Stamford beat the league leaders, Oakham move up to fifth and Bourne pick up a derby win in today's round of Midlands League matches.
Stamford knocked Rugby St Andrews off top spot with a 13-10 victory at Empingham Road to move second, one point behind next week's opponents Stewarts and Lloyds in Division 3 East (South).
Deeping's match against Northampton Men's Own in the same division was called off.
Meanwhile the Oaks won 29-10 at Nottingham Casuals to move up to fifth in Division 2 East North.
Next Saturday Oakham face neighbours and rivals Melton at home with former Oaks coach Adam Copperwheat now among the Melton coaching staff.
Bourne won their derby against Stamford College Old Boys in division 4 East (South), while Oundle lost 22-12 at St Ives in the same division.