GAME OF THE GENERALS VS KALAH

The Game of the Generals, also called GG or GOG as it is most fondly called, or simply The Generals, is an educational war game invented in the Philippines by Sofronio H. Pasola Jr. in 1970. Its Filipino name is "Salpakan." It can be played within twenty to thirty minutes. It is designed for two players, each controlling an army, and a neutral arbiter (sometimes called a referee or an adjutant) to decide the results of "challenges" between opposing playing pieces, that like playing cards, have their identities hidden from the opponent. The game simulates armies at war trying to overpower, misinform, outflank, outmaneuver, and destroy each other. It optimizes the use of logic, memory, and spatial skills. It simulates the "fog of war" because the identities of the opposing pieces are hidden from each player and can only be guessed at by their location, movements, or from the results of challenges. The game allows only one side's plan to succeed, although a player may change plans during the course of the game. In addition, there are two different ways of winning the game (see below). Certain strategies and tactics, however, allow both sides the chance of securing a better idea of the other's plan as the game progresses. Players can also speak or gesture to their opponents during matches, hoping to create a false impression about the identity of their pieces or their overall strategy. This game was invented by Sofronio H. Pasola, Jr. with the inspiration of his son Ronnie Pasola. The Pasolas first tried the Game of the Generals on a chessboard. Even then, the pieces had no particular arrangement. There were no spies in the experimental game; but after Ronnie Pasola remembered the James Bond movies and Mata Hari, he added the Spies. Making the pieces hidden was the idea of the Pasolas after remembering card games. The Game of the Generals' public introduction was on February 28, 1973. After the game was made, it angered many Filipino chess players thinking that Pasola was trying to denigrate or supplant chess.

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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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