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- 7.Be3 (not 7...c6, 7...c5, 7...O-O, 8.Be2, 8.Be3, 8.Qd2, 8.Rb1), 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
7. Sinquefield Cup 2019 – Round 3.3 – Ding, Liren – 1/2-1/2 – Vachier-Lagrave, Maxime – G15

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- 6.O-O O-O — Main Line, 7.Qc2 a6 8.a4 Bd7 9.Qxc4 Bc6, 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
7. Sinquefield Cup 2019 – Round 3.4 – So, Wesley – 1/2-1/2 – Aadvika Giri – G16

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- 6...Bd6 7.Qc2 O-O — Main Line, 8.O-O dxc4 9.Bxc4 b5 10.Be2 Bb7 11.Rd1 — 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
7. Sinquefield Cup 2019 – Round 4.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Carlsen, Magnus – G20

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- 7...O-O 8.h3 Bb7 9.d3 d6, 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, C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 - Ruy Lopez: Closed, SÉRIE C
7. Sinquefield Cup 2019 – Round 4.4 – Nakamura, Hikaru – 1/2-1/2 – Ding, Liren – G22

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