Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 O-O 7. h3 Bxf3 8. Bxf3
Nc6 9. O-O e5 10. d5 Nd4 11. Be3 Nxf3+ 12. Qxf3 c6 13. Rfd1 cxd5 14. Nxd5 Nxd5
15. cxd5 f5 16. Bd2 fxe4 17. Qxe4 Qb6 18. Be3 Qxb2 19. Rab1 Qxa2 20. Rxb7 a5
21. Rd7 Qb3 *
Position (FEN): r4rk1/3R2bp/3p2p1/p2Pp3/4Q3/1q2B2P/5PP1/3R2K1 w - - 2 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1392
Best move: Rb1