Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Four_Pawns_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. Be3
e6 9. Bd3 Bxf3 10. Qxf3 Nxd4 11. Bxd4 *
Position (FEN): r2qkb1r/ppp2ppp/1n2p3/4P3/2PB4/3B1Q2/PP4PP/RN2K2R b KQkq - 0 11
Black to move.
Themes:  Opening  
Puzzle rating: 1203
Best move: Qxd4