József Szén
[Image:JoszefSzen.jpg|right|130px|thumb|József Szén]
József Szén was a Hungarian chess master who lived in the Austrian Empire.
He obtained a law degree, and later became a civil servant for the city of Pest, which later merged with the city of Buda in 1873 to form present-day Budapest. He often played in the Café Worm of Pest, playing with any opponent for a stake of 20 Kreuzers.
Very strong in the endgame, he was given the nickname of the Hungarian Philidor. He discovered and described the Szen position, in the endgame of rook and bishop against rook, as a drawing method for the weaker side. This work has stood up to subsequent analysis.
From 1836 to 1839, Szen travelled extensively throughout much of Europe, including France, Germany and England, playing chess wherever he went. In 1836 Szén played a match in Paris with Louis-Charles Mahé de La Bourdonnais, then considered the strongest player in the world, in which de La Bourdonnais gave him odds of pawn and two moves. Szén won with 13 wins and 12 losses, and no draws. Also in 1836, Szen drew a match with Parisian Hyacinthe Henri Boncourt, one of France's strongest players.
In 1839, Szén founded the Budapest Chess Club. In the same year, he lost a match to Karl Mayet in Berlin. Between 1842 and 1846, he headed a Pest team of correspondence players, including Johann Lowenthal, that beat a Paris team, headed by Pierre Saint-Amant, with two wins and no losses. The Hungarian team introduced the Hungarian Defense, which is playable but rarely seen in modern top-level play.
In 1851, he lost a match by 13-7 to Lionel Kieseritzky.
Szén took fifth place at the world's first international chess tournament, London 1851. In the first round he beat Samuel Newham 2-0, then lost 2-4 to the tournament winner, Adolf Anderssen; in the third round he overcame Bernhard Horwitz 4-0, and in the fourth round Hugh Alexander Kennedy by 4½-½. He actually scored the highest percentage in the tournament. In 1852, he drew a match with Ernst Falkbeer in Vienna. In 1853, he lost a match to Daniel Harrwitz in London.