Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Chekhover_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. exf6 *
Position (FEN): r1bqkb1r/pp2pppp/2np1P2/8/3Q4/5N2/PPP2PPP/RNB1KB1R b KQkq - 0 6
Black to move.
Themes:  Opening  
Puzzle rating: 969
Best move: Nxd4