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- 4.d4 exd4 — Main Line, 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 cxd5 9.O-O O-O 10.Bg5 c6 11.Qf3 Be7 — Main Line, C40-C49 King's knight opening, C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 - Four Knights Game, C47 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. ....Four knights, Scotch variation, SÉRIE C
64. ch-RUS 2011 – Round 5 – Galkin, Aleksander – 1/2-1/2 – Karjakin, Sergey – G15

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- 6.e4 c5 — Ragozin, 7.Bxc4 cxd4 8.Nxd4 Bxc3+ 9.bxc3 Qa5 10.Bb5+, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D39 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 - Queen's Gambit Declined: Ragozin Defense, Vienna Variation, SÉRIE D
64. ch-RUS 2011 – Round 5 – Grischuk, Alexander – 1/2-1/2 – Kramnik, Vladimir – G13

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- 7...a6 8.e5 b5, 9...Nfd7 (not 10.Be3), D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D97 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 - Grünfeld Defense: Russian Variation, SÉRIE D
64. ch-RUS 2011 – Round 7 – Morozevich, Alexander – 1-0 – Svidler, Peter – G21

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