 He emigrated to Palestine (then under the British Mandate) in the early 1930s.Winz played for the Palestine team in two Chess Olympiads; at fourth board (+2 -9 =2) in the 6th Olympiad at Warsaw 1935, and at third board (+4 -6 =5) in the 8th Olympiad at Buenos Aires 1939.In September 1939, when World War II broke out, Winz, along with many other participants of the 8th Chess Olympiad, decided to stay permanently in Argentina.