Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 Bf5 3. Bf4 e6 4. e3 Bb4 5. Bd3 Bg6 6. Ne2 Nf6 7. a3 Ba5 8. b4
Bb6 9. h3 a6 10. Ng3 Ba7 11. Nce2 b6 12. b5 axb5 13. Bxb5+ c6 14. Ba6 *
Position (FEN): rn1qk2r/b4ppp/Bpp1pnb1/3p4/3P1B2/P3P1NP/2P1NPP1/R2QK2R b KQkq - 1 14
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 909
Best move: Nxa6