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- 3...Nd7 4.O-O (not 4...Nf6), B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ - Sicilian Defense: Moscow Variation, SÉRIE B 1.e4 2....
Smyslov Region Group Cup 2021 – Round 10.4 – Kobalia, Mikhail – 1/2-1/2 – Sarana, Alexey – G103

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- 3...c5 4.e3 e6, 5.c3 Nc6, D00-D06 1. d4 d5 Queen's pawn game, D02 - 1. d4 d5 2. Nf3 - Queen's Pawn Game: Zukertort Variation, D02 - 1. d4 d5 2. Nf3 Nf6 - Queen's Pawn Game: Symmetrical Variation, D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 - Queen's Pawn Game: London System, SÉRIE D
Smyslov Region Group Cup 2021 – Round 10.8 – Karjakin, Sergey – 0-1 – Alekseenko, Kirill – G107

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- 5...Ne4 6.Bf4, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D91 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 - Grünfeld Defense: Three Knights Variation, Petrosian System, SÉRIE D
Smyslov Region Group Cup 2021 – Round 10.9 – Predke, Alexandr – 1-0 – Ponkratov, Pavel – G108

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