swws probably hacks...
here are a few screenshots to illustrate it.
He can of course post a ss to miss proof me.
He pretended that he didn't knew ss :-P
Early at the game I gave him vision (ss 43) and enough time for him to notice it. He didn't say anything even when a huge part of my base would be clearly visible.
I asked at 46 and had to re ask and explain at 47.