Player record

Christopher J. Ko

ID 49826MDMaleInactive

Christopher J. Ko's USATT rating is 1,987.

USATT rating1,987
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Wins

39

Indexed tournament wins

Losses

46

Indexed tournament losses

Matches

85

Decisive results

Win rate

45.9%

Across indexed matches

Peak rating

2,040

Highest rating in the available history.

Biggest upset

Marcus P. Horth

US Teams · Nov 27, 1994 · +188 rating

Open →

Biggest loss

Laura Lin

Potomac Spring Open · Apr 16, 1995 · -224 rating

Open →

Most frequent opponent

Richard Lee

5 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

14 tournament appearances · synced Aug 26, 2026, 2:23 AM

DateTournamentRating inRating afterPoints changedRecord
Aug 27, 1995NTTC August OpenTournament · View matches1,9551,987+32+46 / -146W / 3L
Aug 5, 1995USATT Jr. NationalsTournament · View matches1,9551,9550+0 / 01W / 1L
Aug 5, 1995AAU Jr. OlympicsTournament · View matches1,9461,955+9+13 / -41W / 2L
May 20, 1995AAU/USA Jr. Olympic & USATT JrTournament · View matches1,9521,946-6+0 / -61W / 3L
Apr 29, 19951995 Maryland State ChampionshipTournament · View matches1,9531,952-1+0 / -11W / 1L
Apr 16, 1995Potomac Spring OpenTournament · View matches2,0001,953-47+2 / -493W / 5L
Feb 18, 1995NTTC February OpenTournament · View matches2,0182,000-18+1 / -192W / 4L
Nov 27, 1994US TeamsTournament · View matches2,0092,018+9+43 / -343W / 10L
Sep 4, 1994NTTC September OpenTournament · View matches2,0402,009-313W / 3L
Aug 4, 1994Jr. OlympicsTournament · View matches2,0402,0400+4 / -43W / 2L
Jul 24, 1994NTTC July OpenTournament · View matches2,0102,040+30+32 / -26W / 2L
Jun 25, 1994Capital Games & Jr. Olympic TrTournament · View matches2,0112,010-1+11 / -125W / 4L
May 8, 1994Potomac OpenTournament · View matches2,0012,011+10+17 / -73W / 4L
Feb 27, 1994NTTC February OpenTournament · View matches2,0032,001-2+1 / -31W / 2L