Go Player Ratings

JAAbout ratings

Imamura Toshiya

Imamura Toshiya (今村俊也) has a rating of 1766, ranked 101 of 452 in professional play. Their highest rating so far is 1949 (December 21, 2017).

Imamura Toshiya9 dan今村俊也Kansai Ki-in
Rating1766
Rank101
1-year change↑31
Peak rating1949
Last 10404-363
2026 record
5-2
Record since 1927
404-363
Win rate
.527

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

Professional ratingsFind a player

Rating history — professional

8 gamesHigh 1766Low 1716
36 gamesHigh 1821Low 1716
68 gamesHigh 1821Low 1698
371 gamesHigh 1949Low 1698

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 26, 2026Hashimoto KanOza Preliminary B　as Black↑8
August 2, 2026Miura TaroNHK Cup Main Tournament Round 1　Colors unknown↓5
March 18, 2026Nishimura JinGosei Preliminary B　as White↑10
March 11, 2026Taniguchi ToruKisei First Tournament Preliminary Quarterfinal　Colors unknown↓13
March 5, 2026Imabun TaroMeijin Preliminary B　as White↑15
February 19, 2026Enda HidekiKisei First Tournament Preliminary Round 2　Colors unknown↑7
January 12, 2026Sada AtsushiMeijin Preliminary C　as White↑28
September 29, 2025Okawa TakuyaKansai Ki-in First Place Tournament Preliminary　as Black↓19
September 4, 2025U BoiHoninbo Preliminary B　as White↓9
August 20, 2025Yuki SatoshiKisei League C Round 3　as White↓9
July 24, 2025Nakano HironariKisei League C Round 2　as White↓15
July 16, 2025Kiyonari TetsuyaTengen Preliminary B　as White↓17
June 25, 2025Watanabe KokiMeijin Preliminary B　as Black↓24
June 19, 2025Yoda NorimotoKisei League C Round 1　as Black↓13
May 21, 2025Furuya YutakaMeijin Preliminary B　as White↑14
May 14, 2025Kumaki TeruyaKisei First Tournament Round 5　as White↑8
May 12, 2025Kumaki TeruyaKisei First Tournament Preliminary Final　Colors unknown↑9
April 17, 2025Kumamoto ShuseiKisei First Tournament Round 4　as White↑7
March 27, 2025Cho UOza Final Preliminary　as White↓8
March 13, 2025Konishi KazukoKisei First Tournament Round 3　as Black↑4

Head-to-head

Up to 10 opponents, most-played first. Records are from Imamura Toshiya'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
Cho Chikun8-10.4442-76-2
O Rissei7-9.4382-44-5
Yamashita Keigo6-9.4003-63-3
Yuki Satoshi5-10.3333-22-8
Yoda Norimoto5-9.3572-73-2
Otake Hideo6-8.4293-13-6
Cho U2-12.1431-41-5
Kobayashi Koichi6-7.4623-32-4
Hane Naoki6-6.5004-31-2
Yamashiro Hiroshi7-5.5834-21-3
O Meien4-8.3332-32-4
Yamada Kimio6-6.5002-24-3
Nakano Hironari9-2.8181-06-1
Hikosaka Naoto7-4.6363-14-2
Yu Zhengqi0-10.0000-50-3
Kobayashi Satoru3-7.3001-52-2
Komatsu Hideki4-6.4003-30-2
Cho Sonjin3-7.3000-53-2
Fujisawa Shuko2-7.2222-50-2
Kato Masao2-6.2501-20-4
Takemiya Masaki3-5.3750-03-5
Ogata Masaki4-4.5002-32-0
Yukawa Mitsuhisa4-4.5003-31-1
Ishida Yoshio0-8.0000-30-4
Rin Kaiho3-5.3752-11-4
Mizokami Tomochika3-5.3750-23-2
Seto Taiki2-6.2501-01-5
Hashimoto Yujiro6-1.8574-02-1
Moriyama Naoki4-3.5713-10-2
Awaji Shuzo4-3.5711-12-2
Takao Shinji1-6.1430-21-4
Morita Michihiro4-3.5712-01-2
Miyazawa Goro2-5.2861-41-1
Furuya Yutaka5-1.8330-13-0
Sonoda Yuichi5-1.8333-02-1
Mimura Tomoyasu4-2.6670-13-0
Sada Atsushi4-2.6671-22-0
Yokota Shigeaki6-01.0005-01-0
Sakai Hideyuki2-4.3330-21-1
Hisajima Kunio4-2.6674-00-2
Kono Rin2-4.3330-21-1
Kataoka Satoshi2-4.3331-11-3
Kudo Norio4-1.8001-12-0
Tsuji Shigehito4-1.8001-02-1
Nakano Yasuhiro2-3.4000-02-1
Murakawa Daisuke2-3.4000-22-1
Tono Hiroaki2-3.4002-10-1
Iyama Yuta0-5.0000-20-3
Takagi Shoichi3-2.6002-01-2
Hashimoto Shoji2-3.4000-12-2
Nakaonoda Tomomi2-3.4002-00-3
Ryu Shikun2-3.4001-31-0

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
20265-2.714
20257-10.412
20244-5.444
202310-5.667
20227-8.467
20218-8.500
20206-10.375
201912-12.500
20188-13.381
201716-10.615
201614-9.609
201516-6.727
20145-9.357
20135-7.417
20129-9.500
20118-6.571
20109-8.529
200911-7.611
20088-10.444
20079-11.450
200617-21.447
200527-17.614
200410-11.476
20037-4.636
200213-9.591
20014-5.444
200014-11.560
19997-6.538
19982-1.667
19972-1.667
19962-2.500
19954-6.400
199414-5.737
19935-7.417
199210-11.476
19918-10.444
199010-14.417
198915-12.556
19889-8.529
198714-10.583
19867-6.538
19858-12.400
198411-3.786
19832-4.333
19825-1.833
19810-1.000
Total404-363.527

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