Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Nf6 3. c4 c6 4. dxc6 Nxc6 5. Nc3 e5 6. d3 Bf5 7. Bg5 Qb6 8.
Bxf6 gxf6 9. Rb1 O-O-O 10. Nd5 Qa5+ 11. Nc3 Nb4 12. Nf3 Bxd3 13. Bxd3 Nxd3+ 14.
Kf1 Nxb2 15. Qb3 Ba3 16. Nb5 Rd3 17. Qc2 Rhd8 18. Nxa3 Qxa3 19. Qxb2 Qxb2 *
Position (FEN): 2kr4/pp3p1p/5p2/4p3/2P5/3r1N2/Pq3PPP/1R3K1R w - - 0 20
White to move.
Themes:  Endgame  
Puzzle rating: 629
Best move: Rxb2