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Rhumb Line (board Game)
''Rhumb Line'' is a two-player abstract strategy board game by Martin H. Samuel, played with glass pieces on mousepad-type material, using placement and point accumulation to win. The game board and instructions have a nautical theme, based in part on the concept of the rhumb line and historic games played by sailors. ''Rhumb Line II'' is a 50-page note pad travel version played with a blue and a yellow pen. An iPhone app version was produced in 2010 and is no longer available. Components *Compass rose game board *20 Officer (yellow) and 20 sailor (blue) glass pieces (extra pieces are provided for each player) *Velour pouch *Instructions Objective The goal of the game is to out-navigate the opposition and achieve victory by placing nuggets on the board to build and/or block point-scoring "rhumb line" combinations of radii, arcs and spirals. Gameplay The ''Rhumb Line'' game board consists of a compass rose with 32 marked points with a score-keeping "ladder" on either end. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tactic (method)
A tactic is a conceptual action or short series of actions with the aim of achieving a short-term goal. This action can be implemented as one or more specific tasks. The term is commonly used in business, protest and military contexts, as well as in chess, sports or other Competition, competitive activities. The word originated from the Ancient Greek ''taktike'', meaning ''art of arrangement''. Distinction from strategy A strategy is a set of guidelines used to achieve an overall objective, whereas tactics are the specific actions aimed at adhering to those guidelines. Military usage In military usage, a military tactic is used by a military unit of no larger than a Division (military), division to implement a specific mission and achieve a specific objective, or to advance toward a specific Targeting (warfare), target. The terms tactic and strategy are often confused: tactics are the actual means used to gain an objective, while strategy is the overall campaign plan, which may ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sailor
A sailor, seaman, mariner, or seafarer is a person who works aboard a watercraft as part of its crew, and may work in any one of a number of different fields that are related to the operation and maintenance of a ship. The profession of the sailor is old, and the term ''sailor'' has its etymological roots in a time when sailing ships were the main mode of transport at sea, but it now refers to the personnel of all watercraft regardless of the mode of transport, and encompasses people who operate ships professionally, be it for a military navy or civilian merchant navy, as a sport or recreationally. In a navy, there may be further distinctions: ''sailor'' may refer to any member of the navy even if they are based on land; while ''seaman'' may refer to a specific enlisted rank. Professional mariners Seafarers hold a variety of professions and ranks, each of which carries unique responsibilities which are integral to the successful operation of an ocean-going vessel. A ship's c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Abstract Strategy Games
An abstract strategy game is a board, card or other game where game play includes no random chance and provides perfect information. Many abstract strategy games include no theme. Some games can also be played on pen and paper. Chess and chess-like games *Apocalypse *Arimaa *Chaturaji (India) *Chaturanga (Indian chess) *Chess (Western chess) * Congo *Courier chess (German chess) *Crazyhouse *Dameo *Djambi (modern French chess variant) *Duell (chess) *Fortress chess (Russia) *Four-player chess *Hexagonal chess *Hnefatafl (Nordic chess-like game) *Hiashatar (Mongolian chess variant) *Hive (boardless chess-like game) *Infinite chess *Janggi (Korean chess) *Jeson Mor (Mongolian chess variant) *Ko Shogi (Shogi Variant based on xiangqi and go) * Kruzno *Maharajah and the Sepoys (Indian chess variant) *Makruk (Thai chess) *Ploy (board game) *Rollerball (chess variant) *Senterej (Ethiopian chess) *Shatar (Mongolian chess) *Shatranj (Persian and Arabian chess) *Shogi (Japanese chess) *Sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiral
In mathematics, a spiral is a curve which emanates from a point, moving farther away as it revolves around the point. Helices Two major definitions of "spiral" in the American Heritage Dictionary are:Spiral ''American Heritage Dictionary of the English Language'', Houghton Mifflin Company, Fourth Edition, 2009. # a curve on a plane that winds around a fixed center point at a continuously increasing or decreasing distance from the point. # a three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis; a . The first definition describes a |
Arc (geometry)
In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight. Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that appeared more than 2000 years ago in Euclid's ''Elements'': "The urvedline is €¦the first species of quantity, which has only one dimension, namely length, without any width nor depth, and is nothing else than the flow or run of the point which €¦will leave from its imaginary moving some vestige in length, exempt of any width." This definition of a curve has been formalized in modern mathematics as: ''A curve is the image of an interval to a topological space by a continuous function''. In some contexts, the function that defines the curve is called a ''parametrization'', and the curve is a parametric curve. In this article, these curves are sometimes called ''topological curves'' to distinguish them from more constrained curves such a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radius
In classical geometry, a radius ( : radii) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the latin ''radius'', meaning ray but also the spoke of a chariot wheel. as a function of axial position ../nowiki>" Spherical coordinates In a spherical coordinate system, the radius describes the distance of a point from a fixed origin. Its position if further defined by the polar angle measured between the radial direction and a fixed zenith direction, and the azimuth angle, the angle between the orthogonal projection of the radial direction on a reference plane that passes through the origin and is orthogonal to the zenith, and a fixed reference direction in that plane. See also *Bend radius *Filling radius in Riemannian geometry *Radius of convergence * Radius of convexity *Radius of curvature *Radius of gyration ''Radius of gyration'' or gyradius of a body about the axis of r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Game Ladder
A ladder tournament (also known as a ladder competition or pyramid tournament) is a form of tournament for games and sports. Unlike many tournaments, which usually have an element of elimination, ladder competitions can go on indefinitely. In a ladder competition, players are listed as if on the rungs of a ladder. The objective for a player is to reach the highest rung of the ladder. Description The competition proceeds via a system of challenges. Any player can challenge a player above them on the ladder. These challenges generally should not or can not be declined. If the lower-placed player wins the match, then the two players swap places on the ladder. If the lower-placed player loses, then they may not challenge the same person again without challenging someone else first. There is a limit as to how many rungs above themselves players may challenge. When first setting up a ladder tournament, the usual practice is to place the more skilled players at the bottom of the ladder ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victory
The term victory (from Latin ''victoria'') originally applied to warfare, and denotes success achieved in personal Duel, combat, after military operations in general or, by extension, in any competition. Success in a military campaign constitutes a strategic victory, while the success in a Engagement (military), military engagement is a tactical victory. In terms of human emotion, victory accompanies strong feelings of elation, and in human behaviour often exhibits movements and poses paralleling threat display preceding the combat, which are associated with the excess endorphin built up preceding and during combat. Victory dances and victory cries similarly parallel war dances and battle cry, war cries performed before the outbreak of physical violence. Examples of victory behaviour reported in Roman antiquity, where the term ''victoria'' originated, include: the victory songs of the Batavi (Germanic tribe), Batavi mercenaries serving under Gaius Julius Civilis after the vic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instruction Manual (gaming)
Video game packaging refers to the physical storage of the contents of a PC or console game, both for safekeeping and shop display. In the past, a number of materials and packaging designs were used, mostly paperboard or plastic. Today, most physical game releases are shipped in ( CD) jewel cases or (DVD) keep cases, with little differences between them. Aside from the actual game, many items may be included inside, such as an instruction booklet, teasers of upcoming games, subscription offers to magazines, other advertisements, or any hardware that may be needed for any extra features of the game. Personal computer packages Early machines such as the Commodore 64 were tape-based, and hence had their games distributed on ordinary cassettes. When more advanced machines moved to floppy disks, the cassette boxes stayed in use for a while (e.g. '' Treasure Island Dizzy'' for the Amiga came on a floppy disk in a cassette box). In the late 1980s and early 1990s, computer games ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Velour
Velour, occasionally velours, is a plush, knitted fabric or textile similar to velvet or velveteen. It is usually made from cotton, but can also be made from synthetic materials such as polyester. Often, it contains a percentage of elastane, for comfort and durability. Velour is used in a wide variety of applications, including clothing and upholstery. Velour can also refer to a rough natural leather sometimes called velour leather. Chrome tanned leather is ground from the inside, which forms a delicate, soft layer on the surface. It is used for footwear, clothing, and upholstery. This type of leather is often confused with velvet suede and chamois. Uses Velour can be a woven or a knitted fabric, allowing it to stretch. It combines the stretchy properties of knits with the rich appearance and feel of velvet. Velour is used in dance wear for the ease of movement it affords, and is also popular for warm, colorful, casual clothing. When used as upholstery, velour often is sub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue
Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. An optical effect called Tyndall effect explains blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective. Blue has been an important colour in art and decoration since ancient times. The semi-precious stone lapis lazuli was used in ancient Egypt for jewellery and ornament and later, in the Renaissance, to make the pigment ultramarine, the most expensive of all pigments. In the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yellow
Yellow is the color between green and orange on the spectrum of light. It is evoked by light with a dominant wavelength of roughly 575585 nm. It is a primary color in subtractive color systems, used in painting or color printing. In the RGB color model, used to create colors on television and computer screens, yellow is a secondary color made by combining red and green at equal intensity. Carotenoids give the characteristic yellow color to autumn leaves, corn, canaries, daffodils, and lemons, as well as egg yolks, buttercups, and bananas. They absorb light energy and protect plants from photo damage in some cases. Sunlight has a slight yellowish hue when the Sun is near the horizon, due to atmospheric scattering of shorter wavelengths (green, blue, and violet). Because it was widely available, yellow ochre pigment was one of the first colors used in art; the Lascaux cave in France has a painting of a yellow horse 17,000 years old. Ochre and orpiment pigments were us ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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