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- 6.Nf3 Na6, 7.g3, E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E39 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O - Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation, SÉRIE E
82. Tata Steel GpA 2020 – Round 4.5 – Xiong, Jeffery – 1/2-1/2 – Caruana, Fabiano – G25

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- 3...e6 (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 4.6 – Aadvika Giri – 1/2-1/2 – Vitiugov, Nikita – G26

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- 4.cxd5 exd5 — Exchange, 5.Bf4 c6, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D31 - 1. d4 d5 2. c4 e6 3. Nc3 - Queen's Gambit Declined: Queen's Knight Variation, D31 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 - Queen's Gambit Declined: Charousek Variation, SÉRIE D
82. Tata Steel GpA 2020 – Round 5.5 – Firouzja, Alireza – 1-0 – Aadvika Giri – G31

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- 6...Bd6 7.Qc2 O-O — Main Line, 8.O-O dxc4 9.Bxc4 e5 — Main Line, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D46 - 5. e3 Nbd7 6. Bd3 - Semi-Slav Defense: Main Line (not 6.... dxc4), SÉRIE D
82. Tata Steel GpA 2020 – Round 5.7 – Duda, Jacob – 1/2-1/2 – Artemiev, Vladislav – G32

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