Go Player Ratings

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Ikemoto Ryota

Ikemoto Ryota (池本遼太) has a rating of 1897, ranked 47 of 452 in professional play. Their highest rating so far is 1897 (September 17, 2026).

Ikemoto Ryota4 dan池本遼太Nihon Ki-in Kansai HQ
Rating1897
Rank47
1-year change↑115
Peak rating1897
Last 10133-79
2026 record
18-6
Record since 1927
133-79
Win rate
.627

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

Professional ratingsFind a player

Rating history — professional

31 gamesHigh 1897Low 1755
86 gamesHigh 1897Low 1685
152 gamesHigh 1897Low 1662
208 gamesHigh 1897Low 1487

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 17, 2026Kikkawa HajimeGosei Preliminary A　as White↑7
September 14, 2026Muramoto WataruHiroshima Aluminum Cup Wakagoi Preliminary　as Black↑20
September 14, 2026Mito ShuheiHiroshima Aluminum Cup Wakagoi Preliminary　as White↑19
August 27, 2026Fujisawa RinaJudan Final Preliminary Final　Colors unknown↓11
August 20, 2026Nishioka MasaoGosei　Colors unknown↑13
August 10, 2026Han ZenkiJudan Final Preliminary Round 1　Colors unknown↑14
August 3, 2026Ohashi NaruyaHoninbo　Colors unknown↓21
July 16, 2026Oba JunyaJudan　Colors unknown↑14
July 9, 2026Nakao JungoGosei　Colors unknown↑8
June 18, 2026Takei TakashiHoninbo　Colors unknown↑7
June 11, 2026Ohashi NaruyaJudan　Colors unknown↑13
May 28, 2026Iwamaru TairaJudan　Colors unknown↑10
April 30, 2026Adachi ToshimasaTengen Round 2　as White↓8
April 23, 2026Imabun TaroKisei First Tournament Preliminary Semifinal　Colors unknown↓20
April 16, 2026Ushikubo YoshitakaKisei First Tournament Preliminary Quarterfinal　Colors unknown↑3
April 9, 2026Tsukada ChiharuHoninbo　Colors unknown↑3
March 26, 2026Yuki SatoshiTengen Round 1　as White↑16
March 19, 2026Horimoto MitsunariMeijin　Colors unknown↓19
March 5, 2026Sekiyama ToshimichiKisei First Tournament Preliminary Round 2　Colors unknown↑5
February 19, 2026Kuwamoto ShinpeiMeijin　Colors unknown↑5

Head-to-head

Up to 10 opponents, most-played first. Records are from Ikemoto Ryota'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
Mito Shuhei5-1.8330-11-0
Ohashi Naruya3-2.6001-00-0
Muramoto Wataru3-2.6002-00-1
Sakaguchi Ryuzo5-01.0000-00-0
Sakamoto Yasuo3-1.7500-00-0
Sakai Takashi3-1.7500-01-1
Kitano Ryo3-1.7500-00-0
Torii Yuta3-1.7500-00-0
Rin Shien2-1.6670-00-0
Otani Naoki1-2.3330-00-1

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
202618-6.750
202518-10.643
202416-13.552
202314-12.538
202225-12.676
202119-10.655
202014-8.636
20199-6.600
20170-1.000
20160-1.000
Total133-79.627

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