Go Player Ratings

JAAbout ratings

Muramoto Wataru

Muramoto Wataru (村本渉) has a rating of 1948, ranked 38 of 452 in professional play. Their highest rating so far is 1975 (July 27, 2026).

Muramoto Wataru5 dan村本渉Nihon Ki-in Kansai HQ
Rating1948
Rank38
1-year change↑75
Peak rating1975
Last 10171-99
2026 record
18-13
Record since 1927
171-99
Win rate
.633

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

Professional ratingsFind a player

Rating history — professional

42 gamesHigh 1975Low 1827
105 gamesHigh 1975Low 1769
172 gamesHigh 1975Low 1680
269 gamesHigh 1975Low 1481

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, 2026Shimojima YoheiTengen Preliminary A　as White↑8
September 14, 2026Ikemoto RyotaHiroshima Aluminum Cup Wakagoi Preliminary　as White↓20
September 14, 2026Asahi YujunHiroshima Aluminum Cup Wakagoi Preliminary　as White↑5
September 10, 2026Ohashi NaruyaHoninbo Preliminary A　as White↑9
August 30, 2026Fukuoka KotaroNHK Cup Main Tournament Round 2　Colors unknown↓4
August 24, 2026Tsuruta KazushiGosei　Colors unknown↑18
August 6, 2026Konishi YoshiakiraOza　Colors unknown↓25
August 3, 2026Fukuoka KotaroKisei League B1　as Black↓5
July 30, 2026Hirose YuichiMeijin　Colors unknown↓13
July 27, 2026Oba JunyaHoninbo　Colors unknown↑9
July 13, 2026Kasahara YukiOza　Colors unknown↑3
July 6, 2026Adachi ToshimasaKisei League B1　as White↑18
July 2, 2026Ha YoungilMeijin　Colors unknown↑10
June 25, 2026Nakano HironariHoninbo　Colors unknown↑9
June 18, 2026Murakawa DaisukeKisei League B1　as White↓9
June 14, 2026I RyoNHK Cup Round 1　as White↑21
May 25, 2026Tsukada ChiharuMeijin　Colors unknown↑2
May 21, 2026Koike YoshihiroKisei League B1　as White↓9
May 14, 2026Yamada KimioJudan　Colors unknown↓21
May 7, 2026Tanaka NobuyukiOza　Colors unknown↑8

Head-to-head

Up to 10 opponents, most-played first. Records are from Muramoto Wataru'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
Torii Yuta7-2.7780-01-0
Nakano Shoya6-2.7500-01-0
Yamashiro Hiroshi3-4.4291-01-0
Sakaguchi Ryuzo5-1.8330-00-0
Enda Hideki3-2.6000-00-0
Tanaka Nobuyuki4-1.8000-00-0
Muramatsu Hiroki1-4.2000-01-0
Sakai Takashi5-01.0000-00-0
Ikemoto Ryota2-3.4001-00-2
Sano Takatsugu5-01.0000-00-0

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
202618-13.581
202527-9.750
202415-10.600
202322-12.647
202223-15.605
202114-11.560
202017-11.607
201926-11.703
20189-7.563
Total171-99.633

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