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MatPlus.Net Forum General The Encyclopedia of Chess Problems
 
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(21) Posted by seetharaman kalyan [Monday, Oct 1, 2012 08:30]

The Ugo Degener book is available online.
http://www.udo-degener-verlag.de/dombro07.pdf
 
   
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(22) Posted by Hauke Reddmann [Monday, Oct 1, 2012 18:43]

Dozen? Don't know, but Udo Degeners handbook on #2 themes alone
has a few hundred pages already. (And I won't assume that #2 themes already
make 50% of the jargon :-)

Hauke
 
   
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(23) Posted by Eugene Rosner [Wednesday, Oct 3, 2012 05:23]

on the topic of Dombrovskis. Baruch Lender I believe has tripled the theme(3 tries, 3 post key variations). Can anyone share a nice tripling here? has a quadrupling been done?
 
   
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(24) Posted by Ian Shanahan [Wednesday, Oct 3, 2012 08:52]; edited by Ian Shanahan [12-10-03]

@Eugene. I can recall seeing at least one quadrupling of the Dombrovskis theme quoted many years ago in "The Problemist", by a Greek composer I think? Jeremy Morse's book "Tasks and Records" should also answer your question! Also, Geoff Foster wrote an article in "The Problemist" during the mid-'90s on the Focal Dombrovskis, which, if I recall correctly, included a quadruple Dombrovskis. (These issues can now be downloaded from the BCPS Members' Area.)
 
   
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(25) Posted by Jacques Rotenberg [Wednesday, Oct 3, 2012 13:29]

Demetrios Kapralos
Probleemblad 1985
148th T.T. 3rd Prize
(= 10+8 )
2#

1.Qd7? [2.Se6‡ A] but 1…Kd4! a
1.Rb4? [2.Bb6‡ B] but 1…Bb5! b
1.Sf5? [2.Bb4‡ C] but 1…d4! c
1.Q×f3? [2.Q×d5‡ D] but 1…e4! d

1.Qf5! blocus
1…Kd4 a 2.Se6‡ A
1…Bb5 b 2.Bb6‡ B
1…d4 c 2.Bb4‡ C
1…e4 d 2.Q×d5‡ D
1…B×c6 2.Se6‡
 
   
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(26) Posted by Jacques Rotenberg [Wednesday, Oct 3, 2012 13:48]

Miodrag Mladenovic
Phenix 2003
(= 15+7 )
2#

1.Sg2? [2.Qe2‡ A] but 1…Rh4! a
1.Sh3? [2.Q×h5‡ B] but 1…Rf2! b
1.d7? [2.e×f7‡ C] but 1…Q×c5! c
1.Ba2? [2.c4‡ D] but 1…Qb7! d

1.Bb5! blocus
1…Rh4 a 2.Qe2‡ A
1…Rf2 b 2.Q×h5‡ B
1…Q×c5 c 2.e×f7‡ C
1…Qb7 d 2.c4‡ D
1…f×e6 2.Re×e6‡
1…Rh1,Rh3,Re2 2.Q(×)e2‡
1…h4, Rg2 2.Q(×)h5‡
1…Q×a1,Qa2,Qa3,Qa4,Qa5,Qa6,Qa8 2.e×f7‡
1…Qc7,Q×e7 2.c4‡
 
   
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(27) Posted by Jacques Rotenberg [Wednesday, Oct 3, 2012 13:59]

Miodrag Mladenovic
The Problemist 2004
1st Sp. H.M.
(= 13+8 )
2#

1.Bc8? [2.h8=Q‡ A] but 1…Qb7! a
1.Bc6? [2.R×d5‡ B] but 1…Qd8! b
1.Bb5? [2.Sf5‡ C] but 1…c4! c
1.Qg1? [2.Be5‡ D] but 1…Rf2! d
1.Qe1? [2.Be5‡ D] but 1…Re2! e

1.Qc1! blocus
1…Qb7 a,Qc6 2.h8=Q‡ A
1…Q~8 b 2.R×d5‡ B
1…c4 c 2.Sf5‡ C
1…Rf2 d 2.Be5‡ D
1…Re2 e 2.Be5‡ D
1…R×g2,Rd1 2.Be5‡
 
   
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(28) Posted by Jacques Rotenberg [Wednesday, Oct 3, 2012 14:07]

Andrei Zhuravlev
Probleemblad 1993
(= 12+5 )
2#

1.Rda5? [2.Sb3‡ A] but 1…Re7! a
1.Rb5? [2.Sa2‡ B] but 1…Re8! b
1.Rd8? [2.Bg7‡ C] but 1…Rb3! c
1.Rd7? [2.Bf8‡ D] but 1…Ra3! d

1.Se3! blocus
1…Re7 a 2.Sb3‡ A
1…Re8 b 2.Sa2‡ B
1…Rb3 c 2.Bg7‡ C
1…Ra3 d 2.Bf8‡ D
1…f4 2.Rh5‡
 
 
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(29) Posted by Eugene Rosner [Wednesday, Oct 3, 2012 17:11]

Wow! How the floodgates have opened! thanks for the examples! I can see our friend Peter G. getting a hold of this and starting a new article!
 
   
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(30) Posted by Jan Hein Verduin [Wednesday, Oct 3, 2012 18:24]

A predecessor, but with only two mating moves:

H. Bartolovic
Probleemblad 1976

(= 9+5 )

#2

1.Rc7?(2.Qh8),Ke5!
1.Re7?(2.Qa7),Kc5!
1.Nd3?(2.Qh8),Kc3!
1.Re3?(2.Qa7),Kxe3!

1.Rxf2!,Ke5/Kc5/Kc3/Ke3 2.Qh8/Qa7/Qh8/Qa7
 
   
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(31) Posted by seetharaman kalyan [Wednesday, Oct 3, 2012 20:44]

This thread was about Milan's Encyclopedia ! not Dombrovskis !
 
 
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(32) Posted by Sven Hendrik Lossin [Wednesday, Oct 3, 2012 22:33]

"(1) The only way I can understand and explain your cynism is: a revange for my remark on the WCSC selfmates (one of which was signed by you). I am sorry if I offended you, but between being nice and being open I have always opted for the latter (and that will not change in the future)."

First of all: I like people being that way because I am, too. It was in no way a remark that was meant to be cynism. I was really surprised that one book is enough for that purpose. And on the other hand I can understand that you have to decide what should be in it and what should not.
There is no revenge at all although there is an interesting aspect to that: You judged some problems not knowing them at all and I posed my opinion about your book not having read a single word.

"(2) In our "single volume" knowledge there was neither "Selivanov theme", nor "Gamnitzer theme". Otherwise, there are good chances that they would have been illustrated with examples of these two masters."

I think this is more an aspect of what has been given a concrete name and what has not. Gamnitzer has invented a lot of themes that would deserve to be connected with his name. But who decides about that?

"You should have in view the fact that the majority of chess problem themes originate from orthodox direct mates (or endgames) and that there are, in relative terms, only sporadic selfmate-specific themes. Consequently, it was not likely that many (if any) problems by specialists of the selfmate genre would be quoted in a book of this type ("Encyclopedy of Chess Problems - Themes and Terms" - note the subtitle!)."

This may be true for two- and three-movers. But I don't agree for longer selfmates. I think that there is a lack of the formal act to classify them and giving them names. And while some themes in #2 have been shown several houndred times there are only very few in some selfmate themes and they are connected to a single composer.
 
   
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(33) Posted by Ian Shanahan [Tuesday, Oct 23, 2012 05:59]; edited by Ian Shanahan [12-10-25]

My copy of the Encyclopedia arrived yesterday, and I am absolutely astonished by it. This book is MAGNIFICENT! Heartiest congratulations to Milan and Kari. Although I have been a devotee of chess composition for more than 35 years, on just about every page I encounter a topic that is new to me. My only slight criticism is that the English is a bit less than perfect (I hereby volunteer to help in this regard for the 2nd edition!). So far, I can think of only a handful of chess-problem ideas not discussed therein: the Tailcut theme*, the 'Shanahan blend' (i.e. primary combinative separation + [secondary] black correction]), split progressive separation,** and Pacific retractors - but these are minor quibbles, since it would be impossible for such a volume to be absolutely comprehensive. I cannot recommend this treasure-trove of problem knowledge more highly. Every problemist should have a copy on their shelves.

* Tailcut theme: A black piece is pinned (usually by the white queen, who is supported from behind by the appropriate line piece, such that if the queen vacates the line, the pinned black piece remains pinned); white's key threatens a mate from the queen by moving off the line; black defends by cutting the line - in front of or, better yet, behind the queen - so that if the threat is attempted, the black pinned man is unpinned and able to defeat the threat (i.e. a prospective interference unpin). I believe this idea was pioneered by the English comnposer Noel Bonavia-Hunt; Arthur Gooderson also composed a number of fine examples.

** Split progressive separation. A doubling of progressive separation starting from the same multiple - e.g. ABCD, ABC, AB, A, [X]; (ABCD), BCD, CD, D,[Y]
 
   
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(34) Posted by Kari Valtonen [Wednesday, Oct 24, 2012 19:53]

Dear Ian, I was very pleased about your enthusiastic comment on THE ENCYCLOPEDIA. It was also a good thing that you inserted the themes that you found missing in the book. I could recognize all of them except for this tail-cut theme. I have not discussed with Milan the practical measures we are going to take as regards to compiling such data (as well as notfications about errors), i.e. where and how it will be collected in the future, but I am sure Milan as the Administrator will find a good solution.

And yes, we were a little bit worried about the language, because as we pointed out, English is not the native language of either author. Because of the fairly tight schedule, we could use the proof-reding help at a late stage of the work, and at that point the proof-readers were probably able to pay attention to the most obvious flaws and shortcomings, less to stilistic matters and finer points of language. Thank you for offering us help for our future needs!
 
   
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(35) Posted by seetharaman kalyan [Thursday, Oct 25, 2012 08:15]

Got my copy. Amazing compilation. Well done Milan Velimirovic and Kari Valtonen!
 
   
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(36) Posted by Sarah Hornecker [Sunday, Oct 28, 2012 04:47]

There are no words for the amount of work this must have taken! "Unfortunately", no composer will be able to afford to miss this book since to my knowledge this is the book that fills the gaping hole there was on a comprehensive compilation of theme definitions. Sure, there were some attempts to create those, but the ECP with its numerous examples is the best literature there currently is. In its approach it of course is unable to go into details on themes, rather it gives us definitions and often an example. It is - as it says - an encyclopedia. An in-depth analysis on all themes would require a library instead.

I will look forward to more volumes, since there will surely be enough material to fill another encyclopedia, for example the "Encyclopedia of Chess Composers".
 
   
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(37) Posted by Michael McDowell [Thursday, Nov 8, 2012 12:54]

Another possibility for those who want to order this excellent book is Chess Direct.

http://www.chessdirect.co.uk/
 
   
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(38) Posted by Sven Hendrik Lossin [Wednesday, Jan 9, 2013 23:56]

I have my copy since christmas.
I appreciate the lot of work you have done. Great!

Is there something like Errata, i.e. a list where I can put in errors and mistakes to help improving your work?
Where can I add some issues that I did not find in your work so that they can be part of a revised edition?
 
   
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(39) Posted by Hauke Reddmann [Saturday, Jul 26, 2014 13:11]

The Hamburg public lib has it now, and the (for me :-) obvious
question arises: shall we crowdsource an errata list here on the forum?
(Even when the tragic death of Milan makes a 2nd edition unprobable.)
A monumental work like this is bound to have errors - since
I'm almost a pro when it comes to draft corrections, I already
found a few typos.

Hauke
 
   
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(40) Posted by Sarah Hornecker [Saturday, Jul 26, 2014 16:06]; edited by Sarah Hornecker [14-07-27]

Here is an error:
The term Stalemate, perpetual gives a wrong diagram number on definition 2.

The term Stalemate, reciprocal is missing. (In a study, in one thematic variation White stalemates Black while in another thematic variation Black stalemates White.)
EDIT: Nevermind, it's at "Reciprocal Stalemate".
 
   
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