[Event "Spree op"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "4"]
[White "Berg, Gerd"]
[Black "Bierbach, Andreas"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bc5 3. d3 a6 4. g3 c6 5. Nf3 d6 6. Bg2 h6 7. 0-0 Nf6 8. a3 g5 9. b4 Bxf2+ 10. Kxf2 g4 11. Nd2 h5 12. Nde4 Bd7 13. Nxd6+ Kf8 14. Nxb7 Qb6+ 15. Nc5 a5 16. Be3 Qc7 17. Kg1 Ng8 18. N3e4 Na6 19. Ng5 Nxc5 20. Bxc5+ Kg7 21. Nxf7 h4 22. Bd6 Qa7+ 23. c5 1-0

[Event "Spree op"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "1"]
[White "Bierbach, Andreas"]
[Black "Muskewitz, Bernd"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "38"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Ng5 Nf6 5. e5 Qa5+ 6. c3 Qxe5+ 7. Be2 dxc3 8. Be3 cxb2 9. Nxf7 Kxf7 10. Bh5+ Nxh5 11. Qf3+ Nf6 12. 0-0 bxa1Q 13. Re1 Bb4 14. Kf1 Bxe1 15. Kxe1 Qxb1+ 16. Qd1 Qc3+ 17. Bd2 Qe4+ 18. Qe2 Qa1+ 19. Bc1 Qxc1# 0-1

[Event "Spree op"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "3"]
[White "Bierbach, Andreas"]
[Black "Vasic, Obrad"]
[Result "0-1"]
[ECO "C20"]
[PlyCount "102"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. e4 Nc6 3. d3 Nf6 4. b3 Be7 5. Bb2 d6 6. g3 0-0 7. Nf3 a6 8. h4 Bg4 9. Be2 h6 10. h5 Bxh5 11. Bc1 Bg6 12. Bxh6 gxh6 13. Ng5 hxg5 14. Nd2 Kg7 15. f4 gxf4 16. g4 Rh8 17. Kf2 Rxh1 18. Qxh1 Qh8 19. Qg2 Qh4+ 20. Kg1 Nd4 21. Bf3 Nxf3+ 22. Nxf3 Qg3 23. g5 Ng4 24. Qxg3 fxg3 25. Kg2 Ne3+ 26. Kxg3 Nc2 27. Rc1 Nb4 28. a4 Nxd3 29. Rh1 Rh8 30. Rg1 Nc5 31. Kf2 Nxe4+ 32. Kf1 Nc5 33. b4 Nxa4 34. c5 Be4 35. Nd2 Bd3+ 36. Ke1 dxc5 37. bxc5 Bxc5 38. Rg4 Rh1+ 39. Nf1 Rxf1+ 40. Kd2 e4 41. g6 Bd4 42. gxf7+ Kxf7 43. Rxe4 Bxe4 44. Ke2 Rf3 45. Kd1 Rf2 46. Ke1 Ke6 47. Kd1 Kd5 48. Ke1 Kc4 49. Kd1 Kc3 50. Ke1 Kd3 51. Kd1 Rf1# 0-1

[Event "Spree op"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "2"]
[White "Schlittermann, Wolfgang"]
[Black "Bierbach, Andreas"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. a3 c6 4. Bf4 Nd7 5. e3 g6 6. c4 b6 7. Nc3 Ngf6 8. Be2 Bg7 9. 0-0 dxc4 10. Bxc4 Bb7 11. Ne5 Qe7 12. Bg5 a5 13. Qf3 Nb8 14. Ne4 c5 15. Nd6+ Qxd6 16. Qxb7 h6 17. Qxf7+ Kd8 18. Bxf6+ Kc8 19. Bxe6+ Nd7 20. Bxd7+ Kb7 21. Bc6+ Kc8 22. Qb7# 1-0

[Event "Spree op"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "5"]
[White "Volber, Uwe"]
[Black "Bierbach, Andreas"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "57"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 Bxf3 5. Qxf3 e6 6. cxd5 exd5 7. a3 Bd6 8. Qxd5 Nf6 9. Qf3 0-0 10. Bc4 Na5 11. Ba2 Qe8 12. Nc3 b5 13. b4 c5 14. bxa5 cxd4 15. Nd5 Nxd5 16. Bxd5 Rb8 17. 0-0 Qe5 18. g3 dxe3 19. Bxe3 a6 20. Bf4 Qe7 21. Bxd6 Qxd6 22. Rac1 Qh6 23. Rc6 g6 24. Rxa6 b4 25. axb4 Kh8 26. Rf6 Rxb4 27. Rxf7 Rxf7 28. Qxf7 Rf4 29. Qg8# 1-0

