diff --git a/src/wasm.rs b/src/wasm.rs
index 1614613..985bcb6 100644
--- a/src/wasm.rs
+++ b/src/wasm.rs
@@ -9,6 +9,19 @@ use crate::game::Game;
 #[wasm_bindgen]
 pub struct GameWasm(Game);
 
+#[derive(Serialize, Deserialize, Tsify)]
+#[tsify(from_wasm_abi)]
+pub enum ResponseType {
+    OK,
+    ERR,
+}
+
+#[derive(Serialize, Deserialize, Tsify)]
+#[tsify(from_wasm_abi)]
+pub struct MyResult<E> {
+    response_type: ResponseType,
+    value: E,
+}
 
 #[derive(Deserialize, Tsify, Copy, Clone)]
 #[tsify(from_wasm_abi)]
@@ -70,11 +83,55 @@ impl GameWasm {
             }
         }
 
-        board_instance.receive_play(played_letters)?;
+        match board_instance.receive_play(played_letters) {
+            Err(e) => {
+                return Ok(serde_wasm_bindgen::to_value(
+                &MyResult {
+                    response_type: ResponseType::ERR,
+                    value: e
+                }).unwrap());
+            },
+            Ok(_) => {}
+        }
 
-        let result = board_instance.calculate_scores(self.0.get_dictionary())?;
+        #[derive(Debug, Serialize, Deserialize, Tsify)]
+        #[tsify(from_wasm_abi)]
+        struct WordResult {
+            word: String,
+            score: u32,
+        }
 
-        Ok(serde_wasm_bindgen::to_value(&&result.1).unwrap())
+        let result = board_instance.calculate_scores(self.0.get_dictionary());
+        let result = match result {
+            Ok(x) => {
+                let words: Vec<WordResult> = x.0.iter()
+                    .map(|(word, score)| {
+                        WordResult {
+                            word: word.to_string(),
+                            score: *score
+                        }
+
+                    })
+                    .collect();
+                //let total_score = x.1;
+
+                serde_wasm_bindgen::to_value(
+                &MyResult {
+                    response_type: ResponseType::OK,
+                    value: words
+                }).unwrap()
+
+            },
+            Err(e) => {
+                serde_wasm_bindgen::to_value(
+                &MyResult {
+                    response_type: ResponseType::ERR,
+                    value: e
+                }).unwrap()
+            }
+        };
+
+        Ok(result)
 
     }
 }
\ No newline at end of file
diff --git a/ui/src/elements.tsx b/ui/src/elements.tsx
index 1a8ad90..60ab153 100644
--- a/ui/src/elements.tsx
+++ b/ui/src/elements.tsx
@@ -1,5 +1,5 @@
 import * as React from "react";
-import {GameWasm, Letter as LetterData, PlayedTile, Tray} from "word_grid";
+import {GameWasm, Letter as LetterData, MyResult, PlayedTile, Tray, WordResult} from "word_grid";
 import {createRoot} from "react-dom/client";
 import {Children, useMemo, useReducer, useState} from "react";
 
@@ -141,8 +141,23 @@ export function Game(props: {wasm: GameWasm}) {
                 return null;
             });
 
-            const result = props.wasm.receive_play(playedTiles, false);
+            const result: MyResult<Array<WordResult> | string> = props.wasm.receive_play(playedTiles, false);
             console.log({result});
+
+            if(result.response_type === "ERR") {
+                alert(result.value);
+            } else {
+
+                let total_points = 0;
+                for (let word_result of (result.value as Array<WordResult>)) {
+                    total_points += word_result.score;
+                }
+
+                alert(`You would score ${total_points} points.`);
+            }
+
+
+
         }}>Check Submission</button>
     </>;