Boxers / Yuki Koseki / Boxerbook rating

Yuki Koseki: Boxerbook rating

Yuki Koseki has a Boxerbook rating of 1488 ± 239 from 3 counted bouts, as of Oct 20, 2026. Not in a division list: inactive since Mar 2017 (no bout for 12 months).

Rating1488 ± 239
Placenot listed
Counted bouts3
Unknown opponents0 of 3
Schedule, career1659
Schedule, 36 monthsno bouts
Form, last 50.7 of 3.5
Data confidence100%
Statusinactive since Mar 2017

Rating over time

high 1712 · low 1488Sep 2016Mar 2017

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 0 of 3 bouts.

L
Miyo Yoshida
Mar 15, 2017 · MD 6/6 · weight ×0.90 · opponent 1588
−92
→ 1488
L
Tamao Ozawa
Dec 31, 2016 · UD 6/6 · weight ×0.90 · opponent 1714
−132
→ 1580
W
Miyo Yoshida
Sep 21, 2016 · UD 4/4 · weight ×0.80 · opponent 1676
+212
→ 1712

Publishers and Boxerbook

Consensus: no publisher lists for the division (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Yuki Koseki: record and titles