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MatPlus.Net Forum General "Black dual avoidance"
 
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(1) Posted by Hauke Reddmann [Saturday, Nov 12, 2022 19:36]

"Black dual avoidance"


Black has apparently two parades A and B, but for some reason, only
1.a? A!, 1.b? B?, while the "wrong" parade leads to mate (since a and b both
have some positive effect for White, avoid a negative one, or whatever).
What is the "official" name, if any?
 
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(2) Posted by Joost de Heer [Sunday, Nov 13, 2022 20:16]

Arnhem? Banny?
 
 
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(3) Posted by Hauke Reddmann [Sunday, Nov 13, 2022 23:14]

Correct and correct, but both themes are far more specific.
It came up in the context of a sort-of(!) color reversed Mari:
The tries shut a white line, Black "opens" the shut one.
 
 
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MatPlus.Net Forum General "Black dual avoidance"