I won playing white with the Keres in Halifax in Round5 of N.S. championships vs a very strong player many moons ago to tie for 1st and get a plaque plus moolah. I still have the plaque.
Sicilian Keres Attack

Thats awesome, I played it against Gearld Lomond years ago and lost. But he was a strong player back then.

Here is a early Keres Attack by Keres himself. https://youtu.be/j5a5_mAwIB4?si=hIKZEVRvt-vhTa8b

Last I heard Gerald had taken a job in New Brunswick. He beat Jim Mathers one year to win the N.S. championship.

FCO or Fundamental Chess Openings is a great Book to buy if you are adamant about serious Rating gains. Daily players should have these as references as we encounter many different styles of chess from Aggressive chess to passive and each deserves study. Here is John Nunn showing a Keres Attack with explanations of the moves mixed with bits of chess wisdom. Please enjoy learning. https://youtu.be/iZxVORENo0s?si=kOpgH5trz4xprH1l
Here is the Keres attack with g4 . https://youtu.be/zzzAuqvWh_s?si=kvtljjpfL9PzykUh lots of Grandmasters have played this.