4 ms·I can't keep up with all this 4D chess! (And it's been flagged by the tarrif-supporters here?)by fortran77 2y agoI can't keep up with all this 4D chess! (And it's been flagged by the tarrif-supporters here?)baxtr 2y agoThat’s because it’s 7D chess!beardyw 2y agoThe 4th dimension is time which allows the player to move backwards and change what they previously did. Brilliant move Don.