Four Wins – Four in a Row

By Andreas Grauf on AppTrack Ninja.

Connect Four that computes

Connect Four as you know it — only with an opponent that really thinks. The classic board game, also known as Connect 4 or Four in a Row, as a strategy game for one or two players. No account and no sign-in: just you against the machine, two of you taking turns on the same screen — or over the net against someone else. Behind the machine there is no random number generator but a negamax search with alpha-beta pruning, move ordering from the centre outwards and a transposition table. On the highest level it searches iteratively as deep as it manages in 1.4 seconds — about thirteen plies on an …

Categories: Games, Entertainment, Board, Trivia

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