CREATE TABLE table_203_290 (id DECIMAL, "game" DECIMAL, "date" TEXT, "opponent" TEXT, "location" TEXT, "score" TEXT, "ot" TEXT, "attendance" DECIMAL, "record" TEXT)

when was the score difference the greatest ?
SELECT "date" FROM table_203_290 ORDER BY ABS("score" - "score") DESC LIMIT 1
SELECT "date" FROM "table_203_290" ORDER BY ABS("score" - "score") DESC NULLS LAST LIMIT 1