Boxers / Philadelphia Jack O'Brien / Boxerbook rating
Philadelphia Jack O'Brien: Boxerbook rating Philadelphia Jack O'Brien is inactive since Aug 1911, rated from 179 counted bouts. The last computed value is 1650, 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 Aug 1911 (no bout for 12 months).
Rating inactive since Aug 1911
Place not listed
Counted bouts 179
Unknown opponents 135 of 179
Schedule, career 1224
Schedule, 36 months no bouts
Form, last 5 0.6 of 3.5
Data confidence 13%
Status inactive since Aug 1911
Rating over time high 1795 · low 1129 Dec 1896 Mar 1912 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: 135 of 179 bouts.
L
Aug 15, 1911 · TKO 5/10 · weight ×1.05 · opponent 1764
L
Harry Ramsey (no page: counted as 1100)
Nov 27, 1910 · 6 · weight ×1.00
L
Ben Koch (no page: counted as 1100)
Jun 17, 1910 · 6 · weight ×1.00
W
Mike Schreck (no page: counted as 1100)
May 2, 1910 · 10 · weight ×1.00
L
Apr 21, 1910 · 6 · weight ×1.00 · opponent 1776
L
Jan 19, 1910 · 6 · weight ×1.00 · opponent 1688
W
Charley Stevenson (no page: counted as 1100)
Nov 29, 1909 · 6 · weight ×1.00
W
Jul 30, 1909 · 6 · weight ×1.00 · opponent 1490
L
Jun 9, 1909 · TKO 3/6 · weight ×0.90 · opponent 1767
D
World heavyweight title at stake May 19, 1909 · NWS 6 · weight ×1.05 · opponent 1849
L
Mar 26, 1909 · 10 · weight ×1.00 · opponent 1738
W
Fred Cooley (no page: counted as 1100)
Jan 4, 1909 · PTS 2/2 · weight ×0.80
W
George Cole (no page: counted as 1100)
Nov 9, 1908 · 6 · weight ×1.00
W
Tom Lenihan (no page: counted as 1100)
Sep 25, 1908 · TKO 4/6 · weight ×0.90
W
Larry Temple (no page: counted as 1100)
Sep 7, 1908 · 6 · weight ×1.00
W
Jack Rush (no page: counted as 1100)
Aug 29, 1908 · KO 7 · weight ×1.00
W
Jun 10, 1908 · 6 · weight ×1.00 · opponent 1652
W
Jack Bonner (no page: counted as 1100)
Mar 2, 1908 · 6 · weight ×1.00
D
Bob Ward (no page: counted as 1100)
Feb 11, 1908 · PTS 10/10 · weight ×1.05
W
Bill Heveron (no page: counted as 1100)
Dec 13, 1907 · KO 1/6 · weight ×0.90
Show all 179 counted bouts L
For world heavyweight title May 8, 1907 · PTS 20/20 · weight ×1.16 · opponent 1692
W
Abdul 'The Turk' Malgan (no page: counted as 1100)
Feb 22, 1907 · DQ 5/6 · weight ×0.90
D
For world heavyweight title Nov 28, 1906 · PTS 20/20 · weight ×1.16 · opponent 1682
W
Fred Cooley (no page: counted as 1100)
Oct 16, 1906 · KO 3/10 · weight ×1.05
W
Ted Beecham (no page: counted as 1100)
Aug 20, 1906 · KO 2 · weight ×1.00
D
Jul 16, 1906 · 6 · weight ×1.00 · opponent 1800
W
Won world light-heavyweight title Dec 20, 1905 · RTD 13/20 · weight ×1.16 · opponent 1805
W
Oct 27, 1905 · KO 17/20 · weight ×1.10 · opponent 1500
W
Bill Bates (no page: counted as 1100)
Sep 9, 1905 · DQ 6 · weight ×1.00
W
Bill Bates (no page: counted as 1100)
Aug 31, 1905 · PTS 10/10 · weight ×1.05
D
Jul 4, 1905 · PTS 20/20 · weight ×1.10 · opponent 1385
L
Lost world middleweight title claim Apr 25, 1905 · PTS 10/10 · weight ×1.10 · opponent 1580
W
Retained world middleweight title claim Apr 7, 1905 · PTS 10/10 · weight ×1.10 · opponent 1450
W
Retained world middleweight title claim Mar 24, 1905 · DQ 2/15 · weight ×1.16 · opponent 1455
W
John Willie (no page: counted as 1100)
Feb 1, 1905 · 6 · weight ×1.00
W
Morris Harris (no page: counted as 1100)
Dec 19, 1904 · 6 · weight ×1.00
W
Larry Temple (no page: counted as 1100)
Dec 10, 1904 · 6 · weight ×1.00
W
Black Bill (no page: counted as 1100)
Nov 18, 1904 · 6 · weight ×1.00
W
Nov 12, 1904 · 6 · weight ×1.00 · opponent 1421
W
John Willie (no page: counted as 1100)
Nov 9, 1904 · 6 · weight ×1.00
W
Jim Jeffords (no page: counted as 1100)
Oct 21, 1904 · KO 3/15 · weight ×1.10
W
Oct 7, 1904 · 6 · weight ×1.00 · opponent 1679
W
Sep 29, 1904 · KO 1/6 · weight ×0.90 · opponent 1333
W
Billy Stift (no page: counted as 1100)
Sep 23, 1904 · KO 2/15 · weight ×1.10
W
Sep 13, 1904 · 6 · weight ×1.00 · opponent 1630
L
Jul 23, 1904 · 6 · weight ×1.00 · opponent 1774
W
George Cole (no page: counted as 1100)
May 25, 1904 · 6 · weight ×1.00
D
May 14, 1904 · 6 · weight ×1.00 · opponent 1720
W
Kid Carter (no page: counted as 1100)
Apr 26, 1904 · TKO 3 · weight ×1.00
W
Retained world middleweight title claim Apr 14, 1904 · KO 3/20 · weight ×1.16 · opponent 1361
W
Mar 18, 1904 · PTS 6/6 · weight ×0.90 · opponent 1701
W
Mike Schreck (no page: counted as 1100)
Mar 10, 1904 · PTS 15/15 · weight ×1.10
W
Charles Mack (no page: counted as 1100)
Feb 22, 1904 · TKO 3 · weight ×1.00
D
Jan 27, 1904 · 6 · weight ×1.00 · opponent 1785
D
Dec 29, 1903 · PTS 10/10 · weight ×1.05 · opponent 1681
W
Jim Jeffords (no page: counted as 1100)
Dec 24, 1903 · 6 · weight ×1.00
W
Won vacant world middleweight title Dec 22, 1903 · PTS 15/15 · weight ×1.16 · opponent 1411
W
Diamond Dick Torpey (no page: counted as 1100)
Dec 18, 1903 · PTS 6/6 · weight ×0.90
W
Mike Schreck (no page: counted as 1100)
Dec 12, 1903 · PTS 6/6 · weight ×0.90
W
Jack Williams (no page: counted as 1100)
Dec 5, 1903 · KO 3/6 · weight ×0.90
W
Nov 18, 1903 · 6 · weight ×1.00 · opponent 1500
W
Bill Heveron (no page: counted as 1100)
Oct 26, 1903 · KO 4/15 · weight ×1.10
W
Jack Mullen (no page: counted as 1100)
Oct 12, 1903 · RTD 8/10 · weight ×1.05
W
Charlie Haghey (no page: counted as 1100)
Sep 21, 1903 · KO 3/20 · weight ×1.10
W
Paddy Sheehan (no page: counted as 1100)
Jul 21, 1903 · 6 · weight ×1.00
W
Jim Jeffords (no page: counted as 1100)
Jul 11, 1903 · 6 · weight ×1.00
W
Kid Carter (no page: counted as 1100)
Jul 1, 1903 · 6 · weight ×1.00
W
Jack Bonner (no page: counted as 1100)
Jun 24, 1903 · 10 · weight ×1.00
W
Jack Williams (no page: counted as 1100)
May 26, 1903 · 6 · weight ×1.00
W
May 23, 1903 · 6 · weight ×1.00 · opponent 1323
W
George Feeley (no page: counted as 1100)
May 14, 1903 · KO 3/6 · weight ×0.90
L
May 5, 1903 · 6 · weight ×1.00 · opponent 1641
D
Apr 20, 1903 · PTS 10/10 · weight ×1.05 · opponent 1595
W
Mar 30, 1903 · 6 · weight ×1.00 · opponent 1628
W
Billy Payne (no page: counted as 1100)
Mar 19, 1903 · TKO 2/6 · weight ×0.90
W
Jim Jeffords (no page: counted as 1100)
Mar 9, 1903 · PTS 10/10 · weight ×1.05
W
Jack Butler (no page: counted as 1100)
Mar 5, 1903 · 6 · weight ×1.00
W
Al Weinig (no page: counted as 1100)
Feb 26, 1903 · TKO 4/6 · weight ×0.90
W
Jan 8, 1903 · 6 · weight ×1.00 · opponent 1500
W
Al Weinig (no page: counted as 1100)
Jan 1, 1903 · KO 12/20 · weight ×1.10
W
Jimmy Watts (no page: counted as 1100)
Dec 18, 1902 · KO 4/6 · weight ×0.90
W
Charlie McKeever (no page: counted as 1100)
Dec 15, 1902 · 6 · weight ×1.00
W
Nov 19, 1902 · 6 · weight ×1.00 · opponent 1733
W
Oct 30, 1902 · 6 · weight ×1.00 · opponent 1542
W
Jim Jeffords (no page: counted as 1100)
Oct 23, 1902 · 6 · weight ×1.00
W
Oct 3, 1902 · 6 · weight ×1.00 · opponent 1542
W
Sep 29, 1902 · PTS 6/6 · weight ×0.90 · opponent 1611
W
Billy Stift (no page: counted as 1100)
Sep 12, 1902 · PTS 6/6 · weight ×0.90
W
Jack Lewis (no page: counted as 1100)
Jul 29, 1902 · KO 1 · weight ×1.00
W
Jun 30, 1902 · PTS 6/6 · weight ×0.90 · opponent 1825
W
Yank Kenny (no page: counted as 1100)
Jun 20, 1902 · KO 3/6 · weight ×0.90
W
George Cole (no page: counted as 1100)
Jun 12, 1902 · 6 · weight ×1.00
W
Al Neill (no page: counted as 1100)
Jun 6, 1902 · KO 3/6 · weight ×0.90
W
Charlie McKeever (no page: counted as 1100)
Jun 2, 1902 · KO 1/6 · weight ×0.90
W
Jack Bonner (no page: counted as 1100)
May 23, 1902 · 6 · weight ×1.00
W
Tom Lenihan (no page: counted as 1100)
May 10, 1902 · TKO 2/3 · weight ×0.80
W
George Cole (no page: counted as 1100)
May 3, 1902 · TKO 4/6 · weight ×0.90
W
Apr 28, 1902 · 6 · weight ×1.00 · opponent 1507
W
Apr 11, 1902 · 6 · weight ×1.00 · opponent 1637
W
Charlie McKeever (no page: counted as 1100)
Apr 1, 1902 · 6 · weight ×1.00
W
Jack McCann (no page: counted as 1100)
Mar 26, 1902 · KO 2/6 · weight ×0.90
W
Rufus Graham (no page: counted as 1100)
Mar 20, 1902 · 6 · weight ×1.00
W
Ed Denfass (no page: counted as 1100)
Mar 19, 1902 · TKO 5/6 · weight ×0.90
W
Charlie McKeever (no page: counted as 1100)
Mar 10, 1902 · 6 · weight ×1.00
W
Andy Walsh (no page: counted as 1100)
Mar 3, 1902 · TKO 3/6 · weight ×0.90
W
Yank Kenny (no page: counted as 1100)
Feb 1, 1902 · DQ 4/6 · weight ×0.90
W
Charlie McKeever (no page: counted as 1100)
Retained English middleweight title Jan 27, 1902 · DQ 3/15 · weight ×1.16
W
Pat McDonald (no page: counted as 1100)
Jan 20, 1902 · TKO 2/6 · weight ×0.90
W
Yank Kenny (no page: counted as 1100)
Retained English middleweight title Dec 12, 1901 · TKO 4/15 · weight ×1.16
W
Nov 18, 1901 · DQ 7/10 · weight ×1.05 · opponent 1222
W
Jack Scales (no page: counted as 1100)
Nov 7, 1901 · KO 1/20 · weight ×1.10
W
Sep 29, 1901 · PTS 6/6 · weight ×0.90 · opponent 1611
W
Harry Smith (no page: counted as 1100)
Sep 28, 1901 · KO 3/10 · weight ×1.05
W
Jack McDonald (no page: counted as 1100)
Sep 23, 1901 · KO 1 · weight ×1.00
W
Mick Lynch (no page: counted as 1100)
Sep 7, 1901 · KO 3/12 · weight ×1.10
W
Dido Plumb (no page: counted as 1100)
Won English middleweight title Aug 19, 1901 · KO 6/15 · weight ×1.16
W
Jack Scales (no page: counted as 1100)
Aug 3, 1901 · PTS 6/6 · weight ×0.90
W
Harry Neumier (no page: counted as 1100)
Jun 25, 1901 · KO 6/20 · weight ×1.10
W
George Chrisp (no page: counted as 1100)
May 20, 1901 · KO 11/20 · weight ×1.10
W
Lachie Thomson (no page: counted as 1100)
Mar 20, 1901 · KO 2/20 · weight ×1.10
W
Harry Smith (no page: counted as 1100)
Feb 25, 1901 · TKO 4/15 · weight ×1.10
W
Jimmy Handler (no page: counted as 1100)
Nov 12, 1900 · TKO 6/6 · weight ×0.90
W
Jimmy Handler (no page: counted as 1100)
Oct 29, 1900 · 6 · weight ×1.00
W
Tommy West (no page: counted as 1100)
Oct 15, 1900 · 6 · weight ×1.00
W
George Cole (no page: counted as 1100)
Oct 8, 1900 · DQ 10/20 · weight ×1.10
W
Jack Bonner (no page: counted as 1100)
Oct 1, 1900 · 6 · weight ×1.00
W
Andy Walsh (no page: counted as 1100)
Sep 21, 1900 · 6 · weight ×1.00
D
Jim Adams (no page: counted as 1100)
Jul 3, 1900 · PTS 6/6 · weight ×0.90
W
Jack Lewis (no page: counted as 1100)
Jun 14, 1900 · KO 7 · weight ×1.00
W
Charley Bell (no page: counted as 1100)
Jun 7, 1900 · KO 2 · weight ×1.00
W
Jack Mahoney (no page: counted as 1100)
May 25, 1900 · PTS 6/6 · weight ×0.90
W
Bob Long (no page: counted as 1100)
Apr 13, 1900 · PTS 6/6 · weight ×0.90
L
Feb 14, 1900 · KO 13/20 · weight ×1.10 · opponent 1676
D
Al Neill (no page: counted as 1100)
Jan 5, 1900 · PTS 15/15 · weight ×1.10
W
Tom Tracey (no page: counted as 1100)
Sep 15, 1899 · PTS 6/6 · weight ×0.90
W
Billy Murray (no page: counted as 1100)
Aug 29, 1899 · KO 3 · weight ×1.00
W
Tom McCune (no page: counted as 1100)
Aug 4, 1899 · KO 12 · weight ×1.00
W
Shorty Ahearn (no page: counted as 1100)
Jul 21, 1899 · PTS 6/6 · weight ×0.90
W
Walter Nolan (no page: counted as 1100)
Jun 30, 1899 · KO 4 · weight ×1.00
W
Kid Baxter (no page: counted as 1100)
Jun 23, 1899 · PTS 6/6 · weight ×0.90
W
Tony Drew (no page: counted as 1100)
May 15, 1899 · KO 7/20 · weight ×1.10
W
George Cole (no page: counted as 1100)
Mar 20, 1899 · PTS 20/20 · weight ×1.10
D
Billy Payne (no page: counted as 1100)
Mar 11, 1899 · 4 · weight ×1.00
W
Billy Payne (no page: counted as 1100)
Feb 23, 1899 · 8 · weight ×1.00
D
Jack Collier (no page: counted as 1100)
Jan 28, 1899 · 6 · weight ×1.00
W
George Cole (no page: counted as 1100)
Jan 21, 1899 · 6 · weight ×1.00
W
Fred Stricker (no page: counted as 1100)
Jan 7, 1899 · 4 · weight ×1.00
W
Hugh McWinters (no page: counted as 1100)
Dec 17, 1898 · PTS 20/20 · weight ×1.10
D
Harry Warren (no page: counted as 1100)
Dec 9, 1898 · 6 · weight ×1.00
W
Kid Carter (no page: counted as 1100)
Nov 26, 1898 · DQ 11/20 · weight ×1.10
W
Billy Payne (no page: counted as 1100)
Aug 12, 1898 · 6 · weight ×1.00
W
Young Smyrna (no page: counted as 1100)
Apr 15, 1898 · 6 · weight ×1.00
W
Dick Kelly (no page: counted as 1100)
Apr 10, 1898 · PTS 4/4 · weight ×0.80
W
Billy Payne (no page: counted as 1100)
Apr 1, 1898 · 6 · weight ×1.00
D
Billy Payne (no page: counted as 1100)
Mar 25, 1898 · 6 · weight ×1.00
W
Jack McCann (no page: counted as 1100)
Feb 14, 1898 · PTS 3/3 · weight ×0.80
D
Wilmington Jack Daly (no page: counted as 1100)
Feb 4, 1898 · 6 · weight ×1.00
W
Young Smyrna (no page: counted as 1100)
Jan 31, 1898 · PTS 6/6 · weight ×0.90
L
Izzy Strauss (no page: counted as 1100)
Jan 29, 1898 · 6 · weight ×1.00
W
Paddy Sheehan (no page: counted as 1100)
Jan 18, 1898 · 6 · weight ×1.00
W
Barney Connors (no page: counted as 1100)
Jan 10, 1898 · PTS 8/8 · weight ×1.00
W
Izzy Strauss (no page: counted as 1100)
Dec 31, 1897 · 6 · weight ×1.00
W
Joe Dougherty (no page: counted as 1100)
Oct 12, 1897 · KO 3 · weight ×1.00
D
Martin Judge (no page: counted as 1100)
Jul 26, 1897 · PTS 6/6 · weight ×0.90
W
Jack Hanlon (no page: counted as 1100)
Jun 27, 1897 · PTS 6/6 · weight ×0.90
W
Martin Judge (no page: counted as 1100)
Jun 25, 1897 · PTS 6/6 · weight ×0.90
D
Paddy Sheehan (no page: counted as 1100)
Jun 9, 1897 · PTS 4/4 · weight ×0.80
D
Barney Connors (no page: counted as 1100)
Jun 7, 1897 · PTS 15/15 · weight ×1.10
W
Charles Bull McCarthy (no page: counted as 1100)
Jun 3, 1897 · PTS 6/6 · weight ×0.90
L
Charles Bull McCarthy (no page: counted as 1100)
May 24, 1897 · 6 · weight ×1.00
L
Billy Payne (no page: counted as 1100)
Apr 6, 1897 · PTS 10/10 · weight ×1.05
L
Leslie Pearce (no page: counted as 1100)
Mar 22, 1897 · 6 · weight ×1.00
D
Billy Payne (no page: counted as 1100)
Mar 15, 1897 · 6 · weight ×1.00
W
Dan McConnell (no page: counted as 1100)
Feb 15, 1897 · 6 · weight ×1.00
W
Izzy Strauss (no page: counted as 1100)
Feb 8, 1897 · 6 · weight ×1.00
D
Martin Judge (no page: counted as 1100)
Jan 28, 1897 · PTS 6/6 · weight ×0.90
D
Bobby Dobbs (no page: counted as 1100)
Dec 23, 1896 · PTS 4/4 · weight ×0.80
W
George Russell (no page: counted as 1100)
Dec 19, 1896 · PTS 6/6 · weight ×0.90
D
Izzy Strauss (no page: counted as 1100)
Dec 14, 1896 · PTS 6/6 · weight ×0.90
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Philadelphia Jack O'Brien: record and titles