Nakaoka Jiro
Nakaoka Jiro (中岡二郎) has a rating of 1267.
Retired. The rating shown is the rating at retirement.
Nakaoka Jiro中岡二郎Nihon Ki-in
Rating1267
Rank—
1-year change—
Peak rating—
Last 10LossLossLossWinLossLossLossLossLossLoss66-141
- 2004 record
- 0-5
- Record since 1927
- 66-141
- Win rate
- .319
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 |
|---|---|---|---|
| April 29, 2004 | Mizuma ToshifumiTengen Colors unknown | Loss | ↓6 |
| April 15, 2004 | Inoue HatsueOza Colors unknown | Loss | ↓13 |
| April 8, 2004 | Kono YukioJudan Colors unknown | Loss | ↓12 |
| April 1, 2004 | Sugimoto AkiraMeijin Colors unknown | Loss | ↓4 |
| February 23, 2004 | Anzai NobuakiAgon Kiriyama Cup Colors unknown | Loss | ↓6 |
| December 11, 2003 | Shirae HaruhikoHoninbo Colors unknown | Loss | ↓17 |
| November 6, 2003 | Nakamura KunikoHoninbo Colors unknown | Win | ↑20 |
| July 31, 2003 | Oka NobumitsuOza 2nd Preliminary Round 1 Colors unknown | Loss | ↓12 |
| July 24, 2003 | Nakaonoda TomomiMeijin 2nd Preliminary Round 3 as Black | Loss | ↓3 |
| July 17, 2003 | Rin KanketsuKisei Colors unknown | Loss | ↓3 |
| June 19, 2003 | Oto ShozoGosei Colors unknown | Loss | ↓17 |
| June 2, 2003 | Sasaki TadashiRyusei Colors unknown | Loss | ↓10 |
| May 19, 2003 | Kono YukioRyusei Colors unknown | Win | ↑21 |
| May 19, 2003 | Nakamura KunikoRyusei Colors unknown | Win | ↑20 |
| April 30, 2003 | Chinen KaoriTengen Colors unknown | Loss | ↓12 |
| April 3, 2003 | Kaku KyushinJudan Colors unknown | Loss | ↓14 |
| March 27, 2003 | Matsubara TaiseiMeijin 2nd Preliminary Round 2 Colors unknown | Win | ↑26 |
| March 10, 2003 | Mitsunaga JunzoAgon Kiriyama Cup Colors unknown | Loss | ↓6 |
| February 20, 2003 | Kaku KyushinMeijin 2nd Preliminary Round 1 Colors unknown | Win | ↑22 |
| November 21, 2002 | Komatsu HidekiHoninbo 2nd Preliminary Round 2 Colors unknown | Loss | ↓2 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Kodama Kunio | 4-2.667 | 1-1 | 3-1 |
| Kageyama Toshiro | 3-3.500 | 2-2 | 1-1 |
| Kojima Takaho | 0-5.000 | 0-1 | 0-4 |
| Ito Tomoe | 2-3.400 | 1-1 | 1-2 |
| Sakakibara Shoji | 2-3.400 | 2-2 | 0-1 |
| Yamazaki Masuo | 5-01.000 | 1-0 | 4-0 |
| Takahashi Toshimitsu | 3-2.600 | 3-1 | 0-1 |
| Kudo Norio | 0-4.000 | 0-1 | 0-3 |
| Tozawa Akinobu | 2-2.500 | 1-1 | 1-1 |
| Tanaka Minaichi | 1-3.250 | 1-1 | 0-2 |
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 |
|---|---|---|
| 2004 | 0-5 | .000 |
| 2003 | 5-9 | .357 |
| 2002 | 3-8 | .273 |
| 1999 | 0-1 | .000 |
| 1993 | 0-1 | .000 |
| 1992 | 0-1 | .000 |
| 1990 | 0-2 | .000 |
| 1985 | 0-1 | .000 |
| 1982 | 0-1 | .000 |
| 1980 | 1-1 | .500 |
| 1978 | 0-3 | .000 |
| 1977 | 1-0 | 1.000 |
| 1976 | 1-3 | .250 |
| 1975 | 3-5 | .375 |
| 1974 | 2-8 | .200 |
| 1973 | 0-6 | .000 |
| 1972 | 6-7 | .462 |
| 1971 | 2-7 | .222 |
| 1970 | 0-9 | .000 |
| 1969 | 3-5 | .375 |
| 1968 | 2-2 | .500 |
| 1967 | 4-8 | .333 |
| 1966 | 7-6 | .538 |
| 1965 | 8-9 | .471 |
| 1964 | 6-7 | .462 |
| 1963 | 4-7 | .364 |
| 1962 | 2-6 | .250 |
| 1961 | 2-7 | .222 |
| 1960 | 4-6 | .400 |
| Total | 66-141 | .319 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).