Chess puzzle (Advantage)
Opening: Three_Knights_Opening, Three_Knights_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. d3 h6 6. O-O Bg4 7. Be3 Nd4 8. Bxd4
Bxd4 9. Nd5 Ne7 10. c3 Bb6 11. b4 c6 12. Nxe7 Qxe7 13. a4 O-O 14. a5 Bc7 15. a6
b5 16. Bb3 Rfd8 17. h3 Bh5 18. d4 d5 19. exd5 *
Position (FEN): r2r2k1/p1b1qpp1/P1p4p/1p1Pp2b/1P1P4/1BP2N1P/5PP1/R2Q1RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1634
Best move: e4