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- 7.Qb3 Qb6, 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
81. Tata Steel GpA 2019 – Round 8.4 – Ding, Liren – 1/2-1/2 – Nepomniachtchi, Ian – G47

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- 6...h6 7.Bh4 (not 7...b6), D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D54 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 - Queen's Gambit Declined: Neo-Orthodox Variation, SÉRIE D
81. Tata Steel GpA 2019 – Round 8.5 – Saini Vidit – 1/2-1/2 – Aadvika Giri – G48

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- 3...Bc5 4.O-O d6 5.c3 Nf6 6.d3 - 5.d3 d6 6.O-O, 5.d3 d6, C50-C59 1. e4 e5 2. Nf3 Nc6 3. Bc4 Italian Game, C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 - Italian Game: Classical Variation, Giuoco Pianissimo, SÉRIE C
81. Tata Steel GpA 2019 – Round 8.7 – Duda, Jacob – 1-0 – Kramnik, Vladimir – G50

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- 3...a6 - Janowski Variation, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D31 - 1. d4 d5 2. c4 e6 3. Nc3 - Queen's Gambit Declined: Queen's Knight Variation, D31 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 - Queen's Gambit Declined: Charousek Variation, SÉRIE D
81. Tata Steel GpA 2019 – Round 9.1 – Shankland, Sam – 1/2-1/2 – Carlsen, Magnus – G51

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- 5.b3 (not 5...e6, 5...d6, 5...e5, 5...Nf6, 5...Be7, 6.Nge2), A10-A39 English Opening, A36 - 1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 - English Opening: Symmetrical Variation, Botvinnik System, A36 - 1. c4 c5 2. Nc3 Nc6 3. g3 - English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation, SÉRIE A
81. Tata Steel GpA 2019 – Round 9.5 – Aadvika Giri – 1/2-1/2 – Van Foreest, Jorden – G54

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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
81. Tata Steel GpA 2019 – Round 9.7 – Radjabov, Teimour – 0-1 – Fedoseev, Vladimir – G56

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