. g3 e6 6. Bg2 Be7 7. 0-0 Nbd7 8. a4 0-0 9. a5 c5 10. Be3 Ne4 11. Rd1 cxd4 12. Bxd4 Bb4 13. cxd5 exd5 14. Nc3 Qc7 15. Ne1 Nxc3 16. Bxc3 Nf6 17. Bxb4 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.27"]
[Round "6"]
[White "Sommer, Andreas"]
[Black "Schwenteck, Peter"]
[Result "1/2-1/2"]
[ECO "D63"]
[BlackElo "1901"]
[PlyCount "66"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. Rc1 Bb7 11. 0-0 0-0 12. a3 c5 13. dxc5 Nxc5 14. Be2 Rc8 15. Qxd8 Rfxd8 16. Nd4 h6 17. Bh4 Kf8 18. b4 Rxd4 19. exd4 Nb3 20. Na2 Nxc1 21. Rxc1 g5 22. Rxc8+ Bxc8 23. Bg3 Ne4 24. Bc7 Nd2 25. Nc3 Nb3 26. d5 Nd4 27. Bd1 Nf5 28. Bb6 Nd6 29. Bc5 Nc4 30. Bxe7+ Kxe7 31. dxe6 Bxe6 32. a4 Nb2 33. axb5 Nxd1 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.26"]
[Round "5"]
[White "Eichhorst, Gerhard"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1799"]
[PlyCount "78"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bg4 6. Bg5 Be7 7. Nbd2 0-0 8. 0-0 h6 9. Bh4 Nbd7 10. Re1 Re8 11. c3 Nf8 12. Qc2 Nh5 13. Bxe7 Rxe7 14. Ne5 Be6 15. g3 Nf6 16. Re2 Qd6 17. Rae1 Rae8 18. Ndf3 Ng4 19. Bf5 Nxe5 20. Rxe5 Nd7 21. R5e3 c5 22. Bxe6 Rxe6 23. Rxe6 Rxe6 24. Qd1 c4 25. Rxe6 Qxe6 26. Qe1 b5 27. Qxe6 fxe6 28. Nd2 Nb6 29. b3 a5 30. Kf1 b4 31. Nb1 Kf7 32. f4 Kf6 33. g4 g5 34. fxg5+ Kxg5 35. h3 Kf4 36. Kf2 Nd7 37. cxb4 axb4 38. a4 bxa3 39. Nxa3 cxb3 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.25"]
[Round "4"]
[White "Sommer, Andreas"]
[Black "Brehm, Stefan"]
[Result "0-1"]
[ECO "D15"]
[BlackElo "1890"]
[PlyCount "86"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 b5 6. cxd5 cxd5 7. Bd3 Bb7 8. 0-0 Nbd7 9. Bd2 Rc8 10. a3 e6 11. Qe1 Bd6 12. Ne2 0-0 13. Ba5 Qe7 14. Ng3 g6 15. Qd2 Ne4 16. Qe2 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. f4 Qe7 20. Bxe4 dxe4 21. Bc3 Rc4 22. Qg4 f5 23. Qd1 Bc5 24. Re1 Rd8 25. Qe2 Rd3 26. Nf1 Qc7 27. g3 a5 28. Rac1 Bxa3 29. Be5 Bd6 30. Rxc4 bxc4 31. Bxd6 Qxd6 32. Qc2 Qb4 33. Re2 Qb3 34. Kf2 Ba6 35. Rd2 a4 36. Ke1 c3 37. bxc3 Rxc3 38. Rd8+ Kf7 39. Qxb3+ axb3 40. Nd2 b2 41. Rb8 Rc1+ 42. Kf2 Rc2 43. Ke1 Bd3 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.24"]
[Round "3"]
[White "Boehm, Karl1"]
[Black "Sommer, Andreas"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1868"]
[PlyCount "55"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Nbd7 5. Nf3 a6 6. cxd5 exd5 7. Bd3 Be7 8. 0-0 0-0 9. b3 b5 10. Bb2 Re8 11. Qc2 Bb7 12. Rac1 c5 13. dxc5 Nxc5 14. Bf5 Ne6 15. Rfd1 b4 16. Ne2 Rc8 17. Qb1 Rxc1 18. Rxc1 h6 19. Ned4 Nxd4 20. Nxd4 Ne4 21. Nc6 Qb6 22. Nxe7+ Rxe7 23. Bd4 Qd8 24. Qb2 f6 25. f3 Nd6 26. Bg6 Rc7 27. Rxc7 Qxc7 28. Qc2 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.24"]
[Round "2"]
[White "Sommer, Andreas"]
[Black "Rast, Matthias"]
[Result "1-0"]
[ECO "E93"]
[PlyCount "43"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Nf3 0-0 6. Be2 Nbd7 7. Bg5 e5 8. d5 c5 9. Qd2 a6 10. h4 h5 11. Nh2 Qc7 12. g4 hxg4 13. Nxg4 Nh5 14. Nh6+ Kh7 15. Bxh5 gxh5 16. Nf5 f6 17. Nxg7 fxg5 18. Ne6 Qb8 19. Nxf8+ Nxf8 20. Qxg5 Qc7 21. Qxh5+ Kg7 22. Rg1+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.23"]
[Round "1"]
[White "Pautz, Peter"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2034"]
[PlyCount "69"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Qc2 Bb4+ 6. Bd2 Qe7 7. a3 Bxd2+ 8. Nbxd2 Nbd7 9. Bg2 0-0 10. 0-0 Rb8 11. b4 b5 12. c5 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Nf3 Qc7 16. Nd4 Bd7 17. Rfd1 Rfe8 18. e3 a5 19. bxa5 Qxa5 20. a4 b4 21. Nb3 Qa7 22. a5 Ne4 23. Bxe4 Rxe4 24. Rd4 Bf5 25. Qe2 Qe7 26. a6 Bg4 27. Qd2 Bf3 28. a7 Ra8 29. Qxb4 Qe8 30. Rxe4 Bxe4 31. Qb7 Bf5 32. Nd4 Bd7 33. Qc7 Rc8 34. Qxc8 Bxc8 35. a8Q 1-0

[Event "EM/C/A047 email"]
[Site "ICCF email"]
[Date "1998.??.??"]
[Round "?"]
[White "Castellano, Lorenzo"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2056"]
[PlyCount "90"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Ne4 7. e3 Nxc3 8. bxc3 g6 9. Bd3 Bg7 10. 0-0 0-0 11. e4 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. dxe5 Bxe5 15. Rad1 Qf6 16. Bxe5 Qxf3 17. gxf3 Nxe5 18. exd5 Nxf3+ 19. Kg2 Ne5 20. Rfe1 f6 21. f4 Nxd3 22. Rxd3 Rfe8 23. Rxe8+ Rxe8 24. c4 b6 25. Kf3 Kf7 26. a4 f5 27. Re3 Rc8 28. Rc3 Ke7 29. Ke3 Kd6 30. Kd4 Re8 31. Re3 Rxe3 32. Kxe3 Kc5 33. Kd3 h6 34. h4 Kd6 35. Kd4 a5 36. Ke3 Kc7 37. h5 gxh5 38. Kf3 h4 39. Kg2 Kd6 40. Kh3 Ke7 41. Kxh4 Kf6 42. Kh5 Kg7 43. d6 Kf7 44. Kxh6 Ke6 45. Kg5 Kxd6 1-0

[Event "ICCF email"]
[Site "ICCF email"]
[Date "1998.??.??"]
[Round "?"]
[White "Freire, Daniel J"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "D18"]
[PlyCount "125"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Nh4 Bg4 10. f3 Bh5 11. g4 Nd5 12. Ng2 Bg6 13. Na2 Be7 14. e4 N5b6 15. Be2 c5 16. a5 Nc8 17. Bb5 0-0 18. Be3 cxd4 19. Qxd4 Nf6 20. Qa4 Bd6 21. Rac1 Bxe4 22. fxe4 Nxg4 23. Bf4 e5 24. Bg3 b6 25. h3 Nf6 26. Rfd1 Qe7 27. Kh2 a6 28. Bc6 Rb8 29. axb6 Rxb6 30. Rc2 Na7 31. Ne3 Nxc6 32. Nf5 Qb7 33. Nxd6 Qa8 34. Nf5 Nd4 35. Nxd4 exd4 36. Rxd4 Qb7 37. Rb4 Rxb4 38. Qxb4 Qxe4 39. Qxe4 Nxe4 40. Nb4 a5 41. Nc6 g5 42. Bc7 f5 43. Rc4 Kf7 44. Nd4 f4 45. Bxa5 Ra8 46. b4 Kf6 47. Nf3 Kf5 48. Rc7 Kg6 49. Re7 Nf6 50. Ne5+ Kf5 51. Nc6 Re8 52. Rxe8 Nxe8 53. b5 Nd6 54. b6 Ke4 55. Nd8 Kd3 56. Bb4 f3 57. Ne6 Nb7 58. Kg3 Ke3 59. Be1 h5 60. Nxg5 h4+ 61. Kxh4 f2 62. Bxf2+ Kxf2 63. Nf7 1-0

[Event "EM/C/A047 email"]
[Site "ICCF email"]
[Date "1998.??.??"]
[Round "?"]
[White "Sommer, Andreas"]
[Black "D'Alessandro, Giorgio"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1777"]
[PlyCount "76"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5 11. Bxg4 Bxg4 12. f3 Bd7 13. 0-0 Nc6 14. Bf2 e6 15. Nce2 Ne5 16. b3 g4 17. f4 h4 18. Be3 Nc6 19. c4 Qa5 20. Bd2 Qd8 21. Bc3 Qb6 22. Kh1 h3 23. Nxc6 hxg2+ 24. Kxg2 Bxc6 25. Bd4 Bxe4+ 26. Kg1 Qd8 27. Qe1 Bxd4+ 28. Nxd4 d5 29. c5 Qf6 30. Rd1 Rh3 31. Rd2 Qh8 32. c6 0-0-0 33. a4 g3 34. hxg3 Rg8 35. cxb7+ Kxb7 36. Kf2 Rgxg3 37. Qe2 Rg2+ 38. Ke1 Rxe2+ 0-1

[Event "EM/C/A047 email"]
[Site "ICCF email"]
[Date "1998.??.??"]
[Round "?"]
[White "Sommer, Andreas"]
[Black "Van Tricht, Marcel"]
[Result "1/2-1/2"]
[ECO "B66"]
[BlackElo "1880"]
[PlyCount "46"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Be3 Be7 10. f4 Nxd4 11. Bxd4 b5 12. Qe3 Bb7 13. Bxf6 Bxf6 14. e5 Be7 15. exd6 Bxd6 16. Qd4 Ke7 17. f5 e5 18. Qh4+ Kf8 19. f6 gxf6 20. Ne4 Bxe4 21. Qxe4 Rc8 22. Qf5 Rc5 23. Be2 Qe7 1/2-1/2

[Event "ICCF email"]
[Site "ICCF email"]
[Date "1998.??.??"]
[Round "?"]
[White "Vialet, Theodore A"]
[Black "Sommer, Andreas"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "73"]
[EventDate "1998.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. h4 Nf5 15. Rh3 0-0-0 16. Rb1 Na5 17. h5 Rg4 18. Nd1 Rdg8 19. Qc3 Nc4 20. h6 Rh8 21. Qf3 Rg6 22. g4 Ne7 23. g5 Bc6 24. Qc3 b5 25. Nb2 Rgg8 26. a4 Rd8 27. axb5 axb5 28. Ra1 Nf5 29. Qb4 Kd7 30. Nxc4 bxc4 31. Rha3 Rb8 32. Qc3 Rb7 33. Be3 Rhb8 34. Ra7 Qd8 35. Bh3 Nxh6 36. Rxb7+ Rxb7 37. Qa3 1-0

