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nemarholvan t1_irnanlw wrote

So surprised that openers are a worse match. I thought openings were fairly solved?

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Spillz-2011 t1_irnfzrj wrote

Two possibilities (I think it’s the first but could be wrong)

1 in openings the players have run engines to a higher depth so the moves they play are actually better than rerunning the engine on a lower depth

2 players are trying to play off the beaten track into a position they understand better. If you just play top engine move for 15 moves then it isn’t that hard for your opponent to also play top move because they also know the engine line

Edit: to clarify 2 100% happens I just don’t think that’s why the engine eval is wrong

17

eric5014 t1_irp4t74 wrote

Often in the opening, there are multiple moves that work fine. Particularly the first move or two, but even after that as you can develop pieces in a different order and there isn't an immediate threat needing a response.

In the middle & end there is more often one obvious next move.

I think these might account for much of that gap.

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Evidently_21 OP t1_irqim7e wrote

Yes it is this. The average evaluation change for opening is much smaller, there are just lots of pretty good options so matching exactly what computer recommends is hard.

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