Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Three_Knights_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 a6 6. cxd5 Nxd5 7. Bxe7 Qxe7 8.
e4 Nxc3 9. bxc3 O-O 10. Bd3 c5 11. O-O Nc6 12. Rb1 Rd8 13. e5 cxd4 14. cxd4 Kh8
15. Be4 h6 16. Qa4 b5 17. Rxb5 *
Position (FEN): r1br3k/4qpp1/p1n1p2p/1R2P3/Q2PB3/5N2/P4PPP/5RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1969
Best move: axb5