Complex sentence: In 1895 he discovered a variation of the Kieseritzky gambit, which then became known as the Rice Gambit and sponsored tournaments where the opening became the starting point of each game.
Split into simpler sentences: In 1895 he discovered a variation of the Kieseritzky gambit, which then became known as the Rice Gambit. He then sponsored tournaments where the opening became the starting point of each game.