jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["19bd7e9c99e707ffa43e1dc5631141689d8bea708c1a20a2472462849f1cfb4c"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"31.Kd2"}]]}]}
https://whatsonchain.com/tx/a7abd2d69eb9a5a23b0cba21ec4ae12e9f07b95db0d6ff93dcb3f01a7b5798b9