Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1937 |
1374 |
1979 | (61) | 14 |
| 1938 |
1318 |
2004 | (60) | 10 |
| 1939 |
1150 |
2017 | (60) | 19 |
| 1940 |
973 |
2020 | (72) | 0 |
| 1941 |
915 |
2023 | (82) | 7 |
Rating table notes
|
| Biographical data |
| Name: Karff, Naomi May |
| Also known as: Miss N. May Karff; Mona May Karff; née Minna Ratner |
| Born: 20 Oct. 1914 |
| Died: 10 Jan. 1998 |
|
| |
| References |
| Books |
| Sánchez, José Raúl Capablanca, page 471 |
| Tanner, Vera Menchik, page 313 |
| Periodicals |
| [BE], 15 Dec. 1941, page 17 |
| [SaTy], no. 22, 19 Sep. 1937, page 121 |
| [WES], 8 Apr. 1942, page 19 |
| Web |
| Negele, Michael. [Life story of female prodigy Sonja Graf-Stevenson] |
| Sarah. [American Woman - Part I] |
| [Mona May Karff] |
| |
