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- 6.g3 Nc6 — Main Line, 7.Bg2 Be7, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense, SÉRIE D
Biel Interzonal 1993 – Round 3 – Georgiev, Kaloyan – 1/2-1/2 – Portisch, Lajos – G58

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- 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.h4 - 6...Ne7 7.h4, C00-C19 1. e4 e6 French defence, C18 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 - French Defense: Winawer Variation, Advance Variation, SÉRIE C
Biel Interzonal 1993 – Round 3 – Hellers, Ferdinand – 1/2-1/2 – Gulko, Boris – G76

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