Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Gunsberg_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 h6 5. h3 a5 6. Bb5 Nd4 7. Nxe5 Qe7 8. f4
Nxe4 9. Nxe4 Nxb5 10. O-O d6 11. Nf3 Qxe4 *
Position (FEN): r1b1kb1r/1pp2pp1/3p3p/pn6/4qP2/P4N1P/1PPP2P1/R1BQ1RK1 w kq - 0 12
White to move.
Themes: Pin Opening  
Puzzle rating: 1202
Best move: Re1