Chess puzzle (Advantage)
Opening: Blumenfeld_Countergambit, Blumenfeld_Countergambit_Dus-Khotimirsky_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 h6 6. Bxf6 Qxf6 7. Nc3 b4 8. Nb5
Na6 9. e4 Qxb2 10. Rb1 Qxa2 11. Ra1 Qb2 12. Rxa6 *
Position (FEN): r1b1kb1r/p2p1pp1/R3p2p/1NpP4/1pP1P3/5N2/1q3PPP/3QKB1R b Kkq - 0 12
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1348
Best move: Bxa6