"Menachem Oren"@en . . . . . "Israeli chess player" . "1962Z"^^ . "1903Z"^^ . "Oren, Menachem"@en . "Mieczys\u0142aw (Mendel) Chwojnik, later known as Dr. Menachem Oren (Hebrew: \u05DE\u05E0\u05D7\u05DD \u05D0\u05D5\u05E8\u05DF\u200E; 1903, Ruzhany, Russian Empire (now Belarus) \u2013 December 1962, Tel Aviv, Israel) was a Belarusian-born Israeli chess master and mathematician.Chwojnik 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)."@en . "Mieczys\u0142aw Chwojnik"@en .