# Changing Scoring & Payouts Again To MMC Only

**URL:** <https://forum.numer.ai/t/changing-scoring-payouts-again-to-mmc-only/6794>\
**Category:** Tournament\
**Created:** [November 15, 2023, 4:03am UTC](https://forum.numer.ai/t/changing-scoring-payouts-again-to-mmc-only/6794 "2023-11-15T04:03:37Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![sneaky](https://avatars.discourse-cdn.com/v4/letter/s/4bbf92/32.png) [@sneaky](https://forum.numer.ai/u/sneaky)\
**Post date:** [November 15, 2023, 10:00am UTC](https://forum.numer.ai/t/changing-scoring-payouts-again-to-mmc-only/6794/9 "2023-11-15T10:00:49Z")

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MMC != CWMM. MMC is well described here: [http://forum.numer.ai/t/mmc2-announcement/93](http://forum.numer.ai/t/mmc2-announcement/93). MMC used to be calculated as performance of leave one (your model) out - performance of meta model. MMC2 is basically performance of your model’s residuals against the target.

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