To do this, I wrote some computer programs in C to simulate games between computer-controlled players.
I found that increasing the ply depth increases the chance of winning, as does getting the first move. I found that the effect of a single ply depth increase was greater than the effect of getting the first move. I found that when two identical players faced off, there would be more draws if both had even ply depths. I also found that increasing the ply depth by 1 make the program take about 7 times as long per move.
My results agree with my hypothesis, though I did not expect the result with more draws at even ply depths. Each extra ply taking 7 times as long fits with the prediction based on branching width.
This Mathematical project is to create an artificial-intelligence program to play Connect-Four and use it to test the effects of going first and looking further ahead in possible moves on the chance of winning and on the time taken.
Science Fair Project done By Abraham P. Karplus