Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 b5 7. g3 Bb7 8. Bg2
Qc7 9. O-O e6 10. b4 *
Position (FEN): rn2kb1r/1bq2ppp/p2ppn2/1p6/1P1NP3/P1N3P1/2P2PBP/R1BQ1RK1 b kq - 0 10
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 847
Best move: Qxc3