Wins
18
Indexed tournament wins
Player record
Rivera, Johanes
Losses
19
Indexed tournament losses
Matches
37
Decisive results
Win rate
48.6%
Across indexed matches
Peak rating
1,874
Highest rating in the available history.
Biggest upset
Yim, Sung
2013 JOOLA N. American Teams O · Dec 1, 2013 · +1109 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Akselrod, Steve
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 18, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 1, 2013 | 2013 JOOLA N. American Teams OTournament · View matches | 902 | 1,874 | +972 | 8W / 11L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches · Initial rating 902 | Unrated | 902 | — | 10W / 8L |
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