Go Player Ratings

JAAbout ratings

Yokotsuka Riki

Yokotsuka Riki (横塚力) has a rating of 2034, ranked 23 of 452 in professional play. Their highest rating so far is 2054 (April 24, 2025).

Yokotsuka Riki8 dan横塚力Nihon Ki-in Tokyo
Rating2034
Rank23
1-year change↑121
Peak rating2054
Last 10250-139
2026 record
19-5
Record since 1927
250-139
Win rate
.643

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

Professional ratingsFind a player

Rating history — professional

34 gamesHigh 2048Low 1916
101 gamesHigh 2054Low 1900
167 gamesHigh 2054Low 1900
387 gamesHigh 2054Low 1472

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, 2026Cho UHoninbo　Colors unknown↓14
August 17, 2026Shida TatsuyaKisei League C Round 4　as White↑16
August 10, 2026Yashiro KumikoSGW Cup Chuyo Preliminary Semifinal　Colors unknown↑1
August 10, 2026Kurotaki MasanoriSGW Cup Chuyo Preliminary Round 1　Colors unknown↑2
August 6, 2026Takeuchi KosukeJudan Final Preliminary Round 1　Colors unknown↑7
July 30, 2026Inaba TakahiroHoninbo　Colors unknown↑6
July 20, 2026Suzuki ShinjiKisei　Colors unknown↑19
July 16, 2026Shuto ShunGosei　Colors unknown↓22
July 13, 2026Mimura TomoyasuJudan Preliminary A Final　as Black↑9
July 9, 2026Suzuki ShinjiMeijin　Colors unknown↓16
July 6, 2026Han ZenkiHoninbo　Colors unknown↑7
June 25, 2026Ueno AsamiKisei League C Round 2　as Black↓19
June 15, 2026Kato AtsushiJudan Preliminary A　as Black↑7
June 4, 2026Horimoto MitsunariKisei League C Round 1　as Black↑6
June 1, 2026Ishida YoshioHoninbo　Colors unknown↑1
May 21, 2026Mannami KanaJudan　Colors unknown↑1
May 18, 2026Mitani TetsuyaKisei First Tournament Preliminary Final　Colors unknown↑9
May 4, 2026Jo BunenKisei First Tournament Preliminary Semifinal　Colors unknown↑3
April 20, 2026Takeuchi KosukeMeijin　Colors unknown↑8
April 13, 2026Kaneko MakiHoninbo　Colors unknown±0

Head-to-head

Up to 10 opponents, most-played first. Records are from Yokotsuka Riki'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 U2-8.2000-22-0
Inaba Takahiro7-2.7780-00-0
Terayama Rei4-5.4440-11-0
Onishi Ryuhei3-5.3752-10-1
Koyama Kuya5-3.6251-00-1
Onishi Kenya5-2.7141-01-2
O Meien6-1.8574-00-0
Takeuchi Kosuke6-1.8570-00-0
Suzuki Shinji2-5.2860-11-2
Rin Shien5-01.0000-00-0
Hirose Yuichi3-2.6001-00-0
Otake Yu3-2.6002-01-2

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
202619-5.792
202517-13.567
202421-13.618
202327-11.711
202220-11.645
202118-12.600
202025-15.625
201928-13.683
201819-12.613
201733-15.688
201619-13.594
20154-5.444
20130-1.000
Total250-139.643

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