Exit Scoring is a serious flaw

[temifar]

For the reference:

@AGA Rules

10. Disputes: If the players disagree about the status of a group of stones left on the board after both have passed, play is resumed, with the opponent of the last player to pass having the move. The game is over when the players agree on the status of all groups on the board, or, failing such agreement, if both players pass twice in succession. In this case any stones remaining on the board are deemed alive. Any stone or group of stones surrounded and captured during this process is added to the capturing player’s prisoners as usual.

@Japanese rules

Article 9. End of the game

1. When a player passes his move and his opponent passes in succession, the game stops.
2. After stopping, the game ends through confirmation and agreement by the two players about the life and death of stones and territory. This is called “the end of the game.”
3. If a player requests resumption of a stopped game, his opponent must oblige and has the right to play first.

Article 10. Determining the result

1. After agreement that the game has ended, each player removes any opposing dead stones from his territory as is, and adds them to his prisoners.
   […]
2. If one player lodges an objection to the result, both players must reconfirm the result by, for example, replaying the game.

Emphasis mine. Here goes “requesting undo to exit”. That’s against the rules, right?

@Chinese Rules

21 Ending the game
21.1 A player may say “Game is finished” during their turn and then pass. If the opponent does not
agree that the game is finished, the opponent is allowed to continue play. If play continues, then
the one who initially passed has the right to play again. The game continues until both players
agree that the game is finished.
21.2 If both sides have agreed that the game is finished but there are still meaningful moves
remaining on the board, then these points should be handled according to the rule of shuanghuo
(dual life, commonly known as seki).
21.3 After both sides have agreed that the game is finished, even if one or both players discover that
there are still effective moves, it is not allowed to resume play.
21.4 Both players must agree about which stones are dead and which are alive. If there is
disagreement, the game is resumed. The one who thinks the stones are dead plays first, and
the argument is resolved by playing it out.