Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Caro-Kann_Defensive_System
Moves: 1. c4 c6 2. Nc3 e5 3. Nf3 d6 4. d4 Nd7 5. e4 Ngf6 6. d5 Be7 7. Bg5 O-O 8. Qd2
a5 9. Bd3 Qb6 10. h4 Nc5 11. b3 Nxd3+ 12. Qxd3 Ng4 13. Bxe7 Qxf2+ 14. Kd1 Qb2
15. Rf1 Qxa1+ 16. Ke2 Qb2+ 17. Nd2 Re8 18. Bxd6 a4 *
Position (FEN): r1b1r1k1/1p3ppp/2pB4/3Pp3/p1P1P1nP/1PNQ4/Pq1NK1P1/5R2 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1865
Best move: Rb1