Wins
166
Indexed tournament wins
Player record
Vitkin, Semyon
Losses
134
Indexed tournament losses
Matches
300
Decisive results
Win rate
55.3%
Across indexed matches
Peak rating
1,677
Highest rating in the available history.
Biggest upset
Wetzler, Warren
Maryland Circuit · Apr 5, 1998 · +379 rating
Open →Biggest loss
Haverstraw, Bob
Maryland Medallion Championshi · Jun 12, 1999 · -414 rating
Open →Most frequent opponent
Sumner, Lee
10 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
36 tournament appearances · synced Aug 8, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 4, 2004 | Maryland CircuitTournament · View matches | 1,644 | 1,673 | +29 | 9W / 5L |
| Mar 7, 2004 | Maryland CircuitTournament · View matches | 1,643 | 1,644 | +1+15 / -14 | 8W / 3L |
| Feb 8, 2004 | Maryland CircuitTournament · View matches | 1,674 | 1,643 | -31+21 / -52 | 7W / 4L |
| Jan 11, 2004 | Maryland CircuitTournament · View matches | 1,662 | 1,674 | +12+12 / 0 | 6W / 0L |
| Apr 6, 2003 | Maryland CircuitTournament · View matches | 1,660 | 1,662 | +2 | 11W / 4L |
| Feb 22, 2003 | Maryland Giant RRTournament · View matches | 1,649 | 1,660 | +11+14 / -3 | 3W / 1L |
| Feb 9, 2003 | Maryland CircuitTournament · View matches | 1,643 | 1,649 | +6 | 9W / 4L |
| Jan 25, 2003 | Maryland Giant RRTournament · View matches | 1,610 | 1,643 | +33+40 / -7 | 6W / 3L |
| Jan 12, 2003 | Maryland CircuitTournament · View matches | 1,624 | 1,610 | -14 | 4W / 3L |
| Nov 19, 2000 | Potomac Millennium OpenTournament · View matches | 1,631 | 1,624 | -7+0 / -7 | 1W / 2L |
| Aug 20, 2000 | Matthew Murad Memorial Open oTournament · View matches | 1,633 | 1,631 | -2+0 / -2 | 0W / 3L |
| Jul 4, 1999 | 1999 US OpenTournament · View matches | 1,630 | 1,633 | +3+30 / -27 | 4W / 6L |
| Jun 12, 1999 | Maryland Medallion ChampionshiTournament · View matches | 1,670 | 1,630 | -40+11 / -51 | 3W / 6L |
| May 2, 1999 | Maryland May CircuitTournament · View matches | 1,677 | 1,670 | -7 | 7W / 3L |
| Apr 18, 1999 | MDTTC April OpenTournament · View matches | 1,665 | 1,677 | +12 | 4W / 3L |
| Apr 11, 1999 | Maryland April CircuitTournament · View matches | 1,677 | 1,665 | -12 | 5W / 4L |
| Mar 7, 1999 | Maryland March CircuitTournament · View matches | 1,655 | 1,677 | +22 | 7W / 6L |
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 1,622 | 1,655 | +33+59 / -26 | 4W / 14L |
| Nov 15, 1998 | MDTTC November OpenTournament · View matches | 1,630 | 1,622 | -8+10 / -18 | 2W / 3L |
| Nov 8, 1998 | Maryland CircuitTournament · View matches | 1,580 | 1,630 | +50 | 4W / 3L |
1–20 of 36
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