Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Moscow_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. e5 a6 5. Bxd7+ Bxd7 6. O-O d5 7. d4 e6 8. Nc3
Ne7 9. Bg5 Qb6 10. Na4 *
Position (FEN): r3kb1r/1p1bnppp/pq2p3/2ppP1B1/N2P4/5N2/PPP2PPP/R2Q1RK1 b kq - 5 10
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1066
Best move: Bxa4