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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D91a - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 - Grünfeld Defense: Three Knights Variation, Petrosian System, D91e - 5...Ne4 6.Bh4 (not 6...Nxc3), SÉRIE D
Thessaloniki olm 1988 – Round 3 – Small, Vernon A – 1/2-1/2 – Korchnoi, Viktor – G18

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