| Stockholm 1938 (2) |
Stockholm Championship |
1.5 | / | 7 |
| | | |
| Stockholm 1939 (2) |
Stockholm Championship |
3 | / | 5 |
| | | |
| Stockholm and Goteborg 1941 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Andersson, H. |
1 - 0 |
| | | |
| Goteborg 1941 (2) |
25th Swedish Championship - Master Class, Group 1 |
5.5 | / | 7 |
| | | |
| Stockholm and Goteborg 1942 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Thor, E. |
1 - 0 |
| | | |
| Stockholm 1942 (2) |
32nd Stockholm Championship |
4 | / | 10 |
| | | |
| Stockholm and Goteborg 1943 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Gustavsson, R. |
0.5 - 0.5 |
| | | |
| Malmo 1943 |
27th Swedish Championship |
2.5 | / | 5 |
| | | |
| Stockholm 1943 (1) |
Stockholm Tournament |
5.5 | / | 9 |
| | | |
| Stockholm 1943 (3) |
33rd Stockholm Championship - Group 2 |
7 | / | 9 |
| | | |
| Stockholm 1944 (1) |
Stockholm Tournament |
2.5 | / | 9 |
| | | |
| Stockholm and Goteborg 1944 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Andersson, R. |
0.5 - 0.5 |
| | | |
| Lidkoping 1944 |
28th Swedish Championship |
2.5 | / | 7 |
| | | |
| Stockholm and Goteborg 1945 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Dahlberg, F. |
0 - 1 |
| | | |
| Stockholm 1945 (2) |
Sweden - Finland Match |
| | | | | | |
|
Nilsson, Z. - Laisaari, M.K. |
2 - 0 |
| | | |
| Visby 1945 |
29th Swedish Championship |
3 | / | 7 |
| | | |
| Stockholm and Goteborg 1946 |
Stockholm - Goteborg Telephone Match |
| | | | | | |
|
Nilsson, Z. - Alexandersson, H.A. |
0.5 - 0.5 |
| | | |
| Helsinki 1946 (3) |
Finland - Sweden Match |
| | | | | | |
|
Nilsson, Z. - Salo, T. |
1.5 - 0.5 |
| | | |
| Stockholm 1947 (1) |
Stockholm Tournament |
3.5 | / | 9 |
| | | |
| Stockholm 1947 (2) |
31st Swedish Championship |
6 | / | 9 |
| | | |
| Copenhagen 1947 |
Denmark - Sweden Match |
| | | | | | |
|
Nilsson, Z. - Nielsen, Ju. |
2 - 0 |
| | | |
| Oslo 1947 |
Norway - Sweden Match |
| | | | | | |
|
Nilsson, Z. - Krogdahl, A.S.B. |
1 - 1 |
| | | |
| Sundsvall 1948 |
32nd Swedish Championship |
4.5 | / | 8 |
| | | |
| Saltsjobaden 1948 (1) |
Sweden - Denmark Match |
| | | | | | |
|
Nilsson, Z. - Nielsen, A.K. |
0.5 - 0.5 |
| | | |
|
Nilsson, Z. - Poulsen, C. |
0.5 - 0.5 |
| | | |
| Saltsjobaden 1948 (3) |
Sweden - Finland Match |
| | | | | | |
|
Nilsson, Z. - Rantanen, M.A. |
0.5 - 0.5 |
| | | |
