jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["1e4a292db2e7534e01fe8d64f614366657f17346c419b813aaa40c5f0f115f9f"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"2.Nf3"}]]}]}
https://whatsonchain.com/tx/b1bfd30f58264ad216134bce109e6295ce4b5e026acbdcb5b22e9a42d65bd86c