Chess puzzle (Advantage)
Opening: Three_Knights_Opening, Three_Knights_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. d3 h6 5. Qe2 f6 6. Be3 Bxe3 7. Qxe3 Nb4 8.
O-O-O Qe7 9. Nh4 Qf7 10. Nd5 Nxd5 11. exd5 Qxd5 *
Position (FEN): r1b1k1nr/pppp2p1/5p1p/3qp3/7N/3PQ3/PPP2PPP/2KR1B1R w kq - 0 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1235
Best move: Ng6