are there any benefits chesswise to learning martial arts

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chessmaster102

a friend of mine always intrested in martial arts joined a academy 3 months ago and now and in those last 3months his ratings gone up by 91pts which is quite alot considering hes never leaped in rating no higher than 67pts in the last 2yrs and I was curious as to what can taking up MMA do for ones chess skills?

Crazychessplaya

It's vital when playing Gormally or Azmaiparashvili.