| January 1907 tournament | Performance rating of 2540, scoring 1/6 (17%) vs 2726-rated opposition in Copenhagen, 1907 |
| January 1908 rating list | Rating: 2500, ranked #43 in world, age 40y2m (and ranked #594 all-time among players aged 40y2m) |
| February 1908 rating list | Rating: 2501, ranked #43 in world, age 40y3m (and ranked #583 all-time among players aged 40y3m) |
| March 1908 rating list | Rating: 2502, ranked #43 in world, age 40y4m (and ranked #573 all-time among players aged 40y4m) |
| July 1916 tournament | Performance rating of [2517], scoring 1.5/2 (75%) vs 2491-rated opposition in Nordisk Skakforbund Copenhagen, 1916 |
| August 1924 tournament | Performance rating of [2537], scoring 0/1 (0%) vs 2695-rated opposition in Nordisk Skakforbund Copenhagen, 1924 |
| July 1927 team event | Performance rating of 2487, scoring 2/6 (33%) vs 2572-rated opposition in London ol (Men), 1927 |
| August 1927 rating list | Rating: 2466, ranked #74 in world, age 59y9m (and ranked #90 all-time among players aged 59y9m) |
| September 1927 rating list | Rating: 2467, ranked #73 in world, age 59y10m (and ranked #89 all-time among players aged 59y10m) |
| October 1927 rating list | Rating: 2468, ranked #79 in world, age 59y11m (and ranked #85 all-time among players aged 59y11m) |
| November 1927 rating list | Rating: 2466, ranked #84 in world, age 60y0m (and ranked #85 all-time among players aged 60y0m) |
| December 1927 rating list | Rating: 2469, ranked #78 in world, age 60y1m (and ranked #82 all-time among players aged 60y1m) |
| January 1928 rating list | Rating: 2469, ranked #78 in world, age 60y2m (and ranked #80 all-time among players aged 60y2m) |
| February 1928 rating list | Rating: 2470, ranked #75 in world, age 60y3m (and ranked #79 all-time among players aged 60y3m) |
| March 1928 rating list | Rating: 2471, ranked #74 in world, age 60y4m (and ranked #76 all-time among players aged 60y4m) |
| April 1928 rating list | Rating: 2471, ranked #74 in world, age 60y5m (and ranked #75 all-time among players aged 60y5m) |
| May 1928 rating list | Rating: 2472, ranked #72 in world, age 60y6m (and ranked #77 all-time among players aged 60y6m) |
| August 1928 rating list | Rating: 2496, ranked #72 in world, age 60y9m (and ranked #56 all-time among players aged 60y9m) |
| September 1928 rating list | Rating: 2498, ranked #75 in world, age 60y10m (and ranked #55 all-time among players aged 60y10m) |
| October 1928 rating list | Rating: 2492, ranked #76 in world, age 60y11m (and ranked #56 all-time among players aged 60y11m) |
| November 1928 rating list | Rating: 2491, ranked #78 in world, age 61y0m (and ranked #58 all-time among players aged 61y0m) |
| December 1928 rating list | Rating: 2490, ranked #78 in world, age 61y1m (and ranked #58 all-time among players aged 61y1m) |
| January 1929 rating list | Rating: 2491, ranked #75 in world, age 61y2m (and ranked #54 all-time among players aged 61y2m) |
| February 1929 rating list | Rating: 2491, ranked #75 in world, age 61y3m (and ranked #56 all-time among players aged 61y3m) |
| August 1934 tournament | Performance rating of [2559], scoring 2/2 (100%) vs 2482-rated opposition in Nordisk Skakforbund Copenhagen, 1934 |
