Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Nbd2 e6 5. Be2 c5 6. c4 cxd4 7. Nxd4 Bg6 8.
O-O Nc6 9. Qa4 Qc7 10. cxd5 Nxd5 11. e4 Nf6 12. Bb5 Bc5 13. Nxc6 O-O 14. e5
bxc6 15. exf6 cxb5 16. Qxb5 Rfd8 17. fxg7 Rd5 18. Qb3 Rh5 19. h3 *
Position (FEN): r5k1/p1q2pPp/4p1b1/2b4r/8/1Q5P/PP1N1PP1/R1B2RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 2455
Best move: Rd8