Britain's men's curlers missed out on the final in dramatic fashion as Finland beat them 4-3 with the final stone of their semi-final.
David Murdoch reflects on Britain's dramatic defeat
It means David Murdoch's team face USA in Friday's bronze medal play-off while Finland now meet Canada in the final.
Meanwhile, Sweden's Anja Paerson claimed her first Winter Games gold medal in the women's slalom.
Earlier, Swiss snowboarder Philipp Schoch edged out older brother Simon to retain his parallel giant slalom title.
His compatriot Evelyne Leu won the women's freestyle skiing aerials event.
There were shocks in the men's ice hockey quarter-finals with Russia beating defending champions Canada 2-0 and Finland knocking out the 2002 semi-finalists USA 4-3.
Sweden and Czech Republic also went through with respective wins over Switzerland and Slovakia.
Speed skater Cindy Klassen was crowned the women's 1,500m champion, while fellow Canadian Chandra Crawford won the women's cross-country sprint and Bjoern Lind of Sweden took gold in the men's event.
South Korea took gold in the women's 3,000m relay short track skating with Canada and Italy winning the other medals.
DAY 12 EVENTS
Britain's men's team missed out on the final in the most dramatic way possible when their semi-final with Finland went to the final stone of the final end.
With the match level at 3-3, Finland's skipper Markku Uusipaavalniemi produced the match-winning stone to take Finland into the final with Canada and leave Britain facing a bronze medal play-off with USA on Friday.
Canada beat USA 11-5 in the day's other semi-final match.
Sweden's Anja Paerson claimed the gold medal in the women's slalom which was run in thick fog.
The 24-year-old overall World Cup champion held on to her first-leg lead to beat Austrian Nicole Hosp by 0.29 seconds after clocking a combined time of one minute 29.04.
Hosp's team mate Marlies Schild took the bronze, leaving defending champion Janica Kostelic, of Croatia, without a medal for the first time in her last seven Olympic events.
Paerson's medal took Sweden's tally at the Games to 10, equalling their all-time record.
American Bode Miller twisted his right ankle playing basketball but should be fit for Saturday's slalom - the last alpine skiing event of the Games.
The overall World Cup champion came to Turin as a favourite in all five events but has so far failed to win a single medal.
Cindy Klassen of Canada won the women's 1,500m speed skating to take her Turin Games medal tally to four.
Klassen, who has already won two silvers and a bronze, clinched gold in a time of 1.55.27.
Compatriot Kristina Groves, whose stunning race of 1:56.27 saw her lead until Klassen's run, settled for silver, while Dutch threat Ireen Wust ended up third,
Defending Olympic champion Anni Friesinger from Germany and Dutch skater Marianne Timmer were left out of the medals.
In the short track skating, defending champions South Korea won gold in the women's 3,000m relay with silver going to Canada and bronze to hosts Italy.
There was mixed news for Britain in the heats of the men's 500m and the women's 1,000m with Jonathan Eley going through in the men's and Paul Stanley missing out and Sarah Lindsay also failing to qualify in the women's.
Philipp Schoch successfully defended his snowboarding title by edging out older brother Simon in the final of the men's parallel giant slalom.
Philipp beat World Cup leader Simon in the first run on the easier blue course and hung on in the second run when they switched sides to claim Switzerland's third gold at Turin.
Austria's Siegfried Grabner took bronze after France's Mathieu Bozzetto tumbled on the first run of the third/fourth play-off.
Russia beat defending champions Canada in the latest chapter of their rivalry to reach the ice hockey semi-finals.
Alexander Ovechkin opened the scoring 90 seconds into the third period and with netminder Evgeni Nabokov in superb form, Alex Kovalev hit the late second.
The Russians now meet Finland who beat the 2002 silver medallists USA 4-3, with Olli Jokinen scoring twice for the Finns.
Captain Mats Sundin scored two goals and Peter Forsberg added a pair of assists to guide Sweden to a 6-2 win over Switzerland.
And Martin Rucinsky scored a goal and had an assist as Czech Republic saw off previously unbeaten Slovakia 3-1.
Evelyne Leu of Switzerland prevailed in women's aerials freestyle skiing final at Sauze d'Oulx.
Leu clinched the gold medal with a total score of 202.55, edging out China's Li Nina by 5.16 points.
Australian Alisa Camplin, winner in 2002, claimed the bronze.
Earlier, compatriot Jacqui Cooper set a world record score of 213.36 in topping qualification, while team-mate Lydia Ierodiacanou collapsed after failing to complete a difficult series of turns.
She lay prone on the ground clutching her left knee before being stretchered off to hospital.
In cross-country skiing, Bjoern Lind gave Sweden their third cross-country skiing gold medal of the Turin Games with victory in the men's individual sprint.
Roddy Darragon of France produced a surprise personal best to take silver in the four-man final, while another Swede, Thobias Fredriksson, clinched bronze.
In the women's event, Chandra Crawford skating across the finish for Canada's first cross-country gold medal in the women's sprint.
The 22-year-old Crawford edged Claudia Kuenzel of Germany into silver, while Russia's Alena Sidko took the bronze.