Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. h3 Nf6 5. d3 Be7 6. O-O O-O 7. c3 Be6 8. Bb5 c6
9. Ba4 b5 10. Bc2 a5 11. Re1 Nbd7 12. Nbd2 Nb6 13. Nf1 Qc7 14. Ng3 Rad8 15. d4
exd4 16. cxd4 Rfe8 17. b3 Bf8 18. Bb2 Qd7 19. e5 dxe5 20. dxe5 Qc7 21. exf6 *
Position (FEN): 3rrbk1/2q2pp1/1np1bP1p/pp6/8/1P3NNP/PBB2PP1/R2QR1K1 b - - 0 21
Black to move.
Themes:  Opening  
Puzzle rating: 1433
Best move: Rxd1