Christopher Kreuzer wrote:Flear, an IM at the time (he became a GM the following year), was a last-minute substitute for Karpov
Christopher Kreuzer wrote:One example I know of is Glenn Flear winning the GLC Chess Challenge in 1986. This event followed the previous three events in 1980, 1982 and 1984 (sponsored by Phillips & Drew and organised with the GLC). The 1986 event was just the GLC. Flear, an IM at the time (he became a GM the following year), was a last-minute substitute for Karpov, and won the event ahead of a strong field. I'm not sure what the exact TPR and ELO differential was, but it is considered to be one of the big upsets in tournament history, and it got a lot of coverage because he got married during the event!
Or are you referring to single games only?
Geoff Chandler wrote:If you are doing it by grade then Kasparov at Banja Luka 1978 is up there.
At the time Kasparov did NOT have a FIDE grade when he finished 2 clear points
ahead after a 15 round all play all with a field containing 14 Grandmasters.
That is going to take some beating.
Kevin Thurlow wrote:In 1992 I (graded 185) beat Graham Lee (226) in a rather wild game and then a couple of days later lost to Roger Barnett (140), and it certainly wasn't a case of me thinking that I could then beat any one...
LozCooper wrote:Last season one of the players I coach, who was graded 124 at the time, beat a 160 the week before I lost (my grade was 209) to the same 160!
Jon D'Souza-Eva wrote:Andy Dunn (Hackney) beating Andrew Whiteley (King's Head) as black in six moves was quite impressive:
I guess Andy Dunn's grade must have been around 160 at the time and Whiteley's something like 210 (and he's an IM).
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