[Event "Christmas Congress 1973/74-49Challenger"]
[Site "Hastings"]
[Date "1973.12.??"]
[Round "?"]
[White "Guss, U."]
[Black "Blackstock, Leslie Steven F"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "50"]
[EventDate "1973.12.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. d5 Nf6 5. f3 g6 6. Bg5 Bg7 7. a4 0-0 8. Bc4 d6 9. Qd2 Nbd7 10. Ne2 Ne5 11. Na3 Nxc4 12. Nxc4 Ba6 13. b3 Qc7 14. Ng3 Rad8 15. Na3 e6 16. c4 exd5 17. exd5 Rde8+ 18. Kf2 Nxd5 19. Ne4 Bd4+ 20. Kg3 f5 21. Bh6 fxe4 22. Bxf8 e3 23. Qd1 Nc3 24. Qd3 Rxf8 25. Rae1 d5+ 0-1

