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- (not 7.Ne5, 7.Qc2), 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, SÉRIE E
82. Tata Steel GpA 2020 – Round 12.5 – Caruana, Fabiano – 1-0 – Duda, Jacob – G75

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- 4.d4 exd4 — Main Line, 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 cxd5 — Main Line, C40-C49 King's knight opening, C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 - Four Knights Game, C47 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. ....Four knights, Scotch variation, SÉRIE C
82. Tata Steel GpA 2020 – Round 13.1 – So, Wesley – 1/2-1/2 – Carlsen, Magnus – G78

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- 3...c5 (not 4.e3), 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
82. Tata Steel GpA 2020 – Round 13.6 – Firouzja, Alireza – 1/2-1/2 – Dubov, Daniil – G82

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 - Sicilian Defense: Najdorf Variation, B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 - Sicilian Defense: Najdorf Variation, English Attack, B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, SÉRIE B 1.e4 2....
82. Tata Steel GpA 2020 – Round 2.1 – Yu, Yangyi – 1/2-1/2 – Carlsen, Magnus – G8

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- A10-A39 English Opening, A19 - 1. c4 e6 2. Nc3 Nf6 3. e4 c5 - English Opening: Mikenas-Carls, Sicilian, A19 - 1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8 - English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit, SÉRIE A
82. Tata Steel GpA 2020 – Round 2.3 – Dubov, Daniil – 1-0 – Kovalev, Vl – G10

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