Den Isei
Den Isei (田亦聖) has a rating of 1456.
Retired. The rating shown is the rating at retirement.
Den Isei田亦聖Nihon Ki-in
Rating1456
Rank—
1-year change—
Peak rating—
Last 3LossLossLoss0-3
- 1989 record
- 0-1
- Record since 1927
- 0-3
- Win rate
- .000
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 |
|---|---|---|---|
| February 9, 1989 | Katayama YasuoHoninbo 1st Preliminary as Black | Loss | ↓15 |
| December 1, 1988 | Hikosaka NaotoShinjin-O Round 1 as White | Loss | ↓13 |
| January 21, 1987 | Omori YasushiKisei 1 dan Section as White | Loss | ↓16 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Omori Yasushi | 0-1.000 | 0-0 | 0-1 |
| Hikosaka Naoto | 0-1.000 | 0-0 | 0-1 |
| Katayama Yasuo | 0-1.000 | 0-1 | 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 |
|---|---|---|
| 1989 | 0-1 | .000 |
| 1988 | 0-1 | .000 |
| 1987 | 0-1 | .000 |
| Total | 0-3 | .000 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).