WIDNES Bowling Club raised their own title hopes while setting back those of opponents Halton Stadium in Widnes & District Darts League's Cheshire Roof Trusses 501 section.
Alan Magee's last-game win gave the Bowler 5-4 victory in a nailbiting 17th-round derby.
Bowler had taken the first game through Dave Houghton's 18 darter, including a 134 finish.
Joe Batty later triumphed in 16 darts for the eventual winners.
Cricketers took the last four games through Dave Leather & Mick Davies, Paul Barnes, S Grady and Davies for a 7-2 match score against Our Mike's.
The Buffs gave hosts and 5-4 winners Mill Brow a run for their money before Chris Bright and John Glover took the last two.
The RAOB side had opened with Darren Grant's 18 darter.
Grant also had individual success by reaching the Alan Knowles Memorial Shield final.
He defeated Chris Bright in two straight legs at Cricketers Arms and will now face Alan Clark.
Clark defeated Alan Magee 2-0 at Castle - aided by an 11 darter.
The Alf Houghton Memorial Shield final will be contested by George Plumpton and Mark Lunt.
Lunt's 2-0 victory at Bowling Club put paid to Lol McGiever's chances while at the Wids, Plumpton over-came Alan Leather in two straight games.
Mill Brow took a 7-2 hiding at home to Stadium in round 20 of the Karalius Bros RTB league with the visitors taking five in a row - courtesy of Eric Peel & Phil Corless, Kurt Mathews & Barry Stanners and Alan Clark & John Bowles in the doubles plus singles stars Bowles and Dave Horsfall.
Buffs produced a strong finish to see off Widnes Rec 7-2, thanks to Damian Eustace (13 darts), Darren Grant (16) and Ray Dutton (16).
Widnes Bowling Club routed Division Two's United Services 8-1 with Alan Magee (16 darts) and Joe Batty (15) picking up singles wins while Magee teamed up with Joe Batty for a 17-dart pairs win.
Andy Ruane's 14 darter set Widnes RUFC on the road to 6-3 victory over visiting St Michael's RC.
Corpy Club were outclassed 7-2 at home by Cricketers for whom Bob Mason and John Mulhol-land (both 18 darts) polished off the job.