Wins
25
Indexed tournament wins
Player record
Donkor, Sam
Losses
44
Indexed tournament losses
Matches
69
Decisive results
Win rate
36.2%
Across indexed matches
Peak rating
1,331
Highest rating in the available history.
Biggest upset
Wei, George
Westchester 2014 August Open · Aug 24, 2014 · +341 rating
Open →Biggest loss
Ying Zhang
Westchester 2015 April Open · Apr 26, 2015 · -46 rating
Open →Most frequent opponent
Donald Feltenberger
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
8 tournament appearances · synced Aug 11, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 26, 2015 | Westchester 2015 April OpenTournament · View matches | 1,331 | 1,329 | -2+27 / -29 | 3W / 8L |
| Aug 24, 2014 | Westchester 2014 August OpenTournament · View matches · USATT readjusted 1,222 → 1,280 | 1,222 | 1,331 | +51+57 / -6 | 6W / 2L |
| Dec 15, 2013 | Westchester 2013 December OpenTournament · View matches | 1,222 | 1,222 | 0+0 / 0 | 0W / 9L |
| Sep 22, 2013 | P&W Aircraft TTC - September 2013 OpenTournament · View matches | 1,224 | 1,222 | -2+0 / -2 | 0W / 12L |
| Jun 30, 2013 | NJTTC 2013 June OpenTournament · View matches | 1,224 | 1,224 | 0 | 6W / 1L |
| Jun 9, 2013 | 2013 Eastern Open on JOOLA North America TourTournament · View matches | 1,213 | 1,224 | +11+11 / 0 | 2W / 1L |
| May 19, 2013 | P&W Aircraft TTC - May 2013 OpenTournament · View matches | 1,178 | 1,213 | +35+35 / 0 | 6W / 4L |
| Apr 28, 2013 | Westchester 2013 April OpenTournament · View matches · Initial rating 1,178 | Unrated | 1,178 | +6+32 / -26 | 2W / 7L |
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