Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Franco-Sicilian_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 e6 4. dxc5 Bxc5 5. Nc3 Nf6 6. Be2 d5 7. exd5 exd5 8.
O-O O-O 9. Bd3 Bg4 10. h3 Bh5 11. Be2 d4 12. Na4 Be7 13. Nxd4 *
Position (FEN): r2q1rk1/pp2bppp/2n2n2/7b/N2N4/7P/PPP1BPP1/R1BQ1RK1 b - - 0 13
Black to move.
Themes:  Opening  
Puzzle rating: 1973
Best move: Qxd4