Chess puzzle (Equality)
Moves: 1. e3 Nf6 2. Nc3 e5 3. Qf3 Bc5 4. a3 d6 5. Be2 Bg4 6. Qxb7 Nbd7 7. Bb5 Rb8 8.
Bxd7+ Nxd7 9. Qa6 O-O 10. h3 Bh5 11. g4 Bg6 12. e4 Qf6 13. Qe2 d5 14. Nxd5 Qd6
15. b4 Bb6 16. d3 c6 17. Ne3 Qd4 18. Rb1 c5 19. Bb2 Qd6 20. Nc4 Qc7 21. Bc3
cxb4 22. Bxb4 Bc5 23. Nf3 *
Position (FEN): 1r3rk1/p1qn1ppp/6b1/2b1p3/1BN1P1P1/P2P1N1P/2P1QP2/1R2K2R b K - 2 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1464
Best move: a5