Fischer vs Korchnoi, 1962  (B09) Pirc, Austrian Attack, 33 moves, 0-1 Kavalek vs Suttles, 1974  (B08) Pirc, Classical, 42 moves, 0-1 Sax vs H Kestler, 1974  (B07) Pirc, 27 moves, 0-1 W Liu vs J H Donner, 1978  (B07) Pirc, 20 moves, 1-0 4 games