I'm stuck on the last bit. I've done the below steps. 1 folded paper to get delete the golf, alpha, Lima, hotel 2. folded paper other way to get Yankee, golf, delta, Charlie, kilo 3. removed letters from above phonetic words on next page. 4. have neuro as a word and chemical as a clue.. Now complete...

Try working backwards from circle. (bishop move x2) then knight moves..