Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Four_Pawns_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 g6 6. Nf3 Bg7 7. Bd3 Bg4 8. O-O
Nc6 9. exd6 cxd6 10. d5 Nd4 11. Nbd2 Qd7 12. h3 Bxh3 *
Position (FEN): r3k2r/pp1qppbp/1n1p2p1/3P4/2Pn1P2/3B1N1b/PP1N2P1/R1BQ1RK1 w kq - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1749
Best move: gxh3