Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1906 |
370 |
2189 | (75) | 4 |
| 1907 |
373 |
2193 | (69) | 5 |
| 1908 |
377 |
2200 | (67) | 0 |
| 1909 |
374 |
2208 | (63) | 0 |
| 1910 |
345 |
2216 | (55) | 16 |
| 1911 |
358 |
2222 | (63) | 0 |
| 1912 |
332 |
2228 | (68) | 0 |
| 1913 |
316 |
2234 | (70) | 0 |
| 1914 |
282 |
2240 | (69) | 5 |
| 1915 |
261 |
2240 | (74) | 0 |
| 1916 |
264 |
2240 | (77) | 0 |
| 1917 |
264 |
2240 | (78) | 0 |
| 1918 |
264 |
2240 | (77) | 0 |
| 1919 |
266 |
2240 | (75) | 0 |
| 1920 |
284 |
2241 | (70) | 10 |
Rating table notes
|
| Biographical data |
| Name: Preiswerk, Walter Edouard |
| Also known as: Dr. Preiswerk |
| Born: 5 July 1885 |
| Died: 28 Nov. 1948 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 314 |
| Forster, The Zurich Chess Club, page 142, 433 |
| Gaige, Chess Personalia, page 340 |
| McGowan, Kurt Richter, page 9, 365 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 252, 254, 255 |
| Thulin, Name index to CTC, page 208 |
| |
