Wins
220
Indexed tournament wins
Player record
Si Wasserman
Losses
221
Indexed tournament losses
Matches
441
Decisive results
Win rate
49.9%
Across indexed matches
Peak rating
1,630
Highest rating in the available history.
Biggest upset
Hendry, George
2004 USA Nationals Championship · Dec 18, 2004 · +497 rating
Open →Biggest loss
Wally Barber
2019 US Nationals · Jun 30, 2019 · -704 rating
Open →Most frequent opponent
Ivan Slade
13 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
77 tournament appearances · synced Aug 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 14, 1998 | Mieklejohn SeniorsTournament · View matches | 1,578 | 1,600 | +22+32 / -10 | 3W / 2L |
| May 2, 1998 | Sun City Open Senior TTTTournament · View matches | 1,574 | 1,578 | +4+14 / -10 | 3W / 1L |
| Dec 21, 1997 | US NationalsTournament · View matches | 1,534 | 1,574 | +40+57 / -17 | 8W / 4L |
| Oct 17, 1997 | Huntsman World Senior GamesTournament · View matches | 1,500 | 1,534 | +34 | 4W / 2L |
| Jul 6, 1997 | U.S. OpenTournament · View matches | 1,489 | 1,500 | +11+41 / -30 | 8W / 5L |
| Jun 8, 1997 | Meiklejohn Nat'l Seniors TTTTournament · View matches | 1,485 | 1,489 | +4 | 3W / 2L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,497 | 1,485 | -12+8 / -20 | 4W / 3L |
| Jul 7, 1996 | 1996 US OpenTournament · View matches | 1,509 | 1,497 | -12 | 8W / 3L |
| Jun 9, 1996 | Meiklejohn National Seniors TTTournament · View matches · USATT readjusted 1,384 → 1,503 | 1,384 | 1,509 | +6+78 / -72 | 6W / 3L |
| May 11, 1996 | Sun City Senior OpenTournament · View matches | 1,384 | 1,384 | 0 | 1W / 1L |
| Dec 18, 1995 | USATT National ChampionshipsTournament · View matches | 1,386 | 1,384 | -2+49 / -51 | 6W / 6L |
| Jul 9, 1995 | US OpenTournament · View matches | 1,376 | 1,386 | +10+32 / -22 | 3W / 3L |
| Jul 3, 1995 | MeikleJohn National SeniorsTournament · View matches | 1,248 | 1,376 | +128 | 7W / 2L |
| Jun 11, 1995 | San Diego OpenTournament · View matches | 1,252 | 1,248 | -4+4 / -8 | 2W / 2L |
| Feb 5, 1995 | Dr. Wang Chinese New Year OpenTournament · View matches | 1,249 | 1,252 | +3 | 3W / 2L |
| Dec 18, 1994 | US NationalsTournament · View matches · USATT readjusted 1,097 → 1,209 | 1,097 | 1,249 | +40+49 / -9 | 7W / 6L |
| Jun 27, 1994 | Meikle John National Seniors OTournament · View matches · Initial rating 1,097 | Unrated | 1,097 | — | 0W / 1L |
61–77 of 77
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