jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["0bb6852116ccacedc827872592b775cf11e93922da4f38f5631dac3c508c3c6e"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"15.Bxc6"}]]}]}
https://whatsonchain.com/tx/5d4f972a6c4f2d4bbb3020bff4d5929eb3b4863f8e20cd39901ac60dd6fcf829