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MatPlus.Net Forum General The other Szén position
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(1) Posted by Joose Norri [Friday, Nov 25, 2022 05:09]

The other Szén position

What is the final verdict on the eight man position, pawns a2 b2 c2 - f7 g7 h7? Computer results have evaded my eye or the old brain hasn't registered. I see there's a 2012 Grondijs book "The errors of the Calabrois" and surely this has been reported in the usually suspected sources.
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(2) Posted by Hauke Reddmann [Friday, Nov 25, 2022 09:11]

e1/e8 (Stockfish +2) or g1/b8 (0.0)?
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(3) Posted by Alain Villeneuve [Friday, Nov 25, 2022 09:28]

I don't know the ultimate truth because the tablebases with 8 units are not available !
But here is something for thought (Maizelis updated) :
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(4) Posted by Joose Norri [Friday, Nov 25, 2022 10:58]

I thought that perhaps a special tablebase for this ending only had been constructed, let's say with the traditional Kd1-Ke8, if that narrowing down makes a difference. It's after all so famous, has been studied since Greco. I have no understanding at all about the size of the undertaking - does e.g. the existence of the seven piece pawn only TB help in a decisive way? Does the fact that it's pawns only make it impractical or impossible for now? If I undertand correctly some eight piece TBs exist. (I don't even know which questions to ask.)

Thanks Alain, worth studying.
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MatPlus.Net Forum General The other Szén position