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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D85 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 - Gruenfeld [+0.19], D85l - 4…Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Be2 O-O 9.O-O b6 - Modern Exchange [+0.75], SÉRIE D
Hoogovens 1978 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Timman, Jan H – G21
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E18 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 - Queen’s Indian [+0.27], E18u - 7…Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 [+0.08], SÉRIE E
Hoogovens 1978 – Round 1 – Mecking, Henrique – 1/2-1/2 – Portisch, Lajos – G11
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E16 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ - Queen’s Indian [+0.40], E16i - 6.Bd2 Qe7 7.O-O Bxd2 8.Qxd2 - Capablanca Nimzowitsch [+0.60], SÉRIE E
Hoogovens 1978 – Round 1 – Ree, Hans – 1/2-1/2 – Korchnoi, Viktor – G12
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