Title Match Appearances: 91 |
| Career Highlights | |
| 1947 September 2nd | Born Miyagi province |
| 1957 | Master: Toshio Takayanagi honorary 9-dan |
|---|---|
| 1961 | Shodan |
| 1965 | 4-dan
Pro debut |
| 1966 | 5-dan |
| 1967 | 6-dan
11th Kisei Match: Nakahara 2 - Yamada 3 |
| 1968 | 7-dan
12th Kisei Match: Nakahara 3 - Yamada 1 |
| 1970 | 8-dan |
| 1971 | 18th Kisei Match: Nakahara 3 - Oyama 1
Eisei Kisei |
| 1972 | 31st Meijin Match: Nakahara 4 - Oyama 3
Becomes Youngest Meijin ever (Age: 24) |
| 1974 | 9-dan |
| 1976 | 35th Meijin Match: Nakahara 4 - Yonenaga 3
16th Lifetime Meijin (post-retirement) |
| 1978 | 31st Kisei Match: Nakahara 3 - Oyama 2
5 Crown holder |
| 1982 | 40th Meijin Match: Nakahara 3 - Kato 4
Eisei Judan |
| 1985 | 43rd Meijin Match: Nakahara 4 - Tanigawa 2 |
| 1988 | 46th Meijin Match: Nakahara 2 - Tanigawa 4 |
| 1990 | 48th Meijin Match: Nakahara 4 - Tanigawa 2 |
| 1992 | 1000th career victory |
| 1993 | 51st Meijin Match: Nakahara 0 - Yonenaga 4 |
| 1997 | Wins 5th Tatsujin Tournament |
Source: Shogi Yearbook 1997, 1998
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