Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. c4 Qd8 7. Be3 cxd4 8.
Nxd4 Bb4+ 9. Nc3 Ne4 *
Position (FEN): rnbqk2r/pp3ppp/4p3/8/1bPNn3/2N1B3/PP3PPP/R2QKB1R w KQkq - 3 10
White to move.
Themes:  Opening  
Puzzle rating: 1245
Best move: Qa4+