Strange asmfish behaviour?

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giovanni
Posts: 120
Joined: Wed Jul 08, 2015 10:30 am

Strange asmfish behaviour?

Post by giovanni » Sun Sep 23, 2018 7:49 pm



I am puzzled by the behaviour of asmfish in this position. It thinks that 1)Bg4 leads to a draw, but realizes one ply later that it is instead mate in 6. Also, if you show it the winning variation 1)...Cg4 followed by 2)fg4 f3 and then you go back to the original position, it still thinks that Bg4 is a draw, i,e, there is no hash table learning.

F. Bluemers
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Re: Strange asmfish behaviour?

Post by F. Bluemers » Sun Sep 23, 2018 8:46 pm

check the movecounter,its a draw.
note that if it was not a draw by the 50 mvs rule,your suggestion Bg4 would get white mated after Nd1 and Nf2
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giovanni
Posts: 120
Joined: Wed Jul 08, 2015 10:30 am

Re: Strange asmfish behaviour?

Post by giovanni » Sun Sep 23, 2018 9:08 pm

My bad. Thanks for pointing out my faulty reasoning.

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