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- D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D59 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5 - QGD, D59h - 9.Bxe7 Qxe7 10.Rc1 Bb7 11.Be2 - Tartakower (1937), SÉRIE D
Buenos Aires olm 1978 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Spassky, Boris V. – G29
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E30 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 - Nimzo-Indian Defense: Leningrad Variation (1953), E30m - 4…c5 5.d5 d6 6.e3 - Leningrad (1956), SÉRIE E
Buenos Aires olm 1978 – Round 1 – Cooper Guerrero, Jaime – 0-1 – Petrosian, Tigran V. – G12
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- D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D58 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 - QGD, D58j - 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2 c5 11.Rfd1 - Tartakower (1936), SÉRIE D
Buenos Aires olm 1978 – Round 1 – Gheorghiu, Florin – 1/2-1/2 – Spassky, Boris V. – G15
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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, C93 - 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 h6 - Spanish (1962), C93n - 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 - Closed, Smyslov (1961), SÉRIE C
Buenos Aires olm 1978 – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Spassky, Boris V. – G25
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E43 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 - Nimzo-Indian Defense: St. Petersburg Variation, E43a - 5.* - St. Petersburg Variation (1926), SÉRIE E
Buenos Aires olm 1978 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Hamann, Svend – G13
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