Wins
23
Indexed tournament wins
Player record
Mark Peiffer
Losses
54
Indexed tournament losses
Matches
77
Decisive results
Win rate
29.9%
Across indexed matches
Peak rating
1,261
Highest rating in the available history.
Biggest upset
Henry Werner
Manor Church U2000 Giant RR Open · Jun 21, 2008 · +455 rating
Open →Biggest loss
Stephen Chow
Eastern Open on the 2008 JOOLA · May 25, 2008 · -354 rating
Open →Most frequent opponent
John Corona
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
10 tournament appearances · synced Aug 26, 2026, 2:26 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 6, 2009 | 2009 Manor Church Giant RR U-2Tournament · View matches | 1,050 | 1,261 | +211 | 4W / 12L |
| May 17, 2009 | NJTTC May OpenTournament · View matches | 1,044 | 1,050 | +6+49 / -43 | 3W / 3L |
| Apr 26, 2009 | 2009 PA State Championships ClTournament · View matches | 1,010 | 1,044 | +34 | 2W / 4L |
| Apr 5, 2009 | NJTTC April OpenTournament · View matches | 1,015 | 1,010 | -5+2 / -7 | 3W / 2L |
| Mar 15, 2009 | NJTTC March OpenTournament · View matches | 1,146 | 1,015 | -131 | 1W / 5L |
| Sep 14, 2008 | 2008 NA Tour Finals OpenTournament · View matches | 1,165 | 1,146 | -19+7 / -26 | 2W / 3L |
| Sep 7, 2008 | NJTTC September OpenTournament · View matches | 1,239 | 1,165 | -74 | 2W / 5L |
| Jun 21, 2008 | Manor Church U2000 Giant RR OpenTournament · View matches | 955 | 1,239 | +284 | 3W / 9L |
| May 25, 2008 | Eastern Open on the 2008 JOOLATournament · View matches | 1,096 | 955 | -141+0 / -141 | 0W / 5L |
| Apr 20, 2008 | PA State Championship (Closed)Tournament · View matches · Initial rating 1,096 | Unrated | 1,096 | — | 3W / 6L |
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