Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. O-O Qd4 7. Qe2 a6 8. c3
Qd6 9. a3 Nc6 10. d4 cxd4 11. cxd4 Nxe5 *
Position (FEN): r1b1kb1r/1p3ppp/p2qpn2/4n3/2BP4/P7/1P2QPPP/RNB2RK1 w kq - 0 12
White to move.
Themes:  Opening  
Puzzle rating: 1343
Best move: dxe5