Career
Weenink played four times for Netherlands in Chess Olympiads:
In the 1st Chess Olympiad at London 1927 (+5 –7 =3);
In the 2nd Chess Olympiad at The Hague 1928 (+3 –6 =7);
In the 3rd Chess Olympiad at Hamburg 1930 (+7 –3 =6);
In the 4th Chess Olympiad at Prague 1931 (+2 –9 =6). Weenink died of tuberculosis at the age of 39.