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- (not 8.Be3, 8.O-O), 6...e5 7.Nb3 Be7, 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....
Jerusalem FIDE Grand Prix 2019 – Round 1.4 – Topalov, Veselin – 0-1 – Vachier-Lagrave, Maxime – G27

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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
Jerusalem FIDE Grand Prix 2019 – Round 1.5 – Harikrishna, Pentala – 1/2-1/2 – Karjakin, Sergey – G32

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- 6.O-O O-O — Main Line, 7.Ne5 Nc6 8.Nxc6, 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
Jerusalem FIDE Grand Prix 2019 – Round 1.6 – Wang, Hao(ZJWZ) – 1/2-1/2 – Navara, David – G36

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