The pageant had always been half-ceremony, half-game. In Part I, toddlers paraded in sandcastle crowns; in Part II, older kids and adults reclaimed the spotlight. Competitors strode forward in improbable outfits — a grandfather in a tuxedo T-shirt and snorkel, a teenage girl in a sequined sarong who balanced a bucket of crabs like a scepter. Then came the pair everyone had been waiting for: “RussianBare,” the family’s legendary duo — Boris, uncle by marriage, and his daughter Katya, whose name still sparkled with the fame of last summer’s dramatic mermaid routine.