Analysis of information sources in references of the Wikipedia article "Brzopotezni šah" in Croatian language version.
B1. A rapidplay game is one where either all the moves must be made in a fixed time from 15 to 60 minutes; or the time allotted + 60 times any increment is from 15 to 60 minutes. [...] C1. A blitz game is one where all the moves must be made in a fixed time of less than 15 minutes for each player; or the allotted time + 60 times any increment is less than 15 minutes.