Kalah, also called Kalaha or Mancala, is a game in the mancala family invented in the United States by William Julius Champion, Jr. in 1940. This game...
Kalah, also called Kalaha or Mancala, is a game in the mancala family invented in the United States by William Julius Champion, Jr. in 1940. This game is sometimes also called "Kalahari", possibly by false etymology from the Kalahari desert in Namibia.
As the most popular and commercially available variant of mancala in the West, Kalah is also sometimes referred to as Warri or Awari, although those names more properly refer to the game Oware.
For most of its variations, Kalah is a solved game with a first-player win if both players play perfect games. The Pie rule can be used to balance the first-player's advantage.
Mark Rawlings has written a computer program to extensively analyze both the "standard" version of Kalah and the "empty capture" version, which is the primary variant. The analysis was made possible by the creation of the largest endgame databases ever made for Kalah. They include the perfect play result of all 38,902,940,896 positions with 34 or fewer seeds. In 2015, for the first time ever, each of the initial moves for the standard version of Kalah(6,4) and Kalah(6,5) have been quantified: Kalah(6,4) is a proven win by 8 for the first player and Kalah(6,5) is a proven win by 10 for the first player. In addition, Kalah(6,6) with the standard rules has been proven to be at least a win by 4. Further analysis of Kalah(6,6) with the standard rules is ongoing.
For the "empty capture" version, Geoffrey Irving and Jeroen Donkers (2000) proved that Kalah(6,4) is a win by 10 for the first player with perfect play, and Kalah(6,5) is a win by 12 for the first player with perfect play. Anders Carstensen (2011) proved that Kalah(6,6) was a win for the first player. Mark Rawlings (2015) has extended these "empty capture" results by fully quantifying the initial moves for Kalah(6,4), Kalah(6,5), and Kalah(6,6). With searches totaling 106 days and over 55 trillion nodes, he has proven that Kalah(6,6) is a win by 2 for the first player with perfect play. This was a surprising result, given that the "4-seed" and "5-seed" variations are wins by 10 and 12, respectively. Kalah(6,6) is extremely deep and complex when compared to the 4-seed and 5-seed variations, which can now be solved in a fraction of a second and less than a minute, respectively.
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SPACE HULK
Space Hulk is a board game for two players by Games Workshop. It was released in 1989. The game is set in the fictional universe of Warhammer 40,000....
Space Hulk is a board game for two players by Games Workshop. It was released in 1989. The game is set in the fictional universe of Warhammer 40,000. In the game, a "space hulk" is a mass of ancient, derelict space ships, asteroids, and other assorted space debris. One player takes the role of Space Marine Terminators, superhuman elite soldiers who have been sent to investigate such a space hulk. The other player takes the role of Tyranid Genestealers, an aggressive alien species which have made their home aboard such masses.
In Warhammer 40,000, the term "space hulk" is used to refer to any massive derelict space ship. Due to the shifting, immaterial nature of the Warp, an otherworldly realm through which space ships may travel between the stars far quicker than they would be able to through real space, some space hulks are jumbled and twisted agglomerations of multiple vessels lost to the Warp throughout centuries or millennia. Space hulks may house more than just Genestealers; other threats aboard can include human followers of the dark gods of Chaos, nightmarish Warp Daemons, and Orks who use space hulks as their "standard" method of interstellar travel.
Genestealers were described in an entry of the "Aliens and monsters" section of the first edition of Warhammer 40,000 (the "WH40K - Rogue Trader" manual), but they were very different from their Space Hulk incarnation, which was more influenced by the xenomorphs depicted in the Alien franchise. Since the 1990s, subsequent games like Warhammer 40,000 and Epic have absorbed them as part of the overall Tyranid army where they serve as the shock troops, although their origins are not related to any other Tyranid broods. A force composed purely of Genestealers can still be fielded as a sub-type of the Tyranid army, in what is known as a Genestealer Cult. The Cult is described in the in-game background as an infiltration force that weakens a target planet, infecting the local population and causing civil unrest in advance of the arrival of the main Tyranid hive fleet.
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