Player record

Kei Ma

ID 28643CAMaleInactive

Kei Ma's USATT rating is 1,986.

USATT rating1,986

Wins

8

Indexed tournament wins

Losses

9

Indexed tournament losses

Matches

17

Decisive results

Win rate

47.1%

Across indexed matches

Peak rating

1,986

Highest rating in the available history.

Biggest upset

Amanda Malek

San Diego Open II 10K Tournament · May 28, 2016 · +112 rating

Open →

Biggest loss

Not enough data

No qualifying loss available.

Most frequent opponent

James Therriault

2 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

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

DateTournamentRating inRating afterPoints changedRecord
May 28, 2016San Diego Open II 10K TournamentTournament · View matches1,9571,986+29+35 / -66W / 5L
Nov 5, 2005San Diego OpenTournament · View matches · Initial rating 1,957Unrated1,9572W / 4L