Menachem Oren

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Mieczysław Chwojnik , later known as Menachem Oren (born 1901, Poland – died 1962, Tel Aviv, Israel) was a Polish-Israeli chess master.

Chwojnik was born in Poland in 1901. He was the strongest Cracovian chess player in 1920s.; thrice winner of the Cracow championships (1919, 1925, 1926). He won the „Nowy Dziennik” tournament in Cracow in 1926. He played in two Polish championships. In 1926, he tied for 8-9th in Warsaw (1st POL-ch). The event was won by Dawid Przepiórka. In 1927, he tied for 5-7th in Lodz (2nd POL-ch). The event was won by Akiba Rubinstein. In 1928, he represented Poland at fourth board at the 2 nd Chess Olympiad in The Hague (+4 –3 =4). There, he won team bronze medal.

During WW II, Chwojnik moved to Palestine, where he had changed name to Menachem Oren. In 1951, he won the Israeli championship. He played thrice for Israel in Chess Olympiads: at second board (+6 –4 =3) at Helsinki 1952, third board (+7 –2 =3) at Amsterdam 1954, and fourth board (+2 –2 =4) at Moscow 1956.

Mieczyslaw Chwojnik, later known as Dr Menachem Oren, was a mathematician.