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01-Oct-2019

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MatPlus.Net Forum General Most Discovered Checkmates In A Legal Position Record?
 
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(1) Posted by Rewan Demontay (Real Name: J. Malcom) [Friday, May 3, 2019 22:54]

Most Discovered Checkmates In A Legal Position Record?


Is there a known record for the most discovered checkmates in a legal position? If the moving piece checks that move does not count, as that is a double check.

I managed to find 64 on my own. The black bishop is there for legality’s sake. Otherwise, what was black’s last move? An illegal king move I tell ya!

(= 16+2 )


The Breakdown- Rb7-12, Rc4-12, Bd3-7, Be5-13, Re6-8, Rg2-12

Also, just a side note of interest, 14 is the obvious limit for most doublecheck checkmates in a legal position.

(= 15+2 )

 
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(2) Posted by seetharaman kalyan [Saturday, May 4, 2019 08:08]

Did you check Morse book?
 
 
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(3) Posted by Rewan Demontay (Real Name: J. Malcom) [Saturday, May 4, 2019 13:37]

What Morse book? I don’t own any chess books, so no,
 
   
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(4) Posted by Rajendiran Raju [Saturday, May 4, 2019 14:25]; edited by Rajendiran Raju [19-05-04]

Sir Christopher Jeremy Morse (10-12-1928 - 04-02-2016) British composer and Honorary Master

As a chess writer, he wrote "Chess Problems: Tasks and Records": he was indeed specialized in records, compiled them and regularly published the new records in "The Problemist , World's renowned 100 years old Chess Problem Magazine.

Following is the link for his third edition Task and Records.

https://books.google.com/books/about/Chess_Problems.html?id=VpSXCwAAQBAJ
 
   
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(5) Posted by Adrian Storisteanu [Saturday, May 4, 2019 17:08]

Various construction tasks are also a feature of Jeff Coakley's "The Puzzling Side of Chess" column:

http://www.coakleychess.com/puzzlingside

Click on the 'ARCHIVES' to check the 'Index' and all the previous articles.
 
   
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(6) Posted by Jacques Rotenberg [Sunday, May 5, 2019 00:36]

(= 15+2 )

16 if you say promotions in rook or queen are different moves
 
   
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(7) Posted by Rewan Demontay (Real Name: J. Malcom) [Sunday, May 5, 2019 01:55]; edited by Rewan Demontay (Real Name: J. Malcom) [19-05-05]

I have heard about the Problemist before. I guess I just didn’t know any information about it. And that’s a nice thought regarding 16. I suppose I can accept different promotions counting as different moves for a side-category.
 
   
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(8) Posted by Jacques Rotenberg [Sunday, May 5, 2019 01:57]

"...I have heard about the Problemist before...." what do you mean ?
 
   
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(9) Posted by Rewan Demontay (Real Name: J. Malcom) [Sunday, May 5, 2019 01:59]

On Chess Stack Exchange “The Problemist” is occasionally cited as a source.
 
   
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(10) Posted by seetharaman kalyan [Sunday, May 5, 2019 19:01]

The Problemist is a famous English magazine devoted exclusively to chess composition.
 
   
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(11) Posted by Jacques Rotenberg [Sunday, May 5, 2019 19:42]

(= 11+4 )

16, Lighter and with less promotees
 
   
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(12) Posted by Rewan Demontay (Real Name: J. Malcom) [Sunday, May 5, 2019 20:02]

16 if you count different promotions as different moves that is. Very nice job!
 
 
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MatPlus.Net Forum General Most Discovered Checkmates In A Legal Position Record?