Wins
18
Indexed tournament wins
Player record
Lammers, Stefan
Losses
4
Indexed tournament losses
Matches
22
Decisive results
Win rate
81.8%
Across indexed matches
Peak rating
2,043
Highest rating in the available history.
Biggest upset
Karimanal, Kamalakanan (Kamal)
Upper Valley May Giant RR Open · May 17, 2003 · +204 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Cameron, Ken
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 11, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 17, 2003 | Upper Valley May Giant RR OpenTournament · View matches · USATT readjusted 1,949 → 2,004 | 1,949 | 2,043 | +39+39 / 0 | 5W / 0L |
| Mar 22, 2003 | New England Spring ClassicTournament · View matches | 1,924 | 1,949 | +25+35 / -10 | 10W / 2L |
| Oct 13, 2001 | New England Open ChampionshipTournament · View matches · Initial rating 1,924 | Unrated | 1,924 | — | 3W / 2L |
1–3 of 3
Page 1 of 1