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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E38a - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 - Nimzo-Indian Defense: Classical Variation, Berlin Variation, E38d - 5.dxc5 (not 5...Nc6, 5...Qc7), SÉRIE E
8. Sinquefield Cup 2021 – Round 1.3 – Xiong, Jeffery – 1/2-1/2 – Rapport, Richard – G3

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