$//$ Initialise bestScore for each player

int bestScore;

if $($player $==1)//$ the AI plays to maximise scores

bestScore $=-1$;

else $//$ the Human plays to minimise the AI's scores

bestScore $=1$;

$//$ The terminal tests call helper functions elsewhere in the code $($not included here$)$

if$($AIhasWon$())$

return $1$;

else if$($humanHasWon$())$

return $-1$ ;

$//$ If neither player has won, determine successor states and simulate Minimax gameplay

ArrayListi$=0i$