jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["f7382040765bf224b9f06e3b1d65f4b8acbeae06d7e21fb66008a622d4187eba"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"28.Kxg4"}]]}]}
https://whatsonchain.com/tx/6b5bf0c31fc5bead724f60a111301ab1ebe9bbddc1dc6678b70484c2eb45ffa6