Player record

Yamaguchi, Katsumi

ID 55764WAMaleInactive
Current rating1,185
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Wins

6

Indexed tournament wins

Losses

7

Indexed tournament losses

Matches

13

Decisive results

Win rate

46.2%

Across indexed matches

Peak rating

1,185

Highest rating in the available history.

Biggest upset

Not enough data

No qualifying upset available.

Biggest loss

Not enough data

No qualifying loss available.

Most frequent opponent

Cubias, Esteban

1 match

Open →

Rating trajectory

Published rating movement across recorded events.

Rating history unavailable

More published rating points are needed before a trajectory can be drawn.

Tournament history

1 tournament appearances · synced Aug 11, 2026, 2:25 AM

DateTournamentRating inRating afterPoints changedRecord
May 22, 1994Seattle OpenTournament · View matches1,0591,185+1266W / 7L