jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["d66265769ebf9c4b49486929bbf0047127648268c39763b9383435060675d5d5"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"27.Rc1"}]]}]}
https://whatsonchain.com/tx/42db0d35eba6e9c81e5bdaec04a9fb4e60bf64cc11c3ae953ffe638cfbe4e931