Screenshot #1: Big gap in games played, average overall winrate.
Screenshots #2: "They" come back to play in 7.31. Win rate increases by 10% to 65%-70%
Screenshot #3: Lose all TEN of their calibration games with others to force low MMR for smurfs to be more successful. (Match Fixing)
Anyone else see similar patterns?
Source: https://www.reddit.com/r/DotA2/comments/uey6aj/how_to_catch_a_smurf_in_3_screenshots/