Back عدد شانون Arabic Nombre de Shannon Catalan Número de Shannon Spanish Shannonen zenbakia Basque عدد شانون Persian Nombre de Shannon French Շենոնի թիվ Armenian Numero di Shannon Italian Shannontalet NN Número de Shannon Portuguese
The Shannon number, named after the American mathematician Claude Shannon, is a conservative lower bound of the game-tree complexity of chess of 10120, based on an average of about 103 possibilities for a pair of moves consisting of a move for White followed by a move for Black, and a typical game lasting about 40 such pairs of moves.