R.K. Kieseritzky
R. K. Kieseritzky was a chess master from the Russian Empire of Baltic-German ethnicity.
He took 11th at Barmen 1905, competed in the Fifth All-Russian Masters’ Tournament at Lodz 1907/08 and in the Second Winter Tournament of the St. Petersburg Chess Club in April 1912.
After World War I, he tied for seventh in 1920, and tied for eighth in 1922, both the Petrograd City Chess Championship.
His last recorded game was Abram Rabinovich vs. R.K. Kieseritzky, the First Category Tournament in Petrograd, annotated by Rabinovich and printed in the Shakhmatny Listok 1923, p. 4.