Wins
20
Indexed tournament wins
Player record
Mark Lockenmeyer
Losses
29
Indexed tournament losses
Matches
49
Decisive results
Win rate
40.8%
Across indexed matches
Peak rating
1,087
Highest rating in the available history.
Biggest upset
Cornelius Chan
2008 Life West Open · Aug 31, 2008 · +457 rating
Open →Biggest loss
Emmanuel Shiu
Western Open on the JOOLA NA Tour · Feb 22, 2009 · -255 rating
Open →Most frequent opponent
Cornelius Chan
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
7 tournament appearances · synced Aug 26, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 22, 2009 | Western Open on the JOOLA NA TourTournament · View matches | 1,085 | 1,011 | -74+50 / -124 | 4W / 8L |
| Nov 23, 2008 | Spin Magicians Northern CA FalTournament · View matches | 1,087 | 1,085 | -2+0 / -2 | 1W / 3L |
| Aug 31, 2008 | 2008 Life West OpenTournament · View matches | 778 | 1,087 | +309 | 5W / 8L |
| May 25, 2008 | Golden State OpenTournament · View matches | 778 | 778 | 0+0 / 0 | 0W / 4L |
| Mar 22, 2008 | 2008 Western OpenTournament · View matches · USATT readjusted 663 → 723 | 663 | 778 | +55+55 / 0 | 2W / 1L |
| Oct 21, 2007 | 2007 JOOLA North American TourTournament · View matches | 450 | 663 | +213 | 6W / 4L |
| Aug 5, 2007 | 2007 JOOLA RR ExtravaganzaTournament · View matches · Initial rating 450 | Unrated | 450 | +5+10 / -5 | 2W / 1L |
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