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Worst move on the board

Posted: Mon Jan 15, 2018 11:15 pm
by Roger de Coverly
The now closed Streatham blog would run an occasional series on this.

Here's an example from a League game this evening.


Black to play and find a "normal" move that loses instantly.

The position should be recognisable as having arisen from the "Short" variation in the Advance Caro.

Re: Worst move on the board

Posted: Mon Jan 15, 2018 11:29 pm
by Alex Holowczak
Black played Qb6, and presumably white responded with Ba5?

Re: Worst move on the board

Posted: Mon Jan 15, 2018 11:30 pm
by Roger de Coverly
Alex Holowczak wrote:
Mon Jan 15, 2018 11:29 pm
Black played Qb6, and presumably white responded with Ba5?
Yes.

A database search suggests the blunder has the merit of being original.

Re: Worst move on the board

Posted: Tue Jan 16, 2018 5:57 am
by JustinHorton
However, ...Qa5 would have been a worse move.

Re: Worst move on the board

Posted: Tue Jan 16, 2018 8:52 am
by Michael Farthing
Alex Holowczak wrote:
Mon Jan 15, 2018 11:29 pm
Black played Qb6, and presumably white responded with Ba5?
On reading this I spent a good 3 seconds wondering why white's Ba5 deserved the question mark :?

Re: Worst move on the board

Posted: Tue Jan 16, 2018 1:05 pm
by Matt Mackenzie
JustinHorton wrote:
Tue Jan 16, 2018 5:57 am
However, ...Qa5 would have been a worse move.
Yes, but that is trivially obvious. Though it does mean that Qb6??? still isn't the ABSOLUTELY worst move, as in your former series.

Re: Worst move on the board

Posted: Wed Jan 17, 2018 1:05 pm
by J T Melsom
No mention of the final match score in the fixture which generated this curiosity? :)