64-679: The Colonial Square Ladies Classic is an annual women's curling tournament held at the Nutana Curling Club in Saskatoon , Saskatchewan . The tournament has run since 1983 and is part of the Women's World Curling Tour . From 2012 to 2014, the Colonial Square Classic was a Grand Slam event on the women's World Curling Tour. The event began in February 1983 as the "Mid-Winter Classic", and
128-423: A foreign object is called a pick-up or pick . The thrower starts from the hack . The thrower's gripper shoe (with the non-slippery sole) is positioned against one of the hacks; for a right-handed curler the right foot is placed against the left hack and vice versa for a left-hander. The thrower, now in the hack , lines the body up with shoulders square to the skip's broom at the far end for line . The stone
192-411: A player is not throwing, the player's slider shoe can be temporarily rendered non-slippery by using a slip-on gripper. Ordinary athletic shoes may be converted to sliders by using a step-on or slip-on Teflon slider or by applying electrical or gaffer tape directly to the sole or over a piece of cardboard. This arrangement often suits casual or beginning players. The gripper is worn by the thrower on
256-431: A rectangular area of ice, carefully prepared to be as flat and level as possible, 146 to 150 feet (45 to 46 m) in length by 14.5 to 16.5 feet (4.4 to 5.0 m) in width. The shorter borders of the sheet are called the backboards. A target, the house , is centred on the intersection of the centre line , drawn lengthwise down the centre of the sheet and the tee line , drawn 16 feet (4.9 m) from, and parallel to,
320-410: A sheet of ice toward a target area that is segmented into four concentric circles. It is related to bowls , boules , and shuffleboard . Two teams, each with four players, take turns sliding heavy, polished granite stones, also called rocks , across the ice curling sheet toward the house , a circular target marked on the ice. Each team has eight stones, with each player throwing two. The purpose
384-401: A violation by lights at the base of the handle (see delivery below). The eye on the hog eliminates human error and the need for hog line officials. It is mandatory in high-level national and international competition, but its cost, around US$ 650 each, currently puts it beyond the reach of most curling clubs. The curling broom , or brush , is used to sweep the ice surface in the path of
448-416: Is closer to the button. Two hog lines are drawn 37 feet (11 m) from, and parallel to, the backboard. The hacks , which give the thrower something to push against when making the throw, are fixed 12 feet (3.7 m) behind each button. On indoor rinks, there are usually two fixed hacks, rubber-lined holes, one on each side of the centre line, with the inside edge no more than 3 inches (76 mm) from
512-423: Is commonly used to enforce this rule. The sensor is in the handle of the stone and will indicate whether the stone was released before the near hog line. The lights on the stone handle will either light up green, indicating that the stone has been legally thrown, or red, in which case the illegally thrown stone will be immediately pulled from play instead of waiting for the stone to come to rest. The stone must clear
576-439: Is designed for the sliding foot and the "gripper shoe" (usually known as a gripper ) for the foot that kicks off from the hack. The slider is designed to slide and typically has a Teflon sole. It is worn by the thrower during delivery from the hack and by sweepers or the skip to glide down the ice when sweeping or otherwise traveling down the sheet quickly. Stainless steel and "red brick" sliders with lateral blocks of PVC on
640-435: Is extremely important. Large events, such as national/international championships, are typically held in an arena that presents a challenge to the ice maker, who must constantly monitor and adjust the ice and air temperatures as well as air humidity levels to ensure a consistent playing surface. It is common for each sheet of ice to have multiple sensors embedded in order to monitor surface temperature, as well as probes set up in
704-407: Is placed in front of the foot now in the hack. Rising slightly from the hack, the thrower pulls the stone back (some older curlers may actually raise the stone in this backward movement) then lunges smoothly out from the hack pushing the stone ahead while the slider foot is moved in front of the gripper foot, which trails behind. The thrust from this lunge determines the weight , and hence the distance
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#1732927912969768-407: Is rare now to see a curler using a corn broom on a regular basis. Curling brushes may have fabric, hog hair, or horsehair heads. Modern curling brush handles are usually hollow tubes made of fibreglass or carbon fibre instead of a solid length of wooden dowel . These hollow tube handles are lighter and stronger than wooden handles, allowing faster sweeping and more downward force to be applied to
832-504: Is to accumulate the highest score for a game ; points are scored for the stones resting closest to the centre of the house at the conclusion of each end , which is completed when both teams have thrown all of their stones once. A game usually consists of eight or ten ends. Players induce a curved path, described as curl , by causing the stone to slowly rotate as it slides. The path of the rock may be further influenced by two sweepers with brooms or brushes, who accompany it as it slides down
896-570: The Rink Rat , also became common later during this time period. Prior to the late sixties, Scottish curling brushes were used primarily by some of the Scots , as well as by recreational and elderly curlers, as a substitute for corn brooms, since the technique was easier to learn. In the late sixties, competitive curlers from Calgary , Alberta, such as John Mayer, Bruce Stewart, and, later, the world junior championship teams skipped by Paul Gowsell , proved that
960-671: The Royal Caledonian Curling Club (founded as the Grand Caledonian Curling Club in 1838) as developing the first official rules for the sport. However, although not written as a "rule book", this is preceded by Rev James Ramsay of Gladsmuir , a member of the Duddingston Curling Club, who wrote An Account of the Game of Curling in 1811, which speculates on its origin and explains the method of play. In
1024-760: The World Curling Federation in Perth , which originated as a committee of the Royal Caledonian Curling Club, the mother club of curling. In the 19th century, several private railway stations in the United Kingdom were built to serve curlers attending bonspiels , such as those at Aboyne , Carsbreck , and Drummuir . Today, the sport is most firmly established in Canada , having been taken there by Scottish emigrants . The Royal Montreal Curling Club ,
1088-496: The lead ) throws, the players not delivering (the second and third ) sweep (see Sweeping , below). When the skip throws, the vice-skip takes their role. The skip , or the captain of the team, determines the desired stone placement and the required weight , turn , and line that will allow the stone to stop there. The placement will be influenced by the tactics at this point in the game, which may involve taking out, blocking, or tapping another stone. The skip may communicate
1152-462: The preface and the verses of a poem by Henry Adamson . The sport was (and still is, in Scotland and Scottish-settled regions like southern New Zealand) also known as "the roaring game" because of the sound the stones make while traveling over the pebble (droplets of water applied to the playing surface). The verbal noun curling is formed from the Scots (and English) verb curl , which describes
1216-418: The weight , turn , line, and other tactics by calling or tapping a broom on the ice. In the case of a takeout, guard, or a tap, the skip will indicate the stones involved. Before delivery, the running surface of the stone is wiped clean and the path across the ice swept with the broom if necessary, since any dirt on the bottom of a stone or in its path can alter the trajectory and ruin the shot. Intrusion by
1280-469: The "thinking time" system, in which the delivering team's game timer stops as soon as the shooter's rock crosses the t-line during the delivery, is becoming more popular, especially in Canada. This system allows each team 38 minutes per 10 ends, or 30 minutes per 8 ends, to make strategic and tactical decisions, with 4 minutes and 30 seconds an end for extra ends. The "thinking time" system was implemented after it
1344-472: The 1998 Olympics, Canada has dominated the sport with their men's teams winning gold in 2006 , 2010 , and 2014 , and silver in 1998 and 2002 . The women's team won gold in 1998 and 2014 , a silver in 2010 , and a bronze in 2002 and 2006. The mixed doubles team won gold in 2018 . The playing surface or curling sheet is defined by the World Curling Federation Rules of Curling. It is
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#17329279129691408-471: The Canada Curling Stone Company, which has been producing stones since 1992 and supplied the stones for the 2002 Winter Olympics . A handle is attached by a bolt running vertically through a hole in the centre of the stone. The handle allows the stone to be gripped and rotated upon release; on properly prepared ice the rotation will bend ( curl ) the path of the stone in the direction in which
1472-727: The Winter Olympics since Chamonix in 1924 and has been the exclusive manufacturer of curling stones for the Olympics since the 2006 Winter Olympics . Trefor granite comes from the Yr Eifl or Trefor Granite Quarry in the village of Trefor on the north coast of the Llŷn Peninsula in Gwynedd , Wales and has produced granite since 1850. Trefor granite comes in shades of pink, blue, and grey. The quarry supplies curling stone granite exclusively to
1536-467: The action of repeatedly freezing water from eroding the stone. Ailsa Craig Common Green is a lesser quality granite than Blue Hone . In the past, most curling stones were made from Blue Hone , but the island is now a wildlife reserve, and the quarry is restricted by environmental conditions that exclude blasting. Kays of Scotland has been making curling stones in Mauchline, Ayrshire, since 1851 and has
1600-444: The backboard. These lines divide the house into quarters. The house consists of a centre circle (the button ) and three concentric rings, of diameters 4, 8, and 12 feet, formed by painting or laying a coloured vinyl sheet under the ice and are usually distinguished by colour. A stone must at least touch the outer ring in order to score (see Scoring below); otherwise, the rings are merely a visual aid for aiming and judging which stone
1664-408: The basic technical aspects of curling is knowing when to sweep. When the ice in front of the stone is swept, a stone will usually travel both further and straighter, and in some situations one of those is not desirable. For example, a stone may be traveling too fast (said to have too much weight), but require sweeping to prevent curling into another stone. The team must decide which is better: getting by
1728-421: The broom head with reduced shaft flex. In 2014, new "directional fabric" brooms were introduced, which could influence the path of a curling stone better than the existing brooms. Concerns arose that these brooms would alter the fundamentals of the sport by reducing the level of skill required and giving players an unfair advantage; at least thirty-four elite teams signed a statement pledging not to use them. This
1792-402: The centre line and the front edge on the hack line. A single moveable hack may also be used. The ice may be natural, but is usually frozen by a refrigeration plant pumping a brine solution through numerous pipes fixed lengthwise at the bottom of a shallow pan of water. Most curling clubs have an ice maker whose main job is to care for the ice. At the major curling championships, ice maintenance
1856-453: The curling brush could be just as (or more) effective without all the blisters common to corn broom use. During that time period, there was much debate in competitive curling circles as to which sweeping device was more effective: brush or broom. Eventually, the brush won out with the majority of curlers making the switch to the less costly and more efficient brush. Today, brushes have replaced traditional corn brooms at every level of curling; it
1920-530: The early 16th century includes a curling stone inscribed with the date 1511 found (along with another bearing the date 1551) when an old pond was drained at Dunblane, Scotland . The world's oldest curling stone and the world's oldest football are now kept in the same museum (the Stirling Smith Art Gallery and Museum ) in Stirling . The first written reference to a contest using stones on ice coming from
1984-419: The early history of curling, the playing stones were simply flat-bottomed stones from rivers or fields, which lacked a handle and were of inconsistent size, shape, and smoothness. Some early stones had holes for a finger and the thumb, akin to ten-pin bowling balls . Unlike today, the thrower had little control over the 'curl' or velocity and relied more on luck than on precision, skill, and strategy. The sport
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2048-585: The exclusive rights to the Ailsa Craig granite, granted by the Marquess of Ailsa , whose family has owned the island since 1560. According to the 1881 Census , Andrew Kay employed 30 people in his curling stone factory in Mauchline. The last harvest of Ailsa Craig granite by Kays took place in 2013, after a hiatus of 11 years; 2,000 tons were harvested, sufficient to fill anticipated orders through at least 2020. Kays have been involved in providing curling stones for
2112-440: The far hog line or else be removed from play ( hogged ); an exception is made if a stone fails to come to rest beyond the far hog line after rebounding from a stone in play just past the hog line. After the stone is delivered, its trajectory is influenced by the two sweepers under instruction from the skip. Sweeping is done for several reasons: to make the stone travel further, to decrease the amount of curl, and to clean debris from
2176-413: The foot that kicks off from the hack during delivery and is designed to grip the ice. It may have a normal athletic shoe sole or a special layer of rubbery material applied to the sole of a thickness to match the sliding shoe. The toe of the hack foot shoe may also have a rubberised coating on the top surface or a flap that hangs over the toe to reduce wear on the top of the shoe as it drags on the ice behind
2240-505: The front edge of the stone is turning, especially as the stone slows. Handles are coloured to identify each team, two popular colours in major tournaments being red and yellow. In competition, an electronic handle known as the Eye on the Hog may be fitted to detect hog line violations. This electronically detects whether the thrower's hand is in contact with the handle as it passes the hog line and indicates
2304-442: The games only eight ends. Most tournaments on that tour are eight ends, as are the vast majority of recreational games. In international competition, each side is given 73 minutes to complete all of its throws. Each team is also allowed two minute-long timeouts per 10-end game. If extra ends are required, each team is allowed 10 minutes of playing time to complete its throws and one added 60-second timeout for each extra end. However,
2368-401: The motion of the stone. Kilsyth Curling Club claims to be the first club in the world, having been formally constituted in 1716; it is still in existence today. Kilsyth also claims the oldest purpose-built curling pond in the world at Colzium , in the form of a low dam creating a shallow pool some 100 by 250 metres (330 by 820 ft) in size. The International Olympic Committee recognises
2432-544: The oldest established sports club still active in North America , was established in 1807. The first curling club in the United States was established in 1830, and the sport was introduced to Switzerland and Sweden before the end of the 19th century, also by Scots. Today, curling is played all over Europe and has spread to Brazil, Japan, Australia, New Zealand, China, and Korea. The first world championship for curling
2496-562: The other stone, but traveling too far, or hitting the stone. Colzium Colzium House and Estate (pronounced Coal-Zee-Um) is about 500 metres to the north-east of Kilsyth , North Lanarkshire , Scotland. The present house dates from 1783 and was extended and modernised in 1861. The name may mean "defile leap". W Mackay Lennox bought Colzium House and its policies in 1930 and in 1937, on his retiral as Town Clerk, he presented them to Kilsyth Burgh, in memory of his mother. The house and estate are principally used for public recreation, as
2560-462: The pebbled ice. The pebble, along with the concave bottom of the stone, decreases the friction between the stone and the ice, allowing the stone to travel further. As the stone moves over the pebble, any rotation of the stone causes it to curl , or travel along a curved path. The amount of curl (commonly referred to as the feet of curl ) can change during a game as the pebble wears; the ice maker must monitor this and be prepared to scrape and re-pebble
2624-513: The point where the driveway turns sharp left to Tak-Ma-Doon Road. The first building here was a large L-plan castle built by the Livingstons of Callendar in the mid-15th century to replace the ancient motte . A substantial hall block was added in 1575. The castle was demolished by the 3rd Viscount of Kilsyth in 1703, immediately prior to his accession to the title. The family lost the estate due to their Jacobite sympathies, and it then became
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2688-668: The property of the Edmonstone family from Duntreath . There is an ice house c. 1680 in the glen of the Colzium Burn which was excavated in 1977 and may still be viewed. The estate also contains the oldest curling ponds in the world. Kilsyth Curling Club , the world's first recorded curling club, was founded in Kilsyth in 1716. The Battle of Kilsyth (1645) in the Wars of the Three Kingdoms
2752-418: The purpose. Central Canadian curlers often used 'irons' rather than stones until the early 1900s; Canada is the only country known to have done so, while others experimented with wood or ice-filled tins. Outdoor curling was very popular in Scotland between the 16th and 19th centuries because the climate provided good ice conditions every winter. Scotland is home to the international governing body for curling,
2816-627: The records of Paisley Abbey , Renfrewshire , in February 1541. Two paintings, " Winter Landscape with a Bird Trap " and " The Hunters in the Snow " (both dated 1565) by Pieter Bruegel the Elder , depict Flemish peasants curling, albeit without brooms; Scotland and the Low Countries had strong trading and cultural links during this period, which is also evident in the history of golf . The word curling first appears in print in 1620 in Perth, Scotland , in
2880-422: The seating area (to monitor humidity) and in the compressor room (to monitor brine supply and return temperatures). The surface of the ice is maintained at a temperature of around 23 °F (−5 °C). A key part of the preparation of the playing surface is the spraying of water droplets onto the ice, which form pebble on freezing. The pebbled ice surface resembles an orange peel, and the stone moves on top of
2944-496: The sheet and sweep the ice in front of the stone. "Sweeping a rock" decreases the friction, which makes the stone travel a straighter path (with less curl) and a longer distance. A great deal of strategy and teamwork go into choosing the ideal path and placement of a stone for each situation, and the skills of the curlers determine the degree to which the stone will achieve the desired result. Evidence that curling existed in Scotland in
3008-433: The sole are also available as alternatives to Teflon. Most shoes have a full-sole sliding surface, but some shoes have a sliding surface covering only the outline of the shoe and other enhancements with the full-sole slider. Some shoes have small disc sliders covering the front and heel portions or only the front portion of the foot, which allow more flexibility in the sliding foot for curlers playing with tuck deliveries. When
3072-499: The stone (see sweeping ) and is also often used as a balancing aid during delivery of the stone. Prior to the 1950s, most curling brooms were made of corn strands and were similar to household brooms of the day. In 1958, Fern Marchessault of Montreal inverted the corn straw in the centre of the broom. This style of corn broom was referred to as the Blackjack . Artificial brooms made from human-made fabrics rather than corn, such as
3136-443: The stone in contact with the ice is the running surface , a narrow, flat annulus or ring, 6.4 to 12.7 millimetres ( 1 ⁄ 4 to 1 ⁄ 2 in) wide and about 130 millimetres (5 in) in diameter; the sides of the stone bulge convex down to the ring, with the inside of the ring hollowed concave to clear the ice. This concave bottom was first proposed by J. S. Russell of Toronto, Ontario, Canada sometime after 1870, and
3200-457: The stone will travel. Balance may be assisted by a broom held in the free hand with the back of the broom down so that it slides. One older writer suggests the player keep "a basilisk glance" at the mark. There are two common types of delivery currently, the typical flat-foot delivery and the Manitoba tuck delivery where the curler slides on the front ball of their foot. When the player releases
3264-430: The stone's path. Sweeping is able to make the stone travel further and straighter by slightly melting the ice under the brooms, thus decreasing the friction as the stone travels across that part of the ice. The stones curl more as they slow down, so sweeping early in travel tends to increase distance as well as straighten the path, and sweeping after sideways motion is established can increase the sideways distance. One of
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#17329279129693328-413: The stone, a rotation (called the turn) is imparted by a slight clockwise or counter-clockwise twist of the handle from around the two or ten o'clock position to the twelve o'clock on release. A typical rate of turn is about 2 + 1 ⁄ 2 rotations before coming to a rest. The stone must be released before its front edge crosses the near hog line. In major tournaments, the " Eye on the Hog " sensor
3392-522: The surface prior to each game. The curling stone (also sometimes called a rock in North America) is made of granite and is specified by the World Curling Federation, which requires a weight between 19.96 and 17.24 kilograms (44 and 38 lb), a maximum circumference of 914 millimetres (36 in), and a minimum height of 114 millimetres ( 4 + 1 ⁄ 2 in). The only part of
3456-456: The thrower. Other types of equipment include: The purpose of a game is to score points by getting stones closer to the house centre, or the "button", than the other team's stones. Players from either team alternate in taking shots from the far side of the sheet. An end is complete when all eight rocks from each team have been delivered, a total of sixteen stones. If the teams are tied at the end of regulation, often extra ends are played to break
3520-539: The tie. The winner is the team with the highest score after all ends have been completed (see Scoring below). A game may be conceded if winning the game is infeasible. International competitive games are generally ten ends, so most of the national championships that send a representative to the World Championships or Olympics also play ten ends. However, there is a movement on the World Curling Tour to make
3584-458: The time was played outdoors, were retroactively awarded for the 1924 Winter Games, with the gold medal won by Great Britain, two silver medals by Sweden, and the bronze by France. A demonstration tournament was also held during the 1932 Winter Olympic Games between four teams from Canada and four from the United States, with Canada winning 12 games to 4. Since the sport's official addition in
3648-406: The venue for the annual Kilsyth International Carnival in mid August, an "Italian Picnic" – a gathering of Italian/Scottish families, and functions such as weddings and parties. There is also a fine walled garden and a small theatre, the "clock theatre". A children's adventure playground has been opened. The estate still contains the ruins of Colzium Castle just 100 metres north of Colzium House at
3712-528: Was billed as the "richest women's bonspiel in the world". However, it failed to attract the top names in women's curling due to competition with the Tournament of Hearts and mixed playdowns, so the event was moved to November in 1984. Despite being moved to the Fall, it kept the "Mid-Winter" name until Labatt's Lite sponsored the event in 1987. Curling Curling is a sport in which players slide stones on
3776-406: Was dubbed the broomgate controversy . The new brooms were temporarily banned by the World Curling Federation and Curling Canada for the 2015–2016 season. Since 2016, only one standardized brush head is approved by the World Curling Federation for competitive play. Curling shoes are similar to ordinary athletic shoes except for special soles; the slider shoe (usually known as a "slider")
3840-488: Was held for the first time in 2018 ). In February 2002, the International Olympic Committee retroactively decided that the curling competition from the 1924 Winter Olympics (originally called Semaine des Sports d'Hiver , or International Winter Sports Week) would be considered official Olympic events and no longer be considered demonstration events. Thus, the first Olympic medals in curling , which at
3904-692: Was limited to men and was known as the Scotch Cup , held in Falkirk and Edinburgh , Scotland , in 1959. The first world title was won by the Canadian team from Regina, Saskatchewan , skipped by Ernie Richardson . (The skip is the team member who calls the shots; see below.) Curling has been a medal sport in the Winter Olympic Games since the 1998 Winter Olympics . It currently includes men's, women's, and mixed doubles tournaments (the mixed doubles event
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#17329279129693968-508: Was often played on frozen rivers although purpose-built ponds were later created in many Scottish towns. For example, the Scottish poet David Gray describes whisky-drinking curlers on the Luggie Water at Kirkintilloch . In Darvel , East Ayrshire , the weavers relaxed by playing curling matches using the heavy stone weights from the looms' warp beams , fitted with a detachable handle for
4032-414: Was recognized that using shots which take more time for the stones to come to rest was being penalized in terms of the time the teams had available compared to teams which primarily use hits which require far less time per shot. The process of sliding a stone down the sheet is known as the delivery or throw . Players, with the exception of the skip, take turns throwing and sweeping; when one player (e.g.,
4096-633: Was subsequently adopted by Scottish stone manufacturer Andrew Kay. The granite for the stones comes from two sources: Ailsa Craig , an island off the Ayrshire coast of Scotland, and the Trefor Granite Quarry, North of the Llŷn Peninsula , Gwynedd in Wales . These locations provide four variations in colour known as Ailsa Craig Common Green , Ailsa Craig Blue Hone , Blue Trefor and Red Trefor . Blue Hone has very low water absorption, which prevents
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