| Amsterdam 1932 (1) |
De Pion Club Jubilee Tournament - Honorary Group A |
2.5 | / | 3 |
| | | |
| Ebensee 1933 (1) |
Ebensee Tournament - Preliminary Section |
2.5 | / | 8 |
| | | |
| Ebensee 1933 (3) |
Ebensee Tournament - Final Section B |
3 | / | 4 |
| | | |
| Hastings 1934 (2) |
14th Hastings Christmas Congress - Premier Reserves |
4.5 | / | 9 |
| | | |
| Amsterdam 1934 (2) |
Amsterdam Tournament |
0.5 | / | 3 |
| | | |
| Sitges 1934 |
Sitges International Tournament |
3.5 | / | 13 |
| | | |
| Zandvoort 1934 (2) |
Zandvoort Tournament - Section 2 |
1 | / | 3 |
| | | |
| Hastings 1935 (2) |
15th Hastings Christmas Congress - Premier Reserves |
6 | / | 9 |
| | | |
| Margate 1935 (4) |
Margate Premier Reserves, Preliminary Group C |
3 | / | 5 |
| | | |
| Margate 1935 (6) |
Margate Premier Reserves - Final B |
4 | / | 5 |
| | | |
| Soestdijk 1935 (1) |
Soestdijk Tournament - Section 1 |
1.5 | / | 3 |
| | | |
| Yarmouth 1935 (3) |
28th British Chess Federation Congress - Major Open Tournament |
4 | / | 11 |
| | | |
| Hastings 1936 (3) |
16th Hastings Christmas Congress - Premier Reserves, Section 2 |
5.5 | / | 9 |
| | | |
| Amsterdam 1936 (1) |
Amsterdam Tournament |
2.5 | / | 7 |
| | | |
| Rotterdam 1936 |
10th Netherlands Championship |
5.5 | / | 9 |
| | | |
| Zandvoort 1936 |
Zandvoort Tournament |
1.5 | / | 11 |
| | | |
| Munich 1936 |
Unofficial Olympiad |
8 | / | 19 |
| | | |
| Hastings 1937 (2) |
17th Hastings Christmas Congress - Premier Reserves, Section 1 |
7 | / | 9 |
| | | |
| Birmingham 1937 |
Birmingham Tournament |
7.5 | / | 9 |
| | | |
| Margate 1937 (2) |
Margate Premier Reserves - Section A |
4 | / | 9 |
| | | |
| Baarn 1937 (2) |
Baarn Tournament - Section 2 |
2.5 | / | 3 |
| | | |
| Stockholm 1937 (3) |
7th Olympiad |
7 | / | 14 |
| | | |
| Amsterdam 1937 |
Holland - Great Britain Match |
| | | | | | |
|
Prins, L. - Atkins, H.E. |
1 - 1 |
| | | |
| Hastings 1938 (2) |
18th Hastings Christmas Congress - Premier Reserves A |
4 | / | 9 |
| | | |
| Margate 1938 (3) |
Margate Premier Reserves B |
6.5 | / | 9 |
| | | |
| London, England 1938 (1) |
England - Netherlands Team Match |
| | | | | | |
|
Prins, L. - Tylor, T.H. |
0 - 2 |
| | | |
| Amsterdam 1938 (2) |
11th Netherlands Championship |
5 | / | 11 |
| | | |
| Hastings 1939 (2) |
19th Hastings Christmas Congress - Premier Reserves A |
4.5 | / | 9 |
| | | |
| Birmingham 1939 |
Birmingham Tournament |
7 | / | 9 |
| | | |
| Paris 1939 |
Paris Tournament |
4 | / | 14 |
| | | |
| Margate 1939 (2) |
Margate Premier Reserves A |
4.5 | / | 11 |
| | | |
| Buenos Aires 1939 (3) |
8th Olympiad - Qualifying Group 3 |
3.5 | / | 5 |
| | | |
| Buenos Aires 1939 (6) |
8th Olympiad - Final A |
7.5 | / | 11 |
| | | |
| Amsterdam 1939 (3) |
VVGA Tournament |
2 | / | 7 |
| | | |
| Amsterdam 1940 (1) |
V.A.S. Tournament |
4 | / | 7 |
| | | |
| Amsterdam 1940 (2) |
Amsterdam Tournament |
6 | / | 7 |
| | | |
| Hilversum 1940 |
Dutch Chess Association Tournament - Group 1 |
2.5 | / | 7 |
| | | |
| Leeuwarden 1940 |
Burmania Cup Tournament |
5.5 | / | 7 |
| | | |
| Hastings 1946 (1) |
21st Hastings Christmas Congress - Premier Tournament |
5 | / | 11 |
| | | |
| London, England 1946 (1) |
London International Tournament - Section A |
5.5 | / | 11 |
| | | |
| Maastricht 1946 |
Maastricht Masters Tournament |
5 | / | 9 |
| | | |
| Leiden 1946 (2) |
14th Netherlands Championship - Semi-Finals, Group 2 |
5.5 | / | 7 |
| | | |
| Hastings 1947 (1) |
22nd Hastings Christmas Congress - Premier Tournament |
2.5 | / | 9 |
| | | |
| Amsterdam 1947 (1) |
Netherlands - Great Britain Match |
| | | | | | |
|
Prins, L. - Alexander, C.H.O'D. |
0.5 - 1.5 |
| | | |
| Baarn 1947 (2) |
Baarn Tournament - Group B |
4 | / | 7 |
| | | |
| Antwerp 1947 |
Belgium - Netherlands Match |
| | | | | | |
|
Prins, L. - Lemaire, R. |
1 - 1 |
| | | |
| The Hague 1947 |
Netherlands - Czechoslovakia Match |
| | | | | | |
|
Prins, L. - Foltys, J. |
0.5 - 1.5 |
| | | |
| Gijon 1947 |
Gijon Tournament |
10.5 | / | 13 |
| | | |
| Beverwijk 1948 |
10th Hoogoven Tournament - Major Section |
6.5 | / | 9 |
| | | |
| Karlovy Vary and Marianske Lazne 1948 |
Karlovy Vary - Marianske Lazne Tournament |
9 | / | 19 |
| | | |
| Gijon 1948 |
Gijon Tournament |
6.5 | / | 10 |
| | | |
| Rogaska Slatina 1948 |
Rogaska Slatina Tournament |
10 | / | 15 |
| | | |
| London, England 1948 (3) |
Great Britain - Netherlands Match |
| | | | | | |
|
Prins, L. - Thomas, G.A. |
0 - 2 |
| | | |
| Baarn 1948 |
Baarn Tournament - Major Section |
4.5 | / | 9 |
| | | |
| Nijmegen 1948 |
15th Netherlands Championship - Challengers Selection |
7.5 | / | 9 |
| | | |
