Taking symmetry to an extreme

oops, here it is with the replay option: http://en.lichess.org/N9MjmZWQ

and then he resigns......... what

it can be even longer if you really try hard.

chegm8 (#8): whaaaat.... I don't think I had ever seen that one!

I vaguely remember one where it doesn't end in a draw, it's symmetrical up until the last move where Black was going to get mated or something like that...

@Patrizsche

Here it is: http://www.chessgames.com/perl/chessgame?gid=1270130

@tisnjh Thank you, that's exactly it!

"Broken Mirror"...
priceless.

Though not a perfect mirror, this 1918 game between Capablanca and the mysterious (also, possibly immortal) NN illustrates the advantage to White in these situations:

http://www.chessgames.com/perl/chessgame?gid=1242914