What is "kieseritzky"

Kieseritzy is the surname of several people:

• Gustav Kieseritzky (1893–1943), highly decorated Vizeadmiral in the German Kriegsmarine during World War II
• Lionel Kieseritzky (1806–1853), Baltic-German chess master and writer
• R.K. Kieseritzky (c. 1870 – after 1923), Russian chess master

• Boden-Kieseritzky Gambit, chess opening named for Samuel Standridge Boden and Lionel Kieseritzky
• Kieseritzky Gambit, chess opening named for Lionel Kieseritzky