Wins
131
Indexed tournament wins
Player record
Boyko, Yuriy
Losses
86
Indexed tournament losses
Matches
217
Decisive results
Win rate
60.4%
Across indexed matches
Peak rating
1,962
Highest rating in the available history.
Biggest upset
Assenmacher, Karl-Josef
Huntsman World Senior Games · Oct 10, 2013 · +355 rating
Open →Biggest loss
Springer, Courtney
Huntsman World Senior Games · Oct 9, 2015 · -302 rating
Open →Most frequent opponent
Brian Chen
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
26 tournament appearances · synced Aug 9, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 11, 2017 | Sacramento Winter Open - 3 Player Team & Giant RR SingleTournament · View matches | 1,889 | 1,844 | -45+0 / -45 | 1W / 5L |
| Mar 12, 2016 | 2016 Sacramento Winter OpenTournament · View matches | 1,870 | 1,889 | +19+23 / -4 | 6W / 1L |
| Oct 9, 2015 | Huntsman World Senior GamesTournament · View matches | 1,906 | 1,870 | -36+3 / -39 | 3W / 5L |
| Sep 26, 2015 | Sacramento September OpenTournament · View matches | 1,931 | 1,906 | -25+13 / -38 | 5W / 3L |
| May 10, 2014 | Sacramento Spring OpenTournament · View matches | 1,933 | 1,931 | -2+8 / -10 | 3W / 3L |
| Mar 1, 2014 | Sacramento Winter OpenTournament · View matches | 1,960 | 1,933 | -27+0 / -27 | 2W / 3L |
| Oct 10, 2013 | Huntsman World Senior GamesTournament · View matches · USATT readjusted 1,789 → 1,926 | 1,789 | 1,960 | +34+56 / -22 | 6W / 3L |
| Oct 29, 2011 | Sacramento Fall OpenTournament · View matches | 1,812 | 1,789 | -23+11 / -34 | 4W / 3L |
| Aug 20, 2011 | Sacramento Summer OpenTournament · View matches | 1,760 | 1,812 | +52+70 / -18 | 3W / 3L |
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches | 1,868 | 1,760 | -108 | 16W / 7L |
| Nov 23, 2008 | Quincy November OpenTournament · View matches | 1,916 | 1,868 | -48+2 / -50 | 8W / 2L |
| Aug 31, 2008 | 2008 Life West OpenTournament · View matches | 1,924 | 1,916 | -8+5 / -13 | 4W / 6L |
| Mar 17, 2008 | 2008 Cary Cup ChampionshipTournament · View matches | 1,925 | 1,924 | -1+14 / -15 | 5W / 6L |
| Feb 23, 2008 | Charlotte Winter LoopalaloozaTournament · View matches | 1,944 | 1,925 | -19+7 / -26 | 6W / 2L |
| Aug 25, 2007 | Sacramento Summer OpenTournament · View matches | 1,953 | 1,944 | -9+2 / -11 | 3W / 3L |
| May 12, 2007 | Sacramento Spring OpenTournament · View matches | 1,962 | 1,953 | -9+0 / -9 | 1W / 4L |
| Feb 24, 2007 | Sacramento Winter OpenTournament · View matches | 1,841 | 1,962 | +121 | 9W / 3L |
| Jan 20, 2007 | Charlotte Open 2 Person TeamTournament · View matches | 1,809 | 1,841 | +32+39 / -7 | 7W / 2L |
| Sep 30, 2006 | Biggest Little Reno-Sparks OpenTournament · View matches | 1,803 | 1,809 | +6+7 / -1 | 6W / 1L |
| Mar 5, 2006 | U.S. Open Teams TT ChampionshipTournament · View matches | 1,749 | 1,803 | +54+70 / -16 | 5W / 7L |
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