I never understood what White got out of offering a pawn with check here, but upon closer inspection, his compensation seems pretty reasonable: he gets the useful move Kb1 "for free", opens the g-file, and will gain another tempo off of the Bg5 with something like Rhg1, Qh5 or h2-h4. The attack on e6 is also pretty annoying.
Trap (poisoned g5-pawn) in the main line of Najdorf
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Please, dont take it personally. I make no discriminations, and I block all idiots.
I can't remember the reason I blocked you, but it should be a fairly good one.