#227 Bug find duplicates with Scid 5.0.2

[Jonathan]

I check this pgn file for duplicates with these settings https://imgur.com/a/lT8zvoo

Scid find the games which are not duplicates in anyway.
https://imgur.com/a/igB66pD
https://imgur.com/a/OW3EewY

These are just some examples, you can check for yourself, I have included the pgn.
With Scid 4.7 I don't get these errors when searching for duplicates.

[Jonathan]

I just did a test and I have the same problem when searching for duplicates with Scid 4.7

[Jonathan]

Can it be fixed for future updates please?

On Thu, Feb 29, 2024 at 7:46 AM Steven stevenaaus@users.sourceforge.net
wrote:

Hmmm. ScidvsPC behaves the same. Probably the cause is
that the movelists are not actually compared.

// Furthermore, the moves of one game should, after truncating, be the
// same as the moves of the other game, for them to be duplicates.
// We do not check this, but do check that their home pawn change
// lists are the same (for the length of the shorter change list) which
// is an approximation but is much faster to check.

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[bugs:#227] https://sourceforge.net/p/scid/bugs/227/ Bug find
duplicates with Scid 5.0.2

Status: open
Group: v.5.0
Created: Sat Feb 24, 2024 08:21 PM UTC by Jonathan
Last Updated: Sat Feb 24, 2024 08:26 PM UTC
Owner: nobody
Attachments:

• Hans_Nieman_white_minmoves2_mainlines.pgn
  https://sourceforge.net/p/scid/bugs/227/attachment/Hans_Nieman_white_minmoves2_mainlines.pgn
  (131.9 kB; application/octet-stream)

I check this pgn file for duplicates with these settings
https://imgur.com/a/lT8zvoo

Scid find the games which are not duplicates in anyway.
https://imgur.com/a/igB66pD
https://imgur.com/a/OW3EewY

These are just some examples, you can check for yourself, I have included
the pgn.
With Scid 4.7 I don't get these errors when searching for duplicates.

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