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benckx / elephantchess.io

Play and study Chinese chess online
https://elephantchess.io
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Incorrect PV line #131

Closed benckx closed 4 months ago

benckx commented 4 months ago

In this analysis on move 6 the PV line is the same for both half moves, which doesn't make sense (board crashes when clicking on first move of PV line). It means the FEN key is mapped to an incorrect engine info line result. https://elephantchess.io/analysis?id=hsERAZo09R4g

As a first workaround, the Analysis Board could remove/refuse entries with incorrect PV line, so it would be recalculated.

benckx commented 4 months ago

We now ensure incorrect engine data is not persisted, and the existing data has been cleaned up. But it's not clear how it happens. Probably something in the Analysis Board JS code, which has to do with concurrency.