Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Ng5 O-O 6. Nxf7 Rxf7 7. Bxf7+ Kxf7
8. Be3 Bxe3 9. fxe3 d5 10. exd5 Nxd5 11. O-O+ Kg8 12. Qf3 Nf6 13. Nc3 Bg4 14.
Qf2 Qe7 15. h3 Be6 16. a3 Rf8 17. Qg3 Nd5 18. Nxd5 Bxd5 19. e4 Be6 20. b4 Nd4
21. Rxf8+ Qxf8 22. Qxe5 Qd6 23. Qxd6 cxd6 24. c4 Kf7 25. Rf1+ Kg6 26. Rf8 Nc2
27. a4 *
Position (FEN): 5R2/pp4pp/3pb1k1/8/PPP1P3/3P3P/2n3P1/6K1 b - - 0 27
Black to move.
Themes:  Endgame  
Puzzle rating: 1427
Best move: Nxb4