Muramatsu Ryuichi
Muramatsu Ryuichi (村松竜一) has a rating of 1430. Their highest rating so far is 1624 (January 25, 2018).
Retired. The rating shown is the rating at retirement.
- 2025 record
- 6-8
- Record since 1927
- 175-211
- Win rate
- .453
Rating at retirement (not included in the rating list)
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Professional ratingsFind a player
Rating history — professional
The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| August 7, 2025 | Takeshita RyoyaOza Colors unknown | Loss | ↓4 |
| July 28, 2025 | Ryu ShikunRyusei Colors unknown | Loss | ↓3 |
| July 7, 2025 | Han ZenkiRyusei Colors unknown | Win | ↑29 |
| July 7, 2025 | Kenmochi JoRyusei Colors unknown | Win | ↑15 |
| June 2, 2025 | Hosaka MayuOza Colors unknown | Win | ↑5 |
| May 25, 2025 | Chen BoshaoHoninbo Colors unknown | Loss | ↓8 |
| May 19, 2025 | Yoda OzoraTengen Colors unknown | Loss | ↓9 |
| April 10, 2025 | Ko IunJudan Colors unknown | Loss | ↓11 |
| March 24, 2025 | Motoki KatsuyaAgon Kiriyama Cup Colors unknown | Loss | ↓1 |
| March 17, 2025 | Ko MoseiAgon Kiriyama Cup Colors unknown | Win | ↑14 |
| March 17, 2025 | Ko IunAgon Kiriyama Cup Colors unknown | Win | ↑23 |
| February 27, 2025 | Kikuchi MasatoshiJudan Colors unknown | Win | ↑16 |
| February 13, 2025 | Seki TatsuyaMeijin Colors unknown | Loss | ↓9 |
| January 30, 2025 | Hamakado HibikiGosei Colors unknown | Loss | ↓6 |
| December 26, 2024 | Suzuki AyumiKisei First Tournament Round 1 as White | Loss | ↓4 |
| July 29, 2024 | Komatsu HidekiRyusei Colors unknown | Loss | ↓4 |
| July 1, 2024 | Mizuma ToshifumiHoninbo Colors unknown | Loss | ↓9 |
| June 3, 2024 | Chen BoshaoTengen Colors unknown | Loss | ↓9 |
| May 23, 2024 | Nakayama KaoruOza Colors unknown | Loss | ↓28 |
| May 13, 2024 | Nagashima KozueHoninbo Colors unknown | Win | ↑11 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Mizuma Toshifumi | 3-5.375 | 0-0 | 0-0 |
| Kobayashi Satoru | 1-4.200 | 0-0 | 0-3 |
| Sakai Maki | 3-2.600 | 0-0 | 0-0 |
| Fukui Masaaki | 1-4.200 | 0-0 | 0-0 |
| Ryu Shikun | 2-3.400 | 1-2 | 1-0 |
| Imamura Toshiya | 2-2.500 | 1-1 | 1-0 |
| Chino Tadahiko | 1-3.250 | 0-0 | 0-0 |
| O Rissei | 2-2.500 | 1-1 | 1-1 |
| Ogaki Yusaku | 1-3.250 | 1-2 | 0-0 |
| Yo Kagen | 1-3.250 | 0-0 | 0-0 |
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.
| Year | Record | Win rate |
|---|---|---|
| 2025 | 6-8 | .429 |
| 2024 | 5-9 | .357 |
| 2023 | 2-10 | .167 |
| 2022 | 7-10 | .412 |
| 2021 | 11-10 | .524 |
| 2020 | 6-8 | .429 |
| 2019 | 10-9 | .526 |
| 2018 | 5-12 | .294 |
| 2017 | 11-12 | .478 |
| 2016 | 10-10 | .500 |
| 2015 | 9-10 | .474 |
| 2014 | 4-6 | .400 |
| 2013 | 6-7 | .462 |
| 2012 | 11-5 | .688 |
| 2011 | 7-6 | .538 |
| 2010 | 1-2 | .333 |
| 2009 | 0-2 | .000 |
| 2008 | 0-1 | .000 |
| 2006 | 3-7 | .300 |
| 2005 | 6-8 | .429 |
| 2004 | 15-9 | .625 |
| 2003 | 6-10 | .375 |
| 2002 | 6-6 | .500 |
| 2001 | 0-1 | .000 |
| 1998 | 2-1 | .667 |
| 1997 | 1-1 | .500 |
| 1995 | 0-2 | .000 |
| 1994 | 1-0 | 1.000 |
| 1993 | 1-5 | .167 |
| 1992 | 3-4 | .429 |
| 1991 | 1-1 | .500 |
| 1990 | 0-2 | .000 |
| 1989 | 1-1 | .500 |
| 1988 | 2-2 | .500 |
| 1987 | 4-3 | .571 |
| 1986 | 2-2 | .500 |
| 1985 | 5-5 | .500 |
| 1984 | 5-3 | .625 |
| 1983 | 0-1 | .000 |
| Total | 175-211 | .453 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).