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Normal Topic help with chessbase 17 search filter: hanging pawn (Read 1692 times)
Paddy
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Re: help with chessbase 17 search filter: hanging pawn
Reply #5 - 08/14/23 at 22:30:54
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an ordinary chessplayer wrote on 08/14/23 at 12:45:20:
I think the definition of hanging pawns also includes that the isolated couple are on semi-open files. Wasn't that how Nimzowitsch gave it? (My books are in storage at the moment.)

If that's the case, the search criteria should also specify six black pawns on files a to b and e to h.


I agree. I would start by doing a search for what is probably the most common white Hanging Pawns position by placing white pawns in the search mask at a2, c4, d4, f2, g2, h2 and black pawns at a7, b6, e6, f7, g7 and h7;
then on the Exclude board I would place white pawns at b2, b3, b4, b5, e2,e3,e4,e5 and black pawns at c5, c6, c7, d5,d6,d7.
Then I would click OK and then view the results.

Terminology: 
Many sources make no distinction between e.g. white pawns "hanging" at c4/d4 and c3/d4. 

Others, starting I think with Nimzowitsch, make a distinction, referring to the pawns at c3/d4 as an "Isolated Pawn Couple" and reserving the term "Hanging Pawns" for pawns at c4/d4.
Some time ago I bookmarked these two links, which might be useful:
https://www.chessmasterschool.com/clients/mainfiles/07a87534jfk/theory/isolatedp...
and
https://www.chessmasterschool.com/clients/mainfiles/07a87534jfk/theory/hangingpa...
  
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an ordinary chessplayer
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Re: help with chessbase 17 search filter: hanging pawn
Reply #4 - 08/14/23 at 12:45:20
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I think the definition of hanging pawns also includes that the isolated couple are on semi-open files. Wasn't that how Nimzowitsch gave it? (My books are in storage at the moment.)

If that's the case, the search criteria should also specify six black pawns on files a to b and e to h.
  
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FMCharless
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Re: help with chessbase 17 search filter: hanging pawn
Reply #3 - 08/13/23 at 22:16:20
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thanks I will try this out.
  
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Paddy
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Re: help with chessbase 17 search filter: hanging pawn
Reply #2 - 08/13/23 at 14:06:33
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FMCharless wrote on 08/11/23 at 01:11:37:
hi,
I have a situation with chessbase 17. I put black pawns on e6 d6 b6 a6 and I get all the positions with that hedgehog position. What I do is when the search feeds me all the results, I select all games and then "selection to book" and I see how we get all these hedgehog pawn formations through their correspoding move orders.

pretty cool right?

well now I put white pawns on a2 c4 d4 f2 g2 h2 to get a hanging pawns formation.

well I get none of that, I get no hanging pawns, all i get is queens gambits ( pawns on c4 d4 etcetera) no hanging pawns then.


does anyone know if I am doing something wrong? it would be great to be able to find hanging pawns.

Thank you friends.


I don't have CB 17 but in earlier versions, to search for games with a particular pawn formation you need to set up the pawns in the search board appropriately (N.B. only the pawns that are essential to the structure you are interested in) but then also set up the pawns you definitely don't want included on the 'Exclude board".

You can also set up small variations using the 'Or board', but I suggest first mastering the basic operation I've described above.

Hope this helps.
  
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an ordinary chessplayer
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Re: help with chessbase 17 search filter: hanging pawn
Reply #1 - 08/12/23 at 03:26:11
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The only time I have used the position filter in ChessBase is searching for the current board. However, thinking logically, when searching for a partial position placing a white pawn on a2 and a white pawn on c4 isn't enough to tell the program there's no white pawn on the b-file. Limiting the number of white pawns to six should work. There are probably other ways.
  
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FMCharless
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help with chessbase 17 search filter: hanging pawn
08/11/23 at 01:11:37
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hi,
I have a situation with chessbase 17. I put black pawns on e6 d6 b6 a6 and I get all the positions with that hedgehog position. What I do is when the search feeds me all the results, I select all games and then "selection to book" and I see how we get all these hedgehog pawn formations through their correspoding move orders.

pretty cool right?

well now I put white pawns on a2 c4 d4 f2 g2 h2 to get a hanging pawns formation.

well I get none of that, I get no hanging pawns, all i get is queens gambits ( pawns on c4 d4 etcetera) no hanging pawns then.


does anyone know if I am doing something wrong? it would be great to be able to find hanging pawns.

Thank you friends.
  
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