Following a dispute with chess officials , Bagirov moved to Latvia in the late 1970s .
Following a dispute with chess officials , Bagirov coached former World Champion Mikhail Tal , and future Grandmasters Alexei Shirov and Alexander Shabalov .
Following a dispute with chess officials , Bagirov moved to Latvia in the late 1970s , and coached former World Champion Mikhail Tal , and future Grandmasters Alexei Shirov and Alexander Shabalov .