Chess puzzle (Crushing)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Qc2 d5 6. c5 b6 7. a3 Bxc3 8. Bxc3
bxc5 9. dxc5 Qe7 10. e3 e5 11. b4 d4 12. Bd2 Rd8 13. Nf3 Nd5 14. Be2 dxe3 15.
fxe3 e4 16. Nd4 Qh4+ 17. g3 Qe7 18. O-O Nd7 19. Bc4 Bb7 *
Position (FEN): r2r2k1/pbpnqppp/8/2Pn4/1PBNp3/P3P1P1/2QB3P/R4RK1 w - - 5 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1690
Best move: c6