[Event "World Championship 29th"] [Site "Baguio City PHI"] [Date "1978.07.25"] [Round "4"] [White "Karpov, Anatoly"] [Black "Korchnoi, Viktor L"] [Result "1/2-1/2"] [WhiteElo "2725"] [BlackElo "2665"] [ECO "C82"] [EventDate "1978.07.??"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 O-O 11.Bc2 Bf5 12.Nb3 Bg4 13.Nxc5 Nxc5 14.Re1 Bh5 15. h3 Re8 16.Bf4 Ne6 17.Bd2 Nc5 18.Bf4 Ne6 19.Bd2 1/2-1/2