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Tsurumaru Keiichi

Tsurumaru Keiichi (鶴丸敬一) has a rating of 1318, ranked 396 of 452 in professional play. Their highest rating so far is 1492 (March 2, 2006).

Tsurumaru Keiichi7 dan鶴丸敬一Nihon Ki-in Tokyo
Rating1318
Rank396
1-year change↑46
Peak rating1492
Last 1094-192
2026 record
4-7
Record since 1927
94-192
Win rate
.329

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

Professional ratingsFind a player

Rating history — professional

13 gamesHigh 1332Low 1267
35 gamesHigh 1336Low 1255
60 gamesHigh 1336Low 1244
211 gamesHigh 1492Low 1244

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 17, 2026Takei TaishinOza　Colors unknown↓3
August 10, 2026Aoki KikuyoSGW Cup Chuyo Preliminary Round 1　Colors unknown↓10
July 9, 2026Osawa NarumiOza　Colors unknown↑23
May 7, 2026Kono YukioOza　Colors unknown↑6
April 27, 2026Jo BunenGosei　Colors unknown↓4
April 9, 2026Mimura TomoyasuHoninbo　Colors unknown↓2
March 30, 2026Aoki ShinichiTengen　Colors unknown↓6
March 19, 2026Kato TomokoGosei　Colors unknown↑20
February 23, 2026Ueno AsamiKisei First Tournament Round 2　as White↓1
February 16, 2026Ohashi HirofumiJudan　Colors unknown↓2
January 19, 2026Kazama JunKisei First Tournament Preliminary Round 1　Colors unknown↑29
November 20, 2025I RyoMeijin　Colors unknown±0
September 25, 2025Kurotaki MasanoriSGW Cup Chuyo Preliminary Round 1　as White↓5
July 14, 2025Ko MoseiRyusei　Colors unknown↓13
July 3, 2025Cho KoharuOza　Colors unknown↓15
June 23, 2025Mitani TetsuyaHoninbo　Colors unknown↓1
May 25, 2025Kato KeikoTengen　Colors unknown↓14
May 8, 2025Yashiro KumikoHoninbo　Colors unknown↑24
March 20, 2025Rin ShienJudan　Colors unknown↓2
February 24, 2025Hagiya KazuhiroAgon Kiriyama Cup　Colors unknown↓21

Head-to-head

Up to 10 opponents, most-played first. Records are from Tsurumaru Keiichi's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
OpponentTotalAs BlackAs White
Ono Nobuyuki1-3.2500-00-0
Yamada Takuji0-4.0000-10-0
Rin Kaiho1-3.2500-10-2
Nakamura Kuniko4-01.0000-00-0
Nakazawa Ayako1-2.3330-00-0
Suzuki Isao2-1.6670-00-0
Mitsunaga Junzo0-3.0000-00-0
Taniguchi Toshinori3-01.0000-00-0
Aoki Kikuyo0-3.0000-00-0
Obuchi Kotaro0-3.0000-00-0

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.

YearRecordWin rate
20264-7.364
20251-11.083
20244-6.400
20234-12.250
20221-7.125
20213-12.200
20202-8.200
20194-10.286
20185-12.294
20179-13.409
20164-9.308
20157-11.389
20141-2.333
20132-6.250
20125-7.417
20114-5.444
20101-1.500
20092-3.400
20070-1.000
20061-5.167
200512-9.571
20045-10.333
20037-9.438
20024-7.364
19981-01.000
19960-3.000
19920-1.000
19900-4.000
19891-1.500
Total94-192.329

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