Wins
54
Indexed tournament wins
Player record
Piirala, Donald
Losses
55
Indexed tournament losses
Matches
109
Decisive results
Win rate
49.5%
Across indexed matches
Peak rating
1,559
Highest rating in the available history.
Biggest upset
Stone, Paul
1995 Michigan State Championship · Apr 1, 1995 · +318 rating
Open →Biggest loss
Rozmarek, John
1996 Michigan State Championsh · Apr 14, 1996 · -208 rating
Open →Most frequent opponent
Dawson, Jim
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
12 tournament appearances · synced Aug 8, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 20, 2005 | Michigan Closed TT ChampionshiTournament · View matches | 1,559 | 1,539 | -20 | 7W / 7L |
| Apr 25, 2004 | Michigan Closed TT ChampionshipTournament · View matches | 1,520 | 1,559 | +39+51 / -12 | 5W / 5L |
| Apr 6, 2003 | Michigan Closed TT ChampionshipTournament · View matches | 1,532 | 1,520 | -12+16 / -28 | 5W / 4L |
| Apr 21, 2002 | Michigan Closed TT ChampionshipTournament · View matches | 1,466 | 1,532 | +66 | 6W / 5L |
| Oct 28, 2000 | Davison October OpenTournament · View matches | 1,516 | 1,466 | -50 | 4W / 6L |
| Feb 7, 1999 | 1999 Michigan State Champs & GTournament · View matches | 1,437 | 1,516 | +79 | 4W / 8L |
| Nov 8, 1997 | Fall OpenTournament · View matches | 1,454 | 1,437 | -17 | 4W / 7L |
| Apr 6, 1997 | 1997 Michigan State ChampionshTournament · View matches | 1,273 | 1,454 | +181 | 4W / 3L |
| Oct 27, 1996 | 1996 Oakbrook October OpenTournament · View matches | 1,261 | 1,273 | +12 | 5W / 2L |
| Apr 14, 1996 | 1996 Michigan State ChampionshTournament · View matches | 1,274 | 1,261 | -13 | 2W / 3L |
| Apr 1, 1995 | 1995 Michigan State ChampionshipTournament · View matches | 1,173 | 1,274 | +101 | 2W / 2L |
| Apr 30, 1994 | 1994 Michigan State ChampionshTournament · View matches · Initial rating 1,173 | Unrated | 1,173 | — | 6W / 3L |
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