Page 32 of the 21 November 1946 edition of the Toledo Blade shows Buffalo at Syracuse as one of two NBL games scheduled for that night.
https://news.google.com/newspapers?n...rontpage&hl=en
The game report is on page 34 of the 22 November edition:
https://news.google.com/newspapers?n...rontpage&hl=en
That indicates it was the fifth game of the Nats' season. It's tough to find a league schedule in advance of the season, because
(if we understand pre-NBA history correctly, and it's very likely we don't) each NBL team was left to draw up their own schedule
and probably did a lot of adjusting as the season went along, depending on availability of venues and volume of advance ticket sales.