diff --git a/cypress/e2e/chronology.cy.js b/cypress/e2e/chronology.cy.js
index 6bea6e4..214051c 100644
--- a/cypress/e2e/chronology.cy.js
+++ b/cypress/e2e/chronology.cy.js
@@ -1,7 +1,7 @@
 describe('Chronology', () => {
     // see #11  
 
-    describe('Andreas Gryphius', () => {
+    describe('Andreas Gryphius', {tags: ['@next']}, () => {
         // DP: add sort: 'year' to qs for sorted results
         beforeEach(() => {
             cy.visit({
@@ -17,7 +17,7 @@ describe('Chronology', () => {
         // DP: sometimes the date in resultlist-data conflicts with the exact date in details view
         // which can impact the percieved sorting
         // see #35
-        it.skip('Top 1 should be published in or after 2020', () => {
+        it('Top 1 should be published in or after 2020', () => {
             cy.get('.resultlist-data')
                 .first()
                 .contains(/202\d/)
@@ -246,11 +246,36 @@ describe('Chronology', () => {
         // not sure if this should or should not exist
         // definition of relevance?
         // see #35
-        it.skip('should show relevant titles according to chronology', () => {
+        it.skip('should show relevant title', () => {
             cy.get('[href*="1756833699"]')
                 .should('exist')
         })
 
+        // PPN 389602841 2005
+        // PPN 430480865 1969
+        // see #35
+        it.skip('should show relevant titles according to chronology', () => {
+            cy.get('[href*="389602841"]')
+                .parents('[id^="result"]')
+                .find('.record-number')
+                .invoke('text')
+                .then(($num1) => {
+                    const num1 = parseInt($num1)
+
+
+                    cy.get('[href*="430480865"]')
+                        .parents('[id^="result"]')
+                        .find('.record-number')
+                        .invoke('text')
+                        .then(($num2) => {
+                            const num2 = parseInt($num2)
+
+
+                            expect(num1).to.be.lessThan(num2)
+                        })
+                })
+        })
+
 
     })
 
diff --git a/vufind/searchspecs.yaml b/vufind/searchspecs.yaml
index 9b0ceac..373d418 100644
--- a/vufind/searchspecs.yaml
+++ b/vufind/searchspecs.yaml
@@ -463,11 +463,13 @@ AllFields:
     - [bq, genre_facet:"Rezension"^0.1]
     - [bq, genre_facet:"book-review"^0.1]
 # Alternative zum abgestufen Boosting des Erscheinungsjahres, eWW
-    # - [bf=ord(publishDateSort)^500] 
+# see #35
+# see #59
+    - [bf, 'ord(publishDateSort)^500'] 
 # Hebis inspired
     # - [boost, sum(product(max(0,sum(product(abs(ms(NOW/YEAR,publishDateSort)),-5.285e-13),1)),6.5),500)] 
 # Docs inspired
-    - [bf=recip(ms(NOW/Year,ord(publishDateSort)),1,1000,1000)]
+    # - [bf=recip(ms(NOW/Year,ord(publishDateSort)),1,1000,1000)]
 # Old Approach
     # - [bq, publishDateSort:2023^280]
     # - [bq, publishDateSort:2022^260]