Chess puzzle (Advantage)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. g3 Bb7 3. Bg2 f5 4. d3 Nf6 5. Qe2 e5 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd2
Bc5 9. O-O-O Na6 10. f4 Bd4 11. fxe5 Bxe5 12. Ngf3 Bxb2+ 13. Kb1 Ba3 14. e5 Qe7
15. Nd4 Qb4+ 16. N4b3 Qc3 *
Position (FEN): r3k2r/pbpp2p1/np5p/4Pp2/8/bNqP2P1/P1PNQ1BP/1K1R3R w kq - 5 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1670
Best move: Nc4