Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. c4 Qe4+ 5. Be2 Bg4 *
Position (FEN): rn2kbnr/pp2pppp/8/2p5/2P1q1b1/8/PP1PBPPP/RNBQK1NR w KQkq - 3 6
White to move.
Themes:  Opening  
Puzzle rating: 1499
Best move: f3