SmolVLA trained to move a chess piece with an SO-101 arm in one fixed simulated scene (MuJoCo). It is the simple baseline of the chess robot's "hand": first get reliable closed-loop success in the easiest setting, then add variety back one change at a time. Trained fresh from lerobot/smolvlabase, not from the earlier Machanize/chessphasesmolvla. Status: not yet reliable. In a closed-loop test it completed 36.7% of 60 moves (details below). It has not been run on a real arm. - observation.images.overhead: a webcam 65 cm straight above the board, 44 degrees top to bottom, the arm at the top edge of the image. Fed to the model as camera1. - observation.images.wrist: the official SO-101 wrist…