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I don't think the eval is behaving unexpectedly since white stays generally positive with two minor pieces in play vs blacks one, the eval bar seems relatively consistent based off moves made.
The evaluation function/network is not perfect. Maybe positions like this could be compiled with the "known" answer, i.e., it is a draw and the data added to the training data for the nets. I doubt this is a "bug" that can/should be targeted aside from improving training data.
Describe the issue
In game https://www.chess.com/computer-chess-championship#event=ccc21-blitz-semifinals&game=337 starting on move 88 the eval suddenly jumps and stays erratic till move 106. Given only 7 pieces and the pre and post evals this seems erroneous.
Expected behavior
Eval isn't erratic.
Steps to reproduce
See https://www.chess.com/computer-chess-championship#event=ccc21-blitz-semifinals&game=337 starting on move 88.
Anything else?
No response
Operating system
All
Stockfish version
dev-20230729-65ece7d9
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