Chess puzzle (Equality)
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. Bc4 g5 6. g4 fxg3 7. d4 g2 8. Rg1
g4 9. Ng5 d5 10. exd6 Be6 11. Bxe6 fxe6 12. Qxg4 Ng7 13. Rxg2 Qxd6 14. Nxh7 Nd7
15. Qg6+ Kd8 16. Nxf8 Rxh2 17. Rxh2 Qxh2 18. Qxg7 Qh1+ 19. Kd2 Qh2+ 20. Kc3
Qh3+ 21. Kc4 *
Position (FEN): r2k1N2/pppn2Q1/4p3/8/2KP4/7q/PPP5/RNB5 b - - 6 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 2375
Best move: b5+