"Wickets) or bullseye (4 wickets). The beauty of the game is that once a player loses four wickets, they must throw one of their three darts with their non darts hand, losing six wickets means 2 darts with weak hand, and when 8 wickets are down all three must be thrown with the weak arm. This creates a real tension in run chases and can make for unbelievably tense finishes. Cricket (darts) Cricket is a darts game that uses the standard 20 number dartboard with the triple and double rings. It is known by various names in Britain, including ""Mickey"
"a tree. An old name for a dartboard is ""butt""; the word comes from the French word ""but"", meaning ""target"". In particular, the Yorkshire and Manchester Log End boards differ from the standard board in that they have no triple, only double and bullseye, the Manchester board being of a smaller diameter, with a playing area of only 25 cm (9.84 in) across with double and bull areas measuring just 4 mm (0.157in.). The London Fives board is another variation. This has only 12 equal segments numbered 20, 5, 15, 10, 20, 5, 15, 10, 20, 5, 15, 10 with"
"been used throughout the years and in different geographical locations. Gamlin's layout was devised to penalise inaccuracy. Although this applies to most of the board, the left-hand side (near the 14 section) is preferred by beginners, for its concentration of larger numbers. Mathematically, removing the rotational symmetry by placing the ""20"" at the top, there are 19!, or 121,645,100,408,832,000 possible dartboards. Many different layouts would penalise a player more than the current setup; however, the current setup actually does the job rather efficiently. There have been several mathematical papers published that consider the ""optimal"" dartboard. Initially the missiles were simply"
"numbers on the board minus the bulls-eye, the numbers 15 through 20 and the bull's-eye, or random number selections. Like with most dart games, 3 darts are thrown each turn per player. If teams are used, turns alternate between opposing players, i.e. Team 1, Player 1 -> Team 2, Player 1 -> Team 1, Player 2 -> Team 2, Player 2, etc. Numbers can be closed in the standard fashion i.e. hitting a single 3 times, hitting a double and a single, hitting a triple, etc. A closing variation, when using only the numbers 1-20, is a single hit on"
"is uncolored, the double ring is red, and the outermost triple ring is uncolored. The entire scoring area is bounded by a large out-of-bounds blue ring. The number sequence (20, 1, 18, 4, etc.) is the same as on an English dart board. An ""American"" board is mounted a few inches lower, and a few inches closer, than the more commonly seen ""English"" board. The center of the cork is from the floor. The distance is set at from the ""back"" of the dartboard. This would result in a distance of from the center of the cork to the throw"
"501 total, in the following way: This eliminates the chance of any dart being deflected by an already thrown dart into the wrong scoring area by throwing each dart at a different location on the board. It is only usually seen in exhibition matches, as in tournaments, players are inclined to aim for the triple 20, only switching to the triple 19 for a cover shot. Arguably the most difficult nine dart finish would be 180 (3xT20), 171 (3xT19), and 150 (3xBULL) – owing to the difficulty of getting all three darts in the bullseye: it is the smallest double"
"in 2016), and ""bullseye"" for £50 (from the points value of the bullseye on a darts board) . £5 is called a ""fiver"". A ""tenner"" is £10. A ""Darwin"" also refers to a £10 note, due to the image of Charles Darwin on the back. £20 is commonly referred to as a “score”. A ""pony"" equals £25. A ""bullseye"" is £50. £100 is commonly referred to as a ""ton"" e.g. £400 would be called 4 ton. Also, a ""century"" or a ""bill"" are also used as £100 (e.g. £300 would be three bills). A ""monkey"" is £500. £1,000 is commonly"
"20, they would be scored as zero. Once a player establishes a poor number, the best strategy for the remainder of the inning is to just shoot at the 100-point cork, since even three darts in triple 1 would score only nine points. If the first dart does not land in one of the 20 scoring numbers (either misses the board completely, or hits the 100-point cork), the ""number"" is not yet established for that inning, and the shooter is still free to score in any of the 20 numbers on the second dart (likewise for the third dart, if"
"target count as two marks in one throw, and on the triples ring as three. Once opened in this manner, until the opponent ""closes"" that number with three marks on it of their own, each additional hit by the owner/opener scores points equal to the number of the target (which may also be doubled and tripled, e.g. a triple-20 is worth 60 points). The outer bullseye counts as 25 points, and the inner as 50. Dartball is a darts game based on the sport of baseball. It is played on a diamond shaped board and has similar scoring to baseball."
"man. Distance - the oche (line behind which the thrower must stand) should be 7 ft 9¼ inches (2.37 m) from the face of the board. If the face projects outward from the wall, due to the thickness of the board and/or a cabinet in which it is mounted, the oche must be moved back appropriately to maintain the required distance. The regulations came about due to the United Kingdom and the rest of the world playing at different lengths, with 7 ft 9¼ inches (2.37 m) being the compromised length. The standard dartboard is divided into 20 numbered sections,"
"""zuboshi"". In darts it is 5 foot 8 inches (1.73m) above the floor. Before the start of a match players usually throw closest to the bull to decide who has the advantage of throwing first. An inner bullseye (sometimes referred to as a ""double bullseye"" in amateur play) is a smaller, inner circle and counts for 50 points while an outer bull is worth 25 points. Two treble 20s when combined with an inner bullseye is worth 170 points in darts which is the second highest possible checkout. In the World Grand Prix, which has a double start format, an"
"of assigning a meet and join operation to a set of ten unlabeled elements in order to give them the structure of a lattice, and exactly 222 different six-edge polysticks. 222 (number) 222 (two hundred [and] twenty-two) is the natural number following 221 and preceding 223. It is a decimal repdigit and a strobogrammatic number (meaning that it looks the same turned upside down on a calculator display). It is one of the numbers whose digit sum in decimal is the same as it is in binary. 222 is a noncototient, meaning that it cannot be written in the form"
"both the first two darts do not land in any of the 20 numbers). Since the first dart sets the number, players will sometimes shun shooting at the 20, since a small miss will result in either a 1 or a 5 being set as the number. Often two adjacent numbers with solid values, such as 11/14 and 10/15 are chosen by lower-skilled players, since a small miss there does not result is such a large penalty (if you miss the 14 you'll still land in the 11, etc.). The maximum score in an inning is 300 points (3 corks)."
"dart, and 40 is a much more desirable score than 2, due to the effects of missing. A common miss when aiming at the double ring is to hit a single instead and accidentally halve one's score. Given a score of 22 — a singly even number — one has a game shot for double 11. If one hits single 11, the new score is 11, which is odd, and it will take at least two further darts to recover. By contrast, when shooting for double 12, one may make the same mistake but still have 3 game shots in"
"was the Harrows Quadro 240. Assuming standard scoring, the optimal area to aim for on the dart board in order to maximize the player's score varies significantly based on the player's skill. The skilled player should aim for the centre of the T20, and as the player's skill decreases, their aim moves slightly up and to the left of the T20. At σ = 16.4 mm the best place to aim jumps to the T19. As the player's skill decreases further, the best place to aim curls into the centre of the board, stopping a bit lower than and to"
"scoring from 1 to 20 points, by wires running from the small central circle to the outer circular wire. Circular wires within the outer wire subdivide each section into single, double and triple areas. The dartboard featured on the ""Indoor League"" television show of the 1970s did not feature a triple section, and according to host Fred Trueman during the first episode, this is the traditional Yorkshire board. Various games can be played (and still are played informally) using the standard dartboard. However, in the official game, any dart landing inside the outer wire scores as follows: The highest score"
"possible with three darts is 180, commonly known as a ""ton 80"" (100 points is called a ton), obtained when all three darts land in the triple 20. In the televised game, the referee frequently announces a score of 180 in exuberant style. A ""quad"" ring appeared briefly between the triple ring and the bull in the 1990s, leading to a potential ""240"" maximum (three quad-20s), a ""210"" maximum checkout (Q20-Q20-Bull) and ""seven"" dart finishes from a 501 start (five quad-20s, triple-17, bullseye), but was swiftly dropped from professional tournament play after only two years. One make of this board"
"the doubles and trebles being a quarter of an inch (6.35mm) wide. There is a speculation that the game originated among soldiers throwing short arrows at the bottom of a cask or at the bottom of trunks of trees. As the wood dried, cracks would develop, creating ""sections"". Soon, regional standards emerged, and many woodworkers supplemented bar tabs by fabricating dart boards for the local pubs. It is generally said that the standard numbering plan with a 20 on top was created in 1896 by Lancashire carpenter Brian Gamlin, though this is disputed. However, a great many other configurations have"
"bounce off from hitting the steel. The scoring areas on an American Darts board are also laid out differently from an English board. The center bullseye (or cork) on an American board is one section; there is no ""inner"" and ""outer"" bullseye. Additionally, unlike the English board, the treble ring is not halfway between the outer edge and the bullseye; rather triple is itself on the outer edge, and the double ring is directly adjacent to it, just inside the triple ring. The remainder of the board is the single scoring area. The bullseye is colored red, the single area"
"be scored for the remainder of the inning (with the exception of the center cork, which is always in play, regardless of the set ""number""); the other nineteen numbers on the board are worth zero points for the remainder of the shooter's inning. So if a player throws his or her first dart at 20, in order to score the maximum possible points, but he or she misses and it lands in the 1 area, that player has established 1 as their number for their second and third darts. Thus, even if the last two darts were to land in"
"the end of the game. Six rounds of darts, the first five are scored at their value (missing the board is 30 points), while the sixth round is one dart that subtracts from the current total. Objective is to be the first team to reach a score of 150, with only 1-12 counting towards a player's score. Doubles and triples of 1-12 still count, though throws must single in and out. Scoring a bullseye (an ice breaker) will put everyone’s score back to zero. Only three ice breakers can be scored per game. Of the two professional organisations, the British"
"8. Bb5+ Kf8! Black exchanges off his , but does not allow White to do the same. 9. Bxg5 Qxg5 10. h4 Qe7 11. Be2 h5 12. a4 g6 13. g3 Kg7 14. 0-0 Nh6 15. Nd1 Nd7 16. Ne3 Rhf8 17. a5 f5 18. exf5 e4! 19. Qg2 Nxf5 20. Nxf5+ Rxf5 21. a6 b6 22. g4? hxg4 23. Bxg4 Rf4 24. Rae1 Ne5! 25. Rxe4 Rxe4 26. Qxe4 Qxh4 27. Bf3 Rf8!! 28. Bh1 28.Qxh4? Nxf3+ and 29...Nxh4 leaves Black a piece ahead. 28... Ng4 29. Qg2 (first diagram) Rf3!! 30. c4 Kh6!! (second diagram) Now all of"
"the left of the bullseye at σ = 100. Where σ may refer to the standard deviation for a specific population: List of darts players. There are many games that can be played on a dartboard, but the term ""darts"" generally refers to a game in which one player at a time throws three darts per visit to the board. The throwing player must stand so that no portion of his/her feet extends past the leading edge of the oche, but may stand on any other portion and/or lean forward over it if desired. The most common objective is to"
"diagonally. All references to squares refer to the dark squares only. The main differences from English draughts are: the size of the board (10×10), pieces can also capture backward (not only forward), the long-range moving and capturing capability of kings known as flying, and the requirement that the maximum number of men be captured whenever a player has capturing options. These are extra rules accommodated in some tournaments and may vary: Each of the fifty dark squares has a number (1 through 50). Number 46 is at the left corner seen from the player with the light pieces. Number 5"
"pawn. At the end, Fischer's pieces coordinate to checkmate, while Byrne's queen sits useless on the other side of the board. White: Donald Byrne Black: Bobby Fischer Opening: Grünfeld Defence (""ECO"" D92) 1. Nf3 1... Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. Bf4 d5 6. Qb3 6... dxc4 7. Qxc4 c6 8. e4 Nbd7 9. Rd1 Nb6 10. Qc5 10... Bg4 11. Bg5 11... Na4 12. Qa3 Nxc3 13. bxc3 Nxe4 14. Bxe7 Qb6 15. Bc4 15... Nxc3! 16. Bc5 Rfe8+ 17. Kf1 17... Be6!! 18. Bxb6? 18... Bxc4+ 19. Kg1 Ne2+ 20. Kf1 Nxd4+ 21."
"barrel of another scores no points at all. It is considered the same as if it missed the board. One notable etiquette difference from traditional ""English"" style darts is that in American Darts, each player leaves the thrown darts in the board for the next player, rather than retrieving them. This is done for several practical reasons: The standard game is Baseball (also known as ""1 to 9""). Players take turns shooting three darts at each inning. They begin with inning number one and continue in order until they have shot nine innings. Darts landing in the thin uncolored outermost"
"202 (number) 202 (two hundred [and] two) is the natural number following 201 and preceding 203. 202 is a Smith number, meaning that its digit sum and the sum of digits of its prime factors are equal. It is also a strobogrammatic number, meaning that when shown on a seven-segment display, turning the display upside-down shows the same number. There are exactly 202 partitions of 32 (a power of two) into smaller powers of two. There are also 202 distinct (non-congruent) polygons that can be formed by connecting all eight vertices of a regular octagon into a cycle, and 202"
"distinct (non-isomorphic) directed graphs on four unlabeled vertices, not having any isolated vertices. 202 (number) 202 (two hundred [and] two) is the natural number following 201 and preceding 203. 202 is a Smith number, meaning that its digit sum and the sum of digits of its prime factors are equal. It is also a strobogrammatic number, meaning that when shown on a seven-segment display, turning the display upside-down shows the same number. There are exactly 202 partitions of 32 (a power of two) into smaller powers of two. There are also 202 distinct (non-congruent) polygons that can be formed by"
"the start of their go could miss the double 10 and get a single, miss the double 5 and get a single, leaving them 5 and only one dart remaining. Their best option is to deliberately bust it to get back onto double 10. Under the ""northern bust"" they would remain on 5. A darts match is played over a fixed number of games, known as legs. A match may be divided into sets, with each set being contested as over a fixed number of legs. Although playing straight down from 501 is standard in darts, sometimes a double must"
"Mathematician David Singmaster had ""rashly conjectured"" this number to be 20 in 1980. Some well known games with a very limited set of simple well-defined rules and moves have nevertheless never had their God's algorithm for a winning strategy determined. Examples are the board games chess and Go. Both these games have a rapidly increasing number of positions with each move. The total number of all possible positions, approximately 10 for chess and 10 (on a 19×19 board) for Go, is much too large to allow a brute force solution with current computing technology (compare the now solved, with great"
"over the largest American Dart tournaments. This includes the annual Pennsylvania State Dart Tournament, the largest American Darts event. Strikeout is a common game played in the region, but can be played just as easily on a traditional board as on an American Style board. The game is for individual players or teams. To start, each team throws one dart at the cork (or bullseye). Whichever team is closest to the center shoots first, the next closest team will shoot second, etc. The first player shoots three darts, scoring the in standard ""traditional"" manner. Thus, a triple 20 is worth"
"Dart golf is a darts game based on the sport of golf and is regulated by the World Dolf Federation (WDFF). It is played on both special golf dartboards and traditional dartboards. Scoring is similar to golf. This is a regional variant still played in some parts of the East End of London. The board has fewer, larger segments, all numbered either 5, 10, 15 or 20. Players play down from 505 rather than 501, and stand the farthest () away from the board of any mainstream variation. “Halve it” is a darts game popular in the United Kingdom and"
"21 (number) 21 (twenty-one) is the natural number following 20 and preceding 22. 21 is: Note that a necessary condition for ""n"" is that for any ""a"" coprime to ""n"", ""a"" and ""n"" - ""a"" must satisfy the condition above, therefore at least one of ""a"" and ""n"" - ""a"" must only have factor 2 and 5. Let formula_3 donate the quantity of the numbers smaller than ""n"" that only have factor 2 and 5 and that are coprime to ""n"", we instantly have formula_4. We can easily see that for sufficiently large ""n"", formula_5, but formula_6, formula_7 as ""n"""