jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["7b0addcf495b21d677d0f64ecc9fb84c56b02d8765cb7302cbdfc2b5df93c31c"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"15.Nxe4"}]]}]}
https://whatsonchain.com/tx/ca5bfa65c144480e37e6e00368cfb03314e2e98e95d06fce03d48f484d8b5af2