Wins
3
Indexed tournament wins
Player record
Grenell, Mark
Losses
14
Indexed tournament losses
Matches
17
Decisive results
Win rate
17.6%
Across indexed matches
Peak rating
1,305
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Cobel, Scott
Grand Rapids Feb Open · Feb 17, 1996 · -66 rating
Open →Most frequent opponent
Edgerton, Myron
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 10, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 17, 1996 | Grand Rapids Feb OpenTournament · View matches | 1,292 | 1,282 | -10 | 0W / 8L |
| Apr 29, 1995 | MI April OpenTournament · View matches | 1,305 | 1,292 | -13+0 / -13 | 1W / 1L |
| Feb 18, 1995 | Grand Rapids Two Man Team OpenTournament · View matches · Initial rating 1,305 | Unrated | 1,305 | — | 2W / 5L |
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