Okatani Mitsuo
Okatani Mitsuo (岡谷三男) has a rating of 1451.
Retired. The rating shown is the rating at retirement.
Okatani Mitsuo岡谷三男Nihon Ki-in
Rating1451
Rank—
1-year change—
Peak rating—
Last 3LossLossLoss0-3
- 1969 record
- 0-1
- Record since 1927
- 0-3
- Win rate
- .000
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
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| June 26, 1969 | Sakai ToshioJudan 2nd Preliminary as White | Loss | ↓22 |
| August 10, 1967 | Hamajima HisayoshiOza 2nd Preliminary as White | Loss | ↓19 |
| July 8, 1964 | Hane YasumasaOza 2nd Preliminary as White | Loss | ↓8 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Hane Yasumasa | 0-1.000 | 0-0 | 0-1 |
| Hamajima Hisayoshi | 0-1.000 | 0-0 | 0-1 |
| Sakai Toshio | 0-1.000 | 0-0 | 0-1 |
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.
| Year | Record | Win rate |
|---|---|---|
| 1969 | 0-1 | .000 |
| 1967 | 0-1 | .000 |
| 1964 | 0-1 | .000 |
| Total | 0-3 | .000 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).