Players › Kozo Masuda
Kozo Masuda
| Player No. | 18 |
|---|---|
| Rank | 9-dan |
| Date of birth | Mar 21, 1918 |
| Birthplace | Hiroshima |
| Teacher | 木見金治郎9-dan (deceased) |
Junisen terms22
Career record152W-55L
Win rate0.734
Deviation score (FY1974)59.9
Best deviation score69.1
FY1967
FY1967
Rating history and all games →
Junisen record
| Term | Class | Rank | Record | Up/down | Deviation |
|---|---|---|---|---|---|
| 30th term | Class A | 3 | 4W-5L | ||
| 29th term | Class A | 7W-3L | 59.9 | ||
| 26th term | Class A | 1 | 5W-3L | 55.8 | |
| 25th term | Class A | 3 | 6W-2L | Challenger | 65.5 |
| 24th term | Class A | 2 | 5W-3L | 57.7 | |
| 23rd term | Class A | 1 | 7W-3L | 61.7 | |
| 22nd term | Class A | 7W-2L | Challenger | 69.1 | |
| 20th term | Class A | 3 | 7W-2L | Challenger | 66.1 |
| 19th term | Class A | 2 | 6W-3L | 68.1 | |
| 18th term | Class A | 1 | 6W-3L | ||
| 17th term | Class A | 2 | 8W-2L | Challenger | |
| 16th term | Class A | 6W-3L | |||
| 11th term | Class A | 2 | 7W-2L | Challenger | |
| 10th term | Class A | 8W-2L | |||
| 8th term | Class A | 1 | 7W-3L | Challenger | |
| 7th term | Class A | 1 | 6W-2L | Challenger | |
| 6th term | Class A | 1 | 6W-2L | ||
| 5th term | Class A | 2 | 8W-1L | Challenger | |
| 4th term | Class A | 3 | 6W-2L | ||
| 3rd term | Class A | 1 | 6W-3L | ||
| 2nd term | Class A | 7 | 12W-2L | ||
| 1st term | Class B | 1 | 12W-2L | Promoted |
How the deviation score is calculated: see here.
Titles won
| Meijin-sen | 2 terms (16th and 17th terms) |
|---|---|
| Osho-sen | 3 terms (terms 1, 5, 6) |
Ryuo-sen and Eio-sen from 2007 only; others are all-time records.
Terms in each class
| Class A | 23 terms (incl. 2 terms as Meijin) |
|---|
Promotion history
| 1958 | 9-dan |
|---|---|
| 1947 | 8-dan |
Career win milestones
| 100 wins | Oct 20, 1964 Junisen |
|---|---|
| 200 wins | Mar 12, 1970 Junisen |
Best wins (highest-rated opponents)
| Apr 20, 1971 | Yasuharu Ooyama 1946 | Meijin-sen |
| Feb 14, 1975 | Yasuharu Ooyama 1925 | Junisen |
| Apr 30, 1971 | Yasuharu Ooyama 1920 | Meijin-sen |
| Oct 5, 1967 | 山田道美 1920 | Judan-sen |
| Apr 24, 1969 | Makoto Nakahara 1917 | Judan-sen |
Career wins and ratings are counted from the games recorded on this site (official games from FY1964, and Junisen games before that) and may differ from official records.