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. Be2
Bxf3 9. Bxf3 Nxc4 10. Bxc6+ bxc6 11. O-O e6 12. Qc2 Qd5 13. Qc3 Rb8 14. b3 Bb4
*
Position (FEN): 1r2k2r/p1p2ppp/2p1p3/3qP3/1bnP4/1PQ5/P5PP/RNB2RK1 w k - 1 15
White to move.
Themes:  Middlegame  
Puzzle rating: 1620
Best move: Qxc4