Iguchi Seiji

Iguchi Seiji (井口精治) has a rating of 1469.

Retired. The rating shown is the rating at retirement.

Iguchi Seiji井口精治Nihon Ki-in

Rating1469

Rank—

1-year change—

Peak rating—

Last 30-3

1963 record: 0-1
Record since 1927: 0-3
Win rate: .000

Rating at retirement (not included in the rating list)

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Professional ratings Find a player

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
August 28, 1963	Hane YasumasaNihon Ki-in Championship 1st Preliminary　as White	Loss	↓9
August 19, 1962	Hane YasumasaFormer Meijin 1st Preliminary　as Black	Loss	↓11
July 23, 1962	Hane YasumasaNihon Ki-in Championship 1st Preliminary　as White	Loss	↓12

Head-to-head

Up to 10 opponents, most-played first. Records are from Iguchi Seiji's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
Opponent	Total	As Black	As White
Hane Yasumasa	0-3.000	0-1	0-2

Record by year

Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.

Year	Record	Win rate
1963	0-1	.000
1962	0-2	.000
Total	0-3	.000

Calculated from games played between 1927 and 2026 (as of September 17, 2026).