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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E35 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 - Nimzo-Indian [+0.08], E35f - 6.Bg5 h6 7.Bh4 - Classical Noa Exchange [+0.08], SÉRIE E
43. Olympiad 2018 – Round 4.9 – Duda, Jan-Krzysztof – 1/2-1/2 – Karjakin, Sergey – G291
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E32 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 - Nimzo-Indian [+0.16], E32t - 4…O-O 5.a3 Bxc3+ 6.Qxc3 b6 7.Bg5 Bb7 8.e3 d6 - Classical [-0.01], SÉRIE E
43. Olympiad 2018 – Round 5.8 – Vazquez, Guillermo – 1/2-1/2 – Harikrishna, Pentala – G352
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