[Retros] No occupied white square
flab at wismuth.com
Fri Dec 6 04:49:07 EST 2013
My computer found a unique proof game in 10.0 moves with 21 men all on
white squares, and another unique proof game in 10.0 moves with 21 men
all on black squares. A lovely pair of problems! Both are confirmed by
Looks like this is computer territory. Sorry Unto!
Now I'd like to know if Unto is still going to publish his 11.0-move
problem in a magazine, and whether I should publish my 2 problems in a
On 12/04/2013 09:56 AM, Olli Heimo wrote:
> Hi friends- For your information. I gave the challenge to GM Unto Heinonen and today he informed me that he has a sound computer-checked proofgame in 11.0 moves leaving 19 men all on white squares. Beautiful construction but he wants to publish it Finnish "Tehtäväniekka"-magazine probably appearing in February 2014. I am not allowed to show the position yet, so this my message is only information to those who might try for better record. Olli.
> Nicolas Dupont kirjoitti 29.11.2013 kello 20:59:
>>> I think that Eric's problem should be written like: "How many moves
>>> are required to get all men on samecoloured squares.
>> Yes. And also the same problem but via an exact sequence...
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