Wins
102
Indexed tournament wins
Player record
John Peng
Losses
154
Indexed tournament losses
Matches
256
Decisive results
Win rate
39.8%
Across indexed matches
Peak rating
1,710
Highest rating in the available history.
Biggest upset
Fredrickson, Harold
Bill Mason Memorial Open · Apr 7, 2007 · +901 rating
Open →Biggest loss
Pandana, Herman
5th Annual Bill Mason Memorial · Apr 2, 2011 · -450 rating
Open →Most frequent opponent
Potter, Will
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
31 tournament appearances · synced Aug 8, 2026, 2:46 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 16, 2025 | PPC 2025 Summer OpenTournament · View matches | 1,638 | 1,548 | -90+0 / -90 | 0W / 5L |
| Mar 15, 2014 | 8th Annual Bill Mason Memorial TournamentTournament · View matches | 1,699 | 1,638 | -61+6 / -67 | 5W / 3L |
| Nov 3, 2013 | 2013 Pacific Rim OpenTournament · View matches | 1,710 | 1,699 | -11 | 5W / 4L |
| Jun 9, 2013 | 2013 Rose City OpenTournament · View matches | 1,651 | 1,710 | +59+72 / -13 | 6W / 7L |
| Mar 16, 2013 | 7th Annual Bill Mason Memorial OpenTournament · View matches | 1,602 | 1,651 | +49+56 / -7 | 5W / 2L |
| Jun 10, 2012 | 2012 Rose City OpenTournament · View matches | 1,561 | 1,602 | +41 | 9W / 6L |
| Mar 25, 2012 | 2012 Green Lake OpenTournament · View matches | 1,559 | 1,561 | +2+4 / -2 | 2W / 6L |
| Nov 6, 2011 | 2011 Pacific Rim OpenTournament · View matches | 1,541 | 1,559 | +18+25 / -7 | 2W / 3L |
| Sep 25, 2011 | B2011 Bellevue Fall OpenTournament · View matches | 1,528 | 1,541 | +13 | 4W / 5L |
| Jun 12, 2011 | 2011 Rose City OpenTournament · View matches | 1,535 | 1,528 | -7+3 / -10 | 6W / 8L |
| Apr 24, 2011 | 2011 Bellevue Spring OpenTournament · View matches | 1,560 | 1,535 | -25+1 / -26 | 2W / 4L |
| Apr 2, 2011 | 5th Annual Bill Mason MemorialTournament · View matches | 1,624 | 1,560 | -64+4 / -68 | 5W / 4L |
| Nov 7, 2010 | 2010 Li-Ning Pacific Rim OpenTournament · View matches | 1,636 | 1,624 | -12+16 / -28 | 1W / 7L |
| Sep 5, 2010 | 2010 Bellevue Fall OpenTournament · View matches | 1,634 | 1,636 | +2+7 / -5 | 1W / 4L |
| Jun 13, 2010 | 2010 Rose City OpenTournament · View matches | 1,463 | 1,634 | +171 | 6W / 4L |
| Apr 24, 2010 | Ameriprise Presents The Bill Mason MemorialTournament · View matches | 1,518 | 1,463 | -55 | 3W / 5L |
| Apr 4, 2010 | 2010 Bellevue Spring OpenTournament · View matches | 1,524 | 1,518 | -6 | 1W / 4L |
| Nov 8, 2009 | 2009 Li-Ning Pacific Rim OpenTournament · View matches | 1,539 | 1,524 | -15+0 / -15 | 0W / 4L |
| Sep 27, 2009 | 2009 Bellevue Fall OpenTournament · View matches | 1,533 | 1,539 | +6 | 1W / 3L |
| Jun 28, 2009 | 2009 Rose City OpenTournament · View matches · USATT readjusted 1,264 → 1,487 | 1,264 | 1,533 | +46+65 / -19 | 5W / 12L |
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