Hermann Keidanski
Hermann Keidanski was a German-Jewish chess master.
Keidanski was born in Großendorf, West Prussia, he came to Berlin where he participated in many chess tournaments in the 1890s. He tied for 8-9th at Cologne in 1898, took 2nd, behind Julius Finn, at New York City in 1903, and tied for 5-6th at New York State Chess Association in 1907.
He lost a match to Carl August Walbrodt in 1891, and won against Eugene Delmar in 1902.
His name is attached to the Keidanski Variation in the Prussian Defence. Analysis by Dr. Hermann Kaidanz appeared in the Wiener Schachzeitung in 1904. He also analysed the Keidansky Gambit.
