Wins
227
Indexed tournament wins
Player record
Zhongkai (john) Xu
Losses
152
Indexed tournament losses
Matches
379
Decisive results
Win rate
59.9%
Across indexed matches
Peak rating
1,793
Highest rating in the available history.
Biggest upset
Hau Lam
2011 Rose City Open · Jun 12, 2011 · +376 rating
Open →Biggest loss
Peng, John
2009 Rose City Open · Jun 28, 2009 · -478 rating
Open →Most frequent opponent
Brian Yoder
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
44 tournament appearances · synced Aug 12, 2026, 3:05 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 9, 2013 | 2013 Rose City OpenTournament · View matches | 1,665 | 1,649 | -16+5 / -21 | 3W / 3L |
| Mar 16, 2013 | 7th Annual Bill Mason Memorial OpenTournament · View matches | 1,662 | 1,665 | +3+22 / -19 | 5W / 2L |
| Nov 4, 2012 | 2012 Pacific Rim OpenTournament · View matches | 1,611 | 1,662 | +51+54 / -3 | 6W / 2L |
| Jun 10, 2012 | 2012 Rose City OpenTournament · View matches | 1,720 | 1,611 | -109 | 7W / 9L |
| Nov 6, 2011 | 2011 Pacific Rim OpenTournament · View matches | 1,718 | 1,720 | +2+26 / -24 | 3W / 5L |
| Jun 12, 2011 | 2011 Rose City OpenTournament · View matches | 1,705 | 1,718 | +13+78 / -65 | 12W / 9L |
| Nov 7, 2010 | 2010 Li-Ning Pacific Rim OpenTournament · View matches | 1,689 | 1,705 | +16+30 / -14 | 7W / 2L |
| Jun 13, 2010 | 2010 Rose City OpenTournament · View matches | 1,668 | 1,689 | +21+36 / -15 | 12W / 5L |
| Apr 24, 2010 | Ameriprise Presents The Bill Mason MemorialTournament · View matches | 1,647 | 1,668 | +21+27 / -6 | 6W / 2L |
| Jun 28, 2009 | 2009 Rose City OpenTournament · View matches | 1,742 | 1,647 | -95+24 / -119 | 8W / 7L |
| Apr 11, 2009 | 3rd Annual Bill Mason MemorialTournament · View matches | 1,756 | 1,742 | -14+10 / -24 | 7W / 3L |
| Nov 2, 2008 | 20th Bob Viducich Stiga Pacific Rim OpenTournament · View matches | 1,759 | 1,756 | -3+1 / -4 | 2W / 5L |
| Jun 15, 2008 | Rose City Open 2008Tournament · View matches | 1,756 | 1,759 | +3+7 / -4 | 7W / 1L |
| Mar 29, 2008 | 2nd Annual Bill Mason MemorialTournament · View matches | 1,793 | 1,756 | -37+3 / -40 | 5W / 4L |
| Nov 4, 2007 | Bob Viducich Stiga Pacific RimTournament · View matches | 1,768 | 1,793 | +25+47 / -22 | 4W / 3L |
| Apr 7, 2007 | Bill Mason Memorial OpenTournament · View matches | 1,756 | 1,768 | +12+33 / -21 | 4W / 4L |
| Nov 12, 2006 | 18th Annual Viducich Stiga PacificTournament · View matches | 1,764 | 1,756 | -8+2 / -10 | 2W / 3L |
| Jun 18, 2006 | 2006 Rose City OpenTournament · View matches | 1,578 | 1,764 | +186 | 13W / 6L |
| Nov 6, 2005 | Viducich Stiga Pacific Rim OpeTournament · View matches | 1,580 | 1,578 | -2+18 / -20 | 5W / 2L |
| Jun 18, 2005 | 2005 Rose City OpenTournament · View matches | 1,580 | 1,580 | 0+10 / -10 | 7W / 2L |