Complex sentence: The 1950 Dubrovnik chess set was designed without religious symbols the pieces had wide bases requiring 55 millimetre chessboard squares, green felted sliders and were not weighted.
Split into simpler sentences: The 1950 Dubrovnik chess set was designed without religious symbol. The pieces were practically designed with wide bases requiring 55 millimetre chessboard squares, green felted sliders and were not weighted.