29. Your opponent accidentally resigned you instead of himself. (After recounting, 38.).
1000 reasons you lost a game
30. You're playing against a declared speedrun account (of a notorious GM/IM). (After recounting, 39.).
45. You had to prepare the backup of your data from your 14-year-old phone that is total gibberish to your second-to-last generation PC (this one is true.).
46. You sacrifice the queen
And when your 14-move line gets refutated by a bishop that move one square you ragequit with seconds to spare on the clock.
28. Your opponent stalled, you had an appointment, you couldn't keep playing, reported the player, and went to the appointment. (After recounting, 37.)