Shiratori Sumiko

Shiratori Sumiko (白鳥澄子) has a rating of 1469.

Retired. The rating shown is the rating at retirement.

Shiratori Sumiko6 dan白鳥澄子Nihon Ki-in Tokyo

Rating1469

Rank—

1-year change—

Peak rating—

Last 103-7

1988 record: 2-1
Record since 1927: 3-7
Win rate: .300

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

Ratings in other pools

Ratings for general play and for women's tournaments are calculated independently and do not affect each other.

Women's tournaments: 1483　Rating at retirement (not included in the rating list)

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
June 8, 1988	Ogawa TomokoWomen's Honinbo Round 2　as White	Loss	↓6
March 16, 1988	Komatsu HidekoWomen's Honinbo Round 1　as Black	Win	↑20
January 13, 1988	Nakamura KunikoWomen's Honinbo Preliminary　as White	Win	↑16
November 25, 1987	Nakayama KaoruWomen's Honinbo Preliminary　as Black	Win	↑17
December 10, 1986	Inoue HatsueWomen's Honinbo Preliminary　as White	Loss	↓16
December 4, 1985	Inoue HatsueWomen's Honinbo Preliminary　as Black	Loss	↓18
May 13, 1985	Sugiuchi KazukoWomen's Kakusei Round 1　as White	Loss	↓11
April 1, 1985	Mizutani MorieWomen's Kakusei Preliminary　as White	Win	↑16
March 14, 1985	Sugiuchi KazukoWomen's Honinbo Round 1　as Black	Loss	↓11
November 14, 1984	Tanimura KunikoWomen's Honinbo Preliminary　as Black	Win	↑17
October 31, 1984	Takeda MisawoWomen's Honinbo Preliminary　as Black	Win	↑18
March 7, 1984	Kobayashi ReikoWomen's Honinbo Round 1　as White	Loss	↓7
November 30, 1983	Yoshida HarumiWomen's Honinbo Preliminary　as Black	Win	↑18
November 9, 1983	Ito HitoshiMeijin 1st Preliminary　as White	Loss	↓16
July 18, 1983	Kobayashi ChizuWomen's Kakusei Round 1　as Black	Loss	↓9
October 27, 1982	Nakamura KunikoWomen's Honinbo Preliminary　as Black	Loss	↓18
June 10, 1982	Rui NaiweiJapan-China Go Exchange Round 1　as Black	Loss	—
May 17, 1982	Kobayashi ChizuWomen's Kakusei Round 1　as Black	Loss	↓10
November 11, 1981	Kondo SachikoWomen's Honinbo Preliminary　as Black	Loss	↓14
July 1, 1981	Michael RedmondTengen Preliminary　as White	Loss	↓15

Head-to-head

Up to 10 opponents, most-played first. Records are from Shiratori Sumiko'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
Ogawa Tomoko	0-4.000	0-1	0-3
Kobayashi Chizu	2-2.500	2-2	0-0
Ito Tomoe	1-2.333	1-1	0-1
Inoue Hatsue	0-2.000	0-1	0-1
Kobayashi Reiko	1-1.500	0-0	1-1
Sugiuchi Kazuko	0-2.000	0-1	0-1
Nakamura Kuniko	1-1.500	0-1	1-0
Kong Xiangming	2-01.000	1-0	1-0
Kondo Sachiko	0-2.000	0-1	0-1
Suzuki Tsuna	0-2.000	0-0	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
1988	2-1	.667
1987	1-0	1.000
1986	0-1	.000
1985	1-3	.250
1984	2-1	.667
1983	1-2	.333
1982	0-3	.000
1981	0-2	.000
1979	1-2	.333
1978	1-1	.500
1977	0-1	.000
1975	4-6	.400
1974	1-0	1.000
1973	3-1	.750
1972	1-3	.250
Total	3-7	.300

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