Matsumura Osamu
Matsumura Osamu (松村修) has a rating of 1402. Their highest rating so far is 1460 (December 11, 2015).
Retired. The rating shown is the rating at retirement.
- 2018 record
- 0-1
- Record since 1927
- 2-10
- Win rate
- .167
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 |
|---|---|---|---|
| November 1, 2018 | Hane YasumasaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓11 |
| December 15, 2017 | Miyagawa FumihikoKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓7 |
| November 2, 2017 | Nyu EikoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓13 |
| June 7, 2017 | Ishii ShinzoMeijin Preliminary B as White | Loss | ↓8 |
| December 15, 2016 | Miyagawa FumihikoKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓10 |
| November 26, 2016 | Goto ShungoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓8 |
| December 11, 2015 | Enda YoichiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓23 |
| July 14, 2005 | Ushikubo YoshitakaKisei Colors unknown | Loss | ↓16 |
| June 23, 2005 | Morikawa MitsuoKisei Colors unknown | Win | ↑17 |
| August 19, 2004 | Hayashi KozoKisei Colors unknown | Loss | ↓15 |
| July 22, 2004 | Ito KayokoKisei Colors unknown | Win | ↑16 |
| July 2, 2003 | Kamiji HirokiKisei Colors unknown | Loss | ↓19 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Miyagawa Fumihiko | 0-2.000 | 0-0 | 0-0 |
| Enda Yoichi | 0-1.000 | 0-0 | 0-0 |
| Morikawa Mitsuo | 1-01.000 | 0-0 | 0-0 |
| Hane Yasumasa | 0-1.000 | 0-0 | 0-0 |
| Nyu Eiko | 0-1.000 | 0-0 | 0-0 |
| Ishii Shinzo | 0-1.000 | 0-0 | 0-1 |
| Kamiji Hiroki | 0-1.000 | 0-0 | 0-0 |
| Hayashi Kozo | 0-1.000 | 0-0 | 0-0 |
| Goto Shungo | 0-1.000 | 0-0 | 0-0 |
| Ushikubo Yoshitaka | 0-1.000 | 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 |
|---|---|---|
| 2018 | 0-1 | .000 |
| 2017 | 0-3 | .000 |
| 2016 | 0-2 | .000 |
| 2015 | 0-1 | .000 |
| 2005 | 1-1 | .500 |
| 2004 | 1-1 | .500 |
| 2003 | 0-1 | .000 |
| Total | 2-10 | .167 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).