[Event "Zuerich U20"] [Site "Zuerich"] [Date "1962.??.??"] [Round "6"] [White "Zuidema, Coen"] [Black "Bonne, Marck"] [Result "1/2-1/2"] [Annotator "Tarraco PC"] [ECO "C18"] [WhiteFideId "-1"] [BlackFideId "-1"] [PlyCount "95"] [GameId "272191728840"] [EventDate "1962.??.??"] [EventType "tourn"] [EventRounds "11"] [EventCountry "SUI"] [Source "ChessBase"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 0,94,10,22,21,20,24,25,35,32,36,26,27,45,22,13,36,49,55,45,52,49,48,-62,0,33,46,44,49,104,138,99,129,126,67,106,95,104,115,97,166,101,107,86,319,313,299,297,337,32767,358,252,320,261,342,332,358,338,330,328,336,165,216,201,216,199,208,216,180,187,153,-1,234,353,576,598,622,617,643,549,546,496,410,601,399,1,1,1,1,1,1,1,1,1,1,1,1]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Ne7 8. bxa5 dxc3 9. Qxg7 Rg8 10. Qxh7 Nbc6 11. f4 Qxa5 12. Nf3 Bd7 13. Ng5 Rf8 14. Rb1 O-O-O 15. Nxf7 Rxf7 16. Qxf7 Be8 17. Qxe6+ Bd7 18. Qf6 Bf5 19. Be2 Qa4 20. Rb3 Qd4 21. Qh4 Bxc2 22. Qh3+ Kb8 23. Rxc3 Be4 24. Qe3 Qa4 25. Bd1 Qa6 26. Be2 Qa4 27. O-O Nf5 28. Qc5 Nfd4 29. Bd1 Qa6 30. Rf2 b6 31. Rb3 Nxb3 32. Qxc6 Rc8 33. Qd6+ Ka8 34. Bb2 Qd3 35. Bxb3 Qb1+ 36. Rf1 Qxb2 37. Bxd5+ Bxd5 38. Qxd5+ Kb8 39. f5 Qxa3 40. f6 Qe3+ 41. Kh1 Rc1 {[#]} 42. Qb5 $2 (42. Qf3 $1 Qxf3 43. gxf3 Rxf1+ 44. Kg2 $18 {i els peons blancs no es poden aturar.}) 42... Qf4 43. Rg1 Qe3 44. Rf1 Qf4 45. Qe8+ Kb7 46. Qd7+ Kb8 47. Qd8+ Kb7 48. Qd5+ 1/2-1/2