Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f3 Bb4 7. Be3 Qa5 8.
Qd3 Ne5 9. Qd2 O-O 10. Be2 a6 11. O-O b5 12. a3 Bxc3 13. bxc3 Bb7 14. Nb3 Qc7
15. Rad1 Rfc8 16. Bf4 Nc4 17. Bxc4 Qxc4 18. Be5 d5 19. Qg5 Ne8 20. Qg3 dxe4 *
Position (FEN): r1r1n1k1/1b3ppp/p3p3/1p2B3/2q1p3/PNP2PQ1/2P3PP/3R1RK1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1654
Best move: Rd7