Austrian player born in Romania. He learnt the game at 22 and played international tournament only at 43 when his business career faltered.
He finished second behind Emmanuel Lasker in 1893 in New York and participate in the famous tournament of Hastings in 1895.
He was known mostly for the countergambit that bears his name, and also for the first chess book written in Romanian Amiculŭ Joculu de Scachu Teoreticu şi Practicu (published in Bucharest in 1872).