Wins
321
Indexed tournament wins
Player record
Fredrickson, Harold
Losses
311
Indexed tournament losses
Matches
632
Decisive results
Win rate
50.8%
Across indexed matches
Peak rating
1,543
Highest rating in the available history.
Biggest upset
Nasab, Max
Tri-City Spring Open Double RR · Apr 9, 2006 · +486 rating
Open →Biggest loss
John Peng
Bill Mason Memorial Open · Apr 7, 2007 · -901 rating
Open →Most frequent opponent
Maxwell, Frank
22 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
55 tournament appearances · synced Aug 8, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 13, 2013 | Tri Cities Spring OpenTournament · View matches | 1,001 | 1,012 | +11+19 / -8 | 3W / 4L |
| Oct 21, 2012 | Eastern Washington OpenTournament · View matches | 1,120 | 1,001 | -119+5 / -124 | 4W / 10L |
| Apr 7, 2012 | TCTTA Spring Open + Double RRTournament · View matches | 1,139 | 1,120 | -19 | 3W / 4L |
| Mar 17, 2012 | Bill Mason Memorial OpenTournament · View matches | 1,156 | 1,139 | -17+0 / -17 | 0W / 5L |
| Oct 16, 2011 | Tri-Cities Fall Open Double RRTournament · View matches | 1,171 | 1,156 | -15 | 3W / 4L |
| Apr 18, 2010 | Tri-City Spring Open Double RRTournament · View matches | 1,241 | 1,171 | -70+1 / -71 | 6W / 5L |
| Oct 25, 2009 | TCTTA Fall Open Double RRTournament · View matches | 1,233 | 1,241 | +8 | 8W / 6L |
| Mar 8, 2009 | TCTTA Spring Open Double RRTournament · View matches | 1,356 | 1,233 | -123+23 / -146 | 8W / 9L |
| Oct 19, 2008 | Tri-Cities Fall Open Double RRTournament · View matches | 1,330 | 1,356 | +26+34 / -8 | 9W / 6L |
| Apr 20, 2008 | Tri-Cities Spring Open Double Tournament · View matches | 1,323 | 1,330 | +7 | 9W / 7L |
| Oct 21, 2007 | Tri-Cities Fall Open Double RRTournament · View matches | 1,354 | 1,323 | -31+16 / -47 | 11W / 6L |
| Apr 22, 2007 | Tri-Cities Spring Open Double Tournament · View matches | 1,412 | 1,354 | -58+9 / -67 | 8W / 8L |
| Apr 7, 2007 | Bill Mason Memorial OpenTournament · View matches | 1,495 | 1,412 | -83+6 / -89 | 1W / 7L |
| Oct 15, 2006 | Tri-City Fall Open Double RRTournament · View matches | 1,543 | 1,495 | -48+13 / -61 | 11W / 5L |
| Apr 9, 2006 | Tri-City Spring Open Double RRTournament · View matches | 1,288 | 1,543 | +255 | 12W / 6L |
| Oct 16, 2005 | Tri-Cities Fall Open Dbl. RRTournament · View matches | 1,307 | 1,288 | -19+14 / -33 | 7W / 6L |
| Jun 18, 2005 | 2005 Rose City OpenTournament · View matches | 1,299 | 1,307 | +8+18 / -10 | 6W / 4L |
| Apr 17, 2005 | Tri-Cities Spring Open Dbl. RRTournament · View matches | 1,250 | 1,299 | +49 | 8W / 10L |
| Oct 17, 2004 | Tri-Cities Fall Open Double RRTournament · View matches | 1,291 | 1,250 | -41+13 / -54 | 9W / 7L |
| Oct 8, 2004 | Huntsman World Senior GamesTournament · View matches | 1,256 | 1,291 | +35+51 / -16 | 2W / 4L |
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