Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. Bc4 O-O 8.
Nxc6 Qxc6 9. Bxc5 Qxc5 10. Nd2 d5 11. exd5 Nxd5 12. O-O Be6 13. Bd3 Nf4 14. Be4
c6 15. Qf3 Nd5 16. Qh5 f5 17. Nb3 Qe7 18. Bc2 Nf4 19. Qf3 Qg5 20. g3 *
Position (FEN): r4rk1/pp4pp/2p1b3/5pq1/5n2/1NP2QP1/PPB2P1P/R4RK1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1368
Best move: Nh3+