Wins
79
Indexed tournament wins
Player record
Yabiku, Don H.
Losses
34
Indexed tournament losses
Matches
113
Decisive results
Win rate
69.9%
Across indexed matches
Peak rating
1,998
Highest rating in the available history.
Biggest upset
Samuel Steiner
1995 Pennsylvania Team Championship · Mar 26, 1995 · +211 rating
Open →Biggest loss
David Dickson
PA State Keystone Games · Aug 4, 1996 · -256 rating
Open →Most frequent opponent
David Dickson
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
12 tournament appearances · synced Aug 10, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 1,898 | 1,998 | +100 | 9W / 5L |
| Jan 25, 1998 | MATTC January OpenTournament · View matches | 1,917 | 1,898 | -19 | 6W / 4L |
| Sep 28, 1997 | MATTC Septemter OpenTournament · View matches | 1,872 | 1,917 | +45 | 10W / 0L |
| Aug 4, 1996 | PA State Keystone GamesTournament · View matches | 1,923 | 1,872 | -51+5 / -56 | 6W / 2L |
| Sep 24, 1995 | MATTC September OpenTournament · View matches | 1,921 | 1,923 | +2+37 / -35 | 8W / 6L |
| Aug 6, 1995 | Keystone State GamesTournament · View matches | 1,925 | 1,921 | -4 | 4W / 1L |
| Mar 26, 1995 | 1995 Pennsylvania Team ChampionshipTournament · View matches | 1,884 | 1,925 | +41+72 / -31 | 7W / 8L |
| Feb 11, 1995 | MATTC February OpenTournament · View matches | 1,903 | 1,884 | -19+9 / -28 | 6W / 3L |
| Nov 13, 1994 | MATTC November OpenTournament · View matches | 1,927 | 1,943 | +16 | 7W / 1L |
| Aug 7, 1994 | Keystone State GamesTournament · View matches | 1,926 | 1,927 | +1+1 / 0 | 3W / 0L |
| Jun 12, 1994 | MATTC June OpenTournament · View matches | 1,924 | 1,926 | +2 | 4W / 2L |
| Apr 2, 1994 | Pocono Modified U-950 Giant R/Tournament · View matches | 1,903 | 1,924 | +21+34 / -13 | 9W / 2L |
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