diff --git a/src/Player.php b/src/Player.php
index 173e8d2..a0995b2 100644
--- a/src/Player.php
+++ b/src/Player.php
@@ -137,12 +137,14 @@ class Player extends PlayerModel
         $opponents = 0;
         foreach ($this->getPairings() as $pairing) {
             if (array_search($pairing->getResult(), Constants::Notplayed)) {
+                $opponentElo = $pairing->getOpponent()->getElo('home');
+                $opponentElo = $opponentElo != 0 ? $opponentElo : $this->getUnratedElo();
                 if (array_search(self::Won, $pairing->getResult())) {
-                    $total += $pairing->getOpponent()->getElo('home') + 400;
+                    $total += $opponentElo + 400;
                 } elseif (array_search(self::Lost, $pairing->getResult())) {
-                    $total += $pairing->getOpponent()->getElo('home') - 400;
+                    $total += $opponentElo - 400;
                 } elseif (array_search(self::Draw, $pairing->getResult())) {
-                    $total += $pairing->getOpponent()->getElo('home');
+                    $total += $opponentElo;
                 }
                 $opponents++;
             }