How can I work out, as I start to play, what average % score I need to achieve in order to maintain my PPI at its present level?
This can be calculated if you know the PPI figures of the other players at the table and can work out {(a+b-c-d)/2+50} In the above example, this figure was 42.25% This is the average % score you need to achieve to maintain your PPI at its present level, and if you score better, it will increase, and if you score worse, it will fall. In other words, it’s 50% plus the average of partner’s and your PPI figures minus the average of the opponents’ PPI figures. With a strong partner and weak opponents, you may need to score 60 or 65% on average per board to maintain your PPI figure, while with a weak partner and strong opponents, you may be able to maintain your PPI figure just by scoring as little as 35 or 40% on average per board. In short, the system is designed so that it doesn’t matter who the other three players are at the table with you, because the factors of their strengths are taken into account.
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