[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "4"]
[White "Guenther, Andreas"]
[Black "Bonnink, J."]
[Result "1-0"]
[ECO "C78"]
[PlyCount "33"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 b5 7. Bb3 0-0 8. d4 exd4 9. cxd4 Bb4 10. a3 Ba5 11. Bg5 Re8 12. e5 h6 13. exf6 hxg5 14. Nxg5 d5 15. Qh5 Qxf6 16. Bxd5 Re7 17. Qh7+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "8"]
[White "Vleeming, Vincent"]
[Black "Bonnink, J."]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "21"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 exf4 4. d4 Bg4 5. Bxf4 Qf6 6. Qd2 Bxf3 7. gxf3 Qh4+ 8. Bg3 Qh6 9. Bf4 Qh4+ 10. Bg3 Qh6 11. Bf4 1/2-1/2

