国际象棋大王
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nge7 7. Na3 cxd4 8.cxd4 Nf5
9. Nc2 Be7 10. Rb1 a6 11. O-O O-O
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