Chess puzzle (Crushing)
Opening: Old_Indian_Defense, Old_Indian_Defense_Czech_Variation
Moves: 1. d4 Nf6 2. Nf3 d6 3. c4 c6 4. Nc3 Nbd7 5. e3 g6 6. Be2 Bg7 7. O-O O-O 8. a3
e5 9. b4 exd4 10. exd4 c5 11. Bb2 cxd4 12. Nxd4 Ne5 13. Ndb5 Be6 14. Nxd6 Qc7
15. c5 a6 16. Qd2 Rfd8 17. Qf4 Ne8 18. Nce4 Nxd6 *
Position (FEN): r2r2k1/1pq2pbp/p2nb1p1/2P1n3/1P2NQ2/P7/1B2BPPP/R4RK1 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 2236
Best move: cxd6