Wikipedia's first sentence called it “chess grandmaster”. Today it says “bulgarian chess player”. The one-line description Wikipedia serves to search engines and AI systems read “Bulgarian chess player”. It now reads “Bulgarian chess grandmaster (born 1949)”.
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.
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The opening as it read in 2025
Evgenij Petkov Ermenkov ( Bulgarian : Евгени Петков Ерменков ; born 29 September 1949) is a Bulgarian chess player. FIDE awarded him the titles International Master , in 1974, and Grandmaster in 1977. Ermenkov won the Bulgarian championship in 1973, 1975 (after a play-off), 1976, 1979 (after a play-off) and 1984 (jointly). In international competition, he has had tournament victories, including Albena 1977 (and 1979), Plovdiv 1978 (and 1979), Varna 1986, Dieren 1990 (Open Dutch Championship), Beirut 2004 and Imperia 2005. He has a long career in team chess, beginning at the World Student Olympiad of 1972, where he represented his country of birth. Graduating to the full Bulgarian men's team, he first played at the European Team Chess Championship in 1977 (Moscow) and won an individual bronze medal in 1983 (Plovdiv). At the Chess Olympiad , he represented Bulgaria from 1978 to 1992, taking individual bronze in 1990. From 1992, there was a break from team chess which lasted twelve years, during which time he switched his place of residence and chess registration to Palestine. Playing for his adopted nation in the Olympiad from 2004 to 2008, he won the gold medal at Calvià 2004 for the best result on first board (87.5%, 10½/12) and at Turin 2006 , the silver medal (85%, 8½/10, again on top board). But later, he returned to Bulgaria.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1289567499.
The opening as it stood in 2010
Evgenij Petkov Ermenkov ( ) (born 29 September 1949) is a chess Grandmaster (GM). Born in Sofia , Bulgaria, he now plays for Palestine . Ermenkov won the Bulgarian Championship in in 1973, 1975 (after a play-off), 1976, 1979 (after a play-off) and 1984 (jointly). In international competition, he has had many tournament victories, including Albena 1977 (and 1979), Plovdiv 1978 (and 1979), Varna 1986, Dieren 1990 (Open Dutch Championship), Beirut 2004 and Imperia 2005. He has a long and illustrious career in team chess, beginning at the World Student Olympiad of 1972, where he represented his country of birth. Graduating to the full Bulgarian men's team, he first played at the European Team Championship in 1977 (Moscow) and won an individual bronze medal in 1983 (Plovdiv). At the Olympiad , he represented Bulgaria from 1978-1992, taking individual bronze in 1990. From 1992, there was a break from team chess which lasted twelve years, during which time he switched his place of residence and chess registration to Palestine. Playing for his adopted nation in Olympiads from 2004-2008, he won the gold medal at Calvià 2004 for the best result on first board (87.5%, 10½/12) and at Turin 2006 , the silver medal (85%, 8½/10, again on top board). Ermenkov earned the International Master (IM) title in 1974 and the GM title in 1977.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 352373425.
The opening as it stood in 2015 2 passages from the previous snapshot no longer appear
Evgenij Petkov Ermenkov ( ; born September 29, 1949 in Sofia ) is a Bulgarian chess Grandmaster (GM). Ermenkov won the Bulgarian Championship in 1973, 1975 (after a play-off), 1976, 1979 (after a play-off) and 1984 (jointly). In international competition, he has had many tournament victories, including Albena 1977 (and 1979), Plovdiv 1978 (and 1979), Varna 1986, Dieren 1990 (Open Dutch Championship), Beirut 2004 and Imperia 2005. He has a long and illustrious career in team chess, beginning at the World Student Olympiad of 1972, where he represented his country of birth. Graduating to the full Bulgarian men's team, he first played at the European Team Chess Championship in 1977 (Moscow) and won an individual bronze medal in 1983 (Plovdiv). At the Olympiad , he represented Bulgaria from 1978 to 1992, taking individual bronze in 1990. From 1992, there was a break from team chess which lasted twelve years, during which time he switched his place of residence and chess registration to Palestine. Playing for his adopted nation in Olympiads from 2004 to 2008, he won the gold medal at Calvià 2004 for the best result on first board (87.5%, 10½/12) and at Turin 2006 , the silver medal (85%, 8½/10, again on top board). Ermenkov earned the International Master (IM) title in 1974 and the GM title in 1977. Olimpbase - Ermenkov's personal record of team events
Red text was written in or rewritten since the previous snapshot. Their copy is revision 601973000.
The opening as it stood in 2020 3 passages from the previous snapshot no longer appear
Bulgarian chess player Evgenij Petkov Ermenkov ( ; born 29 September 1949) is a Bulgarian chess player.FIDE awarded him the titles International Master , in 1974, and Grandmaster in 1977. Ermenkov won the Bulgarian championship in 1973, 1975 (after a play-off), 1976, 1979 (after a play-off) and 1984 (jointly). In international competition, he has had many tournament victories, including Albena 1977 (and 1979), Plovdiv 1978 (and 1979), Varna 1986, Dieren 1990 (Open Dutch Championship), Beirut 2004 and Imperia 2005. He has a long and illustrious career in team chess, beginning at the World Student Olympiad of 1972, where he represented his country of birth. Graduating to the full Bulgarian men's team, he first played at the European Team Chess Championship in 1977 (Moscow) and won an individual bronze medal in 1983 (Plovdiv). At the Chess Olympiad , he represented Bulgaria from 1978 to 1992, taking individual bronze in 1990. From 1992, there was a break from team chess which lasted twelve years, during which time he switched his place of residence and chess registration to Palestine. Playing for his adopted nation in the Olympiad from 2004 to 2008, he won the gold medal at Calvià 2004 for the best result on first board (87.5%, 10½/12) and at Turin 2006 , the silver medal (85%, 8½/10, again on top board).
Red text was written in or rewritten since the previous snapshot. Their copy is revision 940475255.
Today
Wikipedia's first sentence called it “chess grandmaster”. Today it says “bulgarian chess player”. The one-line description Wikipedia serves to search engines and AI systems read “Bulgarian chess player”. It now reads “Bulgarian chess grandmaster (born 1949)”. Read the current article and compare.
2010
2015
2020
Oct '23
2025
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 2010, and today's defining sentence is their current revision.
Then
chess grandmaster
Now
bulgarian chess player
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.
