[Event "Berlin op"]
[Site "Berlin West"]
[Date "1980.12.29"]
[Round "5"]
[White "Bubolz, Klaus"]
[Black "Kauschmann, Herbert"]
[Result "0-1"]
[ECO "A31"]
[PlyCount "56"]
[EventDate "1980.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 c5 3. c4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e4 Nf6 7. Be2 0-0 8. 0-0 Nbd7 9. Be3 Nc5 10. f3 a6 11. Rc1 Nh5 12. Qd2 Re8 13. Nc2 Bd7 14. Rfd1 Na4 15. Nxa4 Bxa4 16. b3 Bc6 17. Nb4 Qc7 18. Nd5 Bxd5 19. cxd5 Qd7 20. Rc2 Rec8 21. Rdc1 Qd8 22. g3 Nf6 23. Bf1 Qd7 24. h4 h5 25. Kh2 Qd8 26. Bh3 Nd7 27. Rc4 Rxc4 28. Rxc4 Ne5 0-1

[Event "Berlin op"]
[Site "Berlin West"]
[Date "1980.12.28"]
[Round "4"]
[White "Claussen, Joerg"]
[Black "Bubolz, Klaus"]
[Result "1/2-1/2"]
[ECO "B11"]
[PlyCount "60"]
[EventDate "1980.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 dxe4 4. Nxe4 Nd7 5. b3 Ngf6 6. Bb2 Nxe4 7. Qxe4 Nf6 8. Qf4 g6 9. Bd3 Bg7 10. Qh4 Be6 11. Ne2 Qd7 12. 0-0 0-0 13. Ng3 c5 14. Rae1 Rfe8 15. f4 Bd5 16. f5 Bc6 17. fxg6 hxg6 18. Re2 Bb5 19. Bxb5 Qxb5 20. Ref2 Rf8 21. Ne4 Nxe4 22. Bxg7 Kxg7 23. Qxe4 Rae8 24. Rf3 Qb6 25. Qe3 Qd6 26. Qf2 Qd4 27. Re3 b6 28. c3 Qd6 29. Rh3 f6 30. Qe3 Rh8 1/2-1/2

