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Where in the game tree does the alpha and beta cutoffs occur?
Keep in mind that you have to execute the algorithm completely. Study the process of cutoffs carefully. Remember that a cutoff can only be determined after a node was evaluated. This means that all further (if any) siblings are cut off and not evaluated. That is the purpose of alpha-beta pruning.
We call the alpha-beta algorithm with a call such as alphabeta_search( alphanbetatree, A ), where the complete tree structure is kept in alphabetatree, and the node to start the search at is the root node A.
Is the following tree a valid representations of the start state of the search tree?
https://mymodules.dtls.unisa.ac.za/pluginfile.php/26375657/mod_folder/content/0/COS3751_2024_alphabeta_start.svg?forcedownload=1
What is the effect of a beta cutoff in the alpha-beta pruning algorithm?
Which node's action can directly lead to a beta cutoff?
What is the effect of an alpha cutoff in the alpha-beta pruning algorithm?
Under what condition does an alpha cutoff typically occur?
Which node's action can directly lead to an alpha cutoff?
Under what condition does a beta cutoff typically occur?
In a game tree, where might you observe an alpha cutoff first?
What is an alpha cutoff in the alpha-beta pruning algorithm?