diff --git a/so_vector/challenges/default.json b/so_vector/challenges/default.json
index 5b0ac2021..e57e257b0 100644
--- a/so_vector/challenges/default.json
+++ b/so_vector/challenges/default.json
@@ -40,6 +40,20 @@
         "include-in-reporting": true
       }
     },
+    {
+      "name": "knn-search-default-match-all",
+      "operation": "knn-search-default-match-all",
+      "warmup-iterations": 100,
+      "iterations": 100,
+      "clients": 1
+    },
+    {
+      "name": "knn-recall-default-match-all",
+      "operation": "knn-recall-default-match-all",
+      "warmup-iterations": 0,
+      "iterations": 1,
+      "clients": 1
+    },
     {
       "name": "knn-search-10-50-match-all",
       "operation": "knn-search-10-50-match-all",
@@ -173,7 +187,21 @@
       "iterations": 1,
       "clients": 1
     },
-        {
+    {
+      "name": "knn-search-default-random-20-percent",
+      "operation": "knn-search-default-random-20-percent",
+      "warmup-iterations": 100,
+      "iterations": 100,
+      "clients": 1
+    },
+    {
+      "name": "knn-recall-default-random-20-percent",
+      "operation": "knn-recall-default-random-20-percent",
+      "warmup-iterations": 0,
+      "iterations": 1,
+      "clients": 1
+    },
+    {
       "name": "knn-search-10-50-random-20-percent",
       "operation": "knn-search-10-50-random-20-percent",
       "warmup-iterations": 100,
@@ -230,6 +258,20 @@
       "name": "refresh-after-force-merge",
       "operation": "refresh"
     },
+    {
+      "name": "knn-search-default-match-all-force-merge",
+      "operation": "knn-search-default-match-all",
+      "warmup-iterations": 100,
+      "iterations": 100,
+      "clients": 1
+    },
+    {
+      "name": "knn-recall-default-match-all-force-merge",
+      "operation": "knn-recall-default-match-all",
+      "warmup-iterations": 0,
+      "iterations": 1,
+      "clients": 1
+    },
     {
       "name": "knn-search-10-50-match-all-force-merge",
       "operation": "knn-search-10-50-match-all",
@@ -328,6 +370,20 @@
       "iterations": 1,
       "clients": 1
     },
+    {
+      "name": "knn-search-default-random-20-percent-force-merge",
+      "operation": "knn-search-default-random-20-percent",
+      "warmup-iterations": 100,
+      "iterations": 100,
+      "clients": 1
+    },
+    {
+      "name": "knn-recall-default-random-20-percent-force-merge",
+      "operation": "knn-recall-default-random-20-percent",
+      "warmup-iterations": 0,
+      "iterations": 1,
+      "clients": 1
+    },
     {
       "name": "knn-search-10-50-random-20-percent-force-merge",
       "operation": "knn-search-10-50-random-20-percent",
diff --git a/so_vector/operations/default.json b/so_vector/operations/default.json
index e1a667086..93b7591bf 100644
--- a/so_vector/operations/default.json
+++ b/so_vector/operations/default.json
@@ -226,6 +226,43 @@
     }
   }
 },
+{
+  "name": "knn-search-default-match-all",
+  "operation-type": "search",
+  "param-source": "knn-param-source"
+},
+{
+  "name": "knn-recall-default-match-all",
+  "operation-type": "knn-recall",
+  "param-source": "knn-recall-param-source",
+  "include-in-reporting": false
+},
+
+{
+  "name": "knn-search-default-random-20-percent",
+  "operation-type": "search",
+  "param-source": "knn-param-source",
+  "filter": {
+    "range": {
+      "questionId": {
+        "lte": 1500000
+      }
+    }
+  }
+},
+{
+  "name": "knn-recall-default-random-20-percent",
+  "operation-type": "knn-recall",
+  "param-source": "knn-recall-param-source",
+  "include-in-reporting": false,
+  "filter": {
+    "range": {
+      "questionId": {
+        "lte": 1500000
+      }
+    }
+  }
+},
 {
   "name": "knn-search-10-50-match-all",
   "operation-type": "search",