Reigning Johnsons Buildbase Oxford League men's individual champion Keith Sheard was knocked out at the quarter-final stage by Alan Oliver, writes PETE EWINS.
Sheard failed to cope with the Dolphin table and lost 2-0.
Oliver, who plays for Vikings, took the first game 6,590-150.
In the second, Sheard – again with the break – failed to hit top form and lost 3,530-1,730 for a 10,120-1,880 aggregate defeat.
Oliver will now face teammate Alan Lacey in the semi-final after he recorded a narrow aggregate win over Nelson's Kevin Godfrey.
Lacey took the first frame 5,620-880, before Godfrey hit back to take the second 6370- 1850 – but it proved just 390 short as Lacey won 7,470-7,250 on aggregate.
Harrow's Ian Moquet beat Berinsfield’s Geoff Mace 2-0.
Moquet won the first leg 8,300-1,580 and took the second 9,510-3,030.
He will now play Nelson's Steven Sheard in the other last-four clash after he won a thrilling game against Maxi McDonnell.
McDonnell won the first leg 7,970-1,510, but then Sheard hit a stunning break of 13,820 to win 15,410-10,520 on aggregate.
In Section 2, champions Democrats win 5-0 at Gladiators B.
Billy Hill (4,430), Richard Garrett (5,110), Terry Green (2,140), John Patey (4,550) and Bob Parsons (3,910) were all on song.
Shelley Arms dented Headington Conservative Club's runners-up hopes, beating them 3-2.
Keith Sherrell (1,790), Gary Coulthard (1,730) and Martin Coulthard (2,310) won the opening three games to ensure victory.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here