| Grade Improvement |
Name |
Club |
Grade |
Previous Grade |
| 129 |
Dan Malbon |
St Andrews Hull |
1377 |
1248 |
| 100 |
Darren Tomlinson |
St Andrews Hull |
1192 |
1092 |
| 86 |
John Grasham |
Scunthorpe |
1690 |
1604 |
| 81 |
David Atkin |
St Andrews Hull |
1407 |
1326 |
| 43 |
Ian Scott |
St Andrews Hull |
1600 |
1557 |
| 43 |
Bernard Pratten |
Appleby Frodingham |
1700 |
1657 |
| 43 |
Bernard Pratten |
Scunthorpe |
1700 |
1657 |
| 41 |
Robert Dennington |
Barton-on-Humber |
1640 |
1599 |
| 39 |
Stephen Crow |
St Andrews Hull |
1909 |
1870 |
| 38 |
John Thackray |
St Andrews Hull |
1965 |
1927 |
| 32 |
Denis Georgiou |
Scunthorpe |
1870 |
1838 |
| 32 |
Denis Georgiou |
Appleby Frodingham |
1870 |
1838 |
| 18 |
Andrew D Bettley |
St Andrews Hull |
1805 |
1787 |
| 16 |
Ian D Major |
St Andrews Hull |
1844 |
1828 |
| 10 |
John P Mainwaring |
Scunthorpe |
1714 |
1704 |
| 10 |
John P Mainwaring |
Appleby Frodingham |
1714 |
1704 |
| 4 |
Pruthvi Kapoor |
St Andrews Hull |
1460 |
1456 |
| 4 |
N Charles Clayton |
St Andrews Hull |
1476 |
1472 |
| 3 |
Lester Jones |
St Andrews Hull |
1531 |
1528 |
| 3 |
Henrik Salbol |
St Andrews Hull |
1329 |
1326 |