Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. O-O Nf6 5. Nc3 e6 6. a3 Be7 7. Re1 O-O 8. d3
Re8 9. e5 dxe5 10. Nxe5 Qc7 11. Nb5 Qb8 12. Nxc6 bxc6 13. Nc3 Bd6 14. g3 a5 15.
b3 Nd5 16. Bb2 a4 17. Nxa4 *
Position (FEN): rqb1r1k1/5ppp/2pbp3/2pn4/N1B5/PP1P2P1/1BP2P1P/R2QR1K1 b - - 0 17
Black to move.
Themes:  Opening  
Puzzle rating: 1534
Best move: Rxa4