IAIN McLaren struck a splendid 140 not out as Worcester brushed aside the challenge of rivals Kidderminster in their Birmingham Division One clash.
Worcester posted a total of 292-7 before bowling Kidderminster out for 187 in the 49th over to seal a 105-run victory.
The win was achieved despite Worcester losing two players in the morning with a stomach bug and seeing a third, captain Guy Muspratt, depart the field early with the same illness.
Kidderminster, anchored to the bottom of the league with Aston Unity, have now been bowled out twice in the space of six days and they were made to rue their decision to put their hosts into bat after winning the toss.
The match had started well for the visitors when opener Adam Binks was bowled by Mark Harrity for two in the third over.
His opening partner Andy Mason survived until the ninth over when he became Harrity's second scalp to leave the score at 32-2.
South African Murray Ranger and McLaren then produced an 88 run partnership in 18 overs with 100 coming up in the 24th over.
Ranger (35) then fell victim to Mark Mansell to leave Worcester 120-3. Former Kidderminster player Mitchell Fowles joined in the fun and had also scored 35 when Mansell struck again (216-4).
McLaren was in terrific form and although he lost Phil Jones (run out for eight), Richard Franklin (stumped Willetts b Lawes 7) and Mark Chambers (b Lawes) he almost treated the Kidderminster bowling with contempt.
At the close of the Worcester innings he was 140no having batted for just 163 minutes and plundered 20 fours and three sixes.
Vic Lawes 46-2, Mark Harrity 54-2 and Mark Mansell 68-2 were the pick of the visitors bowlers.
Kidderminster's reply got off to a wretched start with Manseill bowled by Ranger for six. The South African then claimed Vic Lawes lbw with the out-of-form batsman having scored a solitary run.
Craig Wood was bowled by James Wagstaffe for five and by the 23rd over Kidderminster were reeling at 69-5.
Jonathan Wright, who has not failed in five league matches with 214 runs to his credit, once again proved to be the back bone of a weak Kidderminster reply but the opener was fourth out for 45 caught by Fowles off the bowling of Jones.
Ted Baylis was leg before to Wagstaffe for three but once again it looked a poor decision.
Aussie Chris Jones fell to Wagstaffe for 48 and skipper Sean Lloyd became Wagstaffe's fourth victim when he was caught and bowled for 33.
Wagstaff claimed his fifth wicket, Chris Pyke (10) with another caught and bowled and Willetts (16) for his sixth.
Robert Bratt fell to Mason for a duck. Wagstaffe: 6-82, Ranger took 2-22, Mason 1-26, Jones 1-22. Worc (20 pts) Kidderminster (five points).
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