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- B20-B99 1. e4 c5 - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B96 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 - Sicilian, B96l - 7…Nbd7 8.Qf3 Qc7 9.O-O-O b5 10.Bd3 - Najdorf, SÉRIE B 1.e4 2....
Portoroz playoff 1973 – Round 1 – Geller, Efim P – 0-1 – Polugaevsky, Lev – G3
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- C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed, C95 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 - Spanish, C95e - 10…Nbd7 11.c4 c6 - Closed Breyer Arseniev, SÉRIE C
Portoroz playoff 1973 – Round 2 – Geller, Efim P – 0-1 – Portisch, Lajos – G5
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- B20-B99 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 - Sicilian Defense: Scheveningen Variation, Modern Variation, B83j - 6…Nc6 7.O-O Be7 8.Be3 O-O 9.f4 Bd7 10.Nb3 - Scheveningen Modern, SÉRIE B 1.e4 2....
Portoroz playoff 1973 – Round 3 – Geller, Efim P – 1-0 – Polugaevsky, Lev – G8
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- C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed, C95 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 - Spanish, C95j - 10…Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.a4 - Closed Breyer Main Line, SÉRIE C
Portoroz playoff 1973 – Round 4 – Geller, Efim P – 1/2-1/2 – Portisch, Lajos – G11
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 - QGD, D41n - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O - Semi-Tarrasch Main Line, SÉRIE D
Portoroz playoff 1973 – Round 4 – Portisch, Lajos – 1/2-1/2 – Polugaevsky, Lev – G9
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