Boxers / Jack Zivic / Boxerbook rating

Jack Zivic: Boxerbook rating

Jack Zivic is inactive since Sep 1930, rated from 9 counted bouts. The last computed value is 1426, 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 Sep 1930 (no bout for 12 months).

Ratinginactive since Sep 1930

Placenot listed

Counted bouts9

Unknown opponents0 of 9

Schedule, career1623

Schedule, 36 monthsno bouts

Form, last 50.3 of 3.5

Data confidence0%

Statusinactive since Sep 1930

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 9 bouts.

Ruby Goldstein

Sep 10, 1930 · TKO 3/10 · weight ×1.05 · opponent 1719

−20
→ 1426

Jackie Fields

Jun 26, 1928 · TKO 7/10 · weight ×1.05 · opponent 1848

−14
→ 1446

Young Corbett III

Jun 18, 1928 · PTS 10/10 · weight ×1.05 · opponent 1577

−42
→ 1446

Tommy Freeman

Oct 25, 1926 · PTS 12/12 · weight ×1.10 · opponent 1561

+2
→ 1502