Playerlink Online – Blog

Discussions on the world of Scorekeeping, Playerlink Online, and more.

DCI Number Expansion

DCI numbers have expanded several times over the years. Originally, they were 4-digit numbers, and that number expanded to 5-digits, 6-digits, and — briefly — to 7-digits. When 8-digit numbers were introduced, they were actually 7-digit numbers with a check-digit. Check-digits are a simple verification scheme, in order to make sure that the rest of […]