Go Player Ratings

JAAbout ratings

So Kofuku

So Kofuku (宋光復) has a rating of 1494, ranked 271 of 452 in professional play. Their highest rating so far is 1636 (February 29, 2024).

So Kofuku9 dan宋光復Nihon Ki-in Tokyo
Rating1494
Rank271
1-year change↓5
Peak rating1636
Last 10157-191
2026 record
3-6
Record since 1927
157-191
Win rate
.451

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

Professional ratingsFind a player

Rating history — professional

11 gamesHigh 1509Low 1479
43 gamesHigh 1636Low 1479
76 gamesHigh 1636Low 1479
260 gamesHigh 1636Low 1391

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
July 27, 2026Hoshiai ShihoOza　Colors unknown↓8
April 30, 2026Kataoka SatoshiOza　Colors unknown↑23
April 23, 2026Awaji ShuzoJudan　Colors unknown↓10
April 16, 2026Suzuki YoshimichiHoninbo　Colors unknown↓10
April 2, 2026Miyazaki RyutaroJudan　Colors unknown↑12
March 16, 2026Yo ChitoGosei　Colors unknown↓4
February 19, 2026Koyama TerumiTengen　Colors unknown↓11
February 2, 2026Kikuchi YoshioJudan　Colors unknown↑4
January 19, 2026Mizokami TomochikaKisei First Tournament Round 1　as White↓4
December 22, 2025Sotoyanagi SebunMeijin　Colors unknown↓6
November 17, 2025Goto ManaMeijin　Colors unknown↑10
July 31, 2025Oomote TakutoOza　Colors unknown↓4
July 21, 2025Hamakado HibikiRyusei　Colors unknown↓8
July 7, 2025Nakajima MiekoRyusei　Colors unknown↑8
July 7, 2025Kaneko MakiRyusei　Colors unknown↑8
May 29, 2025Doi MakotoOza　Colors unknown↑5
May 12, 2025Kuwabara YokoTengen　Colors unknown↓23
April 24, 2025Osawa NarumiJudan　Colors unknown↓20
April 7, 2025Takeuchi KosukeHoninbo　Colors unknown↓9
March 17, 2025O YuininAgon Kiriyama Cup　Colors unknown↓28

Head-to-head

Up to 10 opponents, most-played first. Records are from So Kofuku'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
Takemiya Masaki2-5.2860-21-1
Ishida Yoshio1-5.1670-11-3
Okada Shinichiro2-4.3330-10-1
O Yuinin2-3.4000-00-0
Kaku Kyushin3-1.7500-10-0
Suzuki Yoshimichi0-4.0000-00-1
Kono Mitsuki0-4.0000-00-0
Koyama Ryugo2-2.5000-00-0
Oki Keiji3-1.7500-00-0
Makihata Taeko1-2.3330-00-0

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
20263-6.333
20256-10.375
20248-7.533
202312-8.600
20223-8.273
202110-8.556
20205-5.500
20190-6.000
20187-11.389
201711-14.440
201610-10.500
201511-9.550
20146-4.600
20135-5.500
20126-10.375
201110-6.625
20100-1.000
20091-3.250
20080-4.000
20065-6.455
20056-9.400
20047-9.438
20037-9.438
20026-7.462
20010-2.000
19990-1.000
19980-1.000
19972-1.667
19962-01.000
19952-3.400
19933-2.600
19920-2.000
19911-2.333
19900-1.000
19880-1.000
19872-01.000
Total157-191.451

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