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 9, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 8, 1999 | Sac-Rec Spring OpenTournament · View matches | 1,984 | 1,980 | -4+0 / -4 | 0W / 1L |
| Mar 7, 1999 | Sacramento Open 2 StarTournament · View matches | 2,041 | 1,984 | -57 | 9W / 6L |
| Sep 27, 1998 | Daly City War MemorialTournament · View matches | 2,042 | 2,041 | -1 | 4W / 3L |
| Jul 18, 1998 | Sac-Rec Summer OpenTournament · View matches | 2,040 | 2,042 | +2+2 / 0 | 1W / 0L |
| Apr 5, 1998 | Sacramento Spring OpenTournament · View matches | 2,012 | 2,040 | +28+47 / -19 | 3W / 3L |
| Jan 31, 1998 | Sac-Rec Winter OpenTournament · View matches | 2,031 | 2,012 | -19 | 7W / 4L |
| Feb 23, 1997 | Berkeley OpenTournament · View matches | 2,019 | 2,031 | +12+19 / -7 | 4W / 1L |
| Oct 5, 1996 | Sac-Rec October Open RRTournament · View matches | 2,013 | 2,019 | +6 | 5W / 1L |
| Sep 1, 1996 | Sam Lima MemorialTournament · View matches | 2,003 | 2,013 | +10 | 4W / 3L |
| Jun 23, 1996 | California State OpenTournament · View matches | 2,012 | 2,003 | -9+5 / -14 | 4W / 3L |
| Mar 9, 1996 | Sacramento Winter OpenTournament · View matches | 2,073 | 2,012 | -61+0 / -61 | 2W / 2L |
| Feb 17, 1996 | Berkeley TTC Chinese New Year Tournament · View matches | 2,089 | 2,073 | -16+3 / -19 | 5W / 2L |
| Jun 10, 1995 | Sacramento June OpenTournament · View matches | 2,148 | 2,089 | -59 | 4W / 4L |
| May 28, 1995 | 1995 Golden State OpenTournament · View matches | 2,057 | 2,148 | +91 | 5W / 2L |
| Feb 5, 1995 | Dr. Wang Chinese New Year OpenTournament · View matches | 2,062 | 2,057 | -5+14 / -19 | 5W / 3L |
| Jan 29, 1995 | 1995 Vietnamese New Year "Tet"Tournament · View matches | 2,075 | 2,062 | -13+10 / -23 | 2W / 3L |
| Jan 21, 1995 | Sacramento Winter Open TTTTournament · View matches | 2,057 | 2,075 | +18 | 5W / 3L |
| Oct 15, 1994 | SAC-REC Fall OpenTournament · View matches | 2,038 | 2,057 | +19 | 3W / 3L |
| Aug 21, 1994 | San Fransisco Summer OpenTournament · View matches | 2,060 | 2,038 | -22+0 / -22 | 1W / 3L |
| Jul 31, 1994 | Sacramento Summer OpenTournament · View matches | 2,078 | 2,060 | -18 | 4W / 2L |