Players › Toyoichi Igarashi
Toyoichi Igarashi
| Player No. | 46 |
|---|---|
| Rank | 9-dan |
| Date of birth | Sep 27, 1924 |
| Birthplace | Hokkaido |
| Teacher | 関根金次郎13th Lifetime Meijin (deceased) |
Junisen terms40
Career record180W-237L
Win rate0.432
Deviation score (FY1987)32.5
Best deviation score54.4
FY1968
FY1968
Rating history and all games →
Junisen record
| Term | Class | Rank | Record | Up/down | Deviation |
|---|---|---|---|---|---|
| 46th term | Class C2 | 33 | 3W-7L | Demerit | 32.5 |
| 45th term | Class C2 | 36 | 4W-6L | 39.6 | |
| 44th term | Class C2 | 31 | 3W-7L | 34.8 | |
| 43rd term | Class C2 | 1 | 3W-7L | 40.2 | |
| 42nd term | Class C1 | 12 | 2W-8L | Relegated | 30.9 |
| 41st term | Class C1 | 19 | 5W-5L | △ | 41.2 |
| 40th term | Class C1 | 16 | 3W-7L | Demerit | 29.7 |
| 39th term | Class C1 | 10 | 3W-7L | 32.4 | |
| 38th term | Class C1 | 2 | 4W-6L | 38.0 | |
| 37th term | Class C1 | 9 | 7W-3L | 49.8 | |
| 36th term | Class C1 | 13 | 5W-5L | △→cleared | |
| 30th term | Class C1 | 15 | 5W-5L | △ | 36.2 |
| 29th term | Class C1 | 1 | 2W-8L | Demerit | 49.6 |
| 28th term | Class B2 | 9 | 1W-9L | Relegated | 32.3 |
| 27th term | Class B2 | 11 | 5W-5L | △ | 47.8 |
| 26th term | Class B2 | 12 | 3W-5L | △ | 39.4 |
| 25th term | Class B2 | 20 | 6W-6L | △ | 47.3 |
| 24th term | Class B2 | 8 | 4W-8L | Demerit | 36.6 |
| 23rd term | Class B2 | 15 | 7W-5L | △→cleared | 54.4 |
| 22nd term | Class B2 | 2 | 4W-8L | Demerit | 43.9 |
| 21st term | Class B1 | 5 | 2W-10L | Relegated | 41.3 |
| 20th term | Class B1 | 2 | 7W-6L | 53.9 | |
| 19th term | Class A | 8 | 1W-8L | Relegated | |
| 18th term | Class A | 10 | 3W-6L | ||
| 17th term | Class B1 | 5 | 9W-4L | Promoted | |
| 16th term | Class B1 | 11 | 6W-4L | ||
| 15th term | Class B1 | 7 | 4W-7L | ||
| 14th term | Class B1 | 1 | 5W-7L | ||
| 13th term | Class A | 4 | 1W-8L | Relegated | |
| 12th term | Class A | 3 | 5W-4L | ||
| 11th term | Class A | 6 | 6W-3L | ||
| 10th term | Class A | 10 | 5W-5L | ||
| 9th term | Class B1 | 7 | 9W-4L | Promoted | |
| 8th term | Class B1 | 6 | 6W-6L | ||
| 7th term | Class B1 | 6 | 6W-6L | ||
| 6th term | Class B | 4 | 7W-5L | ||
| 5th term | Class A | 6 | 1W-8L | Relegated | |
| 4th term | Class A | 7 | 3W-5L | ||
| 3rd term | Class B | 6W-1L | |||
| 2nd term | Class C・ East | 35 | 9W-3L | Class BPromoted |
How the deviation score is calculated: see here.
Terms in each class
| Class A | 8 terms |
|---|---|
| Class B1 | 9 terms |
| Class B2 | 7 terms |
| Class C1 | 9 terms |
| Class C2 | 4 terms |
Promotion history
| 1984 | 9-dan |
|---|---|
| 1949 | 8-dan |
| 1948 | 7-dan |
| 1947 | 4-dan |
| 1942 | 1-dan |
Career win milestones
| 100 wins | Sep 6, 1965 Junisen |
|---|---|
| 200 wins | Nov 13, 1975 Junisen |
| 300 wins | Apr 1, 1987 Kisei-sen |
Best wins (highest-rated opponents)
| Jul 11, 1968 | Hifumi Katoh 1848 | Kisei-sen |
| Nov 25, 1965 | Kozo Masuda 1803 | Oi-sen |
| Oct 21, 1971 | Nobuyuki Oouchi 1796 | Judan-sen |
| Nov 30, 1982 | Michio Takahashi 1766 | Junisen |
| Jan 19, 1965 | Kunio Naitou 1754 | 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.