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Case file

Leonid Shamkovich

Wikipedia's first sentence called it “chess grandmaster”. Today it says “chess grandmaster and chess writer”. The one-line description Wikipedia serves to search engines and AI systems read “Leonid Aleksandrovich Shamkovich 1980 Chess Olympiad in Malta”. It now reads “Soviet chess grandmaster”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2005 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2005

Leonid Shamkovich ( June 1 , 1923 – April 22 , 2005 ) was a chess Grandmaster . He was born in Rostov-on-Don in Russia .1 He became a Grandmaster in 1965 and won several tournaments, with his best victory coming at Sochi 1967, where he was equal first with Nikolai Krogius , Vladimir Simagin , Boris Spassky and Alexander Zaitsev . Other notable results included equal third at Moscow 1962 (behind Yuri Averbakh and Evgeny Vasiukov ) and third at Mariánské Lázně 1965 (behind Paul Keres and Vlastimil Hort ). Shamkovich left the Soviet Union in 1975, moving first to Israel , then Canada , and finally the United States , where he settled. He continued to play through the 1990s, and wrote several chess books.2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 17773431.
Today
Wikipedia's first sentence called it “chess grandmaster”. Today it says “chess grandmaster and chess writer”. The one-line description Wikipedia serves to search engines and AI systems read “Leonid Aleksandrovich Shamkovich 1980 Chess Olympiad in Malta”. It now reads “Soviet chess grandmaster”. Read the current article and compare.
2005201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2005, and today's defining sentence is their current revision.

Then

chess grandmaster

Now

chess grandmaster and chess writer

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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