diff --git a/participation/models.py b/participation/models.py
index 389e149..6b0cc7c 100644
--- a/participation/models.py
+++ b/participation/models.py
@@ -528,7 +528,7 @@ class Tournament(models.Model):
             })
 
         # Set borders
-        border_ranges = [("A1:AF", "0000"),
+        border_ranges = [("A1:Z", "0000"),
                          (f"A1:G{participations.count() + 1}", "1111"),
                          (f"A{participations.count() + 4}:D{2 * participations.count() + 4}", "1111")]
         sides_names = ['top', 'bottom', 'left', 'right']
@@ -551,7 +551,7 @@ class Tournament(models.Model):
             })
 
         # Make titles bold
-        bold_ranges = [("A1:AF", False), ("A1:G1", True),
+        bold_ranges = [("A1:Z", False), ("A1:G1", True),
                        (f"A{participations.count() + 4}:D{participations.count() + 4}", True)]
         for bold_range, bold in bold_ranges:
             format_requests.append({
@@ -563,7 +563,7 @@ class Tournament(models.Model):
             })
 
         # Set background color for headers and footers
-        bg_colors = [("A1:AF", (1, 1, 1)),
+        bg_colors = [("A1:Z", (1, 1, 1)),
                      ("A1:G1", (0.8, 0.8, 0.8)),
                      (f"A2:B{participations.count() + 1}", (0.9, 0.9, 0.9)),
                      (f"C2:C{participations.count() + 1}", (1, 1, 1)),
@@ -1037,7 +1037,7 @@ class Pool(models.Model):
         spreadsheet = gc.open_by_key(self.tournament.notes_sheet_id)
         worksheets = spreadsheet.worksheets()
         if f"Poule {self.short_name}" not in [ws.title for ws in worksheets]:
-            worksheet = spreadsheet.add_worksheet(f"Poule {self.short_name}", 100, 32)
+            worksheet = spreadsheet.add_worksheet(f"Poule {self.short_name}", 100, 26)
         else:
             worksheet = spreadsheet.worksheet(f"Poule {self.short_name}")
         if any(ws.title == "Sheet1" for ws in worksheets):
@@ -1145,8 +1145,8 @@ class Pool(models.Model):
 
         all_values = header + notes + footer + ranking
 
-        worksheet.batch_clear([f"A1:AF{max_row + 5 + pool_size}"])
-        worksheet.update("A1:AF", all_values, raw=False)
+        worksheet.batch_clear([f"A1:Z{max_row + 5 + pool_size}"])
+        worksheet.update("A1:Z", all_values, raw=False)
 
         format_requests = []
 
@@ -1172,13 +1172,13 @@ class Pool(models.Model):
         for i in range(pool_size + 1):
             merge_cells.append(f"A{max_row + 5 + i}:B{max_row + 5 + i}")
 
-        format_requests.append({"unmergeCells": {"range": a1_range_to_grid_range("A1:AF", worksheet.id)}})
+        format_requests.append({"unmergeCells": {"range": a1_range_to_grid_range("A1:Z", worksheet.id)}})
         for name in merge_cells:
             grid_range = a1_range_to_grid_range(name, worksheet.id)
             format_requests.append({"mergeCells": {"mergeType": MergeType.merge_all, "range": grid_range}})
 
         # Make titles bold
-        bold_ranges = [("A1:AF", False), ("A1:AF3", True),
+        bold_ranges = [("A1:Z", False), ("A1:Z3", True),
                        (f"A{max_row + 1}:B{max_row + 3}", True), (f"A{max_row + 5}:E{max_row + 5}", True)]
         for bold_range, bold in bold_ranges:
             format_requests.append({
@@ -1190,7 +1190,7 @@ class Pool(models.Model):
             })
 
         # Set background color for headers and footers
-        bg_colors = [("A1:AF", (1, 1, 1)),
+        bg_colors = [("A1:Z", (1, 1, 1)),
                      (f"A1:{getcol(2 + passages.count() * passage_width)}3", (0.8, 0.8, 0.8)),
                      (f"A{min_row - 1}:B{max_row}", (0.95, 0.95, 0.95)),
                      (f"A{max_row + 1}:B{max_row + 3}", (0.8, 0.8, 0.8)),
@@ -1276,7 +1276,7 @@ class Pool(models.Model):
             })
 
         # Define borders
-        border_ranges = [("A1:AF", "0000"),
+        border_ranges = [("A1:Z", "0000"),
                          (f"A1:{getcol(2 + passages.count() * passage_width)}{max_row + 3}", "1111"),
                          (f"A{max_row + 5}:E{max_row + pool_size + 5}", "1111"),
                          (f"A1:B{max_row + 3}", "1113"),
@@ -1351,9 +1351,9 @@ class Pool(models.Model):
             })
 
         # Protect the header, the juries list, the footer and the ranking
-        protected_ranges = ["A1:AF4",
+        protected_ranges = ["A1:Z4",
                             f"A{min_row}:B{max_row}",
-                            f"A{max_row}:AF{max_row + 5 + pool_size}"]
+                            f"A{max_row}:Z{max_row + 5 + pool_size}"]
         for protected_range in protected_ranges:
             format_requests.append({
                 "addProtectedRange": {
@@ -1397,7 +1397,7 @@ class Pool(models.Model):
         average_cell = worksheet.find("Moyenne")
         min_row = 5
         max_row = average_cell.row - 2
-        data = worksheet.get_values(f"A{min_row}:AF{max_row}")
+        data = worksheet.get_values(f"A{min_row}:Z{max_row}")
         if not data or not data[0]:
             return