[Event "Erfurt op 28th"]
[Site "Erfurt"]
[Date "2018.12.26"]
[Round "1"]
[White "Woelk, Tom Frederic"]
[Black "Sack, Matthias"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2283"]
[BlackElo "2045"]
[PlyCount "40"]
[EventDate "2018.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nxd4 6. Qxd4 Nf6 7. e5 Ng8 8. Nc3 Bg7 9. Bf4 Nh6 10. Be2 Nf5 11. Qd2 h5 12. 0-0-0 Qa5 13. Bf3 0-0 14. Qe2 d6 15. Rd5 Qa6 16. Rhd1 dxe5 17. Bxe5 Bxe5 18. Rxe5 Be6 19. Rb5 Nd6 20. Rg5 Qxc4 1/2-1/2

[Event "Erfurt MT op 27th"]
[Site "Erfurt"]
[Date "2017.12.26"]
[Round "1"]
[White "Sack, Matthias"]
[Black "Wichmann, Cliff"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2064"]
[BlackElo "2314"]
[PlyCount "84"]
[EventDate "2017.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. c5 Be7 7. h3 0-0 8. Bd3 b6 9. cxb6 axb6 10. 0-0 Bb7 11. Nc3 Re8 12. Re1 Nbd7 13. Ne5 c6 14. Bf4 Nf8 15. Ng4 Ng6 16. Be5 Nxg4 17. Qxg4 Nxe5 18. dxe5 Bc8 19. Qf3 Bb4 20. a3 Bxc3 21. bxc3 Qg5 22. Qe3 Qxe3 23. Rxe3 Bd7 24. f4 f6 25. Bc2 fxe5 26. fxe5 Be6 27. g4 Rf8 28. Kg2 Ra5 29. Rf3 Rxf3 30. Kxf3 Rc5 31. Bf5 Rxc3+ 32. Kf4 Kf7 33. h4 g6 34. Bxe6+ Kxe6 35. Kg5 Kxe5 36. Re1+ Kd6 37. Kh6 Rh3 38. h5 gxh5 39. g5 Rg3 40. Kxh5 Rxa3 41. Rh1 d4 42. Kh6 Ra8 0-1

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.17"]
[Round "9"]
[White "Fischer, Gerd"]
[Black "Sack, Matthias"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2149"]
[PlyCount "26"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Be7 5. Nbd2 0-0 6. Bd3 b6 7. c3 c5 8. Qe2 Nbd7 9. 0-0 Bb7 10. Ne5 Re8 11. Ndf3 Nxe5 12. Nxe5 g6 13. Bb5 Nh5 1/2-1/2

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.17"]
[Round "7"]
[White "Gwosdz, Gert"]
[Black "Sack, Matthias"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "86"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Be2 0-0 8. Nb3 a5 9. Nd5 Nxd5 10. exd5 a4 11. Nd2 Nb4 12. c4 Bxb2 13. Rb1 a3 14. Bh6 Re8 15. Qb3 Na6 16. Ne4 Nc5 17. Nxc5 Qa5+ 18. Kf1 Qxc5 19. h4 d6 20. g4 Qd4 21. Rg1 Qc3 22. Qd1 Qh3+ 23. Rg2 Qh1+ 24. Rg1 Qh3+ 25. Rg2 Qh1+ 26. Rg1 Qxh4 27. Be3 Bg7 28. Bf3 Qf6 29. Rh1 e6 30. g5 Qc3 31. Qe2 e5 32. Be4 Bf5 33. Bxf5 gxf5 34. Rb3 Qxb3 35. axb3 a2 36. Kg2 a1Q 37. Rxa1 Rxa1 38. c5 f4 39. Qb5 Raa8 40. c6 fxe3 41. fxe3 Ra2+ 42. Kg3 bxc6 43. dxc6 Rc2 0-1

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.17"]
[Round "8"]
[White "Sack, Matthias"]
[Black "Dorawa, Bernhard"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2096"]
[PlyCount "90"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. Bb5 Bd7 9. exd6 Bxd6 10. 0-0 Nf6 11. Qe2 Qc7 12. Nbd2 a6 13. Bd3 Ng4 14. h3 Nge5 15. Nc4 Nxc4 16. Bxc4 Rc8 17. Bd3 Ne5 18. Nxe5 Bxe5 19. Bg5 h6 20. Bd2 Bh2+ 21. Kh1 Bf4 22. Rad1 Bc6 23. Qg4 Be5 24. Be3 h5 25. Qb4 b5 26. Be4 Bxe4 27. Qxe4 0-0 28. f4 Bf6 29. Bd4 Bxd4 30. Rxd4 Qc6 31. Qd3 g6 32. Rd1 Qc5 33. Rd6 Rc6 34. Rd7 Rc7 35. Rd4 Kg7 36. a3 Kg8 37. Re1 Qb6 38. Kh2 Rcc8 39. Rd1 Rc6 40. Qg3 Qc5 41. Qh4 Kg7 42. R1d2 Rc7 43. Re2 Qf5 44. Qf2 Rfc8 45. g3 Qc5 1/2-1/2

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.15"]
[Round "5"]
[White "Sack, Matthias"]
[Black "Baumert, Andre"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1908"]
[PlyCount "32"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Bd3 Nf6 5. Qe2 cxd4 6. cxd4 Nc6 7. d5 Nb4 8. Bb5 Nxe4 9. Qxe4 Bxd5 10. Qxb4 Bxg2 11. Qg4 Bxh1 12. f3 e6 13. Bf4 h5 14. Qg5 Qxg5 15. Bxg5 Bc5 16. Kf1 Bxg1 0-1

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.15"]
[Round "6"]
[White "Sack, Matthias"]
[Black "Grohmann, Thomas"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "35"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Be7 8. Be3 cxd4 9. cxd4 0-0 10. Nc3 Qd7 11. Ne5 Bxe2 12. Qxe2 Qd8 13. f4 Nbd7 14. f5 Nxe5 15. dxe5 Nd7 16. Rad1 a6 17. f6 Bb4 18. Qg4 1-0

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.14"]
[Round "4"]
[White "Causevic, Ismet"]
[Black "Sack, Matthias"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "1992"]
[PlyCount "91"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. e3 Be7 5. Nf3 0-0 6. Nc3 a5 7. Bd3 b6 8. 0-0 dxc4 9. Bxc4 Ba6 10. Bxa6 Nxa6 11. Qe2 c5 12. Rd1 Qc8 13. Qb5 Nc7 14. Qxb6 a4 15. dxc5 Nfd5 16. Nxd5 Nxd5 17. Qb5 Bxc5 18. Qe2 Qb7 19. Ne5 f5 20. Nd3 Bd6 21. e4 fxe4 22. Qxe4 Qf7 23. Re1 Rae8 24. Be3 Qh5 25. h3 Rf6 26. Qxa4 e5 27. Qe4 Ne7 28. b4 Rg6 29. Bc5 Bxc5 30. Nxc5 h6 31. Re3 Nf5 32. Rd3 Nd6 33. Qd5+ Kh7 34. Ne4 Nxe4 35. Qxe4 Kh8 36. b5 Rf8 37. Rc1 Rgf6 38. Rf1 Rf4 39. Qd5 Qg6 40. Rc3 Qf6 41. Rc6 Qh4 42. Qxe5 R4f5 43. Qb2 Qe4 44. Rxh6+ Kg8 45. Rg6 R8f7 46. Rg4 1-0

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.14"]
[Round "3"]
[White "Zimmer, Frank"]
[Black "Sack, Matthias"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2097"]
[PlyCount "52"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 Nf6 7. 0-0 a6 8. Qe2 Be7 9. e5 Ng4 10. h3 Nh6 11. Bxh6 gxh6 12. Rfd1 b5 13. Bb3 Bb7 14. Ne4 Rg8 15. Nd6+ Bxd6 16. Rxd6 Nxe5 17. Nxe5 Rxg2+ 18. Kf1 Qg5 19. Ng4 0-0-0 20. Qe3 Qxe3 21. fxe3 f5 22. Rc1+ Kb8 23. Nf6 Rh2 24. Rxd7 Rc8 25. Rxc8+ Bxc8 26. Rxh7 Rxh3 1/2-1/2

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.13"]
[Round "2"]
[White "Sack, Matthias"]
[Black "Langheinrich, Ferenc"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2375"]
[PlyCount "68"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nc3 Nb6 7. Nf3 d5 8. exd6 Qxd6 9. Be2 e6 10. 0-0 Be7 11. a3 0-0 12. Be3 Nd5 13. Qd2 b6 14. Ne4 Qd8 15. Rac1 Bb7 16. Bd3 f5 17. Neg5 Qd6 18. Bb1 h6 19. Nh3 g5 20. Nhxg5 hxg5 21. Bxg5 Rf7 22. Rfe1 Rg7 23. h4 Rd8 24. Ba2 Bc8 25. h5 Nxd4 26. Qxd4 Bxg5 27. Nxg5 Rxg5 28. h6 Bb7 29. g3 Rxg3+ 30. fxg3 Qxg3+ 31. Kf1 Ne3+ 32. Rxe3 Qg2+ 33. Ke1 Rxd4 34. Bxe6+ Kh8 0-1

[Event "Gotha op 8th"]
[Site "Gotha"]
[Date "2006.11.13"]
[Round "1"]
[White "Schumacher, Klaus"]
[Black "Sack, Matthias"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1930"]
[PlyCount "96"]
[EventDate "2006.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bd2 Bg7 7. Bc3 Nf6 8. Bd3 0-0 9. 0-0 d5 10. exd5 cxd5 11. b3 Bb7 12. Nd2 d4 13. Bb2 Nd5 14. Qf3 Qc7 15. Be4 e6 16. Ba3 Rfd8 17. Bxd5 Rxd5 18. Qd3 Rc8 19. Rac1 Rh5 20. Qg3 Qa5 21. Nc4 Qd5 22. f4 Ba6 23. Nd6 Rd8 24. c4 dxc3 25. Rfd1 Qa5 26. Nc4 Bxc4 27. Rxd8+ Qxd8 28. bxc4 Qd4+ 29. Kh1 Qxc4 30. f5 h6 31. fxg6 fxg6 32. Qxg6 Rf5 33. h3 c2 34. Bb2 Rf1+ 35. Rxf1 Qxf1+ 36. Kh2 Qf4+ 37. Kg1 c1Q+ 38. Bxc1 Qxc1+ 39. Kh2 Qf4+ 40. Kg1 Qc1+ 41. Kh2 Qf4+ 42. Kg1 Qf5 43. Qe8+ Kh7 44. a4 Bd4+ 45. Kh1 Qf1+ 46. Kh2 Bg1+ 47. Kg3 Qd3+ 48. Kg4 Qg6+ 0-1

