Morikawa Masao
Morikawa Masao (森川正夫) has a rating of 1171. Their highest rating so far is 1185 (February 20, 2006).
Retired. The rating shown is the rating at retirement.
- 2006 record
- 0-4
- Record since 1927
- 6-50
- Win rate
- .107
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 |
|---|---|---|---|
| June 16, 2006 | Iguchi ToyohideOza Colors unknown | Loss | ↓2 |
| March 16, 2006 | Obuchi MoritoGosei Colors unknown | Loss | ↓2 |
| February 23, 2006 | Sugiuchi KazukoTengen Colors unknown | Loss | ↓10 |
| February 20, 2006 | Tahara YasufumiAgon Kiriyama Cup Colors unknown | Loss | ↓5 |
| October 27, 2005 | Ishibashi ChinamiMeijin Colors unknown | Loss | ↓13 |
| September 8, 2005 | Aragaki TakeshiHoninbo Colors unknown | Loss | ↓4 |
| June 23, 2005 | Takabayashi TakujiKisei Colors unknown | Loss | ↓6 |
| May 26, 2005 | Kurotaki MasanoriJudan Colors unknown | Loss | ↓3 |
| May 16, 2005 | Takanashi SeikenRyusei Colors unknown | Loss | ↓2 |
| April 14, 2005 | Shibusawa MachikoJudan Colors unknown | Win | ↑21 |
| March 31, 2005 | Takano HidekiGosei Colors unknown | Loss | ↓2 |
| March 3, 2005 | Hagiya KazuhiroJudan Colors unknown | Win | ↑24 |
| February 21, 2005 | Kobayashi IzumiAgon Kiriyama Cup Colors unknown | Loss | ↓2 |
| January 20, 2005 | Ezura YuichiTengen Colors unknown | Loss | ↓8 |
| November 4, 2004 | Yashiro KumikoMeijin Colors unknown | Loss | ↓4 |
| September 9, 2004 | Konagai MasaruHoninbo Colors unknown | Loss | ↓6 |
| June 24, 2004 | Kato TomokoKisei Colors unknown | Loss | ↓7 |
| May 27, 2004 | Cho ShoenGosei Colors unknown | Loss | ↓10 |
| May 17, 2004 | Fukui MasaakiRyusei Colors unknown | Loss | ↓4 |
| April 15, 2004 | Shoji KazukoOza Colors unknown | Loss | ↓16 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Yamamoto Masato | 0-2.000 | 0-0 | 0-0 |
| Chino Tadahiko | 0-2.000 | 0-0 | 0-0 |
| Ohashi Hirofumi | 0-2.000 | 0-0 | 0-0 |
| Takamizawa Tadao | 0-2.000 | 0-0 | 0-0 |
| Rin Shien | 0-1.000 | 0-0 | 0-0 |
| Takano Hideki | 0-1.000 | 0-0 | 0-0 |
| Ozaki Harumi | 0-1.000 | 0-0 | 0-1 |
| Kurotaki Masanori | 0-1.000 | 0-0 | 0-0 |
| Segawa Yoshio | 1-01.000 | 0-0 | 1-0 |
| Suzuki Isao | 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 |
|---|---|---|
| 2006 | 0-4 | .000 |
| 2005 | 2-8 | .200 |
| 2004 | 0-9 | .000 |
| 2003 | 1-11 | .083 |
| 2002 | 0-7 | .000 |
| 1997 | 0-1 | .000 |
| 1992 | 0-1 | .000 |
| 1984 | 0-1 | .000 |
| 1980 | 0-1 | .000 |
| 1978 | 0-1 | .000 |
| 1969 | 0-1 | .000 |
| 1964 | 1-1 | .500 |
| 1963 | 1-2 | .333 |
| 1961 | 1-1 | .500 |
| 1960 | 0-1 | .000 |
| Total | 6-50 | .107 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).