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Connect Four has since been solved with brute-force methods, beginning with John Tromp's work in compiling an 8-ply database. [13] [17] The artificial intelligence algorithms able to strongly solve Connect Four are minimax or negamax, with optimizations that include alpha-beta pruning, move ordering, and transposition tables.
In computer science, Fhourstones is an integer benchmark that efficiently solves positions in the game of Connect-4. It was written by John Tromp in 1996-2008, [1] and is incorporated into the Phoronix Test Suite. The measurements are reported as the number of game positions searched per second.
A solved game is a game whose outcome (win, lose or draw) can be correctly predicted from any position, assuming that both players play perfectly.This concept is usually applied to abstract strategy games, and especially to games with full information and no element of chance; solving such a game may use combinatorial game theory or computer assistance.
The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen or retracing any lines.
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Connect Four is (7,6,4) with piece placement restricted to the lowest unoccupied place in a column. Connect( m , n , k , p , q ) games are another generalization of gomoku to a board with m × n intersections, k in a row needed to win, p stones for each player to place, and q stones for the first player to place for the first move only.
“Someone’s mother has four sons” is how one of the latest viral riddles starts. The answer that seems obvious turns out to be wrong. And the correct answer can elude even the best brains.