Player record

Sempeles, George

ID 9888MDMaleInactive
Current rating1,431
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Wins

16

Indexed tournament wins

Losses

15

Indexed tournament losses

Matches

31

Decisive results

Win rate

51.6%

Across indexed matches

Peak rating

1,528

Highest rating in the available history.

Biggest upset

Loth, Jack W.

USATT National Championships · Dec 18, 1995 · +100 rating

Open →

Biggest loss

Jones, Mal

1996 U.S. Nationals · Dec 22, 1996 · -259 rating

Open →

Most frequent opponent

Jones, Mal

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

5 tournament appearances · synced Aug 8, 2026, 2:18 AM

DateTournamentRating inRating afterPoints changedRecord
Dec 22, 19961996 U.S. NationalsTournament · View matches1,4821,431-51+0 / -510W / 2L
Jul 7, 19961996 US OpenTournament · View matches1,5221,482-40+0 / -403W / 2L
Dec 18, 1995USATT National ChampionshipsTournament · View matches1,5271,522-5+20 / -254W / 6L
Jul 9, 1995US OpenTournament · View matches1,5281,527-1+11 / -125W / 3L
Dec 18, 1994US NationalsTournament · View matches1,5301,528-2+2 / -44W / 2L