squeeze water outta rock, what i mean is squeeze the points ...

Prompt

squeeze water outta rock, what i mean is squeeze the points and arguments out of every perspectives, judging every point of views. give me 3 hardest chess that requires mental brillance the most, anti-luck, pure strategic thinking and tactics (note: chesses that can be set out physically, NOT infinite chess, and you cant list subvariants, like Taikyoku Shogi which is a subvariant of chess variant Shogi, chess which is a hybrid subvariant. and must belong to the chaturanga family)