|(1) Posted by shankar ram [Sunday, Dec 3, 2017 10:09]; edited by shankar ram [17-12-03]|
A series mate problem with single combat condition
Ravishankar remembers someone showing him this problem... during his game playing days in the 70s!
"From the initial game position, W makes 8 moves with the same piece and mates."
Nowadays, the stipulation would be stated as series #8, single combat. Or Duel/Duellantenschach.
Does anybody know who the author/discoverer of this problem was and the source? Was it ever published? Couldn't find it in Winchloe..
|(2) Posted by seetharaman kalyan [Sunday, Dec 3, 2017 11:32]; edited by seetharaman kalyan [17-12-03]|
White can mate moving his d2 pawn. Nice unique solution !
|(3) Posted by Hauke Reddmann [Sunday, Dec 3, 2017 21:19]|
To my best knowledge, it's by GM John Nunn. (Don't take my word on it :-)
|(4) Posted by Siegfried Hornecker [Monday, Dec 4, 2017 11:27]|
I asked John Nunn. He replied:
No, I was not the composer. Someone showed it to me and I showed it to a few other people, but I was not the composer. I have a vague memory that it was Jonathan Mestel who showed it to me, but it was a long time ago and I am far from sure about this.
|(5) Posted by Olaf Jenkner [Saturday, Dec 9, 2017 14:38]|
Here is the solution:
|(6) Posted by shankar ram [Sunday, Dec 10, 2017 16:20]; edited by shankar ram [17-12-10]|
Christian Poisson has kindly informed me of the author, source and date:
Hans Kluver, Die Welt, 1975.
However, the stipulation was stated as a "series" proof game in 8 moves, with the final position being diagrammed.
This appears as ID 197479 in Winchloe. I, obviously, missed it as I was searching for a different stipulation!
Christian says he'll update the stipulation as "sd#8, Duel".
|(7) Posted by Ganapathi Ramaswami [Sunday, Dec 10, 2017 16:42]|
Shankar Ram , can you pl. show the diag?
|(8) Posted by Rajendiran Raju [Sunday, Dec 10, 2017 16:52]|
(= 16+11 )
|(9) Posted by Olaf Jenkner [Sunday, Dec 10, 2017 19:41]|
It's not a good idea to update the stipulation. The stipulation should be the same as in the source. We have two slightly different problems, one by Klüver, one by someone else.
|(10) Posted by Ganapathi Ramaswami [Monday, Dec 11, 2017 13:56]|
Thank you Raju for the mating position.
|(11) Posted by Siegfried Hornecker [Monday, Dec 11, 2017 20:58]|
Olaf? I think you misread.
sd#8 means seriesdirectmate in 8. Duel is Duellantenschach. So it is the same as in the PDB after Christian Poisson's update.
Or maybe I misunderstood, then I apologize, and would kindly ask you to show me my error.
|(12) Posted by Olaf Jenkner [Monday, Dec 11, 2017 22:25]|
I added the problem to the PDB after reading about it in this forum.
Mr. Poisson gave more information: the stipulation was stated as a "series" proof game in 8 moves, with the final position being diagrammed.
So this might be the correct version of this nice problem.
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