Karel Hromádka was a Czech

Czech Republic

The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

 chess

Chess

Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...

 player, two-time Czech champion, 1913 and 1921 (jointly).

Hromádka played in the 1st unofficial Chess Olympiad

1st unofficial Chess Olympiad

The first Team Chess Tournament had been held by coinciding the 1924 Summer Olympics in Paris, 12th - 20 July 1924, at Hotel Majestic. The core of the organizing committee were the Frenchmen Pierre Vincent and Alexander Alekhine. Fifty-four players representing 18 countries arrived to Paris...

, Paris 1924, and scored 6.5/8 for first place in the Consolation Cup. In Qualification Group 1 he finished in third place. Hromádka played in the 1st Chess Olympiad

1st Chess Olympiad

The 1st Chess Olympiad, organized by the FIDE and comprising an open and women's tournament, as well as several events designed to promote the game of chess, took place between July 18 and July 30, 1927, in London, United Kingdom...

, London 1927, and scored +4 =3 -5. Notably, he also had a plus score against Siegbert Tarrasch

Siegbert Tarrasch

Siegbert Tarrasch was one of the strongest chess players and most influential chess teachers of the late 19th century and early 20th century....

 (+2 -0 =0).

The name Hromádka Indian Defense is sometimes given to the chess opening

Chess opening

A chess opening is the group of initial moves of a chess game. Recognized sequences of opening moves are referred to as openings as initiated by White or defenses, as created in reply by Black. There are many dozens of different openings, and hundreds of named variants. The Oxford Companion to...

 1.d4 Nf6 2.Nf3 c5 3.d5 d6 4.c4 e5, otherwise known as the Czech Benoni

Benoni Defense

The Benoni Defense is a group of chess openings generally characterized by the opening moves 1. d4 c5 2. d5, although Black's ...c5 and White's answer d5 are often delayed. The most usual opening sequence for the Benoni is 1. d4 Nf6 2. c4 c5 3. d5...

or the Old Benoni.