Changes

'''Blitz chess''' is high-speed [[chess]] that allots only 5 minutes or so per side.  The world championship in blitz chess allows only 3 minutes per side but 2 extra seconds per move.

'''Blitz chess''' is high-speed [[chess]] that allots only 5 minutes or so per side.  The world championship in blitz chess allows only 3 minutes per side but 2 extra seconds per move.  Blitz chess is faster than "rapid chess," which allows 10 minutes per side.

It is common for a player to win blitz chess when his opponent runs out of time (flagging). This happened to world champion Magnus Carlsen at the Sinquefield Cup in 2019 where blitz chess is used as a playoff if classical chess and rapid chess fail to produce a clear winner.

It is common for a player to win blitz chess when his opponent runs out of time (flagging). This happened to world champion Magnus Carlsen at the Sinquefield Cup in 2019 where blitz chess is used as a playoff if classical chess and rapid chess fail to produce a clear winner.