Ito Katsuko

Ito Katsuko (伊藤勝子) has a rating of 1487.

Ito Katsuko伊藤勝子

Rating1487

Rank—

1-year change—

Peak rating—

Last 52-3

1971 record: 2-3
Record since 1927: 2-3
Win rate: .400

Not listed in the rating list: we have not confirmed whether this player is active

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

Women's tournaments ratings Find a player

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
October 27, 1971	Honda SachikoAll-Japan Women's Championship League　as Black	Loss	↓12
September 1, 1971	Kodama SachikoAll-Japan Women's Championship League　as Black	Loss	↓13
July 28, 1971	Suzuki TsunaAll-Japan Women's Championship League　as White	Loss	↓21
June 24, 1971	Ito TomoeAll-Japan Women's Championship 3rd Preliminary　as Black	Win	↑17
April 20, 1971	Ishigure MakikoAll-Japan Women's Championship 3rd Preliminary　as Black	Win	↑16

Head-to-head

Up to 10 opponents, most-played first. Records are from Ito Katsuko'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
Ishigure Makiko	1-01.000	1-0	0-0
Kodama Sachiko	0-1.000	0-1	0-0
Ito Tomoe	1-01.000	1-0	0-0
Suzuki Tsuna	0-1.000	0-0	0-1
Honda Sachiko	0-1.000	0-1	0-0

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
1971	2-3	.400
Total	2-3	.400

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