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 |
|---|---|---|---|---|---|
| Apr 27, 2003 | Rose City Open TT TournamentTournament · View matches | 1,654 | 1,609 | -45+20 / -65 | 8W / 7L |
| Apr 6, 2003 | Tri Cities Spring OpenTournament · View matches | 1,638 | 1,654 | +16+16 / 0 | 8W / 2L |
| Mar 30, 2003 | 2003 Bellevue OpenTournament · View matches | 1,659 | 1,638 | -21 | 6W / 7L |
| Oct 20, 2002 | Tri-Cities Fall Open Double RRTournament · View matches | 1,683 | 1,659 | -24 | 8W / 2L |
| Oct 5, 2002 | Biggest Little Reno-Sparks OpenTournament · View matches | 1,737 | 1,683 | -54+0 / -54 | 1W / 4L |
| Jul 7, 2002 | 2002 U.S. OpenTournament · View matches | 1,724 | 1,737 | +13 | 8W / 13L |
| Jun 8, 2002 | 2002 Seattle OpenTournament · View matches | 1,610 | 1,724 | +114 | 8W / 4L |
| Jun 1, 2002 | Rose City OpenTournament · View matches | 1,711 | 1,610 | -101 | 8W / 9L |
| Apr 21, 2002 | Tri City Spring Open Double RRTournament · View matches | 1,727 | 1,711 | -16+10 / -26 | 8W / 2L |
| Jan 19, 2002 | Fairfield January OpenTournament · View matches | 1,762 | 1,727 | -35 | 3W / 4L |
| Dec 16, 2001 | Oregon TTC Dec RRTournament · View matches | 1,756 | 1,762 | +6+12 / -6 | 4W / 3L |
| Oct 21, 2001 | Tri-City open Fall Double RRTournament · View matches | 1,760 | 1,756 | -4+3 / -7 | 6W / 4L |
| Sep 1, 2001 | Back to School OpenTournament · View matches | 1,756 | 1,760 | +4+8 / -4 | 3W / 3L |
| Jul 8, 2001 | 2001 US Open 3Tournament · View matches | 1,747 | 1,756 | +9+36 / -27 | 10W / 11L |
| May 6, 2001 | 2001 WA State Open, Closed, TrTournament · View matches | 1,787 | 1,747 | -40 | 3W / 3L |
| Apr 22, 2001 | Tri-City Open Spring Double RRTournament · View matches | 1,784 | 1,787 | +3+8 / -5 | 7W / 3L |
| Dec 9, 2000 | Portland Double RR OpenTournament · View matches | 1,763 | 1,784 | +21+21 / 0 | 6W / 1L |
| Aug 12, 2000 | MTTC 2000 OpenTournament · View matches | 1,790 | 1,763 | -27+0 / -27 | 0W / 2L |
| Jun 17, 2000 | Three-Man Team OpenTournament · View matches | 1,801 | 1,790 | -11+0 / -11 | 1W / 4L |
| Jun 3, 2000 | Dragon Year OpenTournament · View matches | 1,799 | 1,801 | +2+2 / 0 | 5W / 0L |