Chess puzzle (Advantage)
Opening: Grunfeld_Defense, Grunfeld_Defense_Exchange_Variation
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. cxd5 Nxd5 5. Nc3 Bg7 6. e4 Nxc3 7. bxc3 O-O 8.
Bd3 Bg4 9. h3 Bxf3 10. Qxf3 Nd7 11. e5 c5 12. Qxb7 e6 13. Be4 Qa5 14. O-O Qxc3
15. Qxd7 Qxa1 *
Position (FEN): r4rk1/p2Q1pbp/4p1p1/2p1P3/3PB3/7P/P4PP1/q1B2RK1 w - - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1602
Best move: Bxa8