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- C70-C79 Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 ....., C76 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation, SÉRIE C
World Rapid 2021 – Round 1.33 – Firouzja, Alireza – 1/2-1/2 – Costachi, Mihnea – G26

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- A60-A79 1. d4 Nf6 2. c4 c6 3. d5 e6 Modern Benoni Defense, A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 - Benoni Defense, A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense, SÉRIE A
World Rapid 2021 – Round 1.35 – Gelfand, Boris – 1-0 – Carlsson, Pontus – G28

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- 7...c5 8.Be3 Qa5 — Exchange, 9.Qd2 Nc6 10.Rc1, 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 Rapid 2021 – Round 1.46 – Peng, Li Min – 1/2-1/2 – Howell, David W L – G36

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