Chess puzzle (Advantage)
Opening: Saragossa_Opening, Saragossa_Opening_Other_variations
Moves: 1. c3 d5 2. d4 Bf5 3. e3 Bxb1 4. Rxb1 Nf6 5. c4 c6 6. b4 e6 7. b5 Qa5+ 8. Bd2
Qb6 9. a4 Be7 10. bxc6 Qxc6 11. cxd5 Qxd5 12. Rxb7 *
Position (FEN): rn2k2r/pR2bppp/4pn2/3q4/P2P4/4P3/3B1PPP/3QKBNR b Kkq - 0 12
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 800
Best move: Qxb7