Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Mikenas_Variation
Moves: 1. e4 d6 2. d4 Nc6 3. Bc4 e6 4. Nf3 d5 5. exd5 exd5 6. Bb5 Qe7+ 7. Qe2 Bd7 8.
Nc3 Nf6 9. Bg5 Be6 10. Ne5 Qd6 11. O-O Be7 12. Rfe1 O-O 13. Nxc6 *
Position (FEN): r4rk1/ppp1bppp/2Nqbn2/1B1p2B1/3P4/2N5/PPP1QPPP/R3R1K1 b - - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 961
Best move: bxc6