Manitoba, Ontario and the Jennifer Jones wild-card team opened the championship round of the Scotties Tournament of Hearts with wins Thursday.
The three teams were 7-1 frontrunners among the eight emerging from the preliminary round.
Jones stole eight points in the first three ends en route to a 10-5 thumping of defending champion Chelsea Carey.
Manitoba’s Kerry Einarson doubled B.C.’s Corryn Brown 8-4.
Ontario’s Rachel Homan defeated Northern Ontario’s Krista McCarville 9-4.
Saskatchewan’s Robyn Silvernagle stole a point in the ninth and 10th ends edge Prince Edward Island’s Suzanne Birt 8-7.
McCarville, Silvernagle and Birth were even at 5-4. Carey and Brown both fell to 4-4.
The top four teams from each pool carried their round-robin records with them into the championship round, which will determine Saturday’s four Page playoff teams.
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The semifinal and final are Sunday at Mosaic Place.
Silvernagle and Brown won their respective Thursday morning tiebreakers to avoid elimination, but each faced a marathon day of three games.
Including the previous evening’s loss to Northern Ontario, the host province would play in four straight draws.
Saskatchewan claimed the final championship-round spot in Pool A beating New Brunswick’s Andrew Crawford 9-7 in a morning tiebreaker.
Crawford was light with her final throw of the extra end, giving Silvernagle the winning deuce.
Brown locked up the last berth in Pool B with a 5-4 tiebreaker win over Nova Scotia’s Mary-Anne Arsenault.