I remember BRS as well. never used it, but i believe its' designed to not allow climbing under 20G. I think it switches to a variant of DTET rotation system under 20g.
I still believe that SRS violates the purity of tetris. It breaks the rule that blocks go down, they don't go back up.
I still believe that SRS violates the purity of tetris. It breaks the rule that blocks go down, they don't go back up.