[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.03"]
[Round "4"]
[White "Chouman, Sam Joseph"]
[Black "Buttkus, Andree"]
[Result "0-1"]
[ECO "A37"]
[BlackElo "2004"]
[PlyCount "76"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. g3 Nc6 5. Bg2 e6 6. 0-0 Nge7 7. d3 d5 8. Qa4 0-0 9. Bg5 h6 10. Bf4 g5 11. Bd2 b6 12. cxd5 exd5 13. Rab1 Be6 14. a3 a5 15. Rfd1 Bd7 16. Qb3 a4 17. Qc2 g4 18. Ne1 Nd4 19. Qc1 Nb3 20. Qc2 Bc6 21. e3 d4 22. Ne2 Bxg2 23. Nxg2 Ng6 24. Nc1 Nxd2 25. Qxd2 Ne5 26. Qe2 Re8 27. e4 Qg5 28. Ne1 f5 29. f4 gxf3 30. Nxf3 Nxf3+ 31. Qxf3 fxe4 32. dxe4 Qe3+ 33. Kg2 Qxe4 34. Rd3 c4 35. Qxe4 Rxe4 36. Rd2 Re1 37. Re2 Rd1 38. Re4 b5 0-1

