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- 7...c5 8.Be3 Qa5 — Exchange, 9.Qd2, 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
51. Biel GM 2018 – Round 4.3 – Navara, David – 1/2-1/2 – Vachier-Lagrave, Maxime – G12

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- 5...b5, C70-C79 Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 ....., C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 - Ruy Lopez, C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 - Ruy Lopez: Morphy Defense, Anderssen Variation, SÉRIE C
51. Biel GM 2018 – Round 5.1 – Carlsen, Magnus – 1/2-1/2 – Mamedyarov, Shakhriyar – G13

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- A10-A39 English Opening, A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 - English Opening: King's English Variation, Four Knights Variation, Flexible Line, A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4.... - English Opening, SÉRIE A
51. Biel GM 2018 – Round 5.2 – Svidler, Peter – 1/2-1/2 – Navara, David – G14

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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
51. Biel GM 2018 – Round 6.1 – Navara, David – 1/2-1/2 – Carlsen, Magnus – G16

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- 6...e5 7.Nb3 Be7, 8.Be3 Be6, 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, B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 - Sicilian Defense: Najdorf Variation, Opocensky Variation, SÉRIE B 1.e4 2....
51. Biel GM 2018 – Round 6.2 – Georgiadis, Nico – 0-1 – Mamedyarov, Shakhriyar – G17

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- 5.e3 a6, 6.cxd5 exd5, D40 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 - Queen's Gambit Declined: Semi-Tarrasch Defense, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, SÉRIE D
51. Biel GM 2018 – Round 7.1 – Mamedyarov, Shakhriyar – 1-0 – Navara, David – G19

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- 6...a6 7.Be3 h6, 7...h6 (not 8.f4), B20 - B99 - 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B81 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 - Sicilian Defense: Scheveningen Variation, Keres Attack, B81 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
51. Biel GM 2018 – Round 7.3 – Georgiadis, Nico – 0-1 – Svidler, Peter – G21

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