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 |
|---|---|---|---|---|---|
| Feb 11, 2006 | Sacramento Winter OpenTournament · View matches | 1,707 | 1,749 | +42+55 / -13 | 8W / 1L |
| Oct 29, 2005 | Sacramento Fall OpenTournament · View matches | 1,762 | 1,707 | -55 | 7W / 3L |
| Sep 17, 2005 | Biggest Little Reno-Sparks OpeTournament · View matches | 1,772 | 1,762 | -10+0 / -10 | 0W / 2L |
| Aug 6, 2005 | Sacramento Summer OpenTournament · View matches | 1,790 | 1,772 | -18+3 / -21 | 4W / 3L |
| Apr 30, 2005 | Sacramento Spring OpenTournament · View matches | 1,837 | 1,790 | -47+9 / -56 | 4W / 3L |
| Feb 26, 2005 | Sacramento Winter OpenTournament · View matches · Initial rating 1,837 | Unrated | 1,837 | — | 5W / 2L |
21–26 of 26
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