>game is fairly even at end of East rounds
>draw dangerous tile as my last tile
>immediately click a different tile to put down
>game "thinks" for a few seconds with no timer visible and then just puts down the tile I drew, dealing into shimocha's mangan
>tilted enough I accidentally deal into shimocha's dealer mangan by misclick on the next round, with a tiny double ron by toimen to add insult to injury
>next round shimocha gets tsumo dealer mangan, now I have 400 points left
>shimocha calls Ron on kamicha for another dealer mangan and bankrupts him and I limp away barely alive

And toimen was gold cat paw so that might have all been on stream somewhere...the horror...