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MatPlus.Net Forum General Impossible Themes
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(21) Posted by Geoff Foster [Saturday, Jul 23, 2011 06:38]

See the thread "the six-fold Dentist".
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(22) Posted by Rewan Demontay (Real Name: James Malcom) [Wednesday, Nov 27, 2019 02:44]; edited by Rewan Demontay (Real Name: James Malcom) [19-11-27]

The task of a study that combines the Valladao with the AUW has been achieved since Siegfried last posted here. Looks like the expected award was definitely recieved, :-).

Preis ARVES 25 Anniversary Tourney, 2014
Geir Sune Tallaksen Østmo
White To Play And Win

(= 13+7 )

While I'm here:

Task: Stop me from posting on ancient threads
Closest Anyone Has Gotten: Haven't seen any progress juusssttt yet...
Reward: 10 Chocolates, 5.784 Euros, And A Pint Of Cranberry-Peach Ginger Ale.

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(23) Posted by Hauke Reddmann [Wednesday, Nov 27, 2019 11:09]

It's rather a crime to deny Geir his last "e". ;-)

This here is a board where ancient tasks might get
solved anytime (man Babson), and thus it is fully
justified (in opposition to, say, a "Best Jokes"
USENET group or so) to revive a thread. Guess what,
I just solved the 100$ th%&ABj§*Z##CARRIER LOST
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(24) Posted by seetharaman kalyan [Wednesday, Nov 27, 2019 17:31]
This no longer works. Any chance of restoring?
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(25) Posted by Joost de Heer [Wednesday, Nov 27, 2019 17:32]

Remove /pub:
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(26) Posted by seetharaman kalyan [Wednesday, Nov 27, 2019 17:48]

wow! thanks
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(27) Posted by Dupont Nicolas [Wednesday, Dec 11, 2019 15:37]

Double interchange of a pair of same-colored knights in a proof game (I don't know if it has been done in another field).
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(28) Posted by Marjan Kovačević [Thursday, Dec 12, 2019 00:00]

Yes, in #n.
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(29) Posted by Branislav Djurašević [Thursday, Dec 12, 2019 17:00]; edited by Branislav Djurašević [19-12-12]

Marjan Kovačević
2nd Prize The Problemist 1983
(= 7+9 )


Set play: 1...Ba6 2.Sf6+ Kc5 3. S:d7+ Kd5 4.e4#
Solution: 1.Sf6+ Kc5 2.Sde4+ Kc4 3. Se8 d6 4.S8:d6+ Kd5 5. Sf6+ Kc5 6. Sde4+ Kc4 7. Se8 Kd5 8. S8d6 Ba6 9. Sf6+ Kc5 10. Sd7+ Kd5 11.e4#

Clé d'échec
Marche royale
Duel Noir-Blanc
Echange de place (cyclique) de pièces blanches
Echange de place de pièces de même nature et couleur
Circuit de Cavalier
Circuit de Roi
Circuit en losange
Circuit en triangle
Circuit blanc
Circuit noir
Switchback noir
Switchback de Roi

Reproductions :
512 p.193, Album FIDE 1983-85
4 p.29, Schweizerische Schachzeitung 8/2002 (août 02)
248a p.113, Grossmeïster Lobusov, Y. Vladimirov 2014

Judge : S. Eisert

Do you see the point? Black king triangulation movement.
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MatPlus.Net Forum General Impossible Themes