These tables are intended as a guide to the target scores needed to achieve the various classifications.
GNAS tables derive the handicaps and hence the classifications for each round by adding the appropriate expected scores for each distance.
As with all sets of averages, a low score on one dozen may be balanced by a higher score on another.
These derived tables are all for dozen scores and calculated to the nearest first decimal place. 
Some rounding also occurs in calculating handicaps and classifications so exact correspondence is not guaranteed for borderline cases for all rounds. They are for guidance only.
Gents Recurve
Distance 100 80 60 50 40 30 20 H'cp
GMB 91.5 97.5 103.5 GMB & MB class from 22
MB 83 91.5 99.5 York round only 28
Bowman 68 80.5 92 100 yd rounds (except New Warwick) 36
1st class 47 64 81 88.5 80+ yd (except Warwicks) 44
2nd class 30 48 69 79.5 89 60+ yd rounds 50
3rd class 13.5 26.5 48.5 62.5 76.5 89 100.5 58
Ladies Recurve
Distance 100 80 60 50 40 30 20 H'cp
GMB 84.5 93 100 GMB & MB class from 27
MB 74.5 85 95 York & Hereford/Bristol I only 33
Bowman 55 71 85.5 92 80+ yds (except Warwicks) 41
1st class 30 48 69 79.5 89 60+ yd rounds 50
2nd class 15 28.5 51.5 65 78.5 90.5 101 57
3rd class 5.5 12.5 29.5 43.5 61 78.5 94 65
Gents Compound
Distance 100 80 60 50 40 30 20 H'cp
GMB 99 103.5 107 GMB & MB class from 14
MB 93.5 99.5 104.5 York round only 20
Bowman 83 91.5 99.5 100 yd rounds (except New Warwick) 28
1st class 65.5 79 90.5 96 80+ yd (except Warwicks) 37
2nd class 49.5 66.5 82.5 89.5 96.5 60+ yd rounds 43
3rd class 25.5 42 64.5 76 86.5 95.5 104 52
Ladies Compound
Distance 100 80 60 50 40 30 20 H'cp
GMB 94.5 100 105 GMB & MB class from 19
MB 89 96 102.5 York & Hereford/Bristol I only 24
Bowman 74.5 85 95 99.5 80+ yd rounds (except Warwicks) 33
1st class 52.5 68.5 84 91 97.5 60+ yd rounds 42
2nd class 30 48 69 79.5 89 97.5 105 50
3rd class 12 24 46 60 74.5 88 99.5 59