Chess puzzle (Advantage)
Opening: English_Defense, English_Defense_Other_variations
Moves: 1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 g6 5. Nf3 Bg7 6. Be3 Nf6 7. Bd3 Ng4 8. Bc1
Nc6 9. h3 Nf6 10. d5 exd5 11. exd5 Qe7+ 12. Qe2 Qxe2+ 13. Nxe2 Nb4 14. Bb1 O-O
15. a3 Na6 16. O-O Nc5 17. Ned4 Nfe4 18. b4 Bxd4 *
Position (FEN): r4rk1/pbpp1p1p/1p4p1/2nP4/1PPbn3/P4N1P/5PP1/RBB2RK1 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1050
Best move: Nxd4