Go Player Ratings

JAAbout ratings

Osawa Kenro

Osawa Kenro (大澤健朗) has a rating of 1442, ranked 312 of 452 in professional play. Their highest rating so far is 1603 (June 11, 2020).

Osawa Kenro4 dan大澤健朗Nihon Ki-in Chubu
Rating1442
Rank312
1-year change↑5
Peak rating1603
Last 10135-182
2026 record
3-9
Record since 1927
135-182
Win rate
.426

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

Professional ratingsFind a player

Rating history — professional

17 gamesHigh 1478Low 1420
49 gamesHigh 1478Low 1358
88 gamesHigh 1516Low 1358
316 gamesHigh 1603Low 1328

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
September 3, 2026Kim SujunSGW Cup Chuyo Preliminary Semifinal　Colors unknown↓4
September 3, 2026Yamamoto KentaroSGW Cup Chuyo Preliminary Round 1　Colors unknown↑19
June 18, 2026Nakano HironariOkan　Colors unknown↓4
June 4, 2026O KeiiOza　Colors unknown↓12
April 23, 2026Kato YukiOkan　Colors unknown↑23
April 6, 2026Hane YasumasaTengen　Colors unknown↓13
March 30, 2026Hane NaokiGosei　Colors unknown↓3
March 23, 2026Hiroe HiroyukiHoninbo　Colors unknown↓19
March 12, 2026Matsuoka HidekiJudan　Colors unknown↓9
March 2, 2026Goto ShungoKisei First Tournament Preliminary Round 2　Colors unknown↓13
February 12, 2026Katsuma ShiroKisei First Tournament Preliminary Round 1　Colors unknown↑14
January 8, 2026Yamashiro HiroshiMeijin　Colors unknown↓4
November 13, 2025Baba ShigeruMeijin　Colors unknown↑9
October 9, 2025Kato ChieOkan　Colors unknown↓5
September 29, 2025Suzuki YoshimichiSGW Cup Chuyo Preliminary Final　as Black↓8
September 29, 2025Yanaka KatsunoriSGW Cup Chuyo Preliminary Round 2　as White↑20
September 29, 2025Kato TomokoSGW Cup Chuyo Preliminary Round 1　as Black↑15
July 24, 2025Shimojima YoheiTengen　Colors unknown↓5
July 17, 2025Takao MariOkan　Colors unknown↑23
July 14, 2025Nakano HironariRyusei　Colors unknown↓4

Head-to-head

Up to 10 opponents, most-played first. Records are from Osawa Kenro'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
Kamiji Hiroki8-1.8890-00-0
Katayama Yasuo4-5.4440-00-0
Inagaki Yo7-1.8750-00-0
Akedo Kazumi8-01.0000-00-0
Kato Yuki2-6.2500-00-0
Asano Yasuko7-01.0000-00-0
O Keii4-3.5710-00-0
Takeda Yoshinori5-2.7140-00-0
Shinoda Mitsuaki3-4.4290-00-0
Okumura Yasushi6-1.8571-00-0
Nakao Jungo3-4.4290-00-0
Nakano Hironari1-5.1670-00-0
Shida Tatsuya1-5.1670-00-0
Baba Shigeru4-2.6670-00-0
Hane Yasumasa2-4.3330-00-0
Takahashi Masumi3-3.5000-00-0
Hiroe Hiroyuki0-6.0000-00-0
Miyagawa Fumihiko2-4.3330-00-0
Hane Ayaka1-4.2000-00-0
Ogata Masaki0-5.0000-00-0
Kim Hyunjong4-1.8000-00-0

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
20263-9.250
202511-11.500
20243-10.231
202310-11.476
20223-10.231
20219-12.429
20208-10.444
201916-10.615
201816-14.533
201710-17.370
201611-10.524
201515-13.536
20142-5.286
20135-4.556
20125-10.333
20114-5.444
20100-3.000
20090-5.000
20082-10.167
20072-3.400
Total135-182.426

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