value changes

src/logic/future_moves.rs

@@ -192,13 +192,11 @@ impl FutureMoves {
                     .rev() // rev then reverse so we get an index starting from the back
                     .enumerate()
                     // since children are sorted by value, we should weight the first one more
-                    .map(|(i, &child)| self.arena[child].value * (i as i64 + 1))
-                    .sum::<i64>()
-                    .checked_div((&self.arena[idx]).children.len() as i64)
-                    .unwrap_or(0);
+                    .map(|(i, &child)| self.arena[child].value * (i as i128 + 1))
+                    .sum::<i128>();
 
                 self.arena[idx].value =
-                    self.arena[idx].self_value / (depth as i64 + 1) + children_value;
+                    (self.arena[idx].self_value / (depth as i64 + 1)) as i128 + children_value;
             }
         }
     }