# I changed one search rule. Recall dropped 2.2 points. — Mnemo Memory

> The new results looked reasonable. The full benchmark disagreed. Here is how I traced fifteen bad routes, discarded a fix that did nothing, and checked the 99.2% claim again.

Canonical URL: https://mnemohq.com/blog/search-routing-recall-experiment

The new results looked reasonable. The full benchmark disagreed. Here is how I traced fifteen bad routes, discarded a fix that did nothing, and checked the 99.2% claim again.

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