Career
In 1957, Śliwa tied for 2nd-4th with Oleg Neikirch and Alexander Matanović, behind Miroslav Filip in Sofia (zt). He played for Poland in seven Chess Olympiads:
In 1952, at fourth board in the 10th Chess Olympiad in Helsinki (+7 –1 =4);
In 1956, at first board in the 12th Chess Olympiad in Moscow (+6 –4 =6);
In 1958, at first board in the 13th Chess Olympiad in Munich (+6 –6 =5);
In 1960, at first board in the 14th Chess Olympiad in Leipzig (+5 –5 =6);
In 1962, at first board in the 15th Chess Olympiad in Varna (+7 –4 =5);
In 1964, at third board in the 16th Chess Olympiad in Tel Aviv (+6 –2 =6);
In 1966, at fourth board in the 17th Chess Olympiad in Havana (+7 –3 =5).