Boxers / Kai Chiba / Boxerbook rating

Kai Chiba: Boxerbook rating

Kai Chiba has a Boxerbook rating of 1637 ± 150 from 19 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Mar 2023 (no bout for 12 months).

Rating1637 ± 150
Placenot listed
Counted bouts19
Unknown opponents13 of 19
Schedule, career1272
Schedule, 36 monthsno bouts
Form, last 51.6 of 3.5
Data confidence26%
Statusinactive since Mar 2023

Rating over time

high 1755 · low 1550Dec 2015Feb 2024

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: 13 of 19 bouts.

L
Keita Kurihara
Lost OPBF title
Mar 4, 2023 · TKO 2/12 · weight ×1.16 · opponent 1582
−74
→ 1637
W
Keita Kurihara
OPBF bantamweight title
Sep 22, 2022 · TKO 12/12 · weight ×1.16 · opponent 1622
+56
→ 1712
W
Takashi Tsuruumi (no page: counted as 1100)
May 20, 2022 · UD 8/8 · weight ×1.00
+10
→ 1655
L
Suzumi Takayama
Oct 30, 2021 · UD 8/8 · weight ×1.00 · opponent 1837
−36
→ 1646
L
Kazuki Nakajima
Vacant OPBF bantamweight title
May 21, 2021 · UD 12/12 · weight ×1.16 · opponent 1753
−73
→ 1682
W
Haruki Ishikawa
Dec 26, 2020 · UD 8/8 · weight ×1.00 · opponent 1388
+25
→ 1755
W
George Lemolly (no page: counted as 1100)
Nov 2, 2019 · TKO 2/8 · weight ×1.00
+11
→ 1730
W
Matcha Nakagawa
May 10, 2019 · UD 8/8 · weight ×1.00 · opponent 1687
+100
→ 1719
W
Min-jung Jung (no page: counted as 1100)
Dec 15, 2018 · UD 6/6 · weight ×0.90
+18
→ 1619
W
Phufa Por Nob Noi (no page: counted as 1100)
Aug 22, 2018 · TKO 6 · weight ×1.00
+23
→ 1601
W
Keisuke Tabuchi (no page: counted as 1100)
May 11, 2018 · SD 8/8 · weight ×1.00
+27
→ 1578
L
Bryan Robertaña (no page: counted as 1100)
Jan 20, 2018 · TKO 4/8 · weight ×1.00
−184
→ 1550
W
Ryo Matsubara (no page: counted as 1100)
Oct 7, 2017 · TKO 5/8 · weight ×1.00
+18
→ 1734
W
Ikuo Sadatsune (no page: counted as 1100)
Aug 5, 2017 · UD 6/6 · weight ×0.90
+18
→ 1716
W
Runnirun Saithonggym (no page: counted as 1100)
May 20, 2017 · TKO 3/6 · weight ×1.00
+23
→ 1698
W
Saichon Or Uangswan (no page: counted as 1100)
Feb 22, 2017 · TKO 4 · weight ×1.00
+28
→ 1674
W
Dong-uk Seo (no page: counted as 1100)
Nov 21, 2016 · TKO 1/4 · weight ×1.00
+35
→ 1646
W
Rusli Yanto (no page: counted as 1100)
Jun 4, 2016 · TKO 1/4 · weight ×1.00
+46
→ 1611
W
Miku Imagawa (no page: counted as 1100)
Dec 5, 2015 · TKO 3/4 · weight ×1.00
+66
→ 1566

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 · Kai Chiba: record and titles