Wins
0
Indexed tournament wins
Player record
Zapotosky, Mark
Losses
12
Indexed tournament losses
Matches
12
Decisive results
Win rate
0.0%
Across indexed matches
Peak rating
1,324
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Johnston, Raymond
Rubber City Fall Open · Sep 24, 2011 · -399 rating
Open →Most frequent opponent
Appana, Ramarao
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 12, 2026, 2:26 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 24, 2011 | Rubber City Fall OpenTournament · View matches | 1,324 | 1,283 | -41+0 / -41 | 0W / 6L |
| Nov 20, 2010 | Oberlin College OpenTournament · View matches · Initial rating 1,324 | Unrated | 1,324 | — | 0W / 6L |
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