[Event "15th Unive Open"]
[Site "Hoogeveen NED"]
[Date "2011.10.17"]
[EventDate "2011.10.14"]
[Round "4"]
[Result "0-1"]
[White "Zyon Kollen"]
[Black "Ivo Maris"]
[ECO "B80"]
[WhiteElo "2112"]
[BlackElo "1998"]
[PlyCount "74"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6
7. f3 b5 8. Qd2 Bb7 9. a4 b4 10. Na2 d5 11. e5 Nfd7 12. f4 Nc5
13. Bd3 Qa5 14. Nxb4 Qxb4 15. c3 Qxb2 16. Qxb2 Nxd3+ 17. Ke2
Nxb2 18. Rhb1 Nc4 19. Rxb7 Nxe3 20. Kxe3 Bc5 21. Rc7 Nd7
22. Rb1 Bxd4+ 23. Kxd4 Ke7 24. Rbb7 Rhd8 25. f5 Rac8 26. g4
Rxc7 27. Rxc7 h6 28. h4 Rb8 29. g5 hxg5 30. hxg5 exf5 31. Kxd5
Rb6 32. c4 Re6 33. Kd4 Kd8 34. Ra7 Nxe5 35. Kd5 f4 36. g6 Nxg6
37. Rxf7 Rf6 0-1