Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_OKelly_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. c3 a6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 Nc6 7. Bd3 e5 8. dxe5
dxe5 9. O-O Bc5 10. Bg5 Bg4 11. Bxf6 Qxf6 12. Nd5 Qd6 13. Be2 O-O 14. h3 Bxf3
15. Bxf3 Nd4 16. Rc1 Rfd8 17. Bg4 Nc6 18. Qe2 Ne7 19. Rfd1 Nxd5 *
Position (FEN): r2r2k1/1p3ppp/p2q4/2bnp3/4P1B1/7P/PP2QPP1/2RR2K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1196
Best move: Rxd5