Oka and uma: Difference between revisions

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'''Uma''' is the end game adjusted [[scoring|score]].  This is most commonly referred as the plus-minus (+/-) score.  The four end game scores are set up to equal to zero.  However, due to rounding errors, it is possible for the scores to equal to 1 or -1.  In this case, the leader's end game score is adjusted to ensure a zero sum.
At the end of the game, the raw scores are converted into an "end game score".  This is most commonly referred as the plus-minus (+/-) score.  The four end game scores are set up to equal to zero.  However, due to rounding errors, it is possible for the scores to equal to 1 or -1.  In this case, the leader's end game score is adjusted to ensure a zero sum.


==Oka and uma==
==Oka and uma==
The '''oka''' is the point difference between the start score and the target score; and then it is multiplied by the number of players.  In general, this can be viewed as the "ante".  Typically, the start score and target score are 25,000 pts and 30,000 pts respectively.  So, in this case the oka is 5,000 x 4.
The '''oka''' is the point difference between the start score and the target score; and then it is multiplied by the number of players.  In general, this can be viewed as the "ante".  Typically, the start score and target score are 25,000 pts and 30,000 pts respectively.  So, in this case the oka is 5,000 x 4.


The '''uma''' is the set point spread applied to the players at the end of the game.
The '''uma''' is the set point spread applied to the players at the end of the game.  The typical point spread uses (+20/+10/-10/-20), applied to the players in rank order.


==Procedure==
==Procedure==
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