Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 Nc6 5. O-O d6 6. a3 Bxc3 7. dxc3 Nxe4 8.
Qd5 Be6 9. Qxe4 Bxc4 *
Position (FEN): r2qk2r/ppp2ppp/2np4/4p3/2b1Q3/P1P2N2/1PP2PPP/R1B2RK1 w kq - 0 10
White to move.
Themes:  Middlegame  
Puzzle rating: 1017
Best move: Qxc4