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 18, 2004 | Tri-Cities Spring Open Double Tournament · View matches | 1,457 | 1,256 | -201 | 9W / 8L |
| Oct 19, 2003 | Tri Cities Fall Open Double RRTournament · View matches | 1,461 | 1,457 | -4+26 / -30 | 10W / 7L |
| Oct 10, 2003 | Huntsman World Senior GamesTournament · View matches | 1,321 | 1,461 | +140 | 12W / 5L |
| Apr 6, 2003 | Tri Cities Spring OpenTournament · View matches | 1,329 | 1,321 | -8+67 / -75 | 8W / 9L |
| Nov 10, 2002 | Stiga Pacific Rim OpenTournament · View matches | 1,336 | 1,329 | -7+0 / -7 | 0W / 1L |
| Oct 20, 2002 | Tri-Cities Fall Open Double RRTournament · View matches | 1,389 | 1,336 | -53 | 6W / 10L |
| Apr 21, 2002 | Tri City Spring Open Double RRTournament · View matches | 1,426 | 1,389 | -37+20 / -57 | 7W / 8L |
| Apr 22, 2001 | Tri-City Open Spring Double RRTournament · View matches | 1,320 | 1,426 | +106 | 11W / 6L |
| Nov 5, 2000 | Stiga Pacific Rim OpenTournament · View matches | 1,320 | 1,316 | -4+0 / -4 | 1W / 2L |
| Oct 22, 2000 | Tri-City Open Fall Double RRTournament · View matches | 1,392 | 1,322 | -70 | 5W / 10L |
| Apr 16, 2000 | Tri-City Open Spring Double RRTournament · View matches | 1,373 | 1,392 | +19 | 11W / 6L |
| Nov 7, 1999 | Stiga Pacific Rim OpenTournament · View matches | 1,397 | 1,373 | -24 | 2W / 4L |
| Oct 16, 1999 | Tri-City Fall RRTournament · View matches | 1,389 | 1,397 | +8 | 11W / 6L |
| Nov 8, 1998 | 1998 Pacific Rim OpenTournament · View matches | 1,376 | 1,389 | +13+13 / 0 | 4W / 3L |
| Oct 18, 1998 | Tri-Cities Fall Open RRTournament · View matches | 1,448 | 1,376 | -72 | 8W / 9L |
| Jun 13, 1998 | 1998 Seattle OpenTournament · View matches | 1,458 | 1,448 | -10+21 / -31 | 3W / 10L |
| Apr 19, 1998 | Tri-Cities Spring RRTournament · View matches | 1,335 | 1,458 | +123 | 13W / 3L |
| Oct 19, 1997 | Tri-Cities Open Fall RRTournament · View matches | 1,306 | 1,335 | +29 | 9W / 5L |
| May 4, 1997 | Seattle OpenTournament · View matches | 1,331 | 1,306 | -25 | 1W / 5L |
| Apr 26, 1997 | Tri-City Spring RRTournament · View matches | 1,382 | 1,331 | -51+7 / -58 | 6W / 4L |