| New York 1936 (5) |
U.S. Championship - Preliminary A |
2.5 | / | 11 |
| | | |
| Poughkeepsie 1936 |
58th New York State Chess Association Tournament |
7 | / | 11 |
| | | |
| New York 1938 (2) |
Manhattann Club - Marshall Club Match |
| | | | | | |
|
Soudakoff, J. - Bigelow, H.R. |
1 - 0 |
| | | |
| New York 1938 (8) |
Manhattan Club - Marshall Club Match |
| | | | | | |
|
Soudakoff, J. - Green, Mat. |
0 - 1 |
| | | |
| Boston, Massachusetts 1938 (4) |
39th American Chess Federation Congress - Preliminary Section 4 |
2.5 | / | 6 |
| | | |
| New York 1938 (9) |
Manhattan Club Championship |
2.5 | / | 7 |
| | | |
| Philadelphia 1939 |
Manhattan Club - Philadelphia Match |
| | | | | | |
|
Soudakoff, J. - Driver, P.B. |
0.5 - 0.5 |
| | | |
| New York 1939 (11) |
Manhattan Club - Westside YMCA Club Match |
| | | | | | |
|
Soudakoff, J. - Connelly, T.J. |
1 - 0 |
| | | |
| New York 1939 (12) |
Manhattan Club - Westside YMCA Club Match |
| | | | | | |
|
Soudakoff, J. - Pointer, J. |
1 - 0 |
| | | |
| New York 1940 (4) |
Marshall Club - Manhattan Club Match |
| | | | | | |
|
Soudakoff, J. - Collins, J.W. |
0.5 - 0.5 |
| | | |
| New York 1940 (6) |
3rd U.S.A. Championship - Preliminary Section B |
5.5 | / | 7 |
| | | |
| Hamilton, New York 1940 |
62nd New York State Chess Association Tournament - Championship |
8 | / | 11 |
| | | |
| New York 1940 (9) |
Manhattan Club Championship |
6.5 | / | 15 |
| | | |
| New York 1941 (1) |
Manhattan Club Championship |
5 | / | 8 |
| | | |
| New York 1942 (3) |
Marshall Club - Manhattan Club Match |
| | | | | | |
|
Soudakoff, J. - Fajans, H. |
0 - 1 |
| | | |
| Cazenovia 1942 |
New York State Chess Association Championship |
5 | / | 9 |
| | | |
| Cazenovia 1946 (3) |
68th New York State Chess Association Championship - Preliminary Section 3 |
2.5 | / | 4 |
| | | |
| Cazenovia 1946 (4) |
68th New York State Chess Association Championship - Final |
2 | / | 5 |
| | | |
