For me, I want Light to win. My tactic is to have him get Yui to write down the names of her team, Seiryu. Light also has Miaka and Tamahome hostage and threatens Yui that he's going to kill them if she doesn't write down all of the names of her team. He orders her to write down in the first box is Nakago, and the second until the last boxes all of the members. Once that is done, Yui gets a heart attack and see Light standing triumphant. He says farewell to her as Yui dies. Not only her, but also Nakago and all of the Seiryu.
For those who want Light to win, agree with this.