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- 8.Nc3 Nc6, 9.e3 Re8 10.d5, D70-D79 1. d4 Nf6 2. c4 g6 3. f3 d5 Neo-Gruenfeld defence, D76 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6 - Neo-Grünfeld Defense: Delayed Exchange Variation, SÉRIE D
World Cup 1989 – Round 1 – Hjartarson, Johann – 1/2-1/2 – Kasparov, Garry – G39

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- 4.cxd5 exd5 — Exchange, 5.Bf4 c6, 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
World Cup 1989 – Round 1 – Hjartarson, Johann – 1/2-1/2 – Short, Nigel D – G3

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- 8.h5 Bh7 — Main Line, 9.Bd3 Bxd3 10.Qxd3 Qc7 11.Bd2 e6 12.O-O-O Ngf6 13.Ne4 O-O-O 14.g3 Nxe4 — Main Line, B10 - B19 1. e4 c6 Caro-Kann defence, B19 - 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 - Caro-Kann Defense: Classical Variation, SÉRIE B 1.e4 2....
World Cup 1989 – Round 1 – Huebner, Robert – 1-0 – Hjartarson, Johann – G56

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- 10...Nbd7 11.Nbd2 Bb7 — Main Line, 12.Bc2 Re8 13.a4 — Main Line, 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, C95 - 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 Nb8 10. d4 - Ruy Lopez: Closed, Breyer, SÉRIE C
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Beliavsky, Alexander G – G60

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- 6.g3 Nc6, 7.Bg2 a6 8.O-O Bd7, B20 - B99 - 1. e4 c5 - Sicilian Defense, B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 - Sicilian Defense: Scheveningen Variation, B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, SÉRIE B 1.e4 2....
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Illescas Cordoba, Miguel – G48

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- 6...e5 7.Nb3 Be7, 8...O-O - 6.Be2 e5 7.Nb3 Be7 8.O-O O-O, 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....
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Ljubojevic, Ljubomir – G46

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- 4.exd5 Qxd5 — Main Line, 5.Ngf3 cxd4 6.Bc4 Qd6 7.O-O Nf6 8.Nb3 Nc6 9.Nbxd4 Nxd4 10.Nxd4 a6 11.Re1 — Main Line, C00-C19 1. e4 e6 French defence, C07 - 1. e4 e6 2. d4 d5 3. Nd2 c5 - French Defense: Tarrasch Variation, Open System, SÉRIE C
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Nogueiras Santiago, Jesus – G71

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