Chess puzzle (Advantage)
Moves: 1. b3 d5 2. Bb2 Bf5 3. Nf3 e6 4. e3 Nf6 5. Be2 Bd6 6. O-O Nbd7 7. d3 h5 8. c4
c6 9. Nbd2 Qe7 10. a4 O-O-O 11. cxd5 exd5 12. e4 dxe4 13. dxe4 Bxe4 14. Nxe4
Qxe4 15. Qxd6 Qxe2 16. Qa3 Rdg8 17. a5 g5 18. a6 Qxa6 19. Qd6 Ne4 20. Qe7 Re8
21. Qxf7 Rhf8 22. Qxh5 Qe2 23. Bg7 Rg8 24. Rxa7 *
Position (FEN): 2k1r1r1/Rp1n2B1/2p5/6pQ/4n3/1P3N2/4qPPP/5RK1 b - - 0 24
Black to move.
Themes:  Middlegame  
Puzzle rating: 2099
Best move: Nd2