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- 6.O-O O-O, 7.Re1 (not 7...d5), E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E17 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 - Queen's Indian Defense: Traditional Variation, SÉRIE E
FIDE World Cup 2019 – Round 1.4 – Tomashevsky, Evgeny – 1-0 – Nikolov, Nikolay Petrov – G159

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- 6...Be7 7.e3 Nbd7 — Exchange, 8.Bd3 (not 8...Nf8, 8...O-O), D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D36 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 - Queen's Gambit Declined: Exchange Variation, Reshevsky Variation, SÉRIE D
FIDE World Cup 2019 – Round 1.5 – Aravindh, Chithambaram VR. – 1/2-1/2 – Adams, Michael – G174

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- 5.e3 (not 5...b5), D10-D19 1. d4 d5 2. c4 c6 Queen's Gambit Slav defence, D15 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 - Slav Defense: Three Knights Variation, D15 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 - Slav Defense: Chebanenko Variation, SÉRIE D
FIDE World Cup 2019 – Round 1.5 – Ganguly, Surya Shekhar – 0-1 – Fedoseev, Vladimir – G173

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- 7.Qb3 dxc4, 8.Qxc4, 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
FIDE World Cup 2019 – Round 1.5 – Korobov, Anton – 1-0 – Gupta, Abhijeet – G176

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