Wins
598
Indexed tournament wins
Player record
Mark Kobernick
Losses
433
Indexed tournament losses
Matches
1,031
Decisive results
Win rate
58.0%
Across indexed matches
Peak rating
1,857
Highest rating in the available history.
Biggest upset
Tan, Rendinald
Tri-Cities Fall Open Double RR · Oct 19, 2008 · +436 rating
Open →Biggest loss
Pifer, Fletcher
2009 Rose City Open · Jun 28, 2009 · -910 rating
Open →Most frequent opponent
Mason, William
21 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
104 tournament appearances · synced Aug 8, 2026, 3:32 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 13, 1994 | Pacific Rim OpenTournament · View matches | 1,457 | 1,459 | +2 | 3W / 2L |
| Oct 16, 1994 | Tri Cities FallTournament · View matches | 1,436 | 1,457 | +21 | 7W / 3L |
| Aug 20, 1994 | Portland OpenTournament · View matches | 1,482 | 1,436 | -46 | 2W / 4L |
| Jul 23, 1994 | Seafair OpenTournament · View matches | 1,473 | 1,482 | +9 | 5W / 2L |
101–104 of 104
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