Heckmondwike & Carlinghow made a significant move in the arrowselfdrive.com Huddersfield Central League as they over took Mount at the top of the table.
Mount travelled to Heckmondwike and went into the game three points ahead in the table, but were left trailing by 10 as they slipped to a six wicket defeat.
Jonathan Elstub took five for 23 and Paul Cooper three for 16 as Mount were bowled out for 88, and Heckmondwike sealed victory inside 23 overs.
Reigning champions Green Lane also moved above Mount as they won by seven wickets at Bradley & Colne.
The home side were bowled out for 56 as Liam Burkinshaw claimed an impressive eight wicket for just 19 runs, and they knocked off the winning runs inside 11 overs.
In Section A Calder Gribe conceded their game away at Birchencliffe.
Grove had batted first making 172, but then left the field with Birchencliffe on 157-3 after a dispute over whether conditions were still playable.
The Central League points system is different to that being operated in the Drakes League.
There are 10 points for the win in the Central League plus five batting and bowling bonus points.
Bowling bonus points are one for each two wickets taken (maximum five), while when batting, teams get one point for reaching 125 runs and a further four points for each 25 runs scored after that (so 225 gets the five bonus points).
Abandoned matches are five points each team. Any bonus points accrued before a game is called off are kept.
Teams can lose points for submitting late results sheets or playing ineligible players.