Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Bg2 Nf6 5. e3 Bc5 6. Nge2 O-O 7. O-O a6 8. f4
d6 9. a3 Be6 10. Nd5 e4 11. Nxf6+ Qxf6 12. Qb3 Na5 13. Qc2 Nxc4 14. Nc3 b5 15.
b3 Na5 16. b4 Nb3 17. bxc5 *
Position (FEN): r4rk1/2p3pp/p2pbq2/1pP2p2/4pP2/PnN1P1P1/2QP2BP/R1B2RK1 b - - 0 17
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1176
Best move: Nxa1