3m1½f (3m1f56y) (New) Paddy Power Cotswold Chase (Grade 2) (Class 1) (5yo+) Colin Tizzard has all but confirmed his Grade 1-winning novice chaser SLATE HOUSE a runner in Saturday’s Cotswold Chase, and at 9/1 the betting market hasn’t reacted, which really surprises me. He was the stand-out entry in the race on Monday and I…