Wins
18
Indexed tournament wins
Player record
Gumataotao, Carlos
Losses
19
Indexed tournament losses
Matches
37
Decisive results
Win rate
48.6%
Across indexed matches
Peak rating
1,651
Highest rating in the available history.
Biggest upset
Mark Kobernick
Portland Double RR · May 2, 1998 · +448 rating
Open →Biggest loss
Lin, Marisa
Pacific Rim Open · Nov 10, 1996 · -112 rating
Open →Most frequent opponent
Hu, Sandra
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
6 tournament appearances · synced Aug 13, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 13, 1998 | 1998 Seattle OpenTournament · View matches | 1,651 | 1,642 | -9 | 1W / 3L |
| Jun 6, 1998 | Portland Double RR, U.S. Open Tournament · View matches | 1,642 | 1,651 | +9+18 / -9 | 5W / 3L |
| May 2, 1998 | Portland Double RRTournament · View matches · USATT readjusted 1,263 → 1,586 | 1,263 | 1,642 | +56+61 / -5 | 5W / 3L |
| Mar 29, 1998 | Portland TT March BashTournament · View matches | 1,237 | 1,263 | +26+26 / 0 | 4W / 6L |
| Nov 10, 1996 | Pacific Rim OpenTournament · View matches | 1,270 | 1,237 | -33+0 / -33 | 0W / 3L |
| Jun 23, 1996 | Rose City OpenTournament · View matches · Initial rating 1,270 | Unrated | 1,270 | — | 3W / 1L |
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