[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.02.05"]
[Round "6.6"]
[White "Sergin, Mark"]
[Black "Piceu, Tom"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2221"]
[BlackElo "2324"]
[PlyCount "105"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Aachen SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 a6 3. Nge2 d6 4. g3 Nc6 5. Bg2 g6 6. 0-0 Bg7 7. d3 e6 8. Be3 Nge7 9. d4 cxd4 10. Nxd4 0-0 11. a4 Qc7 12. Nxc6 Nxc6 13. f4 Nb4 14. Ra3 Bd7 15. a5 Bb5 16. Nxb5 axb5 17. c3 Nc6 18. Bb6 Qd7 19. b4 Rac8 20. Qd3 Ne7 21. Rd1 Qc6 22. e5 d5 23. Bc5 Rfe8 24. Bf1 g5 25. Qxb5 gxf4 26. a6 bxa6 27. Rxa6 Qc7 28. gxf4 Ng6 29. Ra7 Qd8 30. Qb7 Nh8 31. Be7 Rxe7 32. Qxe7 Qb6+ 33. Rd4 Qc6 34. c4 Bf8 35. Qb7 dxc4 36. Rxc4 Qxb7 37. Rxb7 Rd8 38. Rbc7 Rb8 39. Rc8 Rb6 40. Bd3 Kg7 41. Bxh7 Bxb4 42. Bc2 Bd2 43. Rd8 Be3+ 44. Kg2 Rb7 45. Rcc8 Ng6 46. Rg8+ Kh6 47. Kf3 Bg1 48. Bxg6 fxg6 49. Rh8+ Kg7 50. Rcg8+ Kf7 51. Rh7+ Kxg8 52. Rxb7 Bxh2 53. Re7 1-0

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.02.04"]
[Round "5.6"]
[White "Korotkjevich, Stanislav"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "E57"]
[WhiteElo "2364"]
[BlackElo "2221"]
[PlyCount "54"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. 0-0 Be7 6. a3 b6 7. c4 Bb7 8. Nc3 cxd4 9. exd4 d5 10. Bg5 dxc4 11. Bxc4 0-0 12. Re1 h6 13. Bf4 Na5 14. Ba2 Rc8 15. Qd3 Nd5 16. Bd2 Nxc3 17. Bxc3 Bd5 18. Bxa5 Bxa2 19. Bxb6 Qxb6 20. Rxa2 Rfd8 21. b4 Bf6 22. Rd2 Rd5 23. Qe3 Rc4 24. Red1 Rc8 25. Rd3 Rcd8 26. Qe4 Qb5 27. R3d2 Qa4 1/2-1/2

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2021.08.08"]
[Round "6"]
[White "Kapce, Viesturs"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2055"]
[BlackElo "2221"]
[PlyCount "92"]
[EventDate "2021.08.08"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. dxc5 bxc5 7. c4 Be7 8. Nc3 a6 9. Qb3 Qc7 10. Rd1 d6 11. Bf4 Nbd7 12. Rd2 0-0 13. Rad1 Ne8 14. Qc2 h6 15. e4 Bc6 16. h4 Ne5 17. b3 Nf6 18. Nxe5 dxe5 19. Be3 Ng4 20. Qd3 Rfd8 21. Qe2 Nxe3 22. Qxe3 Rd4 23. Ne2 Rxd2 24. Rxd2 Rd8 25. Rd3 Qa5 26. Nc1 Rd4 27. f3 Qa3 28. Qd2 Bd8 29. Bf1 Ba5 30. Qc2 Qb4 31. Rxd4 exd4 32. Nd3 Qb6 33. Bg2 Bc3 34. Qe2 a5 35. f4 a4 36. e5 Bxg2 37. Kxg2 axb3 38. axb3 Qxb3 39. Nxc5 Qb4 40. Ne4 Bb2 41. Kh3 Qb3 42. c5 d3 43. Qe3 Qc2 44. Qd2 Qxd2 45. Nxd2 Kf8 46. Kg2 Bc1 0-1

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2021.08.08"]
[Round "5"]
[White "Sergin, Mark"]
[Black "Francs, Marats"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2221"]
[BlackElo "1647"]
[PlyCount "85"]
[EventDate "2021.08.08"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Bb3 h6 7. h3 a6 8. Nbd2 Re8 9. Nf1 d5 10. Qe2 Be6 11. Bc2 Qd7 12. g4 dxe4 13. dxe4 b5 14. Ne3 Rad8 15. g5 hxg5 16. Nxg5 Ne7 17. Nxe6 Qxe6 18. Bb3 Qc6 19. f3 a5 20. a4 b4 21. Nc4 Ng6 22. Nxa5 Qa8 23. Bxf7+ Kxf7 24. Qc4+ Re6 25. Qxc5 Nxe4 26. Qxc7+ Ne7 27. Qb7 Qxa5 28. Qxe4 bxc3 29. b4 Qc7 30. Be3 c2 31. 0-0 Qc3 32. Rac1 Rd3 33. Bc5 Ng6 34. Qb7+ Kf6 35. Qc8 Nf4 36. Rxc2 Nxh3+ 37. Kh1 Qb3 38. Qf8+ Kg6 39. Rg2+ Ng5 40. Rfg1 Kh7 41. Qf5+ Kh8 42. Rh2+ Rh6 43. Qxg5 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2021.08.08"]
[Round "1"]
[White "Sergin, Mark"]
[Black "Grybkauskas, Pijus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2221"]
[BlackElo "1310"]
[PlyCount "68"]
[EventDate "2021.08.08"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 c6 7. Bd2 Qb6 8. Bb3 e6 9. Qe2 Nbd7 10. 0-0-0 0-0-0 11. h3 h5 12. Bf4 Nd5 13. Bd2 Bd6 14. Ne4 Bxe4 15. Qxe4 N7f6 16. Qh4 Ne7 17. Ng5 Ng6 18. Nxf7 Nxh4 19. Bxe6+ Kb8 20. Nxh8 Rxh8 21. g3 Ng6 22. Rhe1 Re8 23. Bg5 Nh7 24. Bf5 Rxe1 25. Rxe1 a6 26. Re8+ Ka7 27. Be3 Ngf8 28. c3 Qa5 29. g4 Nf6 30. Rc8 Nd5 31. Bd2 Qxa2 32. Rd8 Be7 33. Re8 Qc4 34. Kb1 Qf1+ 0-1

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2021.08.08"]
[Round "7"]
[White "Sergin, Mark"]
[Black "Zverev, Lev"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2221"]
[BlackElo "1927"]
[PlyCount "78"]
[EventDate "2021.08.08"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 a6 7. h3 Ba7 8. Nbd2 h6 9. Nf1 0-0 10. g4 d5 11. Qe2 dxe4 12. dxe4 Nh7 13. Ng3 Be6 14. Bc2 Qf6 15. Nf5 b5 16. Nd2 g6 17. Nxh6+ Kg7 18. Nf3 Bc4 19. Bd3 Bxd3 20. Qxd3 Rad8 21. Qe2 Rd7 22. g5 Qe6 23. Ng4 Rfd8 24. Bd2 b4 25. Nf6 Rxd2 26. Nxd2 Nxg5 27. Ng4 bxc3 28. bxc3 Qd6 29. Nc4 Qc5 30. Rd1 Rxd1+ 31. Kxd1 Ne6 32. Qe3 Qe7 33. Qh6+ Kg8 34. h4 Nf4 35. Qg5 Qd7+ 36. Nd2 Qd3 37. Re1 Qxc3 38. Re3 Qa1+ 39. Kc2 Nd4# 0-1

[Event "GER Cup final"]
[Site "Magdeburg"]
[Date "2020.08.22"]
[Round "5"]
[White "Savic, Robert"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "1903"]
[BlackElo "2233"]
[PlyCount "94"]
[EventDate "2020.08.20"]
[EventType "swiss"]
[EventRounds "5"]
[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 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. Nd2 Bg7 8. Nc4 0-0 9. Bf4 b6 10. e3 Qd7 11. a4 Ba6 12. Be2 Bxc4 13. Bxc4 a6 14. 0-0 Qc7 15. Qe2 Nfd7 16. Rac1 Ne5 17. b3 Re8 18. Rfd1 Qd7 19. Bxe5 Rxe5 20. Qd3 Qe7 21. Re1 Rh5 22. Qe4 Qd8 23. g3 Nd7 24. Be2 Nf6 25. Qg2 Re5 26. e4 Qe8 27. f3 Re7 28. Qf1 Qc8 29. Bd3 Nd7 30. Ne2 Ne5 31. Red1 Bh6 32. Nf4 Qb7 33. Be2 b5 34. Rb1 Rc8 35. Kg2 Rb8 36. Nd3 Nd7 37. Nf4 Bg7 38. h4 c4 39. axb5 axb5 40. bxc4 b4 41. Nd3 b3 42. Nb2 Ra8 43. Nd3 Rb8 44. Nc1 b2 45. Nd3 Qa7 46. Rd2 Qa3 47. Rc2 Nc5 0-1

[Event "GER Cup final"]
[Site "Magdeburg"]
[Date "2020.08.21"]
[Round "3"]
[White "Meyer Dunker, Paul"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2105"]
[BlackElo "2233"]
[PlyCount "55"]
[EventDate "2020.08.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8. 0-0 0-0-0 9. h3 Bh5 10. Bf4 Qb4 11. g4 Bg6 12. a3 Qc4 13. g5 Nd7 14. Re1 f6 15. Nd2 Qxd4 16. Be3 Qd6 17. Qe2 Nd4 18. Bxd4 Qxd4 19. Nc4 Qc5 20. b4 Qxg5 21. Na5 Ne5 22. Nxb7 Bh5 23. Qxa6 Bf3 24. Qa8+ Kd7 25. Qxd8+ Ke6 26. Rxe5+ fxe5 27. Qc8+ Kf6 28. Qg4 1-0

[Event "GER Cup final"]
[Site "Magdeburg"]
[Date "2020.08.21"]
[Round "4"]
[White "Sergin, Mark"]
[Black "Krueger, Wolfgang"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2233"]
[BlackElo "2093"]
[PlyCount "53"]
[EventDate "2020.08.20"]
[EventType "swiss"]
[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. Bxc6 dxc6 5. d3 Bg7 6. Be3 b6 7. Qd2 e5 8. 0-0-0 Be6 9. Nge2 Qe7 10. f4 f6 11. Rhf1 exf4 12. Bxf4 0-0-0 13. Qe3 g5 14. Bg3 Nh6 15. h3 Rhe8 16. Qf3 Kb7 17. Rfe1 f5 18. Bf2 f4 19. d4 Nf7 20. Qh5 cxd4 21. Nxd4 h6 22. Nf5 Qf6 23. Bd4 Rxd4 24. Nxd4 Rc8 25. e5 Qe7 26. Qg6 Bd5 27. Qxg7 1-0

[Event "GER Cup final"]
[Site "Magdeburg"]
[Date "2020.08.20"]
[Round "1"]
[White "Falk, Kristoffer"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "2042"]
[BlackElo "2233"]
[PlyCount "57"]
[EventDate "2020.08.20"]
[EventType "swiss"]
[EventRounds "5"]
[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. c4 c5 4. g3 cxd4 5. Nxd4 Nc6 6. Bg2 Bc5 7. Nc2 0-0 8. 0-0 a6 9. Nc3 Be7 10. b3 d6 11. Bb2 Qc7 12. Rc1 Rb8 13. Ne3 Ne5 14. Rc2 b6 15. Qa1 Bb7 16. Rd1 Bxg2 17. Kxg2 Rfc8 18. Qc1 b5 19. cxb5 axb5 20. Ncd5 Nxd5 21. Rxc7 Rxc7 22. Qd2 Nxe3+ 23. Qxe3 Nd7 24. Rc1 Rbc8 25. Rxc7 Rxc7 26. Qd3 b4 27. Qb5 d5 28. Be5 Ra7 29. Bb8 1-0

[Event "GER Cup final"]
[Site "Magdeburg"]
[Date "2020.08.20"]
[Round "2"]
[White "Sergin, Mark"]
[Black "Mueller, Philipp1111"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2233"]
[BlackElo "2171"]
[PlyCount "61"]
[EventDate "2020.08.20"]
[EventType "swiss"]
[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 a6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nc6 7. Nb3 Nf6 8. 0-0 Be7 9. f4 d6 10. Qe2 b5 11. a3 0-0 12. Bd2 Re8 13. Rae1 e5 14. Nd5 Qa7+ 15. Kh1 Bd8 16. Nxf6+ Bxf6 17. f5 Nd4 18. Nxd4 exd4 19. Qg4 Qe7 20. Rf3 Bb7 21. Rh3 d5 22. Qh5 h6 23. e5 Bxe5 24. Bxh6 gxh6 25. Rg3+ Bxg3 26. Rxe7 Rxe7 27. hxg3 f6 28. Qg6+ Rg7 29. Qxf6 Re8 30. Qd6 Kh8 31. Kg1 1-0

[Event "BL2-Sued 1920"]
[Site "Germany"]
[Date "2020.02.09"]
[Round "8.7"]
[White "Sergin, Mark"]
[Black "Martin, Mike"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2191"]
[BlackElo "2155"]
[PlyCount "67"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Worms"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Ndb5 Qb8 8. Bf4 e5 9. Bg5 a6 10. Bxf6 axb5 11. Bg5 b4 12. Nd5 Bc5 13. Be3 b6 14. Qg4 Kf8 15. Bc4 d6 16. Qh4 Be6 17. 0-0 Ra7 18. Bxc5 bxc5 19. f4 exf4 20. gxf4 Qd8 21. Qf2 Na5 22. f5 Qg5+ 23. Kh1 Bxf5 24. exf5 Nxc4 25. Qe2 Ne5 26. f6 gxf6 27. Nxf6 Re7 28. Qa6 Re6 29. Ne4 Qd8 30. Rad1 Qb8 31. Nxc5 Re7 32. Qxd6 Qxd6 33. Rxd6 Ng6 34. Ne6+ 1-0

[Event "BL2-Sued 1920"]
[Site "Germany"]
[Date "2019.12.08"]
[Round "6.6"]
[White "Sergin, Mark"]
[Black "Sokolov, Andrei"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2191"]
[BlackElo "2500"]
[PlyCount "48"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Emmendingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. g4 h6 7. h4 Nc6 8. Rg1 d5 9. Bb5 Bd7 10. exd5 Nxd5 11. Nxd5 exd5 12. Qe2+ Be7 13. Bxc6 bxc6 14. Qe5 0-0 15. g5 Re8 16. Kd1 Bd6 17. Qxd6 Bg4+ 18. Rxg4 Qxd6 19. gxh6 g6 20. Bf4 Qd7 21. f3 c5 22. h7+ Kxh7 23. Ne2 Qe6 24. Rg2 Qh3 0-1

[Event "BL2-Sued 1920"]
[Site "Germany"]
[Date "2019.12.07"]
[Round "5.6"]
[White "Schmaltz, Roland"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2461"]
[BlackElo "2191"]
[PlyCount "94"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]
[WhiteTeam "Baden-Baden II"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be3 b6 8. Be2 Bb7 9. f3 Nbd7 10. 0-0 Be7 11. Qd2 Qc7 12. Rac1 Rc8 13. Rfd1 0-0 14. a3 Qb8 15. b4 Bd8 16. Nb3 Bc7 17. Bf4 Ne8 18. Kh1 Ndf6 19. c5 dxc5 20. Bxc7 Rxc7 21. bxc5 bxc5 22. Qe3 Qc8 23. Na4 Nd7 24. Naxc5 Nxc5 25. Nxc5 Nf6 26. Nxa6 Bxa6 27. Rxc7 Qxc7 28. Bxa6 Qa5 29. Bf1 Ra8 30. Ra1 h5 31. Qd4 Rd8 32. Qb4 Qe5 33. Rb1 h4 34. a4 Qf4 35. Qb6 Rc8 36. a5 h3 37. a6 Nd7 38. Qf2 hxg2+ 39. Bxg2 Ne5 40. Qe2 g5 41. h3 Kg7 42. Qb2 Kg6 43. Qa3 Qg3 44. Qb3 g4 45. hxg4 Qf2 46. f4 Rh8+ 47. Bh3 Nf3 0-1

[Event "BL2-Sued 1920"]
[Site "Germany"]
[Date "2019.10.20"]
[Round "2.7"]
[White "Sergin, Mark"]
[Black "Gibicar, Danijel"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2191"]
[BlackElo "2242"]
[PlyCount "85"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Eppingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nc6 7. exd5 exd5 8. 0-0 Nge7 9. a3 0-0 10. Ng5 g6 11. Nb3 Bd6 12. f4 Nf5 13. Kh1 h6 14. Nf3 Re8 15. Re1 Rxe1+ 16. Qxe1 Bd7 17. Qf2 Qc7 18. Nh4 Nce7 19. Bd2 Re8 20. Rf1 Qd8 21. g4 Nxh4 22. Qxh4 h5 23. f5 Nc6 24. Bg5 f6 25. Bxf6 Be7 26. Bxe7 Qxe7 27. f6 Qf7 28. Bxg6 Qxg6 29. f7+ Qxf7 30. Rxf7 Kxf7 31. Qxh5+ Ke7 32. Nc5 Kd6 33. Nxd7 Kxd7 34. Qxd5+ Kc7 35. g5 Re1+ 36. Kg2 Re2+ 37. Kg3 Re5 38. Qf7+ Re7 39. Qf4+ Kb6 40. g6 Re6 41. Qf7 Re3+ 42. Kf2 Re7 43. Qf6 1-0

[Event "BL2-Sued 1920"]
[Site "Germany"]
[Date "2019.10.19"]
[Round "1.7"]
[White "Fichter, Fabian"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2251"]
[BlackElo "2191"]
[PlyCount "99"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. h3 Bh5 8. Bg2 Nc6 9. 0-0 0-0-0 10. Bf4 Qb4 11. g4 Bg6 12. a3 Qc4 13. Ne5 Nxe5 14. Bxe5 e6 15. Qe1 Nd5 16. Nxd5 exd5 17. b3 Qb5 18. c4 Qxb3 19. c5 Rd7 20. a4 h5 21. g5 Be7 22. h4 f6 23. Bh2 Bf5 24. Qc1 fxg5 25. hxg5 g6 26. Ra3 Qb4 27. Be5 Re8 28. f4 c6 29. Qe3 Bd8 30. Rb3 Qa5 31. Ra1 Bc7 32. Ra2 Bxe5 33. fxe5 Qd8 34. Rab2 Rf7 35. Rb6 h4 36. Bf1 Be4 37. Bxa6 Ree7 38. Rxc6+ Kb8 39. Rf6 Qc8 40. Qf4 Ka7 41. Bf1 Rxf6 42. gxf6 g5 43. Qxg5 Rh7 44. Rf2 Qe8 45. Kh2 h3 46. Bb5 Qf7 47. Qg4 Qc7 48. Be8 Qa5 49. f7 Rh8 50. c6 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "11.8"]
[White "Sergin, Mark"]
[Black "Pichl, Michael"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2163"]
[BlackElo "2051"]
[PlyCount "105"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. h3 Nf6 6. Nf3 0-0 7. Be2 b5 8. e5 dxe5 9. Bxb5 e4 10. Ne5 Bb7 11. Nc6 Qc7 12. Nxb8 Raxb8 13. Bc4 Rfd8 14. Qe2 Nxd5 15. Nb5 Qe5 16. 0-0 Nb6 17. Nxa7 Nxc4 18. Qxc4 Bd5 19. Qxc5 Qe6 20. Rd1 Be5 21. Be3 f5 22. c4 Ba8 23. Bd4 Bd6 24. Qa5 Bb4 25. Qe5 Qxe5 26. Bxe5 Bd6 27. Bxd6 exd6 28. Nb5 d5 29. b3 Kf7 30. Rd2 dxc4 31. Nd6+ Ke6 32. Nxc4 Rxd2 33. Nxd2 Rd8 34. Nc4 Rd5 35. Kf1 Bb7 36. Ke1 Ba6 37. Rc1 f4 38. Nb2 Rd6 39. Rc5 Bb7 40. Rc7 Rd7 41. Rxd7 Kxd7 42. g3 g5 43. b4 Bd5 44. a4 Bb3 45. gxf4 gxf4 46. Kd2 Be6 47. h4 Kd6 48. Kc3 Bg4 49. Kd4 Bf5 50. Nc4+ Ke6 51. b5 e3 52. fxe3 f3 53. e4 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.12.16"]
[Round "5.7"]
[White "Mazurek, Robert"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2169"]
[BlackElo "2163"]
[PlyCount "107"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Be2 Re8 10. e5 dxe5 11. fxe5 Ng4 12. e6 fxe6 13. d6 a6 14. Bg5 Bf6 15. Ne4 Bxg5 16. Nfxg5 Ne3 17. Qb3 Nxg2+ 18. Kd1 Nf4 19. Rf1 Rf8 20. Bg4 Nc6 21. Qe3 Ng2 22. Rxf8+ Qxf8 23. Qh3 Qf1+ 24. Kd2 Qf4+ 25. Ke2 Nd4+ 26. Kd3 Qxg5 27. Nxg5 Nf4+ 28. Kc4 Nxh3 29. Bxh3 Bd7 30. Ne4 Bc6 31. Nxc5 e5 32. Re1 Nf3 33. Be6+ Kg7 34. Rd1 Kf6 35. Bd5 b5+ 36. Kc3 Bxd5 37. Rxd5 Nd4 38. d7 Rd8 39. Nb7 Ke6 40. Nxd8+ Kxd5 41. Nf7 Ne6 42. d8Q+ Nxd8 43. Nxd8 Ke4 44. Ne6 Kf5 45. Nc5 Kg4 46. Nxa6 Kh3 47. Nc7 Kxh2 48. Nxb5 g5 49. Kd3 g4 50. Nc3 e4+ 51. Nxe4 h5 52. b4 h4 53. b5 g3 54. Nxg3 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.12.15"]
[Round "4.7"]
[White "Sergin, Mark"]
[Black "Hahn, Werner"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2163"]
[BlackElo "2165"]
[PlyCount "45"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Griesheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 Nbd7 8. Bg5 Nc5 9. Qe2 Be7 10. f4 h6 11. Bxf6 Bxf6 12. 0-0-0 Qc7 13. f5 Nxb3+ 14. axb3 0-0 15. g4 b5 16. h4 Re8 17. g5 hxg5 18. hxg5 Bxg5+ 19. Kb1 b4 20. Qh5 Bh6 21. Rdg1 Kf8 22. f6 Qc5 23. Qxh6 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.11.11"]
[Round "3.7"]
[White "Sergin, Mark"]
[Black "Buerckner, Georg"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2163"]
[BlackElo "2048"]
[PlyCount "87"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Sangerhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 Be7 5. d3 Nf6 6. Bb3 0-0 7. h3 d5 8. Nbd2 Be6 9. Bc2 dxe4 10. dxe4 Bc5 11. Qe2 Nd7 12. Nb3 Bb6 13. Ng5 Qf6 14. Nxe6 Qxe6 15. 0-0 Ne7 16. Nd2 a6 17. Bb3 Qf6 18. Nc4 Ba7 19. Ne3 Bxe3 20. Bxe3 Ng6 21. Qg4 Rad8 22. Bg5 Qc6 23. Bxd8 Rxd8 24. Rad1 Nf4 25. Bd5 Qf6 26. Bxb7 Nc5 27. Rxd8+ Qxd8 28. Rd1 Qb8 29. Qc8+ Qxc8 30. Bxc8 Kf8 31. g3 Ng6 32. b4 Nxe4 33. Rd3 Nd6 34. Bxa6 e4 35. Rd5 Ke7 36. Be2 Kd7 37. a4 Ne7 38. Rh5 h6 39. Rc5 c6 40. b5 Kc7 41. a5 Kb7 42. bxc6+ Nxc6 43. Ba6+ Kc7 44. Bb5 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.11.10"]
[Round "2.7"]
[White "Hillmann, Ralf"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1977"]
[BlackElo "2163"]
[PlyCount "110"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Naumburg"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. 0-0 d5 6. b3 Ne4 7. Bb2 Be7 8. Ne5 cxd4 9. exd4 Nxe5 10. dxe5 Nc5 11. Be2 Bd7 12. Nd2 Bc6 13. Nf3 Qb6 14. Bd4 0-0 15. c3 Qc7 16. Qc2 Rfc8 17. Nd2 b5 18. f4 g6 19. Bf3 Bb7 20. Rae1 a5 21. g4 Nd7 22. Qd3 Bc5 23. Rc1 Qb6 24. Be2 b4 25. Nf3 bxc3 26. Qxc3 a4 27. b4 Bxd4+ 28. Qxd4 a3 29. Kf2 Ra4 30. Rxc8+ Bxc8 31. Qxb6 Nxb6 32. Rb1 Ba6 33. Nd2 Bxe2 34. Kxe2 d4 35. Ne4 Kf8 36. Nf6 Nc4 37. Rb3 Nb2 38. Nd7+ Ke7 39. Nc5 Ra8 40. b5 Rb8 41. Rb4 Rc8 42. b6 d3+ 43. Nxd3 Rc2+ 44. Ke3 Rc3 45. b7 Nxd3 46. b8Q Nxb4+ 47. Ke2 Nxa2 48. Qb1 Rb3 49. Qg1 Nc3+ 50. Kd2 a2 51. Qc5+ Kd7 52. Qd4+ Ke8 53. Qc4 Ne4+ 54. Ke2 Rb2+ 55. Ke3 a1Q 0-1

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.10.21"]
[Round "1.6"]
[White "Sergin, Mark"]
[Black "Del Rio, Roland"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2163"]
[BlackElo "2216"]
[PlyCount "69"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 d6 5. d3 Nf6 6. Nge2 Nxe2 7. Qxe2 a6 8. a4 e5 9. a5 Be7 10. f4 exf4 11. Bxf4 0-0 12. h3 Be6 13. Bxe6 fxe6 14. 0-0 Nd7 15. Qg4 Rf6 16. Ne2 Rg6 17. Qf3 Bf6 18. Bxd6 Ne5 19. Bxe5 Bxe5 20. Qf7+ Kh8 21. c3 Rb8 22. Rf3 Rf6 23. Rxf6 Qxf6 24. Rf1 Qxf7 25. Rxf7 Kg8 26. Re7 Bf6 27. Rxe6 Kf7 28. Rd6 Bd8 29. Rd7+ Kg8 30. Nf4 Bxa5 31. Nh5 g6 32. Nf6+ Kf8 33. Rxh7 Rd8 34. Nd5 b5 35. b4 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.04.14"]
[Round "10.4"]
[White "Staller, Peter"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2267"]
[BlackElo "2192"]
[PlyCount "24"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt Koenig Nied"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e3 b6 5. d4 cxd4 6. exd4 Bb7 7. Bg5 Be7 8. Bd3 d6 9. 0-0 Nbd7 10. Qe2 0-0 11. Bxf6 Nxf6 12. Ng5 Qd7 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.02.04"]
[Round "7.3"]
[White "Sergin, Mark"]
[Black "Alber, Horst"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2192"]
[BlackElo "2296"]
[PlyCount "70"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Be3 Nf6 6. Nf3 0-0 7. Qd2 e5 8. fxe5 dxe5 9. d5 Nd4 10. Bg5 h6 11. Bxf6 Nxf3+ 12. gxf3 Bxf6 13. Rg1 Bh4+ 14. Kd1 Kh7 15. Ne2 c6 16. c4 b5 17. Nc3 Qb6 18. Rh1 Bg5 19. Qg2 bxc4 20. Kc2 Rb8 21. Rb1 cxd5 22. Nxd5 Qa6 23. Nc3 Bd7 24. b3 cxb3+ 25. axb3 Qa5 26. Bc4 Rfc8 27. Qe2 Be6 28. Rb2 Rxb3 29. Kxb3 Rb8+ 30. Kc2 Rxb2+ 31. Kxb2 Qb4+ 32. Kc2 Bxc4 33. Rb1 Qxc3+ 34. Kxc3 Bxe2 35. Rb7 Kg7 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.02.03"]
[Round "6.4"]
[White "Sergin, Mark"]
[Black "Haubt, Georg"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2192"]
[BlackElo "2183"]
[PlyCount "140"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 d5 6. Qe2 Be7 7. Nxe4 dxe4 8. Qxe4 0-0 9. Bc4 Bd6 10. 0-0 Re8 11. Qd5 Be6 12. Qb5 Nc6 13. Bxe6 Rxe6 14. d4 Rg6 15. c3 Qd7 16. Qh5 Re8 17. Re1 Rxe1+ 18. Nxe1 Ne7 19. h3 Nd5 20. Nd3 Qe6 21. Ne5 f6 22. Nf3 f5 23. Bg5 h6 24. Bd2 Qf7 25. Kh1 Re6 26. Qxf7+ Kxf7 27. Re1 Nf6 28. Kg1 Ne4 29. Bc1 c6 30. Kf1 Bc7 31. Nd2 Nd6 32. Rxe6 Kxe6 33. Nb3 Bb6 34. Ke2 Kd5 35. Nd2 c5 36. dxc5 Bxc5 37. f3 g5 38. Kd3 f4 39. Ne4 Nxe4 40. fxe4+ Ke5 41. b4 Bd6 42. a4 h5 43. Bd2 g4 44. hxg4 hxg4 45. c4 Ke6 46. c5 Be5 47. b5 Kd7 48. Be1 Ke6 49. Bf2 a6 50. Kc4 axb5+ 51. axb5 Bb8 52. Bd4 f3 53. gxf3 gxf3 54. Kd3 Bf4 55. Bf2 Ke5 56. Be3 Bh2 57. Bd4+ Ke6 58. Kd2 Kd7 59. Bf2 Bf4+ 60. Kd3 Ke6 61. Kd4 Bg5 62. Bg3 Be7 63. Bf2 Bg5 64. Bg3 Be7 65. c6 bxc6 66. bxc6 Bg5 67. c7 Kd7 68. Kd3 Kc8 69. Kd4 f2 70. Bxf2 Kxc7 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.01.21"]
[Round "5.3"]
[White "Sergin, Mark"]
[Black "Peterson, Emery"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2192"]
[BlackElo "2165"]
[PlyCount "80"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Gernsheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 f5 8. exf6 Nxf6 9. 0-0 Bd6 10. Re1 0-0 11. Nf1 Qc7 12. Bg5 Bd7 13. Bh4 Rae8 14. Bb5 Ne4 15. N1d2 Nxd2 16. Qxd2 cxd4 17. Bg3 dxc3 18. bxc3 Bxg3 19. hxg3 Na5 20. Bxd7 Qxd7 21. Re2 Nc4 22. Qd4 b6 23. Rae1 Rf6 24. Qg4 Rg6 25. Qh3 Rh6 26. Qg4 Rg6 27. Qh3 Rh6 28. Nh4 Qf7 29. f4 Nd6 30. Qg4 Ne4 31. c4 Qf6 32. cxd5 exd5 33. Qd7 Rd8 34. Qxa7 Rf8 35. Qd7 Qd4+ 36. Re3 Nxg3 37. Qg4 Rxh4 38. Qxg3 Rhxf4 39. Qg5 Re4 40. Kh2 Rxe3 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.12.10"]
[Round "4.2"]
[White "Grafl, Florian"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2364"]
[BlackElo "2192"]
[PlyCount "51"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. Nc3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Ndb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qg3 Nf6 9. Qxg7 Rg8 10. Qh6 Rg6 11. Qd2 d5 12. e3 b5 13. f3 e5 14. a4 b4 15. Ne2 b3 16. c3 Na5 17. Ng3 h5 18. e4 dxe4 19. fxe4 h4 20. Nf5 Bxf5 21. exf5 Rg4 22. Be2 Rd8 23. Qh6 Rxg2 24. Bg5 Qc5 25. Qh8+ Kd7 26. 0-0-0+ 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.12"]
[Round "3.4"]
[White "Sergin, Mark"]
[Black "Michalowski, Peter"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2192"]
[BlackElo "2064"]
[PlyCount "45"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 b5 8. Bg5 Be7 9. Qf3 Qb6 10. 0-0-0 0-0 11. h4 Nbd7 12. h5 h6 13. Be3 Qc7 14. Qg3 Ne5 15. Bxh6 Neg4 16. Bd2 b4 17. Na4 Ne5 18. f3 d5 19. Bf4 Bd6 20. Kb1 dxe4 21. h6 g6 22. h7+ Kh8 23. Nc6 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.11"]
[Round "2.4"]
[White "George, Tom"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2205"]
[BlackElo "2192"]
[PlyCount "109"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Stadtilm Blau Weiss"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. h3 Bh5 8. Bg2 Nc6 9. Bf4 Qe6+ 10. Be3 0-0-0 11. g4 Bg6 12. Ng5 Qc4 13. Bf1 Qb4 14. a3 Qd6 15. Bd3 Nd5 16. Nce4 Qd7 17. c4 Nxe3 18. fxe3 Nxd4 19. exd4 Qxd4 20. Ke2 h5 21. Qc2 e6 22. Nf3 Qd7 23. Ne5 Qd4 24. Nxg6 fxg6 25. Qc3 Bc5 26. Qxd4 Bxd4 27. Ng5 Rd7 28. Rab1 Bf6 29. Ne4 Rhd8 30. Rhd1 hxg4 31. hxg4 Rh8 32. Rh1 Rxh1 33. Rxh1 Bxb2 34. Rh8+ Rd8 35. Rxd8+ Kxd8 36. a4 Bd4 37. Kf3 Ke7 38. Nd2 Kd6 39. Nb3 Bc3 40. Ke4 Bf6 41. c5+ Kd7 42. Nd4 e5 43. c6+ bxc6 44. Nb3 Kd6 45. Bxa6 Bh4 46. Bc4 Bf2 47. Bf7 g5 48. Bg6 Bg1 49. Kd3 Bf2 50. Be4 Bb6 51. Kc4 Kd7 52. Nc5+ Kd6 53. Nd3 Bd4 54. Nb4 c5 55. Nc6 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.10.22"]
[Round "1.3"]
[White "Sergin, Mark"]
[Black "Heinatz, Thomas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2192"]
[BlackElo "2276"]
[PlyCount "66"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. d3 b5 7. Bb3 Nxb3 8. axb3 Bb7 9. 0-0 Nf6 10. f4 d6 11. Qe1 Be7 12. Qg3 h5 13. e5 h4 14. Qh3 dxe5 15. fxe5 Nd7 16. Be3 Nxe5 17. d4 cxd4 18. Bxd4 Qc7 19. Nf4 Bf6 20. Rad1 0-0-0 21. Nce2 Rd7 22. Bc3 Rxd1 23. Rxd1 Rd8 24. Rf1 Qc6 25. Kh1 g5 26. Nd4 Qe4 27. Nfxe6 fxe6 28. Qxe6+ Kb8 29. Nf3 Ng4 30. Qb6 Qc6 31. Qxc6 Bxc6 32. Bxf6 Nxf6 33. Nxg5 Rd2 0-1

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.17"]
[Round "6"]
[White "Sanati, Charlotte"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1979"]
[BlackElo "2215"]
[PlyCount "89"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nge2 Bg7 8. Ng3 0-0 9. Be2 a6 10. a4 h5 11. 0-0 Re8 12. f3 h4 13. Nh1 Nh5 14. Be3 f5 15. Qd2 Bf6 16. f4 Ng7 17. Nf2 Bxc3 18. bxc3 fxe4 19. Rab1 Nf5 20. Ng4 Re7 21. c4 Nd7 22. Qc3 Rf7 23. Bc1 Qf8 24. Bb2 Nd4 25. Qe3 Nf6 26. Nxf6+ Rxf6 27. Bxd4 cxd4 28. Qxd4 Rf7 29. Rb3 Rxf4 30. Rxf4 Qxf4 31. Rf3 Qg5 32. Qf6 Qc1+ 33. Rf1 Qe3+ 34. Kh1 Bf5 35. Rxf5 gxf5 36. Qg6+ Kh8 37. Qf6+ Kg8 38. Qg6+ Kh8 39. Qf6+ Kh7 40. Qf7+ Kh6 41. Qf6+ Kh7 42. Qf7+ Kh8 43. Qf6+ Kg8 44. Qg6+ Kf8 45. Qxd6+ 1/2-1/2

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.17"]
[Round "5"]
[White "Sergin, Mark"]
[Black "Bordin, Igor"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2215"]
[BlackElo "2057"]
[PlyCount "96"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. h3 d5 8. Bd3 Nc6 9. a3 a6 10. 0-0 0-0 11. Bg5 Be6 12. Re1 h6 13. Bh4 Re8 14. b4 b5 15. Nb1 g5 16. Bg3 Ne4 17. Ne5 Nxd4 18. Bh2 Bf6 19. c3 Nf5 20. Qc2 Ned6 21. Nd2 Qc8 22. Nb3 Nh4 23. Nd4 Nc4 24. Bh7+ Kg7 25. Nxc4 bxc4 26. Nxe6+ Rxe6 27. Red1 Qh8 28. Bf5 Nxf5 29. Qxf5 c6 30. Rac1 Rae8 31. f4 Qh7 32. Qg4 h5 33. Qg3 Re3 34. Qf2 Qe4 35. fxg5 Bxg5 36. Rf1 f6 37. Rc2 h4 38. Bf4 Qxf4 39. Qxf4 Bxf4 40. Rxf4 R8e4 41. Rxe4 dxe4 42. Kf2 Rd3 43. Re2 f5 44. Rc2 Kf6 45. a4 Kg5 46. Ke2 Kf4 47. Kf2 e3+ 48. Ke1 Rd2 0-1

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.16"]
[Round "4"]
[White "Olesiak, Marcin"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2016"]
[BlackElo "2215"]
[PlyCount "83"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 a6 10. a4 Re8 11. h3 Nbd7 12. Nd2 Nh5 13. Kh2 f5 14. e4 Ndf6 15. exf5 gxf5 16. Bf3 Nf4 17. gxf4 Ng4+ 18. hxg4 fxg4 19. Bg2 Qh4+ 20. Kg1 Bd4 21. Nce4 Bf5 22. Ra3 Bxe4 23. Nxe4 Rxe4 24. Bxe4 g3 25. Rxg3+ Qxg3+ 26. Bg2 Qg6 27. Re1 Kh8 28. Qf3 Qc2 29. Qe2 Qxa4 30. f5 Be5 31. Kf1 Rg8 32. Qe4 Qb5+ 33. Kg1 Qb3 34. Bf4 Bxf4 35. Qxf4 Qxd5 36. Qe4 Qa2 37. f6 Qxb2 38. Qxb7 Qc2 39. f7 Rxg2+ 40. Kxg2 Qg6+ 41. Kf1 Qd3+ 42. Re2 1-0

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.15"]
[Round "2"]
[White "Lenz, Jonas"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2055"]
[BlackElo "2215"]
[PlyCount "120"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Bf4 Qc7 12. Nd2 Nh5 13. Be3 Ne5 14. Nde4 h6 15. Qc1 Kh7 16. f4 Ng4 17. Bd2 f5 18. Nf2 Nxf2 19. Rxf2 Re8 20. e4 Bd4 21. Be3 Qg7 22. Bf3 Nf6 23. e5 dxe5 24. fxe5 Rxe5 25. Bxd4 cxd4 26. Ne2 Ne4 27. Bxe4 Rxe4 28. Nf4 Qe5 29. Qc5 g5 30. Nd3 Qe8 31. b3 f4 32. Qc7+ Kh8 33. Qd6 Kh7 34. Qc7+ Re7 35. Re1 Bd7 36. Rxe7+ Qxe7 37. Qe5 Qxe5 38. Nxe5 Bh3 39. gxf4 Rc8 40. Rf3 Rc1+ 41. Kf2 Rc2+ 42. Kg3 g4 43. Rd3 Rg2+ 44. Kh4 Rxh2 45. Nxg4 Bf1+ 46. Nxh2 Bxd3 47. Nf3 Kg7 48. Nxd4 Kf7 49. Kg4 Ke7 50. Nf5+ Kd7 51. Ne3 Bg6 52. f5 Bf7 53. f6 Kd6 54. Kf5 h5 55. b4 h4 56. Ke4 h3 57. Nf5+ Kd7 58. Ng3 Kd6 59. Nf5+ Kd7 60. Ng3 Kd6 1/2-1/2

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.15"]
[Round "3"]
[White "Sergin, Mark"]
[Black "Hess, Steffen"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2215"]
[BlackElo "2046"]
[PlyCount "41"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 dxe4 5. Nxe4 Nf6 6. Bd3 Bd7 7. Ne5 Nc6 8. Nxd7 Qxd7 9. c3 0-0-0 10. Ng5 Rhf8 11. Qa4 e5 12. Bc4 exd4 13. 0-0 Bc5 14. b4 Bb6 15. Qb3 Nd5 16. Bxd5 Qxd5 17. c4 Qf5 18. c5 Bxc5 19. bxc5 Qxc5 20. Nxf7 Rde8 21. Ba3 1-0

[Event "Rhein Main op-A 20th"]
[Site "Bad Homburg"]
[Date "2017.06.14"]
[Round "1"]
[White "Sergin, Mark"]
[Black "Goebel, Andreas"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2215"]
[BlackElo "1975"]
[PlyCount "41"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 Nf6 6. f4 Bg4 7. Qd2 h5 8. f5 h4 9. h3 Bh5 10. Qf2 c4 11. Qxh4 cxd3 12. g4 dxc2 13. gxh5 Rxh5 14. Qf4 g6 15. fxg6 Bh6 16. gxf7+ Kxf7 17. Qf2 Qd3 18. Bxh6 Rxh6 19. Qf3 Qd4 20. Rc1 Rg8 21. Nge2 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.05.07"]
[Round "11.7"]
[White "Sergin, Mark"]
[Black "Syed, Tareq"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2256"]
[BlackElo "2010"]
[PlyCount "54"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 a6 8. a4 b6 9. h3 Bb7 10. Ba2 h6 11. Qe2 Kh7 12. dxe5 dxe5 13. Nd5 Bd6 14. Nc3 Qe7 15. Nh2 Nc5 16. Ng4 c6 17. Ne3 g6 18. Nc4 Bc7 19. Qe3 Ng8 20. b4 Nd7 21. Rb1 b5 22. Na5 Rab8 23. axb5 axb5 24. Bd2 Bb6 25. Qf3 Bc8 26. Be3 Bc7 27. Nb3 Bd6 1/2-1/2

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.05.06"]
[Round "10.6"]
[White "Sergin, Mark"]
[Black "Schaffer, Hendrik"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2256"]
[BlackElo "2267"]
[PlyCount "79"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Nf6 6. 0-0 a6 7. d3 b5 8. Bb3 Nxb3 9. axb3 Bb7 10. f4 d5 11. e5 d4 12. exf6 dxc3 13. f5 e5 14. Nxc3 Qxf6 15. Qe2 Qe7 16. f6 gxf6 17. Qg4 h5 18. Qf5 Rg8 19. Ne4 h4 20. Rf2 Bg7 21. Be3 Rc8 22. Qh7 Kf8 23. Qxh4 Rh8 24. Qg4 Rc6 25. Ng3 Bc8 26. Qf3 Qc7 27. Raf1 Bh6 28. Bxh6+ Rxh6 29. Qe3 Rg6 30. h4 Kg7 31. Nh5+ Kf8 32. Nxf6 Qe7 33. Nh7+ Kg8 34. Rxf7 Qxh4 35. Qf3 Qd4+ 36. Rf2 Bg4 37. Rf8+ Kxh7 38. Qf7+ Rg7 39. Qe8 Rgg6 40. Rh8+ 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.04.23"]
[Round "9.8"]
[White "Sergin, Mark"]
[Black "Oparaugo, Thomas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2256"]
[BlackElo "2088"]
[PlyCount "61"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 h6 7. h3 Qe7 8. Nbd2 Be6 9. Ba4 Bd7 10. Nf1 g6 11. g4 0-0-0 12. Ne3 Bxe3 13. Bxe3 d5 14. Qc2 dxe4 15. dxe4 Be8 16. Nd2 a6 17. b4 Nb8 18. Bb3 Bc6 19. f3 g5 20. 0-0-0 Ne8 21. Nc4 Ng7 22. Qh2 f6 23. Bc5 Rxd1+ 24. Rxd1 Qe8 25. h4 h5 26. hxg5 hxg4 27. Qg3 Rh3 28. Qxg4+ Bd7 29. Qg2 fxg5 30. Rxd7 Qxd7 31. Nxe5 1-0

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.23"]
[Round "7"]
[White "De Mie, Mariska"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2213"]
[BlackElo "2250"]
[PlyCount "83"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 a6 7. Be3 Nf6 8. 0-0 Bb4 9. Nxc6 bxc6 10. Na4 Be7 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bc1 f5 15. c4 Nb6 16. b3 0-0 17. Bd3 Bc5 18. Bc2 Qc7 19. Re1 Rf7 20. a3 a5 21. Rb1 Nc8 22. Bb2 Ne7 23. Qd2 Ng6 24. Bc3 Bb6 25. b4 axb4 26. Bxb4 c5 27. Bc3 Ra8 28. a4 Ba5 29. Rb5 Bxc3 30. Qxc3 Rff8 31. Qe3 Rfc8 32. f4 Ne7 33. h3 Ra5 34. Qd2 Nc6 35. Rd1 Rd8 36. Qd6 Qa7 37. Rdb1 Rxb5 38. cxb5 Nd4 39. b6 Qb7 40. Qc7 Qb8 41. Qxb8 Rxb8 42. a5 1-0

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.23"]
[Round "6"]
[White "Sergin, Mark"]
[Black "Tiba, Vladyslav"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2250"]
[BlackElo "2268"]
[PlyCount "61"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nf3 Bg7 6. Nxd4 cxd4 7. Qf3 Nh6 8. Ne2 0-0 9. h3 e6 10. g4 f5 11. exf5 gxf5 12. Qg2 d5 13. Bb3 f4 14. Ng1 d3 15. Qf3 a5 16. c3 a4 17. Bd1 e5 18. Qxd3 e4 19. Qb5 Be6 20. Bxa4 Qh4 21. Bd1 f3 22. Qb6 Ra6 23. Qxb7 Rd6 24. Qb5 Nxg4 25. Qf1 Ne5 26. Bc2 Bc8 27. b4 Re8 28. Bb2 Ba6 29. b5 Nd3+ 30. Bxd3 exd3+ 31. Kd1 0-1

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.22"]
[Round "5"]
[White "Schmidt, Andre"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2132"]
[BlackElo "2250"]
[PlyCount "62"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. Bd2 Bc5 10. 0-0 Rb8 11. b3 h6 12. Qf3 d6 13. h3 g5 14. g4 Rg8 15. Be3 Bb4 16. Na4 h5 17. c5 hxg4 18. hxg4 Nxg4 19. Bc4 Qe7 20. cxd6 Bxd6 21. Rad1 Rg6 22. Rxd6 Rxd6 23. Bc5 Qf6 24. Bxf7+ Kxf7 25. Qh1 Rd8 26. f3 Nh6 27. Nb2 Ba6 28. Rc1 Rd2 29. Qh5+ Kg7 30. Be3 Rxb2 31. Bxg5 Qg6 0-1

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.22"]
[Round "4"]
[White "Sergin, Mark"]
[Black "Held, Carsten"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2250"]
[BlackElo "2018"]
[PlyCount "85"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. Nf3 g6 5. Bb5+ Bd7 6. Bc4 e6 7. d3 Bc6 8. Qe2 Be7 9. a4 Na6 10. 0-0 Nc7 11. f5 Qd7 12. e5 gxf5 13. exf6 Bxf6 14. Nb5 Nd5 15. Na3 0-0-0 16. Bb5 Rdg8 17. Bxc6 Qxc6 18. c4 Ne7 19. Rb1 a5 20. Nb5 Kb8 21. d4 Rg4 22. dxc5 Qxc5+ 23. Be3 Qxc4 24. Ba7+ Ka8 25. Qf2 Nd5 26. b3 Qf4 27. Nd2 Qh6 28. Nc4 Bd8 29. Bb8 b6 30. Bxd6 Rhg8 31. g3 f4 32. Qg2 Rxg3 33. hxg3 Rxg3 34. Qxg3 fxg3 35. Bxg3 Qg6 36. Kh2 Qh5+ 37. Kg2 Qe2+ 38. Kg1 Qg4 39. Kh2 Qh5+ 40. Kg1 Qg4 41. Kh2 Qh5+ 42. Kg2 Qe2+ 43. Rf2 1/2-1/2

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.21"]
[Round "3"]
[White "Esser, Thomas"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2006"]
[BlackElo "2250"]
[PlyCount "71"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Nd2 Ne8 12. Nce4 f5 13. Nc3 Rb8 14. a5 b5 15. axb6 Nxb6 16. e4 Nc7 17. Re1 Kh8 18. exf5 Bxf5 19. Nde4 Nc4 20. Qe2 Ne5 21. Bf4 Re8 22. Bg5 Qd7 23. Nf6 Bxf6 24. Bxf6+ Kg8 25. Bxe5 Rxe5 26. Qd2 Rxe1+ 27. Rxe1 Nb5 28. Qg5 Re8 29. Rxe8+ Qxe8 30. Qe3 Qd7 31. Bf1 Kf7 32. Qh6 Ke8 33. Qd2 Kf7 34. Qh6 Ke8 35. Qd2 Kf7 36. Qe3 1/2-1/2

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.21"]
[Round "2"]
[White "Sergin, Mark"]
[Black "Poghosyan, Tigran"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2250"]
[BlackElo "2068"]
[PlyCount "77"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Bb3 d5 7. Nbd2 Bg4 8. h3 Bh5 9. Qe2 Re8 10. Nf1 b5 11. Bg5 d4 12. Ng3 Bg6 13. Nh4 a5 14. a4 b4 15. cxb4 Bxb4+ 16. Kf1 Be7 17. Ngf5 Rb8 18. Bc4 Na7 19. Nxe7+ Qxe7 20. g4 Nc8 21. Nf5 Bxf5 22. gxf5 h6 23. Bh4 Nd6 24. b3 Nxc4 25. bxc4 Rb4 26. Rg1 Reb8 27. Kg2 Qd6 28. Kh2 Kh7 29. Qf3 Rb3 30. c5 Qxc5 31. Rxg7+ Kxg7 32. Rg1+ Kf8 33. Bxf6 R8b6 34. Bg7+ Ke8 35. Qg3 f6 36. Bxf6 Rxf6 37. Qg8+ Ke7 38. Qxb3 Qc3 39. Rg7+ 1-0

[Event "Korbach op 8th"]
[Site "Korbach"]
[Date "2016.10.20"]
[Round "1"]
[White "Mueller, Mark"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1890"]
[BlackElo "2250"]
[PlyCount "74"]
[EventDate "2016.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 a6 6. Nge2 b5 7. Bb3 Bb7 8. Bf4 Qb6 9. f3 e6 10. Qd2 c5 11. dxc5 Bxc5 12. 0-0-0 0-0 13. Ng3 e5 14. Bg5 h6 15. Bxh6 gxh6 16. Nf5 Nfd7 17. Nd5 Bxd5 18. Bxd5 Ra7 19. Nxh6+ Kh8 20. Rhe1 Qg6 21. g4 Be7 22. h4 Rc7 23. Be4 Qf6 24. Nf5 Bd8 25. Qe3 Nc5 26. Rd6 Ne6 27. g5 Qg6 28. Ng3 Qg8 29. Bd5 Nd7 30. Bc6 Qh7 31. c3 Ndc5 32. Qxe5+ f6 33. Qd5 Rxc6 34. Qxc6 Nf4 35. Qxc5 Be7 36. Qf5 Bxd6 37. Qxf6+ Rxf6 0-1

[Event "Riga Tech op 6th"]
[Site "Riga"]
[Date "2016.08.08"]
[Round "1"]
[White "Hovhannisyan, Robert"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2634"]
[BlackElo "2256"]
[PlyCount "131"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. 0-0 Bd7 9. Re1 Be7 10. Nxc6 Bxc6 11. Qd4 Kf8 12. a4 h5 13. h3 Rd8 14. a5 Bf6 15. Qd3 Ne7 16. Be3 Qb8 17. Rad1 Be8 18. Bf4 Nc8 19. Qc4 Be7 20. Be3 Na7 21. Bb6 Rd7 22. f4 Qc8 23. Qb3 Nc6 24. Kh1 Bd8 25. Qa3 Be7 26. Qa2 Rh6 27. f5 Ne5 28. Be3 g5 29. h4 Qd8 30. Rf1 Kg8 31. Bh3 Ng4 32. Bxg4 hxg4 33. Kg2 d5 34. exd5 exd5 35. Nxd5 Rxd5 36. Rxd5 Bc6 37. c4 Rd6 38. Kg1 Bxd5 39. cxd5 Rxd5 40. Qc4 Rd1 41. Qxg4 Rxf1+ 42. Kxf1 Qd3+ 43. Kf2 Qc2+ 44. Kg1 Qb1+ 45. Kg2 Qxb2+ 46. Kh3 Qa1 47. Qf3 gxh4 48. gxh4 Qb2 49. Qg4+ Qg7 50. Qe4 Bd6 51. Qf3 Qe5 52. Bb6 Qh2+ 53. Kg4 Qe5 54. Bd8 Bc7 55. Bxc7 Qxc7 56. Qd5 Qe7 57. Qd4 Qe2+ 58. Kg5 Qg2+ 59. Kh6 Qc6+ 60. f6 Qc1+ 61. Kh5 Kh8 62. Qg4 Qc5+ 63. Qg5 Qb5 64. Kh6 Qxg5+ 65. hxg5 Kg8 66. g6 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.02.20"]
[Round "9.5"]
[White "Kayser, Felix"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2136"]
[BlackElo "2267"]
[PlyCount "50"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Be2 b5 8. d3 d6 9. h3 e6 10. Nb1 Bb7 11. c3 Nxe2+ 12. Qxe2 Ne7 13. Be3 Qc7 14. Nbd2 f5 15. Ng5 Qd7 16. Bf2 h6 17. Ngf3 0-0 18. Bg3 a5 19. Rae1 fxe4 20. Nxe4 Nf5 21. Bf2 Rae8 22. Ned2 Bc8 23. Ne4 Bb7 24. Ned2 Bc8 25. Ne4 Bb7 1/2-1/2

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "7.5"]
[White "Sergin, Mark"]
[Black "Riedel, Finn"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2267"]
[BlackElo "2102"]
[PlyCount "95"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Weimar"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 0-0 7. Bg5 Qe7 8. Nbd2 Bg4 9. h3 Be6 10. Bc2 a5 11. Nf1 h6 12. Bh4 g5 13. Nxg5 hxg5 14. Bxg5 Bxf2+ 15. Ke2 Rfe8 16. Qc1 Kh7 17. Kxf2 Rg8 18. Ke1 Rg6 19. g4 Rag8 20. Be3 Rh8 21. Ng3 Kg8 22. Kd2 d5 23. Bb3 dxe4 24. dxe4 Qd7+ 25. Kc2 Ne8 26. Qf1 a4 27. Bxe6 Qxe6 28. Qb5 Qd7 29. Qe2 Nd6 30. Bc5 Nd8 31. Bxd6 cxd6 32. Raf1 Ne6 33. Nh5 Qc6 34. Kb1 a3 35. Nf6+ Kg7 36. Nd5 Re8 37. Rf2 axb2 38. Rhf1 Nf4 39. Nxf4 exf4 40. Rxf4 Qxc3 41. Rxf7+ Kg8 42. Qf2 Rxe4 43. Rf8+ Kg7 44. Rf3 Qe5 45. Rf7+ Kg8 46. Qh4 Rh6 47. Qd8+ Qe8 48. Rf8+ 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.16"]
[Round "6.5"]
[White "Biel, Maik"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2146"]
[BlackElo "2267"]
[PlyCount "92"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Liebschwitz"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 Na6 10. Ng3 Nc7 11. h3 Nd7 12. f4 Re8 13. a4 Na6 14. Qf3 Nb4 15. Bb1 a6 16. Kh2 Rb8 17. e5 dxe5 18. f5 e4 19. Ngxe4 Ne5 20. Qg3 Bxf5 21. Bg5 f6 22. Nxf6+ Bxf6 23. Bxf6 Qxf6 24. Bxf5 Qg7 25. Be6+ Kh8 26. Rae1 Nbd3 27. Re3 c4 28. Ne4 Rf8 29. Rxf8+ Rxf8 30. Nd6 Nf4 31. Nxb7 Qxb7 32. Rxe5 Qxb2 33. Re4 Nxg2 34. Qe5+ Qxe5+ 35. Rxe5 Nh4 36. Kg3 Nf3 37. Re3 Ng5 38. Bg4 Rd8 39. Re5 Nf7 40. Re7 Nd6 41. Rc7 Ne4+ 42. Kf4 Nf6 43. Ke5 Nxd5 44. Rxc4 Ne3 45. Rc6 Re8+ 46. Be6 a5 1/2-1/2

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2015.12.13"]
[Round "5.6"]
[White "Sergin, Mark"]
[Black "Klundt, Klaus"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2267"]
[BlackElo "2304"]
[PlyCount "69"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Heusenstamm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 d6 8. 0-0 Be7 9. Kh1 a6 10. f4 Qc7 11. Qe2 b5 12. Bd2 Bb7 13. Rae1 b4 14. Nd1 e5 15. Ne3 exf4 16. Nf5 0-0 17. Rxf4 Rfe8 18. Qf2 Bf8 19. Nbd4 Nxd4 20. Qxd4 d5 21. Nh6+ Kh8 22. Rxf6 gxf6 23. Bg5 Re6 24. Bxf6+ Rxf6 25. Qxf6+ Bg7 26. Qxf7 Qxf7 27. Nxf7+ Kg8 28. Nd6 Bc6 29. e5 a5 30. b3 Bf8 31. Nf5 Be8 32. e6 Bc5 33. Re5 Rd8 34. e7 Rd7 35. Bb5 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2015.11.15"]
[Round "4.6"]
[White "Nichols, Marc"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2121"]
[BlackElo "2267"]
[PlyCount "65"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bc4 Bg4 7. h3 Bh5 8. g4 Bg6 9. Qe2 Nc6 10. Be3 Nb4 11. Bb3 e6 12. Ne5 Nbd5 13. Nxd5 Nxd5 14. Bd2 0-0-0 15. 0-0-0 Re8 16. h4 f6 17. h5 Bxc2 18. Nc4 Qc6 19. Bxc2 Bb4 20. Bxb4 Nxb4 21. Kb1 b5 22. Ne3 Qb6 23. Qf3 Rd8 24. Qa8+ Kd7 25. Qe4 c6 26. Bb3 Nd5 27. Rhe1 Nc7 28. Ng2 Kc8 29. Nf4 Rd6 30. Nxe6 Re8 31. Qf5 Kb8 32. Nxc7 Rxe1 33. Nxa6+ 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2015.10.11"]
[Round "3.6"]
[White "Sergin, Mark"]
[Black "Rudolph, Peter"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2267"]
[BlackElo "2091"]
[PlyCount "79"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 Nxe4 7. Bxe4 Nd7 8. Qe2 0-0 9. h4 Nf6 10. Bd3 b6 11. Bg5 Bb7 12. 0-0-0 Qd6 13. Ne5 a5 14. Rh3 Ne8 15. Bf4 Qd8 16. c3 Nd6 17. g4 Re8 18. Qc2 f5 19. gxf5 exf5 20. Bxf5 Nxf5 21. Qxf5 Bf6 22. Rg3 Bc8 23. Qe4 Be6 24. Rdg1 Kh8 25. Qg2 Bd5 26. f3 Rg8 27. h5 Bxa2 28. c4 Bxc4 29. Qh3 Re8 30. h6 g6 31. Rd1 Bb3 32. Rd3 Rxe5 33. Bxe5 Bxe5 34. Rxb3 Qxd4 35. Rg4 Qc5+ 36. Kb1 Rd8 37. Qf1 a4 38. Rxa4 Qc6 39. Re4 Qd5 40. Rb5 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2015.10.10"]
[Round "2.6"]
[White "Foermes, Alexander"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2018"]
[BlackElo "2267"]
[PlyCount "71"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Ne4 12. Rc1 Re8 13. Nd4 Nxd4 14. Bxd4 b6 15. Nc3 Bb7 16. Qd3 Bg5 17. e3 Qe7 18. Rfd1 Rad8 19. a4 Bf6 20. Nb5 Nc5 21. Qa3 Bxd4 22. Nxd4 a5 23. Rb1 Qf6 24. b4 axb4 25. Qxb4 Rd6 26. a5 Ba6 27. Nb5 Bxb5 28. Qxb5 Rb8 29. Rxd5 Rxd5 30. Bxd5 Qd8 31. Bg2 Ne6 32. axb6 Qd6 33. b7 h6 34. Qb6 Qd3 35. Rc1 Ng5 36. Qc7 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.04.12"]
[Round "11.4"]
[White "Sergin, Mark"]
[Black "Wahedi, Ahmad Siar"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2240"]
[BlackElo "2285"]
[PlyCount "117"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 c5 5. exd5 Qxd5 6. Bc4 Qd8 7. 0-0 Nf6 8. dxc5 Bxc5 9. Qe2 0-0 10. Nb3 Be7 11. Rd1 Qc7 12. Nbd4 Nc6 13. Bg5 a6 14. Nxc6 Qxc6 15. Rd4 h6 16. Bh4 b5 17. Bd3 Bb7 18. a4 Qc5 19. c3 Qh5 20. Ne5 Qxe2 21. Bxe2 g5 22. Bg3 Bc5 23. Rdd1 bxa4 24. Nd3 Be7 25. Rxa4 Rfd8 26. Bc7 Rd7 27. Ba5 Bc6 28. Raa1 Rb8 29. Nb4 Rxd1+ 30. Rxd1 Bxb4 31. Bxb4 Nd5 32. Ba3 a5 33. Bf3 Ba4 34. Re1 Bb3 35. g3 Rd8 36. Bd1 a4 37. Bxb3 axb3 38. Rd1 Ra8 39. Rc1 Rc8 40. c4 Kg7 41. Kf1 Kf6 42. Ke2 Nb6 43. c5 Nd5 44. Kd3 Kf5 45. Kc4 Rb8 46. Rd1 Kg4 47. Rd3 Kh3 48. Rxb3 Rxb3 49. Kxb3 Kxh2 50. c6 Kg2 51. Bd6 h5 52. c7 Nb6 53. Kb4 f5 54. Kc5 Nc8 55. b4 h4 56. gxh4 gxh4 57. b5 Kxf2 58. b6 h3 59. Bh2 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.04.11"]
[Round "10.4"]
[White "Holvason, Juri"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2146"]
[BlackElo "2240"]
[PlyCount "59"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 a6 6. g3 Bg4 7. Bg2 Nc6 8. Bf4 Qb4 9. h3 Bh5 10. g4 Bg6 11. Qd2 0-0-0 12. 0-0-0 e6 13. Rhe1 Qa5 14. Kb1 Nb4 15. Rc1 Ne4 16. Rxe4 Bxe4 17. a3 Bxc2+ 18. Rxc2 Nxc2 19. Qxc2 f6 20. Nd2 b5 21. Qe4 Qb6 22. Nb3 Kd7 23. d5 Re8 24. Be3 exd5 25. Qxd5+ Qd6 26. Nc5+ Ke7 27. Qb3 Rd8 28. Nd5+ Ke8 29. Bf4 Qxc5 30. Nxc7+ 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.02.22"]
[Round "8.4"]
[White "Sergin, Mark"]
[Black "Schlamp, Robert"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2240"]
[BlackElo "2271"]
[PlyCount "87"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. f4 c4 7. Nf3 cxd3 8. cxd3 Nf6 9. d4 0-0 10. 0-0 b5 11. e5 Nd5 12. Ne4 Qb6 13. Qe1 f6 14. Kh1 Bg4 15. Nc5 Rad8 16. Bd2 b4 17. a3 a5 18. Rc1 Qb5 19. a4 Qb6 20. Qh4 Bc8 21. Qg3 Nc7 22. h4 Ne6 23. Nb3 f5 24. h5 gxh5 25. Qh4 Bd7 26. Qxe7 Rf7 27. Qh4 Bf8 28. Be3 Qa6 29. Nbd2 Rg7 30. Nc4 Be8 31. Rfd1 Be7 32. Qf2 Rg4 33. g3 h4 34. Nxh4 Bxh4 35. gxh4 Qb7 36. Nd6 Qe7 37. Nxf5 Qf8 38. Rg1 Qxf5 39. Rxg4+ Kh8 40. Qg2 Bh5 41. Rg3 Nxf4 42. Rf1 Nxg2 43. Rxf5 Bg6 44. Bg5 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.02.21"]
[Round "9.4"]
[White "Sergin, Mark"]
[Black "Guenther, Christian1111"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2240"]
[BlackElo "2180"]
[PlyCount "127"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Sangerhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. e6 Bxe6 6. Ng5 Qc8 7. Nxe6 Qxe6+ 8. Be2 Qf6 9. 0-0 Nc6 10. Bf3 e6 11. c3 Nb6 12. a4 a5 13. Na3 d5 14. Nb5 Rc8 15. Qb3 Nc4 16. Be2 Be7 17. Bxc4 dxc4 18. Qxc4 0-0 19. g3 Rfd8 20. Re1 Rd7 21. Bf4 g5 22. Be3 Qf3 23. Qe2 Qxe2 24. Rxe2 Bf6 25. f4 g4 26. h3 h5 27. Na3 Ne7 28. hxg4 hxg4 29. Nc4 b6 30. Bf2 Kg7 31. Ne3 Rh8 32. Kg2 Nf5 33. Nxg4 Be7 34. Ne5 Rd5 35. g4 Nh6 36. Kf3 Ng8 37. Ree1 Bf8 38. Rh1 Rxh1 39. Rxh1 f6 40. Nc4 Nh6 41. Bh4 f5 42. gxf5 exf5 43. Ne3 Rd7 44. Bg5 Kg6 45. Rg1 Ng4 46. Nxg4 fxg4+ 47. Rxg4 Kf5 48. Rh4 c5 49. dxc5 Bxc5 50. Ke2 Bd6 51. Rh3 Bc5 52. Rd3 Rh7 53. Rd5+ Ke6 54. Re5+ Kd7 55. Kd3 Rh2 56. Re2 Rh1 57. Kc4 Rd1 58. Bf6 Rf1 59. Be5 Rg1 60. Kb5 Rf1 61. Rd2+ Ke6 62. Bd4 Rxf4 63. Bxc5 bxc5 64. Kxa5 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.01.18"]
[Round "7.4"]
[White "Sergin, Mark"]
[Black "Henrich, Thomas"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2240"]
[BlackElo "2254"]
[PlyCount "80"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. 0-0 g5 9. h3 h5 10. Bb5 g4 11. hxg4 hxg4 12. Nh2 cxd4 13. Bxc6 bxc6 14. cxd4 Ba6 15. Re1 Qb6 16. Qxg4 0-0-0 17. Ndf3 Bd3 18. Re3 Bf5 19. Qf4 Nf8 20. Rb3 Qc7 21. Bd2 Nd7 22. Rc1 Nb8 23. Qe3 Kd7 24. Nf1 Rh7 25. Ng5 Rg7 26. f4 Rdg8 27. Qf2 f6 28. exf6 Bxf6 29. Ng3 Bg4 30. Re1 c5 31. dxc5 Nc6 32. Be3 e5 33. fxe5 Bxg5 34. Bxg5 Rxg5 35. Qf7+ Ne7 36. e6+ Kd8 37. Rc1 Bh5 38. Nxh5 Rxg2+ 39. Kf1 Rg1+ 40. Kf2 Qh2+ 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.01.17"]
[Round "6.4"]
[White "Konrad, Lutz"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2166"]
[BlackElo "2240"]
[PlyCount "55"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Giessen"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 e5 7. Ne2 Nc6 8. 0-0 g5 9. Bb5 a6 10. Bxc6+ bxc6 11. Nd2 h5 12. Qa4 Bd7 13. Qa5 Ra7 14. Nc4 Bg7 15. dxe5 Qe6 16. Qb4 0-0 17. Nd4 Qg6 18. exd6 Qxe4 19. Qc5 Rb7 20. Qxg5 Qd5 21. Qe7 cxd6 22. Nxd6 c5 23. Nf3 Ra7 24. Rfd1 Qa8 25. Qg5 Bg4 26. Rd3 Qc6 27. Ne5 Qa4 28. b3 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.12.07"]
[Round "5.4"]
[White "Klundt, Klaus"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2313"]
[BlackElo "2240"]
[PlyCount "53"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Ne5 c5 7. Be3 e6 8. Be2 cxd4 9. Qxd4 Nbd7 10. Nxd7 Qxd4 11. Bxd4 Bxd7 12. Bf3 0-0-0 13. 0-0-0 Bd6 14. Rd3 Bc7 15. Bxf6 gxf6 16. Rhd1 b5 17. a3 f5 18. Ne2 Bb6 19. Bb7+ Kxb7 20. Rxd7+ Rxd7 21. Rxd7+ Kc6 22. Rxf7 Bxf2 23. c3 Be3+ 24. Kc2 Rd8 25. Nd4+ Bxd4 26. cxd4 Rd7 27. Rf6 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.10.19"]
[Round "3.4"]
[White "Sergin, Mark"]
[Black "Broemel, Richard"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2240"]
[BlackElo "2155"]
[PlyCount "202"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Jena Schott"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. h3 Bg7 5. Nf3 Nh6 6. Bg5 f6 7. Bf4 Nf7 8. Qe2 0-0 9. exd5 cxd5 10. 0-0-0 a6 11. g4 Nc6 12. Bg2 b5 13. Nd2 e6 14. Nb3 Qb6 15. h4 b4 16. Na4 Qb5 17. Qxb5 axb5 18. Nac5 Rxa2 19. Bg3 Nh6 20. Bf1 Nxg4 21. Bxb5 Nd8 22. Ba4 f5 23. Rd2 f4 24. Bh2 f3 25. Kb1 Rxa4 26. Nxa4 Bh6 27. Bd6 Rf7 28. Rh3 e5 29. Nb6 Be6 30. dxe5 Bxd2 31. Nxd2 Nxe5 32. Rg3 Ndc6 33. Kc1 h5 34. Rg5 Rf5 35. Rxf5 gxf5 36. Na4 Kf7 37. Nc5 Bc8 38. Kd1 Kf6 39. Na4 f4 40. Nf1 Ba6 41. Nd2 Be2+ 42. Kc1 Kf5 43. Nb6 Ng4 44. Nxd5 Ke6 45. Nxf4+ Kxd6 46. Nxh5 Ke5 47. c3 Nxf2 48. cxb4 Nxb4 49. Nxf3+ Bxf3 50. Ng7 Ne4 51. h5 Kf6 52. h6 Nd6 53. Kd2 Bg4 54. Kc3 Nc6 55. b4 Kg6 56. b5 Nxb5+ 57. Kc4 Nc7 58. Kc5 Nd8 59. Kd6 Nb5+ 60. Kc5 Kxh6 61. Kxb5 Kxg7 62. Kc5 Kf6 63. Kd5 Nf7 64. Kd4 Be6 65. Ke4 Ke7 66. Kd4 Kd6 67. Ke4 Kc5 68. Kd3 Bf5+ 69. Ke3 Kd5 70. Kf4 Ke6 71. Ke3 Ke5 72. Kf3 Nd6 73. Kg3 Ke4 74. Kh4 Kf4 75. Kh5 Nf7 76. Kh4 Be4 77. Kh5 Bd3 78. Kh4 Be2 79. Kh3 Bf3 80. Kh4 Ne5 81. Kh3 Nd3 82. Kh2 Kg4 83. Kg1 Kg3 84. Kf1 Ne5 85. Ke1 Nc4 86. Kf1 Bg4 87. Ke1 Bh5 88. Kf1 Kf3 89. Ke1 Ke3 90. Kf1 Bf3 91. Ke1 Ne5 92. Kf1 Nd3 93. Kg1 Be4 94. Kf1 Kf3 95. Kg1 Bf5 96. Kh2 Kf2 97. Kh1 Ne1 98. Kh2 Nc2 99. Kh1 Ne3 100. Kh2 Nf1+ 101. Kh1 Be4# 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.10.18"]
[Round "2.4"]
[White "Riedel, Finn"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2145"]
[BlackElo "2240"]
[PlyCount "68"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Weimar Vimaria"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Qd5 4. d3 Nc6 5. Ne2 e5 6. N2c3 Bb4 7. Bd2 Qd8 8. a3 Be7 9. Be2 f5 10. Ng3 Nf6 11. Bf3 Nd4 12. Bg5 c6 13. Bxf6 Bxf6 14. Nh5 0-0 15. Nxf6+ Rxf6 16. Qd2 b5 17. 0-0-0 a5 18. Nb1 Qd6 19. b3 Be6 20. Kb2 Ra7 21. Rde1 a4 22. b4 c5 23. Bd1 Rc7 24. Rhf1 cxb4 25. Qxb4 Qd5 26. Nc3 Qxg2 27. f4 Nxc2 28. Bxc2 Bb3 29. Rc1 Rfc6 30. Qxb5 h6 31. Rg1 Qd2 32. Rxg7+ Kxg7 33. Qxe5+ Kf8 34. Qh8+ Bg8 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.09.21"]
[Round "1.4"]
[White "Sergin, Mark"]
[Black "Urban, Lars"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2240"]
[BlackElo "2064"]
[PlyCount "101"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. dxc5 dxe4 5. Bxe4 Qxd1+ 6. Kxd1 Bxc5 7. f3 Nf6 8. Bd3 e5 9. Nc3 Be6 10. Bg5 Nbd7 11. Nge2 0-0 12. Ng3 Bb4 13. Bd2 Rfd8 14. Nge4 Bxc3 15. Nxf6+ Nxf6 16. Bxc3 Bc4 17. Bxe5 Bxd3 18. cxd3 Rxd3+ 19. Ke2 Rd5 20. Bc3 Rc5 21. Rac1 Re8+ 22. Kf2 Nd5 23. Bd2 Rb5 24. Rhe1 Rd8 25. b3 f6 26. Re4 Nb6 27. Rc2 Rbd5 28. Be3 R5d7 29. Ke2 Nc8 30. Rec4 Nd6 31. Rc7 Nb5 32. Rxd7 Rxd7 33. a4 Nd6 34. Bxa7 Nf5 35. Bb6 Kf7 36. g4 Ne7 37. Rc7 Rxc7 38. Bxc7 Ke6 39. Kd3 Kd5 40. Bg3 Nc6 41. Bf2 g6 42. f4 g5 43. Be3 gxf4 44. Bxf4 Nd4 45. b4 Ne6 46. Be3 Nd8 47. Bd4 Nc6 48. Bc3 Ne5+ 49. Bxe5 fxe5 50. h4 e4+ 51. Ke3 1-0

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.31"]
[Round "6"]
[White "Baskin, Robert"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2152"]
[BlackElo "2240"]
[PlyCount "34"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bd3 g6 7. 0-0 Bg7 8. Ne4 Nxe4 9. Bxe4 0-0 10. c3 Nd7 11. Re1 c5 12. Be3 Qc7 13. dxc5 Nxc5 14. Bc2 e5 15. Qd5 Ne6 16. Rad1 Rd8 17. Qb3 Rxd1 1/2-1/2

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.31"]
[Round "7"]
[White "Sergin, Mark"]
[Black "Koch, Markus"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2240"]
[BlackElo "2143"]
[PlyCount "33"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 g6 7. Bg2 Bd7 8. h3 Bg7 9. Be3 0-0 10. 0-0 Ne5 11. Qe2 Rc8 12. Rad1 Nc4 13. Bc1 b5 14. b3 b4 15. Ncb5 Nb6 16. Nxa7 Ra8 17. Nac6 1-0

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.30"]
[Round "4"]
[White "Kunin, Vitaly L"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2575"]
[BlackElo "2240"]
[PlyCount "89"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 Qa5 11. h3 Bd7 12. Bd2 Bc6 13. e4 Rac8 14. b3 Qc7 15. Rac1 b6 16. Rfe1 Rfe8 17. Nd5 Qb8 18. Bg5 Bxd5 19. exd5 h6 20. Bd2 Rc5 21. a4 Qc8 22. Re2 Rc7 23. Rce1 Kf8 24. Bf4 Rd8 25. Qd2 Ng8 26. h4 h5 27. Kh2 Nf6 28. Bh3 Qb7 29. a5 b5 30. c5 Rxc5 31. Rxe7 Qxd5 32. Qxd5 Rxd5 33. Rxa7 Ng4+ 34. Bxg4 hxg4 35. Ree7 Rf5 36. Red7 Ke8 37. Re7+ Kf8 38. Red7 Ke8 39. a6 Bd4 40. Re7+ Kf8 41. Rab7 Rc8 42. a7 Kg7 43. Rb8 Rc2 44. a8Q Rxf2+ 45. Qg2 1-0

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.30"]
[Round "5"]
[White "Sergin, Mark"]
[Black "Holzschuh, Gerald"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2240"]
[BlackElo "2113"]
[PlyCount "69"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. f4 e5 7. Nf3 Qc7 8. Qd2 b5 9. fxe5 dxe5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. 0-0-0 Be7 13. Bf4 Qe6 14. e5 Nh5 15. Bh6 Bd7 16. Be2 Ng3 17. Bf4 Nxe2+ 18. Nxe2 b4 19. Kb1 0-0-0 20. Nd4 Qc4 21. Qe3 Kb7 22. Nb3 Qb5 23. Bg5 Rhe8 24. Bxe7 Rxe7 25. Nc5+ Kc8 26. Rd6 Be6 27. Qd4 Bd5 28. Qh4 Rde8 29. Nd3 Kc7 30. Qd4 Qb6 31. Qf4 Kb7 32. Rd1 Bxg2 33. Nxb4 Bd5 34. Nxd5 cxd5 35. Rxb6+ 1-0

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.29"]
[Round "2"]
[White "Seehaus, Bernhard"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2016"]
[BlackElo "2240"]
[PlyCount "56"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d3 c5 2. g3 Nc6 3. Bg2 g6 4. e4 Bg7 5. Ne2 e6 6. Nbc3 Nge7 7. 0-0 0-0 8. Be3 Nd4 9. f4 d6 10. Qd2 Rb8 11. h3 b5 12. g4 f5 13. Ng3 b4 14. Nd1 a5 15. c3 Nb5 16. Rc1 Bb7 17. Nf2 Qd7 18. Kh2 Rfc8 19. gxf5 exf5 20. Rg1 d5 21. exd5 Bxd5 22. h4 Bxg2 23. Rxg2 Nd5 24. h5 bxc3 25. bxc3 Bxc3 26. Rxc3 Nbxc3 27. hxg6 hxg6 28. Nh3 Nb1 0-1

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.29"]
[Round "3"]
[White "Sergin, Mark"]
[Black "Berberich, Christoph"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2240"]
[BlackElo "2056"]
[PlyCount "77"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bb5 Nd4 5. Nxd4 cxd4 6. Ne2 Qg5 7. Bc4 Qxg2 8. Ng3 Qh3 9. f4 Bc5 10. b3 Ne7 11. Bb2 d5 12. Bb5+ Kf8 13. Qf3 dxe4 14. Qxe4 Nf5 15. 0-0-0 Nxg3 16. hxg3 Qf5 17. Qe2 Qd5 18. Rh5 Qd6 19. Rdh1 a6 20. Bd3 h6 21. Qf3 a5 22. a4 Rb8 23. g4 Bd7 24. g5 Bc6 25. Be4 Bxe4 26. Qxe4 Ba3 27. gxh6 Bxb2+ 28. Kxb2 Rxh6 29. Rxh6 gxh6 30. Rxh6 Ke7 31. f5 Qd5 32. Qh4+ Kd7 33. fxe6+ fxe6 34. Rh7+ Kc6 35. Rh5 Qd8 36. Qe4+ Kc7 37. Qxe6 Qd7 38. Rc5+ Kd8 39. Rd5 1-0

[Event "Wiesbaden op 26th"]
[Site "Wiesbaden"]
[Date "2014.08.28"]
[Round "1"]
[White "Sergin, Mark"]
[Black "Weber, Sandra"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2240"]
[BlackElo "1800"]
[PlyCount "45"]
[EventDate "2014.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. Nde2 b5 12. a3 Ne5 13. Bd4 Nc4 14. Bxc4 bxc4 15. b4 cxb3 16. cxb3 Bc6 17. Qd3 a6 18. b4 Qc7 19. Rfc1 Qb7 20. f3 Ne8 21. Bxg7 Kxg7 22. Nd4 Ra7 23. Nxc6 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "11.7"]
[White "Biel, Maik"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A60"]
[WhiteElo "2171"]
[BlackElo "2160"]
[PlyCount "70"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Liebschwitz"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. a4 g6 7. e4 Bg7 8. Bd3 0-0 9. Nge2 Re8 10. 0-0 b6 11. Ng3 Na6 12. h3 Nb4 13. Bb1 Ba6 14. Re1 Nd7 15. Nb5 Ne5 16. f4 Nc4 17. Re2 Bc8 18. Qb3 a6 19. Nc3 Qh4 20. Nd1 Bd7 21. Qxc4 Qxg3 22. Ra3 Qh4 23. Rf2 Bxa4 24. Qe2 Bb5 25. Qf3 Bd4 26. Be3 Bg7 27. Kh2 Qe7 28. g3 Rf8 29. f5 f6 30. h4 g5 31. Kh1 h6 32. Rh2 Qe5 33. Bd2 Be8 34. Bc3 Qe7 35. Ne3 h5 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.05"]
[Round "10.7"]
[White "Sergin, Mark"]
[Black "Broemel, Richard"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2160"]
[BlackElo "2172"]
[PlyCount "91"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Jena"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nf3 g6 3. d4 d5 4. exd5 cxd5 5. Ne5 Bg7 6. c3 Nf6 7. Bd3 Nbd7 8. f4 0-0 9. Nd2 Nxe5 10. fxe5 Ng4 11. Nf3 f6 12. exf6 exf6 13. 0-0 f5 14. Bg5 Bf6 15. Bd2 Bg7 16. Qb3 Qd6 17. h3 Nf6 18. Ne5 Nd7 19. Nxd7 Bxd7 20. Bf4 Qc6 21. Be2 Rac8 22. Bf3 Be6 23. Rae1 Rfd8 24. Re2 Bf7 25. Rfe1 Bf8 26. Re5 b5 27. Bg5 Rd7 28. Be7 Qc4 29. Bxf8 Qxb3 30. axb3 Kxf8 31. b4 Rc6 32. h4 Rcd6 33. Kf2 Kg7 34. h5 Rc7 35. hxg6 hxg6 36. Rh1 Be6 37. Kg3 g5 38. Be2 a6 39. Bd3 Rf7 40. Rh5 Kg6 41. Rh8 Kg7 42. Re8 Kf6 43. Kf2 f4 44. Rg8 Ra7 45. Rg6+ Kf7 46. Rexg5 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.03.16"]
[Round "9.7"]
[White "Czech, Ludwig"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2090"]
[BlackElo "2160"]
[PlyCount "30"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 b6 3. Bg2 Nc6 4. Nf3 Bb7 5. 0-0 Nf6 6. Nc3 g6 7. d4 Nxd4 8. Nxd4 Bxg2 9. Kxg2 cxd4 10. Qxd4 Bg7 11. Bg5 0-0 12. Rfd1 d6 13. Rac1 Qc8 14. b3 Qf5 15. Qf4 Qxf4 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.02.23"]
[Round "8.7"]
[White "Duchrow, Oliver"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2091"]
[BlackElo "2160"]
[PlyCount "81"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Sangerhausen"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. h3 Bh5 8. Be2 e6 9. Bf4 Qb6 10. 0-0 Bd6 11. Be3 Qa5 12. a3 c6 13. b4 Qc7 14. Kg2 Nbd7 15. Nd2 Bxe2 16. Qxe2 Nd5 17. Nce4 Be7 18. c4 Nxe3+ 19. fxe3 Nf6 20. Rf2 Nxe4 21. Nxe4 0-0 22. c5 f5 23. Nc3 Rad8 24. Qc4 Rf6 25. Raf1 Kh8 26. e4 Rg6 27. Ne2 fxe4 28. Nf4 Rg5 29. g4 Qd7 30. Nxe6 Rd5 31. Nxd8 Qxd8 32. Rf7 h6 33. Qc3 Bf6 34. Qe3 Kg8 35. R1xf6 gxf6 36. Rxb7 Rxd4 37. Qxh6 Rd2+ 38. Kg3 Rd3+ 39. Kh4 f5+ 40. g5 Rd7 41. Qe6+ 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.12.15"]
[Round "5.7"]
[White "Sergin, Mark"]
[Black "Schiffer, Steve"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2160"]
[BlackElo "2076"]
[PlyCount "67"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Moerlenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 a6 6. Be3 Nf6 7. f3 Be7 8. Qd2 Qc7 9. 0-0-0 Bd7 10. g4 Nc6 11. h4 Nxd4 12. Qxd4 b5 13. Be2 0-0 14. g5 Ne8 15. f4 Bc6 16. f5 Rc8 17. Rhg1 d5 18. exd5 Bxd5 19. Bd3 Bc5 20. Qxc5 Qxc5 21. Bxc5 Rxc5 22. Nxd5 Rxd5 23. Rgf1 Nc7 24. fxe6 Nxe6 25. Bxh7+ Kxh7 26. Rxd5 Kg6 27. Rd6 Ra8 28. h5+ Kxh5 29. Rxf7 Nxg5 30. Rxg7 Ne4 31. Re6 Nf2 32. Rf6 Ne4 33. Rf1 Kh6 34. Rg2 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.11.24"]
[Round "4.6"]
[White "Pichler, Manfred"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2093"]
[BlackElo "2160"]
[PlyCount "78"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Halle"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nge2 a6 6. Bf4 Qb6 7. Qd2 Bf5 8. Ng3 Bg6 9. Bd3 Nc6 10. d5 Bxd3 11. dxc6 Bg6 12. cxb7 Rd8 13. Qc1 Qxb7 14. 0-0 e6 15. Rd1 Rxd1+ 16. Nxd1 Nd5 17. Bd2 Bc5 18. a3 h5 19. h3 h4 20. Nf1 Qc6 21. c4 Nb6 22. Qc3 f6 23. b4 Bd6 24. Rc1 Be5 25. Qb3 0-0 26. b5 axb5 27. cxb5 Qd5 28. Qb4 Ra8 29. Bf4 Ra4 30. Nc3 Bxc3 31. Qxc3 Rxf4 32. Qxc7 Qd4 33. Ne3 Nd5 34. Qd8+ Kh7 35. Rc8 Bf7 36. Qf8 Nxe3 37. Qxf7 Qd1+ 38. Kh2 Nf1+ 39. Kg1 Ng3+ 0-1

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.11.10"]
[Round "3.8"]
[White "Sergin, Mark"]
[Black "Rueger, Erhard"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2160"]
[BlackElo "2134"]
[PlyCount "69"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Nb3 d6 9. a4 b6 10. f4 Be7 11. Qe2 0-0 12. Bd2 Bb7 13. Rae1 e5 14. Nd5 Qd8 15. Qf2 exf4 16. Nxe7+ Nxe7 17. Bxf4 Ng6 18. Bg5 Ng4 19. Bxd8 Nxf2 20. Bxb6 Nxd3 21. cxd3 Bc6 22. a5 Bb5 23. Re3 Ne5 24. Nc1 Rac8 25. Bd4 Rc2 26. Bc3 Re8 27. Rd1 Nc6 28. Rg3 Ne5 29. Na2 Ba4 30. Ra1 Bb5 31. Nb4 Re2 32. Nd5 Rb8 33. Kf1 Rxe4 34. Nf6+ Kf8 35. Nxe4 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.11.09"]
[Round "2.8"]
[White "Hoti, Safet"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2115"]
[BlackElo "2160"]
[PlyCount "40"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 g6 5. Be2 Bg7 6. 0-0 0-0 7. dxc5 Na6 8. Nc3 Nxc5 9. Rb1 a5 10. Ne1 d5 11. Qc2 e5 12. Ra1 Bf5 13. Qd1 d4 14. exd4 exd4 15. Nb5 d3 16. Bf3 Nfe4 17. g4 d2 18. gxf5 dxc1Q 19. Qxc1 Nd2 20. Bxb7 Nxb7 0-1

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.10.13"]
[Round "1.6"]
[White "Rudnizki, Sergej"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2165"]
[BlackElo "2160"]
[PlyCount "60"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. h3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nc6 9. a3 g6 10. 0-0 Rd8 11. Ne2 Bg7 12. Qb3 b5 13. Bf4 Qd7 14. a4 Nd5 15. axb5 Nxf4 16. Nxf4 axb5 17. Qxb5 Rb8 18. Qa4 Rxb2 19. c3 0-0 20. Rfe1 e6 21. Nd3 Rb6 22. Nc5 Qd5 23. c4 Qd8 24. Nb7 Qe8 25. Nc5 Nxd4 26. Nd3 Nxf3+ 27. gxf3 Bxa1 28. Rxa1 e5 29. c5 Re6 30. c6 Qe7 0-1

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.25"]
[Round "6"]
[White "Schmittdiel, Eckhard"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2427"]
[BlackElo "2190"]
[PlyCount "113"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 g6 5. e4 d6 6. Nge2 Bg7 7. 0-0 0-0 8. a3 Ne8 9. Rb1 e5 10. d3 Nd4 11. b4 b6 12. Nxd4 cxd4 13. Ne2 Rb8 14. f4 f5 15. h3 fxe4 16. dxe4 Be6 17. Kh2 Bxc4 18. Rf2 Nc7 19. Ng1 Nb5 20. Qe1 Rc8 21. Nf3 Bd3 22. Ra1 Qe8 23. fxe5 dxe5 24. Rd2 Bc4 25. a4 Nc3 26. b5 Bh6 27. Rc2 Bxc1 28. Raxc1 Bd3 29. Rxc3 dxc3 30. Rxc3 Bc4 31. Qc1 Bb3 32. Qb2 Be6 33. Nxe5 Rxc3 34. Qxc3 Rf2 35. Nc6 Bxh3 36. Kxh3 Qe6+ 37. g4 h5 38. Kg3 Ra2 39. Bf3 Rxa4 40. g5 Ra2 41. Qf6 h4+ 42. Kxh4 Rh2+ 43. Kg3 Qh3+ 44. Kf4 Qh4+ 45. Ke5 Qg3+ 46. Ke6 Qh3+ 47. Ke7 Qh7+ 48. Ke8 Qg7 49. e5 Rh8 50. Ne7+ Kh7+ 51. Kd7 Rf8 52. Be4 Rxf6 53. exf6 Qf8 54. Bxg6+ Kh8 55. Be8 Kh7 56. g6+ Kh6 57. g7 1-0

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.25"]
[Round "7"]
[White "Sergin, Mark"]
[Black "Minor, Samuel"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2190"]
[BlackElo "2220"]
[PlyCount "49"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Neg5 Nd7 7. Bc4 Qf6 8. d5 exd5 9. Bxd5 Bxd5 10. Qxd5 Bb4+ 11. c3 Bxc3+ 12. bxc3 Qxc3+ 13. Kf1 0-0-0 14. Qd4 Qc6 15. Nxf7 Ngf6 16. Nxd8 Rxd8 17. Be3 Nb6 18. Qc5 Qe4 19. h3 Rd5 20. Qf8+ Rd8 21. Qxg7 Nbd5 22. Bg5 Qd3+ 23. Kg1 Rg8 24. Qf7 Qc3 25. Rd1 1-0

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.24"]
[Round "4"]
[White "Mueller, Ralf1111"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2393"]
[BlackElo "2190"]
[PlyCount "51"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 a6 8. a4 Bg7 9. h3 0-0 10. e3 b6 11. Be2 Qe7 12. Nd2 Nbd7 13. Nc4 Ne8 14. 0-0 Rb8 15. e4 Ne5 16. Re1 f5 17. exf5 Nxc4 18. Bxc4 Qh4 19. Qg4 Qd8 20. Qg3 Rxf5 21. Ne4 Bxb2 22. Ra2 Be5 23. Bxe5 Rxe5 24. f4 Rf5 25. Rae2 Ng7 26. Qd3 1/2-1/2

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.24"]
[Round "5"]
[White "Sergin, Mark"]
[Black "Wenninger, Philipp"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2190"]
[BlackElo "2231"]
[PlyCount "117"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. d4 e6 8. 0-0 Nf6 9. f4 c5 10. c3 Qb6 11. Nxd7 Nxd7 12. f5 Be7 13. fxe6 fxe6 14. a4 Nf6 15. a5 Qa6 16. Qa4+ Kf7 17. Bf4 Rhf8 18. Na3 Kg8 19. Nb5 Nh5 20. Be5 Rxf1+ 21. Rxf1 Rf8 22. Rxf8+ Bxf8 23. Bb8 cxd4 24. Bxa7 d3 25. Be3 e5 26. Nc7 Qb7 27. Nb5 d4 28. cxd4 Qe4 29. Qc4+ Kh8 30. Qc1 exd4 31. Bd2 Qb7 32. Qf1 Nf6 33. Qxd3 h6 34. b4 Nd5 35. Qf1 Be7 36. Nxd4 Nxb4 37. Qf7 Nd3 38. Qe8+ Kh7 39. Qb5 Qe4 40. Qf5+ Qxf5 41. Nxf5 Bc5+ 42. Be3 Bxe3+ 43. Nxe3 Nc5 44. Nd5 Na6 45. Kf2 Kg6 46. Ke3 Kf5 47. Kd4 Ke6 48. Kc4 Kd6 49. Ne3 g6 50. Kb5 Nb8 51. Nc4+ Kd5 52. Nb6+ Kd6 53. Na4 Kc7 54. Nc5 Nc6 55. Ne6+ Kd6 56. a6 Na7+ 57. Kb6 Nc6 58. Nd8 Ne7 59. Kb7 1-0

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.23"]
[Round "2"]
[White "Karthaus, Carsten"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1965"]
[BlackElo "2160"]
[PlyCount "54"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 a6 6. f3 Nc6 7. Nge2 Bf5 8. Bf4 Qd7 9. Qd2 0-0-0 10. 0-0-0 Nb4 11. Bb3 e6 12. Ng3 Bg6 13. Nge4 Nfd5 14. Nc5 Qc6 15. a3 Nxc3 16. axb4 Nxd1 17. Rxd1 Qb6 18. Qc3 Bd6 19. Be3 c6 20. d5 exd5 21. Na4 Qxb4 22. Nb6+ Kb8 23. Qxg7 Bf4 24. Bxf4+ Qxf4+ 25. Kb1 Qe3 26. Nd7+ Kc8 27. Qe5 Qxb3 0-1

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.23"]
[Round "3"]
[White "Sergin, Mark"]
[Black "Kuhn, Gerhard"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2190"]
[BlackElo "2024"]
[PlyCount "83"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nf6 5. d4 e6 6. c3 Be7 7. Bd3 Nc6 8. f4 0-0 9. Nd2 Ne8 10. 0-0 f5 11. Ndf3 Nf6 12. Ng5 Qe8 13. Qe1 Nxe5 14. fxe5 Ne4 15. Nh3 Bd7 16. Bxe4 fxe4 17. Rxf8+ Qxf8 18. Qg3 Qf7 19. Bg5 Rf8 20. Be3 Bb5 21. Nf4 Kh8 22. h4 Qf5 23. Nh3 Qh5 24. Bg5 Bxg5 25. Nxg5 Qg6 26. Re1 Qf5 27. b3 a5 28. c4 Bd7 29. cxd5 exd5 30. Rc1 h6 31. Nh3 Bc6 32. Kh2 Kh7 33. Rc2 Qg6 34. Nf4 Qxg3+ 35. Kxg3 Re8 36. h5 Kg8 37. Rc5 a4 38. b4 Rd8 39. Kf2 Kf7 40. b5 Be8 41. Nxd5 Kf8 42. Nf4 1-0

[Event "Wiesbaden op 25th"]
[Site "Wiesbaden"]
[Date "2013.08.22"]
[Round "1"]
[White "Sergin, Mark"]
[Black "Zeyen, Helmut"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2160"]
[BlackElo "1808"]
[PlyCount "45"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. g3 Bg4 7. Bg2 e6 8. Bf4 Qd8 9. Qd2 Bb4 10. Ne5 Bf5 11. a3 Ne4 12. Bxe4 Bxc3 13. Qxc3 Bxe4 14. f3 Bg6 15. h4 f6 16. Nxg6 hxg6 17. 0-0-0 Qd5 18. Qd3 Kf7 19. c4 Qf5 20. Qe3 Nd7 21. Rhe1 Nb6 22. g4 Qa5 23. Qxe6+ 1-0

[Event "BL2-Nord 1213"]
[Site "Germany"]
[Date "2013.03.17"]
[Round "8.5"]
[White "Sergin, Mark"]
[Black "Schmidt Schaeffer, Sebastian"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2167"]
[BlackElo "2360"]
[PlyCount "140"]
[EventDate "2012.10.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Berlin Kreuzberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. Be3 0-0 7. Qd2 b5 8. Bd3 Nbd7 9. Bh6 e5 10. 0-0-0 b4 11. Nb1 Qa5 12. Bxg7 Kxg7 13. a3 c5 14. dxc5 dxc5 15. Qe3 Rb8 16. Nfd2 Qc7 17. Nc4 Nb6 18. g3 Be6 19. Qe2 Rfd8 20. Nxb6 bxa3 21. Nxa3 Qxb6 22. c3 Qb7 23. f4 Nh5 24. Rh2 exf4 25. g4 Ng3 26. Qf2 Qc7 27. Bc2 Rxd1+ 28. Bxd1 Nxe4 29. Qf3 Bd5 30. Bc2 Nf6 31. Qf2 f3 32. Rh1 c4 33. Rd1 Qf4+ 34. Kb1 Re8 35. Rd4 Qe5 36. Ka2 Qe2 37. Qh4 f2 38. Rf4 Qe6 39. Rxf2 h6 40. Rd2 Qe3 41. Qf2 Qxh3 42. Qc5 Be6 43. g5 hxg5 44. Qxg5 Qh6 45. Qg2 Qe3 46. Rd4 Qe5 47. Qb7 Qc5 48. Ba4 Re7 49. Qa6 Rc7 50. Bb5 Nd7 51. Bxc4 Rc6 52. Qb7 Ne5 53. Bxe6 Rxe6 54. Rd1 Nc6 55. Rd2 Rd6 56. Rh2 Qd5+ 57. Ka1 Qe5 58. Rh1 Qe4 59. Rf1 Rf6 60. Rd1 Qe2 61. Rh1 Qe6 62. Rd1 Qe2 63. Rd7 Rf1+ 64. Ka2 Qe6+ 65. c4 a5 66. Rc7 Rf6 67. Qb5 Qd6 68. Rc8 Nb4+ 69. Ka1 Qd1+ 70. Nb1 Qxb1+ 0-1

[Event "BL2-Nord 1213"]
[Site "Germany"]
[Date "2013.02.24"]
[Round "7.5"]
[White "Kluenger, Marc"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2225"]
[BlackElo "2167"]
[PlyCount "53"]
[EventDate "2012.10.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]
[WhiteTeam "Pinneberg"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. d5 Nxc3 10. Qxc3 0-0 11. Be2 Qe8 12. b4 exd5 13. Bb2 Qe7 14. Bf3 c5 15. 0-0 d6 16. Rad1 Nd7 17. Bxd5+ Bxd5 18. Rxd5 Ne5 19. Rfd1 Rad8 20. h3 f4 21. exf4 Rxf4 22. Qd2 Rf5 23. Re1 Re8 24. Re4 Ref8 25. Rxd6 Rxf2 26. Qd5+ Kh8 27. Qxe5 1-0

[Event "BL2-Nord 1213"]
[Site "Germany"]
[Date "2013.02.03"]
[Round "6.5"]
[White "Sergin, Mark"]
[Black "Meissner, Felix"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2167"]
[BlackElo "2255"]
[PlyCount "62"]
[EventDate "2012.10.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Hamburger SK II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 e5 7. Nb3 Be7 8. g4 h6 9. h4 Nh7 10. g5 hxg5 11. Be3 Be6 12. Nd5 Nd7 13. Nxe7 Qxe7 14. hxg5 Nhf8 15. Qd2 Nc5 16. Nxc5 dxc5 17. Qc3 Nd7 18. f4 exf4 19. Bxf4 Rh4 20. Qe3 c4 21. 0-0-0 Qc5 22. Bg2 c3 23. Qxc5 cxb2+ 24. Kxb2 Nxc5 25. Be5 g6 26. Bf6 Rc8 27. Rd2 Na4+ 28. Ka1 Nc5 29. Rgd1 Nd7 30. Bd4 Rh5 31. Rh1 Rxh1+ 1/2-1/2

[Event "BL2-Nord 1213"]
[Site "Germany"]
[Date "2013.01.13"]
[Round "5.7"]
[White "Spreng, Simon"]
[Black "Sergin, Mark"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2245"]
[BlackElo "2167"]
[PlyCount "175"]
[EventDate "2012.10.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Bg5 a6 10. Bxf6 Bxf6 11. Qf4 0-0 12. Rfd1 Be7 13. Ne4 Bxe4 14. Qxe4 Ra7 15. Nd4 Qc8 16. b3 Re8 17. a4 Rc7 18. Ra2 Bf6 19. Rad2 g6 20. Qb1 Bg7 21. Qa2 Rc5 22. e3 Bf8 23. h4 Be7 24. Rc2 Rc7 25. Rdc1 Bf6 26. b4 Nd7 27. b5 a5 28. Nc6 Bg7 29. Rd2 Bf8 30. Rcd1 Nc5 31. Qc2 Nd7 32. Bf3 Nc5 33. h5 e5 34. Rd5 Qe6 35. hxg6 hxg6 36. e4 Qf6 37. Kg2 Ne6 38. Bg4 Qg5 39. Bxe6 fxe6 40. R5d3 Rh7 41. Qe2 Rc8 42. Qe3 Qg4 43. Rh1 Rxh1 44. Kxh1 Rc7 45. Qf3 Qh3+ 46. Kg1 Rf7 47. Qe2 Rh7 48. Qf3 Qh2+ 49. Kf1 Rf7 50. Qg2 Qh6 51. Rd1 Qe3 52. Re1 Qd3+ 53. Kg1 Qxc4 54. Qh3 Rf6 55. Qg4 Qxa4 56. Qe2 Qb3 57. Kg2 Qc3 58. Qe3 Qxe3 59. Rxe3 Rf7 60. Rd3 Rc7 61. Kf3 Kf7 62. Rc3 Ke8 63. Kg4 d5 64. Rd3 Bg7 65. exd5 e4 66. d6 exd3 67. dxc7 Kd7 68. Kf3 Kxc7 69. Ke3 d2 70. Kxd2 Kd6 71. Kd3 Kc5 72. Nd8 Kd5 73. Nc6 Bf6 74. Nb8 Bd4 75. f3 Be5 76. Nd7 Bxg3 77. Nxb6+ Kc5 78. Nd7+ Kxb5 79. Nf8 Kb4 80. Kc2 Bf4 81. Nxe6 Be5 82. f4 Bh8 83. Kb1 Kb3 84. Nc5+ Kb4 85. Ne6 Kb3 86. Nc5+ Kc4 87. Ne6 Kb3 88. Nc5+ 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.04.15"]
[Round "11.6"]
[White "Sergin, Mark"]
[Black "Jakob, Matthias"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2167"]
[BlackElo "2109"]
[PlyCount "51"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. c3 d6 7. Nbd2 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Re1 Nc6 12. Nf1 Bg4 13. h3 Bxf3 14. Qxf3 Ne8 15. Qg4 Qc8 16. Qg3 Bf6 17. Ne3 Ne7 18. a4 g6 19. Ng4 Bg7 20. Bb3 c4 21. dxc4 bxc4 22. Ba2 f5 23. exf5 Nxf5 24. Qd3 Nc7 25. Bxc4+ Kh8 26. Ne3 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.03.18"]
[Round "9.7"]
[White "Wohlfart, Paulus"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2222"]
[BlackElo "2167"]
[PlyCount "115"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Ba6 8. Qf3 Nc6 9. e3 Qe7 10. Bd3 h6 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. b4 Bb7 14. Ne2 f5 15. Kd2 f6 16. Rhg1 Kf7 17. Nf4 Ne7 18. Rac1 Rg8 19. g3 c5 20. Rb1 cxd4 21. exd4 Rac8 22. Rge1 Nc6 23. Ne2 Rg4 24. f4 Ne7 25. Nc3 Bc6 26. Re3 Rgg8 27. Rbe1 Ng6 28. d5 Ba8 29. dxe6+ dxe6 30. Rxe6 Rgd8 31. Kc2 Rd7 32. Bxf5 Rxc4 33. Rxf6+ Kxf6 34. Bxd7 Bf3 35. Re6+ Kf7 36. Re3 Bd5 37. Be8+ Kf6 38. Bxg6 Kxg6 39. Kd2 Bf7 40. Re7 Rc6 41. Rxa7 Rd6+ 42. Ke3 Bc4 43. Ne4 Rd3+ 44. Kf2 Bd5 45. Re7 Rxa3 46. Re5 Ra2+ 47. Ke3 Bc4 48. f5+ Kg7 49. f6+ Kg6 50. h4 h5 51. Rg5+ Kh6 52. Nd6 Be6 53. f7 Ra8 54. Re5 Ba2 55. Re8 Ra3+ 56. Kf4 Bxf7 57. Nxf7+ Kg7 58. Ng5 1-0

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.03.03"]
[Round "7"]
[White "Lares, Harald"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2082"]
[BlackElo "2167"]
[PlyCount "78"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. g3 Qc7 7. Qa4 b6 8. Bg2 Bb7 9. Bf4 e5 10. Bxe5 Qxe5 11. Bxb7 Ra7 12. Nf3 Qc5 13. Bd5 b5 14. Qb3 Nxd5 15. cxd5 Be7 16. 0-0 0-0 17. Rac1 d6 18. Ne4 Qb6 19. Rc3 Qd8 20. Nd4 Rb7 21. Rfc1 Qd7 22. Nc6 f5 23. Nd2 Bf6 24. R3c2 Qe8 25. Nxb8 Rxb8 26. e3 a5 27. Rc6 a4 28. Qc2 Qe5 29. Qd3 Qxb2 30. R1c2 Qa1+ 31. Kg2 Bb2 32. Rxd6 Qxa2 33. Nf3 Qa3 34. Qxa3 Bxa3 35. Rd7 Rfd8 36. Rcc7 Rxd7 37. Rxd7 Bf8 38. Nd4 a3 39. Ra7 Bc5 0-1

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.03.03"]
[Round "9"]
[White "Schulze, Ulrich"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2331"]
[BlackElo "2167"]
[PlyCount "85"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 a6 7. b3 d6 8. d4 cxd4 9. Qxd4 Nbd7 10. Rd1 Qc7 11. e4 Be7 12. Ba3 Nc5 13. e5 dxe5 14. Qxe5 Qc8 15. Na4 Nfd7 16. Qxg7 Bf6 17. Qh6 Bxa1 18. Rxa1 Qc7 19. Nxc5 bxc5 20. Bb2 Rf8 21. Qh4 f6 22. Qh5+ Rf7 23. Re1 Ke7 24. Bh3 Nf8 25. Nh4 Qa5 26. Nf5+ Kd8 27. Rd1+ Rd7 28. Bxf6+ Kc7 29. Nd4 Kb6 30. Nxe6 Rxd1+ 31. Qxd1 Nxe6 32. Bxe6 Ka7 33. Bd5 Re8 34. Kg2 Bc8 35. Qh5 Qe1 36. Qxh7+ Kb6 37. Qh4 Bf5 38. Qf4 Be4+ 39. Bxe4 Qxe4+ 40. Qxe4 Rxe4 41. h4 Re6 42. Bg5 Ka5 43. Bd2+ 1-0

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.03.03"]
[Round "8"]
[White "Sergin, Mark"]
[Black "Fromm, Christian"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2167"]
[BlackElo "2109"]
[PlyCount "115"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 Qc7 9. b3 b6 10. d5 Bb7 11. dxc6 Bxc6 12. Bg5 h6 13. Bh4 Rfe8 14. h3 a6 15. Nh2 Qb7 16. Ng4 b5 17. Bxf6 Nxf6 18. Nxf6+ Bxf6 19. Bd5 Rac8 20. axb5 axb5 21. b4 Bxd5 22. Nxd5 Bd8 23. Qd3 Qc6 24. c3 Bg5 25. Ra7 Rf8 26. Re2 Bd8 27. Rea2 Qc4 28. Qxc4 Rxc4 29. f3 Bg5 30. Rb7 Bh4 31. Kf1 Rc6 32. Rxb5 f5 33. exf5 Rxf5 34. Ne3 Rf7 35. Rc2 e4 36. Rf5 exf3 37. Rxf7 Kxf7 38. gxf3 Ke6 39. b5 Rc8 40. c4 Bd8 41. Nd5 Rb8 42. Re2+ Kd7 43. f4 Ra8 44. Kg2 Ra4 45. Re7+ Bxe7 46. Nb6+ Kc7 47. Nxa4 Bf6 48. Kf3 g6 49. Ke4 Bh4 50. f5 gxf5+ 51. Kxf5 Bf2 52. Ke6 Bd4 53. Kd5 Bf2 54. Nc3 Bg3 55. Ne4 Bf4 56. Nf6 Kd8 57. Kc6 Be5 58. Nd7 1-0

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.03.03"]
[Round "6"]
[White "Sergin, Mark"]
[Black "Schaefer, Annabelle"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2167"]
[BlackElo "1676"]
[PlyCount "60"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be6 7. Bf4 Nd7 8. Nd4 Qf6 9. Qd2 a6 10. 0-0-0 h6 11. h4 0-0-0 12. Bg5 hxg5 13. hxg5 Qxd4 14. cxd4 Rxh1 15. d5 Bf5 16. Qf4 Bg6 17. Re1 Nc5 18. g3 Kb8 19. b4 Nd7 20. Qf3 Rh5 21. b5 Rxg5 22. bxa6 Re5 23. Rxe5 dxe5 24. d6 Nc5 25. dxc7+ Kxc7 26. axb7 Rb8 27. Bb5 e4 28. Qc3 Kxb7 29. a4 Rc8 30. Kb1 Bf5 1/2-1/2

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.03.03"]
[Round "5"]
[White "Yin, Stanley"]
[Black "Sergin, Mark"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2013"]
[BlackElo "2167"]
[PlyCount "88"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 c5 3. d3 d6 4. c3 g6 5. Nf3 Bg7 6. Na3 0-0 7. 0-0 Nc6 8. Nc2 Rb8 9. Bg5 h6 10. Bxf6 Bxf6 11. Qd2 Bg7 12. e4 b5 13. d4 Qb6 14. Ne3 cxd4 15. cxd4 Nxd4 16. Nd5 Nxf3+ 17. Bxf3 Qd8 18. Rac1 Kh7 19. Rc2 Bb7 20. Qe3 e6 21. Nc7 a6 22. Rfc1 Qf6 23. Kg2 Qd4 24. Qa3 Bxe4 25. Bxe4 Qxe4+ 26. f3 Qe5 27. Qxa6 b4 28. Re2 Qd4 29. Rcc2 d5 30. Qa4 Qb6 31. Rc6 Qb7 32. Na6 Qb5 33. Qxb5 Rxb5 34. a4 bxa3 35. bxa3 Ra5 36. Nc5 Rxa3 37. Nd7 Rfa8 38. Kh3 Rxf3 39. Rc7 d4 40. Kg4 Rf5 41. Nb6 Rd8 42. Nc4 d3 43. Rd2 h5+ 44. Kh3 Bh6 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.02.26"]
[Round "8.7"]
[White "Sergin, Mark"]
[Black "Heck, Norbert"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2167"]
[BlackElo "2262"]
[PlyCount "110"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. e5 e6 8. a4 b4 9. Ne4 Nb6 10. a5 Nd5 11. exd6 cxd6 12. c4 bxc3 13. Qa4+ Bd7 14. Nxd6+ Kf8 15. Qa3 cxb2 16. Bxb2 Nge7 17. Ng5 Be8 18. 0-0 Kg8 19. Rac1 Nf5 20. Nxf5 gxf5 21. Rce1 Nxf4 22. Rxf4 Qxg5 23. Ref1 Bc6 24. g3 h5 25. Qd6 Bd5 26. Bc1 Qd8 27. Qb4 Rb8 28. Qe1 Bc6 29. Be3 Qd5 30. Be4 fxe4 31. Rxf7 Rb2 32. Qc1 Re2 33. Rc7 Rxe3 34. Rc8+ Kh7 35. Rxc6 Qxd4 36. Kh1 Rf8 37. Rxf8 Bxf8 38. Rxe6 Rc3 39. Qf4 Qd1+ 40. Kg2 Qf3+ 41. Qxf3 exf3+ 42. Kh3 Bg7 43. Re4 Ra3 44. Rf4 Bh6 45. Rf6 Kg7 46. Rf5 Kg6 47. Rd5 Be3 48. g4 hxg4+ 49. Kxg4 f2 50. Rd6+ Kf7 51. Rd1 Rxa5 52. h4 Bd2 53. Rh1 Re5 54. Rf1 Be1 55. h5 Kg7 0-1

[Event "Pfalz op 03rd"]
[Site "Neustadt an der Weinstrasse"]
[Date "2012.02.20"]
[Round "3"]
[White "Klundt, Klaus"]
[Black "Sergin, Mark"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2386"]
[BlackElo "2167"]
[PlyCount "77"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. 0-0 Bd7 9. Re1 Be7 10. a4 h5 11. h3 Nf6 12. Nxc6 Bxc6 13. Bf4 Kf8 14. Qe2 Rc8 15. Rad1 e5 16. Be3 h4 17. g4 Nd7 18. Rd2 g6 19. Red1 Kg7 20. Nb5 axb5 21. axb5 Nf8 22. bxc6 Qxc6 23. c3 Ne6 24. Rd5 Ra8 25. Qd2 Ra4 26. f3 g5 27. Bf1 Ra2 28. Rb5 Rha8 29. Rb6 Qc8 30. Qd5 Nd8 31. Bc4 Ra1 32. Rxa1 Rxa1+ 33. Kg2 Qa8 34. Rxd6 Bxd6 35. Qxd6 Ra5 36. Bxg5 Ne6 37. Bxe6 fxe6 38. Qe7+ Kg6 39. Qf6+ 1-0

