The calculators came out to determine the outcome of a thrilling encounter between Hanging Heaton and Townville when rain prevented a thrilling climax to a high-scoring encounter.
Hanging Heaton, who made 310-5 in their full allocation of 50 overs, had an overall run rate of 6.2 runs per over to Townville's 5.89, which was calculated on their score after the last completed over of their reply.
The highlight of the match was a magnificent innings of 170 from the Hanging Heaton skipper Gary Fellows. The former Yorkshire player he four sixes and 22 fours as he dominated his side's innings. Richard Foster (51) shared a second-wicket stand of 116 with his captain.
Championship B leaders Townville weren't daunted by the size of the challenge facing them in worsening light. Even losing their first five wickets for 89 including the in-form Jack Hughes for 38, didn't dampen their spirits.
Connor Harvey and skipper Nick Bresnan - playing against his old club - launched a ferocious counter attack which went within decimal points of snatching victory.
They put on 123 for the sixth wicket off just 77 balls with Harvey hitting six sixes and eight fours as he made an unbeaten 87 from just 47 deliveries. Bresnan's 52 came off 53 balls and contained three sixes and four fours.
David Stiff took 3-41 for Hanging Heaton who were on the ropes when play was abandoned due to heavy rain with Townville on 232-6 off 37.5 overs.
Charlie Best hit a stunning 112 off 89 balls as holders Bradford & Bingley defeated Methley by 88 runs in a match reduced to 30 overs per side.
After a delayed start the match got under way as a 46 overs per side contest but when Bradford & Bingley had reached 42-0 after 14 overs rain led to a delay of 2hrs 8mins.
When play resumed Best launched into the bowling. He struck seven sixes and eight fours as Bradford & Bingley stepped up the tempo. Big-hitting Noman Ali weighed in with four sixes in a rapid 39 as the runs came at a rapid rate.
Bradford & Bingley scored 173 runs in the final 16 overs of their innings as they posted a challenging score of 215-2.
Methley, who had beaten Premier Division East Bierley in the previous round, knew they had to take risks if they were to claim another Premier Division scalp and they soon found themselves 30-5.
Barney Gibson (51) and Luke Bullingham (37) gave their side a lift before Bradford & Bingley skipper Scott Etherington took 4-12 and Methley were bowled out for 127.
Baildon were the first side to secure their place in the quarter-finals when they defeated Carlton on the faster scoring rate in a rain-affected game.
The Jenny Laners made 202-7 in 45 overs with the in-form Jonny Reynolds leading the way. He made 64 and was well supported by Ross Todd (33) and Darren Wilson (31).
The weather only allowed 15 overs to be bowled in the Carlton innings in which time they made 63-3. Once again their top scorer was Farrukh Alam made an unbeaten 42.
The remaining five ties will all have to be replayed next week after being disrupted by the wet weather.
Veteran James Goldthorp (72) and Max McIver (50) shared a third-wicket stand of 100 as Yeadon made 248-5 in 43 overs before their match with Scholes was abandoned. Oliver Halliday chipped in with 45 while skipper James Stansfield took 4-57 before play was abandoned.
Johnny Barton (37) and Gulsheraz Ahme (32) helper Undercliffe to male 169-9 in 27 overs against Gomersal whose best bowler was spinner Chris Rhodes (3-20). Gomersal had made 16-0 in three overs when play was abandoned.
Former Pudsey Congs batsman Andrew Bourke, now captain of Wrenthorpe, was unbeaten on 45 when rain halted his side's innings in 73-2 in 16 overs at Pudsey St Lawrence.
Just one over was possible in the all-Premier Division clash between Woodlands and Cleckheaton while there was no play at all in the tie between Lightcliffe and Batley.