将数据从View表单传输到Model方法

I am building a tic-tac-toe game on RoR. At the moment, the whole board is set up, with a form below it that tracks the moves. I have been told to use the model to figure out such things as if there is a winner(3 in a row), a tie(full board), etc. I thought I had it, but apparently not. Not sure what I'm doing wrong with the I am building a tic-tac-toe game on RoR. At the