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- A10-A39 English Opening, A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense, A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4.... - English Opening, SÉRIE A
World Blitz 2021 – Round 1.65 – Mitrabha, Guha – 1/2-1/2 – Durarbayli, Vasif – G51

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- 7...c5 8.Be3 Qa5 — Exchange, 9.Qd2, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5- Grünfeld Defense, SÉRIE D
World Blitz 2021 – Round 1.73 – Dudin, Gleb – 1-0 – Antipov Olano, Maxim – G57

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- 6...Nf6 7.Nc3 O-O, 8.Be2 d6, B20 - B99 - 1. e4 c5 - Sicilian Defense, B30 - B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
World Blitz 2021 – Round 1.76 – Oparin, Grigoriy – 1-0 – Szpar, Milosz – G58

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- 4...Ne4 5.Qxd4 (not 5...d5), C40-C49 King's knight opening, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 - Petrov's Defense: Modern Attack, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 - Petrov's Defense: Modern Attack, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 - Petrov's Defense: Modern Attack, Center Variation, SÉRIE C
World Blitz 2021 – Round 1.8 – Vachier-Lagrave, Maxime – 1-0 – Krasenkow, Michal – G60

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