Chocholous Jiri (09.12.1856 – 03.09.1930) Czech problemist who was one of the founders of the Czech School. He published over 1300 problems. [Event "HM Ceskoslovensky Sach Prace"] [Site "?"] [Date "1891.??.??"] [Round "?"] [White "J. Choholous"] [Black "Mate in 4 moves"] [Result "*"] [SetUp "1"] [FEN "1n6/6K1/6N1/8/1P2k1pN/7P/np1Q4/1r6 w - - 0 1"] [PlyCount "7"] 1. Nf5 gxh3 (1... Re1 2. Qd4+ Kf3 3. Ngh4+ Ke2 4. Ng3#) 2. Nd6+ Kf3 3. Ne5+ Kg3 4. Nf5# * You must activate JavaScript to enhance chess game visualization.