Wins
182
Indexed tournament wins
Player record
Tajima, Masaaki
Losses
131
Indexed tournament losses
Matches
313
Decisive results
Win rate
58.1%
Across indexed matches
Peak rating
2,148
Highest rating in the available history.
Biggest upset
Choptang, Pon
1995 Golden State Open · May 28, 1995 · +186 rating
Open →Biggest loss
Reznikov, Grigoriy
Sacramento Winter Open · Mar 9, 1996 · -269 rating
Open →Most frequent opponent
Avishy Schmidt
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
44 tournament appearances · synced Aug 8, 2026, 2:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 29, 2008 | Newgy US Open Warm-UpTournament · View matches | 2,065 | 2,047 | -18 | 2W / 3L |
| May 31, 2008 | Sacramento Spring OpenTournament · View matches | 2,079 | 2,065 | -14+8 / -22 | 3W / 4L |
| Mar 1, 2008 | Sacramento Winter OpenTournament · View matches | 2,086 | 2,079 | -7+0 / -7 | 2W / 3L |
| May 25, 2003 | Golden State OpenTournament · View matches | 2,072 | 2,086 | +14 | 3W / 4L |
| May 3, 2003 | Sacramento Spring OpenTournament · View matches | 2,067 | 2,072 | +5+17 / -12 | 5W / 3L |
| Dec 1, 2002 | Stiga N.A. Teams ChampionshipsTournament · View matches | 2,040 | 2,067 | +27 | 5W / 6L |
| Nov 10, 2002 | Stiga Pacific Rim OpenTournament · View matches | 2,049 | 2,040 | -9+4 / -13 | 3W / 3L |
| Sep 1, 2002 | California OpenTournament · View matches | 2,034 | 2,049 | +15+27 / -12 | 8W / 4L |
| Jul 21, 2002 | Juic Seattle OpenTournament · View matches | 2,047 | 2,034 | -13+9 / -22 | 7W / 3L |
| May 27, 2001 | Golden State Open - CATournament · View matches | 2,071 | 2,047 | -24+0 / -24 | 1W / 3L |
| Mar 31, 2001 | Sacramento Spring OpenTournament · View matches | 2,067 | 2,071 | +4+6 / -2 | 3W / 1L |
| Nov 26, 2000 | No. Amer. Teams Open ChampionshipsTournament · View matches | 2,042 | 2,067 | +25+106 / -81 | 17W / 10L |
| Nov 5, 2000 | Stiga Pacific Rim OpenTournament · View matches | 2,042 | 2,037 | -5+12 / -17 | 3W / 3L |
| Aug 20, 2000 | 2000 San Francisco Summer OpenTournament · View matches | 2,077 | 2,055 | -22+6 / -28 | 3W / 3L |
| Nov 7, 1999 | Stiga Pacific Rim OpenTournament · View matches | 2,029 | 2,077 | +48+55 / -7 | 6W / 3L |
| Sep 26, 1999 | Daly City Mayoral TrophyTournament · View matches | 2,000 | 2,029 | +29 | 3W / 2L |
| Aug 22, 1999 | San Francisco Summer OpenTournament · View matches | 1,997 | 2,000 | +3+12 / -9 | 3W / 2L |
| Aug 7, 1999 | Surf City OpenTournament · View matches | 1,996 | 1,997 | +1+3 / -2 | 3W / 1L |
| Jun 19, 1999 | 3-Man Team OpenTournament · View matches | 1,991 | 1,996 | +5+17 / -12 | 5W / 2L |
| May 29, 1999 | Golden State OpenTournament · View matches | 1,980 | 1,991 | +11+24 / -13 | 6W / 3L |
1–20 of 44
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