Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Normal_Variation
Moves: 1. e4 Nf6 2. e5 Nd5 3. Nf3 c5 4. Bc4 Nb6 5. Bb5 a6 6. Be2 e6 7. d4 d5 8. exd6
Bxd6 9. O-O O-O 10. c3 Nc6 11. Bg5 f6 12. Bh4 Qc7 13. Qb3 cxd4 14. cxd4 Na5 15.
Qd3 Bf4 16. Nbd2 Bd7 17. Rac1 Nc6 18. a3 Nd5 19. Ne4 *
Position (FEN): r4rk1/1pqb2pp/p1n1pp2/3n4/3PNb1B/P2Q1N2/1P2BPPP/2R2RK1 b - - 2 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1432
Best move: Bxc1