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- 4...Qxd7 5.c4 - Sokolsky Variation, B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 - Sicilian Defense: Moscow Variation, Main Line, B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ - Sicilian Defense: Moscow Variation, Main Line, SÉRIE B 1.e4 2....
82. Tata Steel GpA 2020 – Round 2.5 – Xiong, Jeffery – 1-0 – Van Foreest, Jorden – G12

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- 6.e4 Nxc3 — Main Line, 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bb5, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense, SÉRIE D
82. Tata Steel GpA 2020 – Round 3.1 – Carlsen, Magnus – 1/2-1/2 – Xiong, Jeffery – G15

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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C83 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 - Ruy Lopez: Open, Classical Defense, SÉRIE C
82. Tata Steel GpA 2020 – Round 3.4 – Vitiugov, Nikita – 1/2-1/2 – So, Wesley – G17

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- (not 6.Nxd7, 6.Qe2), 4...d5 5.Nxe5 Nd7 — Main Line, 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
82. Tata Steel GpA 2020 – Round 3.7 – Caruana, Fabiano – 1-0 – Yu, Yangyi – G20

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