Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Marshall_Counterattack
Moves: 1. e4 c5 2. Nf3 e6 3. d4 d5 4. dxc5 Bxc5 5. exd5 exd5 6. Nc3 Be6 7. Nd4 Qf6 8.
Be3 Nc6 9. Nxe6 Qxe6 10. Nxd5 *
Position (FEN): r3k1nr/pp3ppp/2n1q3/2bN4/8/4B3/PPP2PPP/R2QKB1R b KQkq - 0 10
Black to move.
Themes: Defensive Move, Pin Opening  Castling
Puzzle rating: 1558
Best move: O-O-O