Chess puzzle (Equality)
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. d4 g5 5. d5 Nb4 6. a3 Na6 7. b4 d6 8. h4 f6
9. Nxg5 fxg5 10. Qh5+ Kd7 11. Qf7+ Qe7 12. Qxe7+ Kxe7 *
Position (FEN): r1b2bnr/ppp1k2p/n2p4/3P2p1/1P2Pp1P/P7/2P3P1/RNB1KB1R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1968
Best move: Bb2