Hasegawa Akira
Hasegawa Akira (長谷川章) has a rating of 1550.
Retired. The rating shown is the rating at retirement.
Hasegawa Akira8 dan長谷川章Nihon Ki-in
Rating1550
Rank—
1-year change—
Peak rating—
Last 10LossWinLossLossWinLossLossLossWinLoss62-64
- 1965 record
- 2-6
- Record since 1927
- 62-64
- Win rate
- .492
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 |
|---|---|---|---|
| May 19, 1965 | Sakai MichiharuHoninbo 2nd Preliminary as White | Loss | ↓19 |
| May 13, 1965 | Sanno HirotakaHoninbo 2nd Preliminary as White | Win | ↑14 |
| April 15, 1965 | Fujisawa HosaiNihon Ki-in Championship Round 1 as Black | Loss | ↓8 |
| March 18, 1965 | Nakagawa ShinjiPrime Minister's Cup Round 2 as Black | Loss | ↓15 |
| March 11, 1965 | Okubo IchigenTokyo Shimbun Cup Round 1 as Black | Loss | ↓12 |
| January 21, 1965 | Murashima YoshinoriNihon Ki-in Championship 2nd Preliminary as White | Win | ↑11 |
| January 14, 1965 | Ohira ShuzoNihon Ki-in First Place Tournament Round 1 as Black | Loss | ↓11 |
| January 7, 1965 | Sugiuchi KazukoFormer Meijin 2nd Preliminary as Black | Loss | ↓26 |
| December 23, 1964 | Kuroda YukioPrime Minister's Cup Round 1 as White | Win | ↑9 |
| December 19, 1964 | Shimamura ToshihiroTokyo Shimbun Cup Round 4 as White | Loss | ↓13 |
| December 3, 1964 | Otake HideoTokyo Shimbun Cup Round 3 as Black | Win | ↑21 |
| November 12, 1964 | Hayashi YutaroNihon Ki-in Championship 2nd Preliminary as White | Win | ↑17 |
| November 5, 1964 | Hoshino ToshiOza 2nd Preliminary as Black | Loss | ↓19 |
| October 15, 1964 | Kudo NorioJudan 2nd Preliminary as White | Loss | ↓17 |
| October 8, 1964 | Iwata TatsuakiTokyo Shimbun Cup Round 2 as Black | Win | ↑17 |
| October 1, 1964 | Oeda YusukeOza 2nd Preliminary as White | Win | ↑9 |
| September 10, 1964 | Abe YoshiteruJudan 2nd Preliminary as White | Win | ↑14 |
| September 3, 1964 | Suzuki GoroOza 2nd Preliminary as White | Win | ↑13 |
| August 6, 1964 | Murashima YoshinoriJudan 2nd Preliminary as Black | Win | ↑10 |
| July 30, 1964 | Tanimiya TeijiPro Best Ten 2nd Preliminary as Black | Loss | ↓20 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Kitani Minoru | 1-4.200 | 0-4 | 1-0 |
| Fujisawa Hosai | 1-4.200 | 1-2 | 0-2 |
| Takagawa Kaku | 2-3.400 | 1-1 | 1-2 |
| Sakata Eio | 1-3.250 | 0-2 | 1-1 |
| Fujisawa Shuko | 1-3.250 | 0-1 | 1-2 |
| Miwa Yoshiro | 3-1.750 | 1-1 | 2-0 |
| Takagawa Shukaku | 2-2.500 | 0-2 | 2-0 |
| Nakamura Yutaro | 1-2.333 | 1-2 | 0-0 |
| Magari Reiki | 2-1.667 | 2-1 | 0-0 |
| Suzuki Masaharu | 3-01.000 | 3-0 | 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 |
|---|---|---|
| 1965 | 2-6 | .250 |
| 1964 | 13-7 | .650 |
| 1963 | 12-8 | .600 |
| 1962 | 7-8 | .467 |
| 1961 | 6-6 | .500 |
| 1960 | 7-7 | .500 |
| 1959 | 1-0 | 1.000 |
| 1958 | 1-0 | 1.000 |
| 1957 | 0-1 | .000 |
| 1955 | 2-6 | .250 |
| 1954 | 2-0 | 1.000 |
| 1953 | 0-1 | .000 |
| 1952 | 1-4 | .200 |
| 1951 | 0-1 | .000 |
| 1950 | 5-5 | .500 |
| 1949 | 2-2 | .500 |
| 1944 | 1-1 | .500 |
| 1941 | 0-1 | .000 |
| Total | 62-64 | .492 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).