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MatPlus.Net Forum Endgame studies Recent Valladão studies
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(1) Posted by Siegfried Hornecker [Wednesday, May 30, 2007 15:58]

Recent Valladão studies

Here I want to show two recent impressive Valladão studies. Have fun!

(= 7+6 )

Gady Costeff
The Problemist, 2007
White to move. Win
(exact source unknown to me)

According to Harold van der Heijden's definition, this is a perfect Valladão with only K+R+P (this material was theme of the Kalandadze JT, by the way). Sadly, Gady Costeff wasn't able to create it as a meredith. This shows the difficulty of creating this. His position reminds me to the studies of Ernest Pogosyants where one always has to wonder how this could not have been shown before (btw: one of my favourite of those Pogosyants studies: wKd5 Bh1 Pc7 bKb7, Win).

(= 10+7 )

Siegfried Hornecker
König und Turm, May 2007, p.31 (solution p.54)
White to move. Win

I actually have to thank Hörning and Josten since I visited them im Cologne in 2006 where I found (in my pension) the matrix. If I wouldn't have been bored there I most probably wouldn't have tried to create a Valladão.
Another Pogosynants-like matrix (see definition above). Three promotions. I sadly couldn't include a bishop promotion yet (it should be possible in some way although extremely difficult). I had to use 17 pieces on a position where six black pieces were taken by white pawns. Another proof of the difficulty of the task.

Please send comments (I'll give those to my study to "Känig und Turm" as there are always not enought comments)!
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(2) Posted by Zalmen Kornin [Wednesday, Jun 6, 2007 16:33]

To show the Valladão in a Study is something very difficult and meritorious, far more than in other forms - In Siegried's Website, we can find the most complete page on the Valladão in Studies, with a lot of spectacular material (SH, keep the good work - in composing & publishing)
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(3) Posted by Siegfried Hornecker [Thursday, Jun 7, 2007 02:25]; edited by Siegfried Hornecker [07-06-16]

Thanks for mentioning my article. :-)
I translated it tonight and hope it's mostly correctly translated.

At the moment it contins 12 studies (including two of me).

PS: On slower connections the diagrams will take a while to load (around 50KB per diagram).

PPS, June 16th: I corrected an obvious mistake (I know how to write it, normally, but for some reason I thought, price is correct - well, good to know now - it's because it sounds like price and both mean the same in german. Sorry for the inconvenience!) (see 2 posts below). Also, you are free to send notes to me. I always see when I get one (I know some people don't but I hope this will be corrected soon).
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(4) Posted by Zalmen Kornin [Friday, Jun 8, 2007 13:28]

Thank You, Siegfried - The link is working. To publish in English is still the best way of reaching a larger audience, at least people have no need of activating the translator machine...
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(5) Posted by Steven Dowd [Saturday, Jun 16, 2007 05:57]

Siegfried, I checked the English. Not bad, except for the typical German misuse of 'Price" for Prize". I only mention it becuase I would like to see less of it....

And the article was great, of course...
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(6) Posted by Boško Milošeski [Monday, Feb 18, 2008 17:35]; edited by Boško Milošeski [08-02-18]

New examples for colection Valladao Studies

1. Nikolaj KRALIN & Anatolij G. KUZNECOV
1-2.Pr. Sahmati v SSSR 1976
Win [+] [Black move]
1...0-0-0+ 2.Kg7 R:h8 3.K:h8 a4! 4.g5! Kb7 5.Kg8 h5! 6.gh5 (e.p.) Ka6 7.h7 Ka5 8.h8Q a6 9.Qc3#.

2. Vazha NEIDZE
HM V. Koroljkov JT 1978
Win [+]
1.0-0-0? e5 2.fe6(e.p) K:e6 3.R:d4 Rg8=.
1.Sf8+! R:f8! [1...S:f8 2.g8Q (2.gf8Q? Bc3+)] 2.gf8S! S:f8 3.0-0-0+! e5 4.fe6+(e.p.) S:e6 5.Sf4! Ke7! [5...S:f4 6.R:d4+] 6.S:e6 Be3+! 7.Kc2 K:e6 8.Re1! +-

1. com. Sahmatnaja poezija 2002
Win [+]
1.0-0! Ke7 2.R:f7+ K:d6 3.bc8S+! Q:c8 4.Rf8! Qb7 5.B:a3+ c5 6.dc6(e.p.) K:c6 7.Rf6+ d6 8.R:d6#

Sahmatnaja poezija 2004
Win [+]
1.d4+? cd3(e.p.) 2.c4+ Ke6! 3.0-0 d2 4.Bg7 h3 5.c5+ Kd7 6.f8S+ Ke8! =.
1.0-0! h3! 2.d4+ cd3(e.p.) 3.c4+ Ke6 4.c5+ Kd7 5.c6+! Q:c6 6.Be6+! Q:e6 7.f8S+! +-.
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(7) Posted by Siegfried Hornecker [Monday, Feb 18, 2008 17:57]; edited by Siegfried Hornecker [08-02-18]

1. Cooked (5...Kc8 draws)

2. Dual (4.Sf2 wins, too)

3. Dual (found by me, not listed in hhdbiii) 4.Bxa3+ Kxd5! 5.Rf8 Qb7 6.bxc7 Qxc7 7.Rf6 Qb8 (or hxg3 8.Rxa6) 8.Kg2! hxg3 9.Rxa6 etc

(= 7+8 )

Looks valid. I'll add this soon.
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(8) Posted by Siegfried Hornecker [Saturday, Nov 13, 2010 09:04]; edited by Siegfried Hornecker [10-11-13]

A small but funny thing I composed on 17.xi.2005:

(= 7+6 )

SH, original
White wins

The last moves obviously were (retro) 1. b5xc6+ e.p. c7-c5 2.b4-b5+

1...Kc7 2.Bxb2 Rxb2 3.d8Q+! Kxd8 4.O-O-O+ Kc7 5.Kxb2 wins

EDIT: Example 4 given above is also cooked:
@3: Pervakov=O Shakhmatnaya Poezia=38 21-12-2006 (information taken from hhdbiv)
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(9) Posted by Per Olin [Saturday, Nov 13, 2010 16:38]

This reminds me of an old joke: there are no correct endgame studies...there are only studies that have not been cooked yet.
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(10) Posted by Hauke Reddmann [Sunday, Nov 14, 2010 18:57]

Per, this is a great argument for "Nalimov studies" :-)

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(11) Posted by Yochanan Afek [Monday, Nov 15, 2010 17:45]

Costrff's study won a special prize in The Problemist 2006-2007 judged by Oleg Pervakov. There is another correct valladao recently composed but cannot be published yet.
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MatPlus.Net Forum Endgame studies Recent Valladão studies