KALAH VS TWILIGHT STRUGGLE

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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Twilight Struggle: The Cold War, 1945–1989 is a board game for two players, published by GMT Games in 2005. Players are the United States and Soviet Union contesting each other's influence on the world map by using cards that correspond to historical events. The first game designed by Ananda Gupta and Jason Matthews, they intended it to be a quick-playing alternative to more complex card-driven wargames. It achieved critical acclaim for its well-integrated theme, accessibility and introduction of Eurogame elements. After being voted the number one game on BoardGameGeek from December 2010 to January 2016, it has been called "the best board game on the planet". Twilight Struggle is played competitively and was unofficially adapted for play-by-email and live online play. GMT released a Deluxe Edition in 2009, as well as a Collector's Edition as part of the crowdfunding campaign for the game's official adaptation into a video game; this Digital Edition was released in 2016. With over 100,000 copies sold, the game is GMT's all-time best-seller. According to its designers, "Twilight Struggle basically accepts all of the internal logic of the Cold War as true—even those parts of it that are demonstrably false." The game board thus presents a map of a bipolar world according to domino theory, where the US and USSR spread influence to all other countries (except China, which is shown as a powerful card, which must be handed to the other player if used, representing China tilting from one bloc to the other), and attempt to establish control depending on the stability of a country. One scholarly analysis proposed that "hile Twilight Struggle is at its core an area control game, what set its apart from being marked as a Risk clone is the combined effect of material aesthetics and design mechanics meant to embrace a particular point of view tied to the Cold War zeitgeist." Gameplay is divided into ten turns. Each turn players randomly draw a hand of event cards from a single deck. The starting deck contains only early war cards, with historically appropriate mid war and late war events shuffled in on turns 4 and 8 (for a total of 103 cards in the first edition). Players both use a card in the turn's headline phase (in which each player must play a card for its event) and six to eight action rounds.

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