Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Old_Indian_Attack
Moves: 1. d3 d5 2. Nf3 Bf5 3. g3 e6 4. Bg2 Nf6 5. O-O Bd6 6. h3 h6 7. a3 Nbd7 8. b4
O-O 9. c4 b6 10. cxd5 exd5 11. Qb3 Re8 12. e4 dxe4 13. dxe4 Nxe4 14. Bb2 Ndf6
15. Nh4 Bh7 16. Bxf6 Qxf6 17. Bxe4 Qxa1 *
Position (FEN): r3r1k1/p1p2ppb/1p1b3p/8/1P2B2N/PQ4PP/5P2/qN3RK1 w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 2036
Best move: Bxa8