Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Fianchetto_Variation
Moves: 1. c4 c5 2. Nc3 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. d4 Na6 8. a3
Ne8 9. e4 Qb6 10. Nd5 Qd8 11. Be3 e6 12. Nc3 Qb6 13. Rb1 Rb8 14. Re1 Qc7 15.
Nb5 Qb6 16. d5 e5 17. Bd2 Bd7 18. b4 Bxb5 19. bxc5 Qxc5 *
Position (FEN): 1r2nrk1/pp3pbp/n2p2p1/1bqPp3/2P1P3/P4NP1/3B1PBP/1R1QR1K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1814
Best move: cxb5