red-boarding
v.— «There was a lot of “red-boarding” (i.e., post-race reasoning) as to why the horse should have been played.» —“Craftiness, at $6.50, Captures Diana Handicap at Saratoga in Record Time” by Joseph C. Nichols in Saratoga Springs, New York New York Times Aug. 22, 1961. (source: Double-Tongued Dictionary)