Chess puzzle (Advantage)
Opening: Kings_Knight_Opening, Kings_Knight_Opening_Konstantinopolsky
Moves: 1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. d3 Bb4+ 5. Nc3 O-O 6. Bg2 d6 7. O-O Nd4 8. h3
h5 9. Bg5 Ne6 10. Nd5 Nxg5 11. Nxg5 Nh7 *
Position (FEN): r1bq1rk1/ppp2ppn/3p4/3Np1Np/1b2P3/3P2PP/PPP2PB1/R2Q1RK1 w - - 1 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1552
Best move: Nxh7