jrunPowChessM {"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["a1a4f489ae86d40b0f01f376775ea1e48d565e12ad82ee0c37828d0a9304c5d8"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"Bxc7"}]]}]}
https://whatsonchain.com/tx/9231a1ad81a744db68fbd7e42e30ab5e40d0fd0acae4725aa98af9be69cd397c