Chess puzzle (Advantage)
Moves: 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 d6 5. e3 Be7 6. Bd3 b6 7. Qa4+ Bd7 8. Qc2
c6 9. h3 d5 10. cxd5 cxd5 11. Ne5 O-O 12. Nxd7 Nbxd7 13. Bd2 Rc8 14. Qa4 Rc7
15. O-O-O Ne4 16. Bxe4 fxe4 17. Kb1 Nb8 18. Nb5 Qd7 19. b3 Rb7 20. Rhf1 a6 21.
Nc3 b5 22. Qa5 Qd6 23. Ne2 Nc6 24. Qxa6 Ra7 25. Qb6 Rfa8 26. Nc1 Qd7 27. Qxb5
Rb8 28. Qe2 Ba3 29. Bc3 Bxc1 30. Rxc1 Rba8 31. a3 *
Position (FEN): r5k1/r2q2pp/2n1p3/3p4/3Pp3/PPB1P2P/4QPP1/1KR2R2 b - - 0 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 825
Best move: Rxa3