Rosen, Leon




Ratings

Year       Rank    Edo    Dev.   Games 
1896  134  2318 (62) 22
1897  143  2302 (65) 0
1898  165  2287 (65) 0
1899  202  2271 (61) 0
1900  224  2255 (53) 21
1901  214  2267 (62) 0
1902  195  2278 (67) 0
1903  183  2290 (68) 0
1904  175  2301 (67) 0
1905  165  2313 (63) 0
1906  151  2325 (55) 6
1907  132  2340 (50) 6
1908  125  2347 (45) 11
1909  122  2356 (42) 28
1910  174  2327 (56) 1
1911  211  2304 (64) 1
1912  225  2291 (71) 0
1913  258  2277 (75) 0
1914  264  2264 (78) 0
1915  272  2250 (78) 3
1916  314  2231 (81) 3
1917  344  2213 (89) 0
1918  404  2194 (95) 0
1919  458  2175 (100) 1
1920  518  2166 (107) 0
1921  583  2158 (113) 0
1922  625  2150 (118) 0
1923  708  2142 (123) 1

Rating table notes

Biographical data
Name: Rosen, Leon  
Born: Mar. 1869
Died: 16 Aug. 1942
 
References
Books
   Di Felice, Chess Results, 1901-1920, page 315
   Forster, Amos Burn, page 633, 967
   Gaige, Chess Personalia, page 360
   Hilbert, Walter Penn Shipley, page 329
   Sánchez, José Raúl Capablanca, page 132
   Thulin, Name index to CTC, page 224
   Urcan, Julius Finn, page 163, 179
Web
   Sericano, C.  [Maestri di scacchi dal 1900 al 1944]

Match data  (f=formal; c=casual; s=soft)

Rosen, L. - Rosenfeld, Her. 1908         (f)     3   -   2

Tournament data

Paris 1896     Café de la Régence Championship     15.5  /  22
Paris 1900     Paris International Tournament     5.5  /  21
New York 1906 (5)     Rice Club - Rice Trophy Selection Tournament     3.5  /  6
New York 1907 (2)     New York State Chess Association Championship    
  Rosen, L. - Finn, J.     0 - 1    
Saint Lawrence River 1907 (1)     20th New York State Chess Association Championship     3.5  /  5
Trenton Falls 1908 (1)     New York State Chess Association Rice Trophy Competition     3.5  /  6
New York 1909 (1)     Manhattan Club Championship     8  /  11
New York 1909 (2)     Brooklyn Club - Rice Club Match    
  Rosen, L. - Howell, C.S.     0 - 1    
New York 1909 (3)     Brooklyn Club - Rice Club Match    
  Rosen, L. - Curt, C.     1 - 0    
New York 1909 (4)     Rice Club Championship     10.5  /  14
Philadelphia 1909 (4)     Franklin Chess Club - Manhattan Chess Club Match    
  Rosen, L. - Shipley, W.P.     0.5 - 0.5    
New York 1910 (4)     Franklin Chess Club - Manhattan Chess Club Match    
  Rosen, L. - Robinson, D.S.     0.5 - 0.5    
Philadelphia 1911 (4)     Franklin Chess Club - Manhattan Chess Club Match    
  Rosen, L. - Sharp, S.T.     0.5 - 0.5    
New York 1914 (10)     Manhattan Chess Club - Brooklyn Chess Club Match    
  Rosen, L. - Massa, G.F.     1 - 0    
New York 1915 (2)     Staten Island Club - Manhattan Club Match    
  Rosen, L. - Hagedorn, H.C.     1 - 0    
New York 1915 (9)     Brooklyn - Manhattan Club Match    
  Rosen, L. - Cass, A.C.     0.5 - 0.5    
Philadelphia 1915     Franklin Chess Club - Manhattan Chess Club Match    
  Rosen, L. - Voigt, H.G.     1 - 0    
New York 1916 (2)     Manhattan Club - Progressive Club Match    
  Rosen, L. - Marder, A.     0 - 1    
New York 1916 (5)     Brooklyn - Manhattan Club Match    
  Rosen, L. - Zirn, H.     0.5 - 0.5    
New York 1916 (6)     Franklin Chess Club - Manhattan Chess Club Match    
  Rosen, L. - Robinson, A.K.     0.5 - 0.5    
New York and Washington 1919     Manhattan Club - Capital City Club Telegraphic Match    
  Rosen, L. - Zapoleon, L.B.     0 - 1    
New York 1923 (22)     Manhattan Club - Progressive Club Match    
  Rosen, L. - Wilenkin, M.     1 - 0    


Player information updated: 31 Jan. 2025