Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Bc5 3. d3 h6 4. Nf3 Nc6 5. g3 Nf6 6. Bg2 O-O 7. O-O d5 8. cxd5
Nxd5 9. Ne4 Bb6 10. Qb3 Be6 11. Qc2 Bf5 12. Nfd2 Re8 13. b3 Ndb4 14. Qb1 Nd5
15. Bb2 Ba5 16. Nc4 Bxe4 17. Bxe4 Nc3 18. Qc2 *
Position (FEN): r2qr1k1/ppp2pp1/2n4p/b3p3/2N1B3/1PnP2P1/PBQ1PP1P/R4RK1 b - - 2 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1522
Best move: Nd4