Guiseley’s amazing climb up the Division One table was brought to an end at Nethermoor on Saturday.
Leaders Thackley beat them by 15 runs to secure a six point advantage in the title race.
Mahir Ali (51no) was the only batsman to make a major contribution as Chris Wain (7-66) restricted Thackley to 173-8.
But Rishad Jain (3-25) and Nasser Jamal, whose 4-31 was his tenth haul of four or more wickets in 19 games, dismissed Guiseley for 158.
The win means that Thackley’s only realistic rivals for the title are Kirkstall the side they meet on the final day of the season.
Kirkstall kept up their pursuit with a four-wicket win over Green Lane, who are in danger of relegation after five straight defeats.
Another sterling display by captain Andrew Doidge delayed Rawdon’s relegation for at least another week.
After picking up 5-67 as Follifoot scored 160, Doidge then hit an unbeaten 95 and with Simon Kellett (38no) clinched Rawdon’s third win in four starts.
Michael Missett (40) top scored as Otley moved up to third with a 44-run win at Adel, who remain in the second relegation spot, five points behind Green Lane.
David Brook (96), Charlie Davy (63) and Mark Harrison (46no) led the way as Burley set a target of 275-6 but Bilton came nowhere near.
They were bowled out for 116 as they became the latest side to suffer at the hands of Burley’s in-form Australian Dan Meredith, who continued his d