Author: Sune Larsson
Date: 13:00:14 12/15/02
Go up one level in this thread
On December 15, 2002 at 15:19:24, Sune Larsson wrote: >On December 15, 2002 at 14:22:15, Hardi Baur wrote: > >>On December 15, 2002 at 12:31:19, Sune Larsson wrote: >> >>>On December 15, 2002 at 12:11:27, Hardi Baur wrote: >>> >>>>Where did you find this "2.8 million game" database? >>>> >>>>I just know a database with 500k games at http://scid.sourceforge.net/base.html >>> >>> >>> http://www.uib.no/people/pfvaf/chesslib/ >>> >>> and as all those big db:s out there, of >>> shifting quality, I presume. Have you seen >>> a couple of pesky doubles, then you know what >>> I mean... > >> >>Thanks for the link. Yes you're right there will be a number of doubles but scid >>has really nice functions to filter it. >> >>Does anybody know when the next version of scid will be available and what are >>the future plans of this great software? >> >>By the way: thanks Shane Hudson for it, it is in use! :-) > > > Yup, Scid is a great software. I like it a lot. But with pesky doubles > I mean them false, phony, wrong games that cannot be detected by Scid, CB > or CA. They are bound to be there if you collect games from different > sources. As I'm interested in historical games I have spent "some" time ;-) > during the last year, trying to correct the oldest part of Neven's db - > 1600-1969, divided into 3 parts. After the basics like name corrections, > running the games through Scid, CB and CA in the hunt for doubles and tourney > corrections - the pesky doubles remained. Many are found if you look at > the tourneys - f.e. Buenos Aires 1945 should contain 78 games. But if you > instead find 86 games with 6 "double pairings" seen in the crosstable?! > Not very nice... A closer look revealed 8 phony, totally wrong games. > This work has given me much greater respect for quality db:s, like the CB > Big/Mega. > > /s After black's 18th move some interesting things happened... Somebody just forgot the e.p move... So we have an example of a nasty duplicate. [Event "Alma Ata SU ch"] [Site "Alma Ata SU ch"] [Date "1968.??.??"] [Round "?"] [White "Tal, M."] [Black "Kholmov, R."] [Result "1/2-1/2"] [ECO "C43"] [WhiteElo "2640"] [BlackElo "2475"] [PlyCount "54"] [EventDate "1968.??.??"] 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6 7. Be3 Nxd4 8. Bxd4 Qh4 9. Be3 Qb4+ 10. c3 Qe4 11. f4 d5 12. Nd2 Qg6 13. Nf3 c6 14. O-O-O Be7 15. Rg1 h5 16. Qf2 Ne4 17. Qc2 b5 18. Bd3 f5 19. Bc5 Kf7 20. Nd2 Nxc5 21. Bxf5 Qxg2 22. b4 Nb7 23. Qd3 Qe2 24. Bg6+ Kf8 25. Rge1 Qxe1 26. Rxe1 Nd6 27. Nf3 Rh6 1/2-1/2 [Event "SU ch36 Alma-Ata"] [Site "SU ch36 Alma-Ata"] [Date "1968.??.??"] [Round "?"] [White "Tal, M."] [Black "Kholmov, R."] [Result "1/2-1/2"] [ECO "C43"] [WhiteElo "2640"] [BlackElo "2475"] [PlyCount "64"] [EventDate "1968.??.??"] 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6 7. Be3 Nxd4 8. Bxd4 Qh4 9. Be3 Qb4+ 10. c3 Qe4 11. f4 d5 12. Nd2 Qg6 13. Nf3 c6 14. O-O-O Be7 15. Rg1 h5 16. Qf2 Ne4 17. Qc2 b5 18. Bd3 f5 19. exf6 Bxf6 20. Bc5 Bf5 21. Rge1 Kf7 22. Nd2 Nxc5 23. Bxf5 Qxg2 24. b4 Nb7 25. Qd3 Rae8 26. Rg1 Qe2 27. Bg6+ Kf8 28. Rge1 Qxe1 29. Rxe1 Rxe1+ 30. Kc2 Nd6 31. Nf3 Re7 32. Nd4 Rh6 1/2-1/2 /s
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