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- 5.d4 Nd6, 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+, C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish opening), C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted, SÉRIE C
83. Tata Steel Masters 2021 – Round 5.3 – Anton Guijarro, David – 1/2-1/2 – Aditya Tari – G34

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- (not 11.fxe6), 10.f5 Nc6 — Main Line, B20 - B99 - 1. e4 c5 - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation, B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted, B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
83. Tata Steel Masters 2021 – Round 5.6 – Grandelius, Nils – 1-0 – Vachier-Lagrave, Maxime – G37

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- 6.e4 Nxc3 — Main Line, 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O b6 13.Rad1 — Main Line, 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
83. Tata Steel Masters 2021 – Round 5.7 – Wojtaszek, Radoslaw – 1/2-1/2 – Duda, Jacob – G38

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- 7.Qb3 (not 7...Qb6, 7...dxc4), D70-D79 1. d4 Nf6 2. c4 g6 3. f3 d5 Neo-Gruenfeld defence, D78 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 - Neo-Grünfeld Defense: Classical Variation, Original Defense, SÉRIE D
83. Tata Steel Masters 2021 – Round 6.2 – Vachier-Lagrave, Maxime – 1/2-1/2 – Aditya Tari – G40

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- 6.d3 b5, 7.Bb3, 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, C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 - Ruy Lopez: Closed, SÉRIE C
83. Tata Steel Masters 2021 – Round 6.3 – Van Foreest, Jorden – 1-0 – Anton Guijarro, David – G41

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- 5.cxd5 exd5 — Ragozin, 6.Bg5 h6 7.Bh4, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 - Queen's Gambit Declined: Ragozin Defense, SÉRIE D
83. Tata Steel Masters 2021 – Round 6.5 – Harikrishna, Pentala – 1/2-1/2 – Wojtaszek, Radoslaw – G43

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- 6.Qc2 Bd6, 7.b3 O-O 8.Be2 b6, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D45 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 - Semi-Slav Defense: Main Line, D45 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 - Semi-Slav Defense: Accelerated Meran Variation, SÉRIE D
83. Tata Steel Masters 2021 – Round 6.6 – Esipenko, Andrey – 1/2-1/2 – Aadvika Giri – G44

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