Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bc4 Be7 8.
O-O O-O 9. Bg5 c5 10. Qe3 a6 11. f4 Ng4 12. Bxe7 *
Position (FEN): r1bq1rk1/1p2Bppp/p2p4/2p5/2B1PPn1/2N1Q3/PPP3PP/R4RK1 b - - 0 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 930
Best move: Nxe3