Go Player Ratings

JAAbout ratings

Han Zenki

Han Zenki (潘善琪) has a rating of 1766, ranked 100 of 452 in professional play. Their highest rating so far is 1935 (June 13, 2022).

Han Zenki9 dan潘善琪Nihon Ki-in Tokyo
Rating1766
Rank100
1-year change↓7
Peak rating1935
Last 10342-253
2026 record
9-7
Record since 1927
342-253
Win rate
.575

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 1806Low 1757
61 gamesHigh 1839Low 1748
119 gamesHigh 1935Low 1748
431 gamesHigh 1935Low 1625

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 14, 2026Rin ShienOza Preliminary B　as Black↓15
August 17, 2026Tsuneishi TakashiOza　Colors unknown↑13
August 10, 2026Ikemoto RyotaJudan Final Preliminary Round 1　Colors unknown↓13
July 27, 2026Iguchi ToyohideJudan　Colors unknown↑16
July 20, 2026Ueno RisaGosei　Colors unknown↓14
July 13, 2026Numadate SakiyaTengen　Colors unknown↓17
July 6, 2026Yokotsuka RikiHoninbo　Colors unknown↓7
June 25, 2026Okada ShinichiroOza　Colors unknown↑5
June 18, 2026Matsumoto TakehisaJudan Preliminary A　as White↑17
June 4, 2026Kawahara YuTengen　Colors unknown↑10
May 7, 2026Sugimoto AkiraJudan　Colors unknown↑8
April 30, 2026Goto ManaOza　Colors unknown↑3
March 16, 2026Anzai NobuakiKisei First Tournament Preliminary Quarterfinal　Colors unknown↓9
February 16, 2026Tajiri YutoKisei First Tournament Preliminary Round 2　Colors unknown↑15
February 9, 2026Sun ZheMeijin Preliminary B　as White↓10
January 19, 2026Izumitani HideoKisei First Tournament Preliminary Round 1　Colors unknown↑7
September 29, 2025Numadate SakiyaOza　Colors unknown↓15
September 15, 2025Takao ShinjiHoninbo　Colors unknown↓8
September 8, 2025So YokokuHoninbo　Colors unknown↑20
September 4, 2025Anzai NobuakiTengen　Colors unknown↓9

Head-to-head

Up to 10 opponents, most-played first. Records are from Han Zenki'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
So Yokoku2-9.1820-20-1
Cho Sonjin3-8.2730-22-3
Kim Sujun3-8.2731-30-4
Akiyama Jiro5-4.5561-20-1
Anzai Nobuaki4-4.5002-11-1
Mizokami Tomochika3-5.3750-10-2
Hirata Tomoya3-5.3751-10-0
Cho Chikun2-6.2502-30-2
Kudo Norio7-01.0000-02-0
O Rissei2-5.2861-20-2
O Meien1-6.1430-31-3
Cho U1-6.1430-11-4
Yamashita Keigo1-6.1431-30-1
Ichiriki Ryo2-5.2860-31-1
Hane Naoki0-6.0000-20-2
Sugimoto Akira5-1.8330-01-0
Ko Iso3-3.5001-10-0
Morita Michihiro4-2.6671-00-0
Ohashi Hirofumi5-1.8331-12-0
Ryu Shikun4-2.6670-02-1
Numadate Sakiya0-5.0000-00-0
Hashimoto Yujiro4-1.8000-00-0
Mochizuki Kenichi3-2.6001-01-1
Yoda Norimoto2-3.4001-10-1
Mimura Tomoyasu3-2.6000-01-1
Tsuruyama Atsushi4-1.8000-12-0
Yamashiro Hiroshi1-4.2000-00-2
Kobayashi Satoru2-3.4001-00-3
Adachi Toshimasa4-1.8000-00-0
Rin Kaiho5-01.0000-02-0
Kono Takashi3-2.6000-00-0
Kobayashi Koichi2-3.4001-11-1
Kono Rin1-4.2001-20-1
Komatsu Hideki0-5.0000-10-2
Nakaonoda Tomomi3-2.6000-10-0
Ko Reibun4-1.8001-10-0

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
20269-7.563
202513-9.591
20248-10.444
202311-10.524
202218-11.621
202120-12.625
202013-9.591
201912-11.522
201823-13.639
201713-12.520
201619-8.704
20159-7.563
20147-8.467
201310-6.625
201215-9.625
201114-12.538
20108-9.471
20097-3.700
20084-3.571
20070-7.000
200615-17.469
200521-17.553
200430-14.682
200318-10.643
200217-8.680
20012-2.500
20002-2.500
19993-4.429
19980-2.000
19971-1.500
Total342-253.575

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