Hall of Infinite Doors

He just took out my queen... I don't know what to do, I think I am screwed. I am not very good at chess, so I came here to practice. This place offers me ample time to augment my skill. From the way this game is going, it looks like I'm going to need all the time I can get. Perhaps at some point I can return to the real world as a chess champion. Or maybe at least take second place.

You have 1 choice: