Boxers / Jirō Kumagai / Boxerbook rating

Jirō Kumagai: Boxerbook rating

Jirō Kumagai is inactive since Jul 1932, rated from 4 counted bouts. The last computed value is 1517, but after so long without a bout its uncertainty has reached the cap of ± 350, so the number says little until the next bout. Not in a division list: inactive since Jul 1932 (no bout for 12 months).

Ratinginactive since Jul 1932

Placenot listed

Counted bouts4

Unknown opponents0 of 4

Schedule, career1633

Schedule, 36 monthsno bouts

Form, last 51.2 of 3.5

Data confidence0%

Statusinactive since Jul 1932

Rating over time

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 4 bouts.

Kintaro Usuda

Jul 20, 1932 · DEC · weight ×1.00 · opponent 1619

+31
→ 1517

Kintaro Usuda

Apr 15, 1932 · DEC · weight ×1.00 · opponent 1532

−144
→ 1486

Kintaro Usuda

Feb 15, 1932 · DEC 8/8 · weight ×1.00 · opponent 1649

+213
→ 1630

Barney Ross

Feb 24, 1930 · PTS 4/4 · weight ×0.80 · opponent 1734

−82
→ 1418