Boxers / Kōzō Ishii / Boxerbook rating
Kōzō Ishii: Boxerbook rating Kōzō Ishii has a Boxerbook rating of 1716 ± 215 from 35 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Sep 2003 (no bout for 12 months).
Rating 1716 ± 215
Place not listed
Counted bouts 35
Unknown opponents 30 of 35
Schedule, career 1190
Schedule, 36 months no bouts
Form, last 5 2.5 of 3.5
Data confidence 11%
Status inactive since Sep 2003
Rating over time high 1781 · low 1566 Jul 1995 Aug 2004 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: 30 of 35 bouts.
L
For WBC super bantamweight title Sep 7, 2003 · TKO 2/12 · weight ×1.65 · opponent 1990
W
Apr 27, 2003 · UD 10/10 · weight ×1.05 · opponent 1358
W
Wirachai Chuwatana (no page: counted as 1100)
Dec 12, 2002 · KO 2 · weight ×1.00
W
Wichit Chuwatana (no page: counted as 1100)
Oct 14, 2002 · UD 10/10 · weight ×1.05
W
Samuel Bentura (no page: counted as 1100)
Jun 9, 2002 · KO 1 · weight ×1.00
W
Kyong-chol Park (no page: counted as 1100)
Mar 16, 2002 · KO 5 · weight ×1.00
W
Saohin Siritaikhondo (no page: counted as 1100)
Nov 25, 2001 · UD 10/10 · weight ×1.05
W
Frankie Mamuaya (no page: counted as 1100)
Aug 1, 2001 · KO 6 · weight ×1.00
W
Suksawadi Katchaiyon (no page: counted as 1100)
Apr 22, 2001 · KO 2 · weight ×1.00
L
For vacant WBA interim super bantamweight title Nov 23, 2000 · TKO 11/12 · weight ×1.32 · opponent 1787
W
Hino Catdooboubon (no page: counted as 1100)
Jul 1, 2000 · TKO 10 · weight ×1.00
W
Jorge Morúa (no page: counted as 1100)
Mar 12, 2000 · KO 1 · weight ×1.00
L
For WBA super-bantamweight title Nov 21, 1999 · TKO 12/12 · weight ×1.65 · opponent 2019
W
Dino Olivetti (no page: counted as 1100)
Won OPBF super bantamweight title Aug 8, 1999 · TKO 1 · weight ×1.05
W
Tony Bernales (no page: counted as 1100)
May 4, 1999 · UD 10/10 · weight ×1.05
W
Shin Palman (no page: counted as 1100)
Mar 23, 1999 · TKO 2 · weight ×1.00
W
Jake Kalte (no page: counted as 1100)
Dec 23, 1998 · KO 4 · weight ×1.00
W
Yang-gun Chon (no page: counted as 1100)
Oct 25, 1998 · TKO 3 · weight ×1.00
W
Bimboy Riego (no page: counted as 1100)
Aug 21, 1998 · KO 3 · weight ×1.00
W
Yeon-hun Lee (no page: counted as 1100)
Jun 9, 1998 · UD 10/10 · weight ×1.05
Show all 35 counted bouts W
O Jang-gyu (no page: counted as 1100)
Mar 22, 1998 · KO 5 · weight ×1.00
W
Hong Seong-pyeo (no page: counted as 1100)
Jan 31, 1998 · TKO 6 · weight ×1.00
W
An Yong-jin (no page: counted as 1100)
Nov 20, 1997 · TKO 1 · weight ×1.00
W
Joel Funio (no page: counted as 1100)
Jul 19, 1997 · TKO 3 · weight ×1.00
W
Fanieto Boy Kuma (no page: counted as 1100)
Jun 7, 1997 · KO 1 · weight ×1.00
W
Koichi Horie (no page: counted as 1100)
Apr 20, 1997 · UD 8/8 · weight ×1.00
W
Fumiteru Ujibashi (no page: counted as 1100)
Feb 8, 1997 · TKO 3 · weight ×1.00
L
Nov 2, 1996 · SD 6/6 · weight ×0.90 · opponent 1500
W
Yoshihisa Nakayama (no page: counted as 1100)
Aug 31, 1996 · UD 6/6 · weight ×0.90
W
Tomoyuki Mizuno (no page: counted as 1100)
Aug 4, 1996 · UD 4/4 · weight ×0.80
W
Atsushi Tasaku (no page: counted as 1100)
Jun 1, 1996 · KO 2 · weight ×1.00
W
Osamu Oura (no page: counted as 1100)
Feb 11, 1996 · DEC 4/4 · weight ×0.80
W
Yuichi Ogawa (no page: counted as 1100)
Dec 16, 1995 · UD 4/4 · weight ×0.80
W
Atsushi Koga (no page: counted as 1100)
Nov 12, 1995 · TKO 1 · weight ×1.00
W
Takao Okada (no page: counted as 1100)
Jul 15, 1995 · KO 2 · weight ×1.00
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Kōzō Ishii: record and titles