Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 d5 6. Bd3 c4 7. Bc2 Bd6 8. Bg3
Bxg3 9. hxg3 h6 10. Ngf3 Qb6 11. b3 cxb3 12. axb3 Bd7 13. O-O h5 14. Qe2 Ng4
15. e4 O-O-O 16. e5 f6 17. exf6 gxf6 18. c4 Nxd4 19. cxd5 exd5 20. Nxd4 Qxd4
21. Nf3 Qb6 22. Rfc1 Kb8 23. Bd3 f5 24. Ra2 f4 25. gxf4 h4 26. Rca1 h3 27. Rxa7
Qxa7 *
Position (FEN): 1k1r3r/qp1b4/8/3p4/5Pn1/1P1B1N1p/4QPP1/R5K1 w - - 0 28
White to move.
Themes:  Middlegame  
Puzzle rating: 1125
Best move: Rxa7