Wins
40
Indexed tournament wins
Player record
Koganei, Masakazu
Losses
23
Indexed tournament losses
Matches
63
Decisive results
Win rate
63.5%
Across indexed matches
Peak rating
1,816
Highest rating in the available history.
Biggest upset
Adams, Steven
Stiga N.A. Teams Championships · Dec 1, 2002 · +236 rating
Open →Biggest loss
David Ferguson
Lexington Giant RR · Jun 21, 2003 · -242 rating
Open →Most frequent opponent
Spektor, Yefim Jeff
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
6 tournament appearances · synced Aug 16, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 21, 2003 | Lexington Giant RRTournament · View matches | 1,789 | 1,816 | +27+60 / -33 | 8W / 5L |
| Jun 7, 2003 | Ohio Championship ClosedTournament · View matches | 1,783 | 1,789 | +6+12 / -6 | 2W / 1L |
| Apr 5, 2003 | Dayton Giant RR OpenTournament · View matches | 1,804 | 1,783 | -21+9 / -30 | 7W / 1L |
| Feb 22, 2003 | Columbus Giant RR OpenTournament · View matches | 1,636 | 1,804 | +168 | 9W / 2L |
| Dec 1, 2002 | Stiga N.A. Teams ChampionshipsTournament · View matches | 1,560 | 1,636 | +76 | 10W / 11L |
| Oct 26, 2002 | Cincinnati Giant RRTournament · View matches · Initial rating 1,560 | Unrated | 1,560 | — | 4W / 3L |
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