diff --git a/.gitignore b/.gitignore
index 780dcd2..ddee7e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ io
 debug
 venv/
 CLAUDE.md
+__pycache__
diff --git a/doc/cp.nvim.txt b/doc/cp.nvim.txt
index 2557fb8..ac993b7 100644
--- a/doc/cp.nvim.txt
+++ b/doc/cp.nvim.txt
@@ -211,7 +211,8 @@ run CSES problems with Rust using the single schema:
                         Should return full filename with extension.
                         (default: concatenates contest_id and problem_id, lowercased)
         {ui}            (|CpUI|) UI settings: run panel, diff backend, picker.
-        {open_url}      (boolean) Open the contest url in the browser.
+        {open_url}      (boolean) Open the contest & problem url in the browser
+                        when the contest is first opened.
 
                                                              *CpPlatform*
     Fields: ~
diff --git a/lua/cp/setup.lua b/lua/cp/setup.lua
index f0001a8..6dd579f 100644
--- a/lua/cp/setup.lua
+++ b/lua/cp/setup.lua
@@ -84,7 +84,7 @@ function M.setup_contest(platform, contest_id, problem_id, language)
     start_tests(platform, contest_id, problems)
 
     if config_module.get_config().open_url and is_new_contest and contest_data.url then
-      vim.ui.open(contest_data.url)
+      vim.ui.open(contest_data.url:format(pid))
     end
   end
 
diff --git a/scrapers/atcoder.py b/scrapers/atcoder.py
index f565104..41f50ad 100644
--- a/scrapers/atcoder.py
+++ b/scrapers/atcoder.py
@@ -286,7 +286,7 @@ class AtcoderScraper(BaseScraper):
                 error="",
                 contest_id=cid,
                 problems=problems,
-                url=f"https://atcoder.jp/contests/{contest_id}/tasks",
+                url=f"https://atcoder.jp/contests/{contest_id}/tasks/{contest_id}_%s",
             )
 
         return await self._safe_execute("metadata", impl, contest_id)
diff --git a/scrapers/codeforces.py b/scrapers/codeforces.py
index 10287ae..c540ba1 100644
--- a/scrapers/codeforces.py
+++ b/scrapers/codeforces.py
@@ -202,7 +202,7 @@ class CodeforcesScraper(BaseScraper):
                 error="",
                 contest_id=cid,
                 problems=problems,
-                url=f"https://codeforces.com/contest/{contest_id}",
+                url=f"https://codeforces.com/contest/{contest_id}/%s",
             )
 
         return await self._safe_execute("metadata", impl, contest_id)
diff --git a/scrapers/cses.py b/scrapers/cses.py
index 434e8a4..b8a6145 100644
--- a/scrapers/cses.py
+++ b/scrapers/cses.py
@@ -200,7 +200,7 @@ class CSESScraper(BaseScraper):
             error="",
             contest_id=contest_id,
             problems=problems,
-            url="https://cses.fi/problemset",
+            url="https://cses.fi/problemset/task/%s",
         )
 
     async def scrape_contest_list(self) -> ContestListResult: