From BGJ #80 (Autumn 1990), pg. 12 – Random Go, Matthew Macfadyen
The Ing timer is a device imported from the far east which bears a superficial resemblance to a chess clock, but its main function is that after the game is finished a subtle random element can be introduced to the results: each player has to press a button on the timer, and if it responds by going “beep” more than seventy-three times then that player has lost, regardless of the position on the board.
At this time, by the way, only two of 38 (?) listed non-school clubs were declared as non-smoking.
I also found this linguistic note, in Whisper Protect?, Brian Chandler (pg. 24).