Chess puzzle (Advantage)
Opening: Kings_Indian_Attack, Kings_Indian_Attack_Other_variations
Moves: 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. O-O Nh6 5. d3 Bg4 6. Bxh6 gxh6 7. Nbd2 f5 8.
c4 dxc4 9. Nxc4 Bd6 10. b4 Qf6 11. b5 Nd4 12. Nfxe5 Bxe2 13. Nxd6+ cxd6 14. Qa4
Bxf1 15. Rxf1 Ne2+ 16. Kh1 Qxe5 17. Bxb7 Rb8 18. b6+ Kf8 *
Position (FEN): 1r3k1r/pB5p/1P1p3p/4qp2/Q7/3P2P1/P3nP1P/5R1K w - - 1 19
White to move.
Themes: Advanced Pawn Middlegame  
Puzzle rating: 1780
Best move: bxa7