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MatPlus.Net Forum X-Files: Anticipations W R/Q interference
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(1) Posted by Hauke Reddmann [Saturday, Jun 15, 2024 20:12]

W R/Q interference

(= 9+12 )

This problem by Touw Hian Bwee (Schach-Echo 1974) was featured in yesterday's
solving contest in Lübeck. I immediately recognized it and had the solution
im memory.

But did I?

After the contest, I wasn't so sure anymore. I could swear the problem I
remembered also had W R/Q interferences (even on the same squares with
the same key), but the R had *two* potential double checks.

Does this make sense or is my memory faulty and I confused it with
something completely different?
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(2) Posted by [Sunday, Jun 16, 2024 21:50]

Something is wrong here.

1. Qxa4+ bxa4 2. Rb6#
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(3) Posted by Kevin Begley [Monday, Jun 17, 2024 01:44]

Errr hmm.
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(4) Posted by Nikola Predrag [Monday, Jun 17, 2024 02:51]

You mean 1.Qxa4+? bxa4??? 2.Rb6#
It's not a helpmate and there's bBe1
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(5) Posted by [Monday, Jun 17, 2024 10:57]

bBe1 can't help. The check is double (Rb6+ and Bf7+).

And why checkmate cooperatively if you can checkmate like that?
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(6) Posted by Viktoras Paliulionis [Monday, Jun 17, 2024 11:37]

The author of the post did not specify the stipulation of the problem. Should be #2.

1.Qxa4+? Kxa4! 2.Ra6+? Ba5!

Solution: 1.Qg5!
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MatPlus.Net Forum X-Files: Anticipations W R/Q interference