Veryan War Memorial.
To find this cache, you will need to visit the War Memorial outside of the churchyard and then visit 3 War Graves in the graveyard.
The final is a bit of a walk away due to the proximity of other caches in the village and the nearby school.

The cache.
N 50 13.CDC W 004 54.(A+B) E (E-C)
War Memorial. (Headline coordinates).
On the side with "In memory of those who died on active service 1939 - 45"
Number of letters in the surname of Victor Leslie = A
Now you need to head into the graveyard, head right and find the 3 War Graves. Each waypoint for the graves are given with the question in waypoint section.
J. S. Davey - Digit in rank of J. S. Davey? Boy ??? Class = B
H. Hammond - 1st Digit of service number of H. Hammond = C
2nd Digit of service number of H. Hammond = D
E. Johnston - Last Digit in date of death 194? = E
Checksum of A+B+C+D+E = 16
Good footwear is recommended as the path can be muddy and slippery.
***** PLEASE NOTE IMPORTANT *****
CACHES ARE NOT ALLOWED TO BE PLACED ON ACTUAL MEMORIALS OR WITHIN THE BOUNDARY OF SUCH
AT ALL TIMES PLEASE TREAT LOCATIONS OF MEMORIALS WITH RESPECT