Australian teenager Chad Sayers enjoyed another excellent day with the ball as he helped Shifnal to a winning draw against Harborne.
Sayers recorded figures of six for 44, as Harborne were restricted to 201 for nine in chasing the First Division leaders' total of 216 for seven.
Warwickshire's Michael Powell bucked the trend with 59 for Harborne but it wasn't enough to upset Shifnal, who increased their lead over the visitors to 26 points.
The result allowed Stratford to sneak into second position after a comprehensive 81-run victory over Smethwick - the Black Country side's first defeat of the campaign.
Greg Ricketts top-scored with 97 while Warwickshire's Luke Parker cracked 60 runs and posted figures of four for 39 with the ball.
Water Orton could only draw with bottom side Aston Unity but they produced the performance of the day as Ed Harris hit an unbeaten 194 in their mammoth total of 312 for two.
Leamington Spa recorded their first victory of the summer with a three-wicket triumph at Sutton Coldfield.
The inspiration in their 24-point haul was Faisal Irfan, who notched an invaluable half-century as well as claiming four for 55 with the ball.
Wolverhampton also racked up their inaugural victory this year, as Halesowen fell to a five-wicket home defeat.
Opener Andrew Gait guided them to victory with an unbeaten 103 and he was assisted by figures of five for 80 from Snape.
Walmley leapfrogged Bromsgrove with a comfortable seven-wicket win in Worcestershire. Tariq Mohammed's 103 was the stand-out score for Walmley.
Second Division leaders Cannock lost by 32 runs at Fordhouses after an inspired bowling display from Nick van Woerkem.
He bagged four for 29 as Cannock slipped to 131 all out, which allowed Penn to draw level on points at the top of the table. Richard Bradford's 63 saw Penn home by two wickets against Bridgnorth.
Studley enhanced their promotion prospects with a 14-run win at Aston Manor, thanks to Omaad Nazir (90) and Brandon Miller (6-73). Ravi Sehn had hit 100 for Aston Manor.
Old Elizabethans, Evesham and Tamworth also recorded victories against Dorridge, Pelsall and Attock respectively.
The game of the day in the Third Division was at Wombourne where nearly 600 runs were scored. Visitors Whitchurch accumulated 322 for seven, with the hosts only managing 272 for eight in reply.
St Georges stay at the summit of Division Three after an eight-wicket victory over Redditch with Anthony Daniels posting 106 not out.
Newport are in hot pursuit after a 122-run romp at Kings Heath while Zahir Suliman's unbeaten 57 saw Coleshill put a huge spanner in Berkswell's promotion push with a six-wicket win.
Beacon strolled to a nine-wicket win over Solihull Blossomfield with Michael J Smith (103 no) and Michael B Smith (4-64) the architects, while Ombersley beat Worcester by seven wickets. ..SUPL: