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Spight Rules Discussion
Discuss Spight rules: A board play may not repeat a previous whole board position unless a pass has intervened since its last occurrence. Play stops when the same player passes a second time in the same board position. Does it mean that a pass of one player can erase the board position history of all players?
I think of one bestiary in the 1x8 go board:
A perfect play of
End result: +2.
Now White has two choices:
Black 11 is
Black 11 is Bill: Thanks, Wilton. That looks right. :-)
Let's say
If
If
Well, b is the best move for
Passing White 6 is a must. This is where the bestiary occurs - now White 8 has nothing to do but to pass. But it helps Black to get rid of her history.
Nothing can be done for White. She passes again. That's the end of the game. Black wins all 8 points. I just wonder why White's continuing struggle doesn't count (despite the imperfect moves in the past). I don't think Black really has the right to gain all points. Bill: As it turns out, he doesn't. :-) However, my rules do not guarantee no anomalous results if a player makes a mistake; in particular, if a player passes in a hot position. The end of play rules are meant to apply when the play is really over, not before. That having been said, I agree that White's earlier mistakes are irrelevant here.
We could start from this position with Black to play. :-) Anomaly is in the eye of the beholder, but Spight rules are immune to this kind of anomaly, where the game ends in a hot position (Diagram 2) and no one has erred.
I fail to replicate the canonical moves from diagram 1 so that it ends at diagram 2. Could you please kindly elaborate? Bill: That's what I'm saying. There is none. :-) Bill:
The end result with area scoring will be +1. This is a copy of the living page "Spight Rules Discussion" at Sensei's Library. ![]() |