Chess puzzle (Advantage)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 c6 2. e4 d5 3. e5 Bf5 4. d4 e6 5. Be3 Qb6 6. Bc1 c5 7. c3 cxd4 8. Qxd4
Bc5 9. Qd2 Nc6 10. Nf3 Bg4 11. a4 Na5 12. Ra2 Nb3 13. Qc2 Nxc1 14. Bb5+ Ke7 15.
Qxc1 Bf2+ 16. Ke2 Nh6 17. h3 Bf5 18. g4 *
Position (FEN): r6r/pp2kppp/1q2p2n/1B1pPb2/P4PP1/2P2N1P/RP2Kb2/1NQ4R b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1963
Best move: Bxb1