Wins
309
Indexed tournament wins
Player record
Mast, Ivan
Losses
241
Indexed tournament losses
Matches
550
Decisive results
Win rate
56.2%
Across indexed matches
Peak rating
2,097
Highest rating in the available history.
Biggest upset
Roy Schlabach
Portsmouth November Open Invitational · Nov 21, 1998 · +280 rating
Open →Biggest loss
Charles Lin
North American Teams · Nov 30, 2003 · -447 rating
Open →Most frequent opponent
Samson Dubina
15 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
70 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 25, 2000 | March Madness Canton OpenTournament · View matches | 1,962 | 1,996 | +34+41 / -7 | 6W / 2L |
| Mar 19, 2000 | Buckeye Open TTTTournament · View matches | 1,976 | 1,962 | -14+7 / -21 | 6W / 3L |
| Feb 27, 2000 | Newark Macy Block OpenTournament · View matches | 1,995 | 1,976 | -19+15 / -34 | 5W / 3L |
| Jan 9, 2000 | Cleveland Winter Open 2000Tournament · View matches | 1,992 | 1,995 | +3 | 7W / 3L |
| Aug 22, 1999 | Macy Block Open (formerly Sun Tournament · View matches | 1,996 | 1,992 | -4+2 / -6 | 2W / 3L |
| Mar 28, 1999 | South Bend OpenTournament · View matches | 1,991 | 1,996 | +5+9 / -4 | 2W / 2L |
| Feb 27, 1999 | Friendliest Tournament in AmerTournament · View matches | 2,000 | 1,991 | -9+4 / -13 | 4W / 1L |
| Feb 6, 1999 | Columbus RR OpenTournament · View matches | 2,002 | 2,000 | -2+13 / -15 | 7W / 2L |
| Jan 24, 1999 | 1999 Cleveland OpenTournament · View matches | 2,019 | 2,002 | -17 | 3W / 3L |
| Nov 21, 1998 | Portsmouth November Open InvitationalTournament · View matches · USATT readjusted 1,868 → 1,994 | 1,868 | 2,019 | +25+41 / -16 | 8W / 1L |
| Aug 16, 1998 | Sun TV OpenTournament · View matches | 1,872 | 1,868 | -4+4 / -8 | 1W / 1L |
| May 10, 1998 | 34th St. Jospeh Valley Open/AlTournament · View matches | 1,924 | 1,872 | -52+0 / -52 | 1W / 4L |
| Mar 14, 1998 | March Madness Canton OpenTournament · View matches | 1,916 | 1,924 | +8+8 / 0 | 6W / 1L |
| Jan 18, 1998 | Cleveland Winter OpenTournament · View matches | 1,877 | 1,916 | +39+57 / -18 | 9W / 5L |
| Nov 16, 1997 | 35th St. Joeseph Valley OpenTournament · View matches | 1,925 | 1,877 | -48+8 / -56 | 3W / 3L |
| Oct 19, 1997 | 1997 Millcreek OpenTournament · View matches | 1,953 | 1,925 | -28 | 5W / 8L |
| Feb 23, 1997 | Sun T.V. OpenTournament · View matches | 1,951 | 1,953 | +2+11 / -9 | 4W / 3L |
| Feb 8, 1997 | Columbus RR OpenTournament · View matches | 1,942 | 1,951 | +9+14 / -5 | 2W / 4L |
| Jan 19, 1997 | Cleveland Winter OpenTournament · View matches | 1,947 | 1,942 | -5+9 / -14 | 4W / 4L |
| Nov 17, 1996 | Dayton OpenTournament · View matches | 1,943 | 1,947 | +4+9 / -5 | 3W / 1L |