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- 6.O-O O-O — Main Line, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05 – 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. ..., SÉRIE E
World Blitz 2022 – Round 10.56 – Predke, Alexandr – 1-0 – Nguyen, Thai Dai Van – G546

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- 3...dxe4 4.Nxe4 Nf6 — Tartakower, 3...dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 - Tartakower (Nimzowitsch) Variation, B10 - B19 1. e4 c6 Caro-Kann defence, B15 - 1. e4 c6 2. d4 d5 3. Nc3 - Caro-Kann Defense, SÉRIE B 1.e4 2....
World Blitz 2022 – Round 10.59 – Vokhidov, Shamsiddin – 0-1 – Batsuren, Dambasuren – G549

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