I tend to agree with you. However, we already have the error-rate numbers to ensure long term consistency. The error-rate to error-class translation is there for a single purpose: to make it easier to relate the numbers to the real world. If the real world world-class players are considered world-class in checker play and expert in cube-play then I think that this is inconsistent and arbitrary. We choose the thresholds when we translate from error-rates to error-classes and since cube and checker play errors are not comparable the way gnubg calculates them, choosing the same thresholds is both inconsistent, arbitrary and in denial of empirical data.
If we in ten years find that the thresholds need adjusting, we may do so, since we still have the error rates that are consistent over the years. Christian.
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