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- 5.cxd4 (not 5...d5), B20 - B99 - 1. e4 c5 - Sicilian Defense, B27 - 1. e4 c5 2. Nf3 - Sicilian Defense, B27 - 1. e4 c5 2. Nf3 g6 - Sicilian Defense: Hyperaccelerated Dragon, B27 - 1. e4 c5 2. Nf3 g6 3. d4 - Sicilian Defense: Hyperaccelerated Fianchetto, B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 - Sicilian Defense: Hyperaccelerated Pterodactyl, B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 - Modern Defense: Pterodactyl Variation, SÉRIE B 1.e4 2....
Smyslov Region Group Cup 2021 – Round 7.10 – Potkin, Vladimir – 0-1 – Ponkratov, Pavel – G66

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- A10-A39 English Opening, A20 - 1. c4 e5 - English Opening: King's English Variation, A20 - 1. c4 e5 2. g3 - English Opening, A20 - 1. c4 e5 2. g3 h5 - English Opening: Drill Variation, SÉRIE A
Smyslov Region Group Cup 2021 – Round 7.7 – Rakhmanov, Aleksandr – 1-0 – Esipenko, Andrey – G73

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- 4.e3 e5, A10-A39 English Opening, A35 - 1. c4 c5 2. Nc3 Nc6 - English Opening: Symmetrical Variation, Two Knights Variation, A35 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 - English Opening: Symmetrical Variation, Four Knights Variation, SÉRIE A
Smyslov Region Group Cup 2021 – Round 7.8 – Predke, Alexandr – 0-1 – Karjakin, Sergey – G74

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