| De Rooi, P |
Van Donk, H |
0-1  |
? |
1961 |
A80 Dutch |
 |
| Donner, J |
De Rooi, P |
1-0  |
? |
1961 |
E62 King's Indian, fianchetto variation |
 |
| Donner, J |
Jongsma, A |
0-1  |
? |
1961 |
E30 Nimzo-Indian, Leningrad variation |
 |
| Donner, J |
Langeweg, K |
1-0  |
? |
1961 |
A56 Benoni defence |
 |
| Langeweg, K |
Tan, H |
0-1  |
? |
1961 |
A17 English opening |
 |
| Langeweg, K |
Van Donk, H |
1-0  |
? |
1961 |
A23 English, Bremen system, Keres variation |
 |
| Langeweg, K |
Van den Berg, C |
1-0  |
? |
1961 |
A29 English, four knights, kingside fianchetto |
 |
| Tan, H |
Branicki, I |
1-0  |
? |
1961 |
C70 Ruy Lopez |
 |
| Tan, H |
Roessel, F |
1-0  |
? |
1961 |
E70 King's Indian, 4.e4 |
 |
| Van Donk, H |
Donner, J |
1-0  |
? |
1961 |
B23 Sicilian, closed |
 |
| Van Donk, H |
Spanjaard, E |
1-0  |
? |
1961 |
B25 Sicilian, closed |
 |
| Van den Berg, C |
Donner, J |
0-1  |
? |
1961 |
B42 Sicilian, Kan, 5.Bd3 |
 |
| Van den Berg, C |
Tan, H |
1-0  |
? |
1961 |
B82 Sicilian, Scheveningen, 6.f4 |
 |
| Van der Pol, W |
Jonkman, M |
1-0  |
? |
1961 |
A07 Reti, King's Indian attack (Barcza system) |
 |