Looking more like randomly sewn-together squares rather than a Tetris pattern so far, here are the first three rows:
Fun with angles. This whole blanket was fun! I think I'll make another granny square blanket with that yarn--Lion Brand's Hometown USA, which I hope they never discontinue--but if there's a game design it'll probably be a simpler (and smaller!) checker- or chessboard.
Close up folded up. I like taking pictures but I don't know if I've really got any talent. I'll have to keep practicing and get by on skill, I suppose. :)