diff --git a/go/src/go.gleam b/go/src/go.gleam
index 2f783d7..19678b1 100644
--- a/go/src/go.gleam
+++ b/go/src/go.gleam
@@ -21,12 +21,19 @@ pub fn apply_rules(
   rule3: fn(Game) -> Result(Game, String),
   rule4: fn(Game) -> Result(Game, String),
 ) -> Game {
-  case rule2(game) |> rule1 |> result.try(rule3) |> result.try(rule4) {
-    Error(err) -> Game(..game, error: err)
-    Ok(g) ->
-      case g.player {
-        Black -> Game(..g, player: White)
-        White -> Game(..g, player: Black)
-      }
+  game
+  |> rule1
+  |> result.map(rule2)
+  |> result.try(rule3)
+  |> result.try(rule4)
+  |> fn(result) {
+    case result {
+      Error(err) -> Game(..game, error: err)
+      Ok(g) ->
+        case g.player {
+          Black -> Game(..g, player: White)
+          White -> Game(..g, player: Black)
+        }
+    }
   }
 }