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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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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D97 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 - Gruenfeld [+0.26], D97f - 7…a6 8.Be2 b5 9.Qb3 - Russian Alekhine [+0.06], SÉRIE D
Hoogovens 1978 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Mecking, Henrique – G14
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