Chess puzzle (Advantage)
Opening: Kings_Knight_Opening, Kings_Knight_Opening_Konstantinopolsky
Moves: 1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. Nc3 Bc5 5. d3 h6 6. Bg2 O-O 7. O-O d6 8. h4
Be6 9. a3 Qd7 10. Ne2 a6 11. Kh2 Ne7 12. b4 Bb6 13. Bb2 Ng4+ 14. Kg1 Ng6 15. d4
Nf6 16. dxe5 Nxe4 17. exd6 Qxd6 18. Ned4 Rad8 19. c4 *
Position (FEN): 3r1rk1/1pp2pp1/pb1qb1np/8/1PPNn2P/P4NP1/1B3PB1/R2Q1RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1874
Best move: Bxc4