Boxers / Koichi Wajima / Boxerbook rating

Koichi Wajima: Boxerbook rating

Koichi Wajima has a Boxerbook rating of 1792 ± 272 from 38 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jun 1977 (no bout for 12 months).

Rating1792 ± 272
Placenot listed
Counted bouts38
Unknown opponents19 of 38
Schedule, career1373
Schedule, 36 monthsno bouts
Form, last 51.1 of 3.5
Data confidence26%
Statusinactive since Jun 1977

Rating over time

high 1951 · low 1556Jun 1968May 1978

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: 19 of 38 bouts.

L
For WBA and The Ring junior-middleweight titles
Jun 7, 1977 · TKO 11/15 · weight ×1.65 · opponent 1669
L
For WBA and The Ring junior middleweight titles
May 18, 1976 · KO 14/15 · weight ×1.65 · opponent 1752
W
Won WBA and The Ring light-middleweight titles
Feb 17, 1976 · KO 15/15 · weight ×1.65 · opponent 1955
L
Lost WBA and The Ring light-middleweight titles
Jun 7, 1975 · KO 7/15 · weight ×1.65 · opponent 1862
W
Won WBA, WBC, and The Ring junior middleweight titles
Jan 21, 1975 · UD 15/15 · weight ×1.65 · opponent 1765
L
For WBA, WBC, and inaugural The Ring junior middleweight title
Jun 4, 1974 · KO 15/15 · weight ×1.65 · opponent 1654
W
For WBA, WBC & The Ring light middleweight titles
Feb 5, 1974 · MD 15/15 · weight ×1.65 · opponent 1919
W
Retained WBA and WBC light-middleweight titles
Aug 14, 1973 · RTD 12/15 · weight ×1.65 · opponent 1747
W
Retained WBA and WBC light-middleweight titles
Apr 19, 1973 · MD 15/15 · weight ×1.65 · opponent 1500
D
For WBA, WBC & The Ring light middleweight titles
Jan 9, 1973 · MD 15/15 · weight ×1.65 · opponent 1922
W
Matt Donovan (no page: counted as 1100)
Retained WBA and WBC light-middleweight titles
Oct 3, 1972 · KO 3/15 · weight ×1.65
W
Retained WBA and WBC light-middleweight titles
May 7, 1972 · KO 1/15 · weight ×1.65 · opponent 1273
W
Feb 2, 1972 · KO 7/12 · weight ×1.10 · opponent 1381
W
Won WBA and WBC light-middleweight titles
Oct 31, 1971 · SD 15/15 · weight ×1.65 · opponent 1687
W
Tetsuo Hoshino (no page: counted as 1100)
Retained Japanese light-middleweight title
May 28, 1971 · KO 2/10 · weight ×1.10
W
Alfredo Fuentes (no page: counted as 1100)
Mar 26, 1971 · KO 1/10 · weight ×1.05
W
Hideo Kanazawa (no page: counted as 1100)
Feb 18, 1971 · KO 2/10 · weight ×1.05
W
Retained Japanese light-middleweight title
Jan 8, 1971 · KO 7/10 · weight ×1.10 · opponent 1646
W
Retained Japanese light-middleweight title
Oct 30, 1970 · KO 3/10 · weight ×1.10 · opponent 1500
W
Tetsuo Hoshino (no page: counted as 1100)
Retained Japanese light-middleweight title
Sep 10, 1970 · KO 5/10 · weight ×1.10
Show all 38 counted bouts
W
Muneo Mizoguchi (no page: counted as 1100)
Retained Japanese light-middleweight title
Aug 9, 1970 · KO 8/10 · weight ×1.10
W
Ken Sato (no page: counted as 1100)
May 23, 1970 · KO 3/10 · weight ×1.05
W
Retained Japanese light-middleweight title
Apr 9, 1970 · SD 10/10 · weight ×1.10 · opponent 1651
L
For Japanese light-middleweight title
Feb 5, 1970 · UD 10/10 · weight ×1.10 · opponent 1389
−105
→ 1556
W
Retained Japanese light-middleweight title
Dec 18, 1969 · KO 7/10 · weight ×1.10 · opponent 1500
L
Oct 30, 1969 · KO 1/10 · weight ×1.05 · opponent 1487
−178
→ 1606
W
Noriyasu Yoshimura (no page: counted as 1100)
Won Japanese light-middleweight title
Sep 4, 1969 · KO 4/10 · weight ×1.10
W
Rocky Alarde (no page: counted as 1100)
Jul 30, 1969 · KO 8/10 · weight ×1.05
W
Alacran Kusanagi (no page: counted as 1100)
Jun 16, 1969 · KO 9/10 · weight ×1.05
W
Takemi Kato (no page: counted as 1100)
Mar 27, 1969 · KO 6/8 · weight ×1.00
W
Masaki Nomoto (no page: counted as 1100)
Feb 3, 1969 · PTS 6/6 · weight ×0.90
W
Masami Takechi (no page: counted as 1100)
Dec 30, 1968 · RTD 4/6 · weight ×0.90
W
Sozo Yamamoto (no page: counted as 1100)
Oct 27, 1968 · KO 1/4 · weight ×0.80
W
Takao Higa (no page: counted as 1100)
Oct 6, 1968 · KO 3/4 · weight ×0.80
W
Tadakazu Sakai (no page: counted as 1100)
Aug 31, 1968 · KO 2/4 · weight ×0.80
W
Toshiaki Kaneko (no page: counted as 1100)
Aug 8, 1968 · KO 3/4 · weight ×0.80
W
Koji Watanabe (no page: counted as 1100)
Jun 30, 1968 · KO 2/4 · weight ×0.80
W
Akira Takekawa (no page: counted as 1100)
Jun 15, 1968 · KO 1/4 · weight ×0.80

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 · Koichi Wajima: record and titles