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- 11.b3 Bf6 12.Bb2 (not 12...Qe7), 9...c5 10.Rd1 d6 — Main Line, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E19 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line, SÉRIE E
USR – Wereld 1984 – Round 2.1 – Andersson, Ulf 1949 – 1/2-1/2 – Karpov, Anatoly – G5

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- D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D67 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 - Queen's Gambit Declined: Orthodox Defense, Capablanca System, SÉRIE D
USR – Wereld 1984 – Round 3.1 – Karpov, Anatoly – 1/2-1/2 – Andersson, Ulf 1949 – G8

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- 11.Nbd2 Bf8 12.a3, 9...Bb7 10.d4 Re8, C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed, C92 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 - Ruy Lopez: Closed, SÉRIE C
USR – Wereld 1984 – Round 3.8 – Hubner, R. – 1/2-1/2 – Razuvaev, Yuriy – G10

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