Wins
60
Indexed tournament wins
Player record
Grenz, Bob
Losses
145
Indexed tournament losses
Matches
205
Decisive results
Win rate
29.3%
Across indexed matches
Peak rating
1,544
Highest rating in the available history.
Biggest upset
Sam Ignazzitto
Rose City Open · Jun 29, 1997 · +415 rating
Open →Biggest loss
Yan, Arlen
Rose City Open · Jun 29, 1997 · -550 rating
Open →Most frequent opponent
Sam Ignazzitto
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
21 tournament appearances · synced Aug 9, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 19, 1994 | Rose City OpenTournament · View matches | 1,362 | 1,380 | +18+23 / -5 | 3W / 4L |
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