Chess puzzle (Advantage)
Opening: Polish_Defense, Polish_Defense_Other_variations
Moves: 1. d4 b5 2. e4 a6 3. a4 Bb7 4. axb5 Bxe4 5. bxa6 Nxa6 6. Rxa6 Rxa6 7. Bxa6 *
Position (FEN): 3qkbnr/2pppppp/B7/8/3Pb3/8/1PP2PPP/1NBQK1NR b Kk - 0 7
Black to move.
Themes:  Opening  
Puzzle rating: 1159
Best move: Bxg2