Wins
942
Indexed tournament wins
Player record
Zhang, Yahao
Losses
270
Indexed tournament losses
Matches
1,212
Decisive results
Win rate
77.7%
Across indexed matches
Peak rating
2,635
Highest rating in the available history.
Biggest upset
Najem, Alfred
Hutchinson 2007 Summer Open · Sep 8, 2007 · +225 rating
Open →Biggest loss
Tak Cheong Ip
2008 Millcreek Open · Oct 19, 2008 · -350 rating
Open →Most frequent opponent
Samson Dubina
16 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
137 tournament appearances · synced Aug 11, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 27, 2005 | 2005 N. American Teams Open ChTournament · View matches | 2,152 | 2,195 | +43+87 / -44 | 9W / 12L |
| Nov 13, 2005 | 2005 Aurora Fall Open TourTournament · View matches | 2,150 | 2,152 | +2+2 / 0 | 9W / 0L |
| Jul 31, 2005 | Junior Olympics & Junior NatioTournament · View matches | 2,143 | 2,150 | +7 | 18W / 1L |
| Jul 16, 2005 | 1st Annual Wild Bill Hickok OpTournament · View matches | 2,121 | 2,143 | +22+26 / -4 | 9W / 2L |
| Jul 10, 2005 | US OpenTournament · View matches | 2,154 | 2,121 | -33 | 8W / 5L |
| Apr 24, 2005 | Buckeye Open 2005Tournament · View matches | 2,127 | 2,154 | +27+48 / -21 | 12W / 7L |
| Feb 27, 2005 | 2005 Aurora Winter OpenTournament · View matches | 2,122 | 2,127 | +5+5 / 0 | 8W / 0L |
| Feb 20, 2005 | Lechi/West Covina TTC OpenTournament · View matches | 2,152 | 2,122 | -30+22 / -52 | 10W / 7L |
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches | 2,044 | 2,152 | +108 | 23W / 1L |
| Oct 10, 2004 | 2004 Colorado Springs OpenTournament · View matches | 2,044 | 2,044 | 0+2 / -2 | 1W / 1L |
| Sep 18, 2004 | Annual Paul Cracraft MemorialTournament · View matches | 2,044 | 2,044 | 0+10 / -10 | 6W / 2L |
| Aug 1, 2004 | Junior Olympics/NationalsTournament · View matches | 2,035 | 2,044 | +9+9 / 0 | 5W / 0L |
| Jul 4, 2004 | US OpenTournament · View matches · USATT readjusted 1,959 → 2,033 | 1,959 | 2,035 | +2+63 / -61 | 12W / 6L |
| Apr 25, 2004 | Hutchinson 2004 Spring OpenTournament · View matches | 1,935 | 1,959 | +24+24 / 0 | 8W / 2L |
| Apr 25, 2004 | 2004 CO Civil War B (League)Tournament · View matches | 1,918 | 1,935 | +17+17 / 0 | 4W / 0L |
| Apr 17, 2004 | Albuquerque Teams TournamentTournament · View matches | 1,928 | 1,918 | -10+36 / -46 | 6W / 4L |
| Feb 28, 2004 | 2004 CO Civil War A (League)Tournament · View matches · Initial rating 1,928 | Unrated | 1,928 | 0+5 / -5 | 6W / 2L |
121–137 of 137
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