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 Nf6 6. Bg5 Be7 7. Be2 c5 8.
Qc3 O-O 9. O-O *
Position (FEN): r1bq1rk1/pp1pbppp/5n2/2p3B1/4P3/2Q5/PPP1BPPP/RN3RK1 b - - 3 9
Black to move.
Themes:  Opening  
Puzzle rating: 698
Best move: Nxe4