diff --git a/src/main/c/Minesweeper/minesweeper_start.c b/src/main/c/Minesweeper/minesweeper_start.c
index 4a0c0e7..9122211 100644
--- a/src/main/c/Minesweeper/minesweeper_start.c
+++ b/src/main/c/Minesweeper/minesweeper_start.c
@@ -27,6 +27,7 @@ void draw_minesweeper(Minesweeper_Board *board);
 int open_tile(Minesweeper_Board *board, int tile);
 int number_of_bombs(Minesweeper_Board *board, int tile);
 void open_empty_space(Minesweeper_Board *board, int tile, int index);
+int is_Valid_tile(Minesweeper_Board *board, int tile, int i);
 #pragma endregion
 
 #pragma region Global
@@ -223,15 +224,8 @@ int open_tile(Minesweeper_Board *board, int tile){
 int number_of_bombs(Minesweeper_Board *board, int tile){
     int sum = 0;
     for(int i = 0; i < 8; i++){
-        int check_tile = tile;
-        if(i < 3){if(tile % board->width == 0){continue;}
-        else{check_tile -= 1;}}
-        if(i > 4){if(tile % board->width + 1 == board->width){continue;}
-        else{check_tile += 1;}}
-        if(i % 3 == 0){if(i != 0 && tile / board->width == 0){continue;}
-        else{check_tile -= board->width;}}
-        if(i % 3 == 1){if(tile / board->width + 1 == height){continue;}
-        else{check_tile += board->width;}}
+        int check_tile = is_Valid_tile(board, tile, i);
+        if(check_tile == -1){continue;}
         if(array_contains_value(board->bombs, check_tile, board->num_bombs)){sum++;}
     }
     return sum;
@@ -239,19 +233,27 @@ int number_of_bombs(Minesweeper_Board *board, int tile){
 
 void open_empty_space(Minesweeper_Board *board, int tile, int index){
     board->tiles[tile] = EMPTY;
-    board->marked[index++] = tile;
+    board->marked[index] = tile;
     for(int i = 0; i < 8; i++){
-        int check_tile = tile;
-        if(i < 3){if(tile % board->width == 0){continue;}
-        else{check_tile -= 1;}}
-        if(i > 4){if(tile % board->width + 1 == board->width){continue;}
-        else{check_tile += 1;}}
-        if(i % 3 == 0){if(i != 0 && tile / board->width == 0){continue;}
-        else{check_tile -= board->width;}}
-        if(i % 3 == 1){if(tile / board->width + 1 == height){continue;}
-        else{check_tile += board->width;}}
+        int check_tile = is_Valid_tile(board, tile, i);
+        if(check_tile == -1){continue;}
         int sum = open_tile(board, check_tile);
         if(sum != 0){board->tiles[check_tile] = sum + 48;}
-        else if(!array_contains_value(board->marked, check_tile, index)){open_empty_space(board, check_tile, index);}
+        else if(!array_contains_value(board->marked, check_tile, index + 1)){open_empty_space(board, check_tile, index + 1);}
     }
+}
+
+int is_Valid_tile(Minesweeper_Board *board, int tile, int i){
+    int check_tile = tile;
+    
+    if(i < 3){if(tile % board->width == 0){return -1;}
+    else{check_tile -= 1;}}
+    if(i > 4){if(tile % board->width + 1 == board->width){return -1;}
+    else{check_tile += 1;}}
+    if(i % 3 == 0){if(i != 0 && tile / board->width == 0){return -1;}
+    else{check_tile -= board->width;}}
+    if(i % 3 == 1){if(tile / board->width + 1 == height){return -1;}
+    else{check_tile += board->width;}}
+
+    return check_tile;
 }
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