Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Calabrese_Countergambit
Moves: 1. e4 e5 2. Bc4 f5 3. Bxg8 Rxg8 4. exf5 d5 5. Qh5+ g6 6. fxg6 hxg6 7. Qxe5+ Be7
8. Ne2 Nc6 9. Qc3 Qd6 10. d4 Bf5 11. Na3 Qf6 12. Nb5 *
Position (FEN): r3k1r1/ppp1b3/2n2qp1/1N1p1b2/3P4/2Q5/PPP1NPPP/R1B1K2R b KQq - 4 12
Black to move.
Themes: Pin Middlegame  
Puzzle rating: 1112
Best move: Bb4