[Event "Amsterdam OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.11"]
[EventDate "1988.07.31"]
[Round "10"]
[Result "1/2-1/2"]
[White "Viktor Korchnoi"]
[Black "John Nunn"]
[ECO "A15"]
[WhiteElo "2595"]
[BlackElo "2625"]
[PlyCount "29"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. d4 d5 6. b3 O-O
7. O-O Bf5 8. Bb2 Nbd7 9. Nbd2 Ne4 10. Nh4 Nxd2 11. Qxd2 Be6
12. cxd5 cxd5 13. Qb4 a5 14. Qxb7 a4 15. Qb5 1/2-1/2