diff --git a/src/Player.php b/src/Player.php
index fcb7d6c..668b395 100644
--- a/src/Player.php
+++ b/src/Player.php
@@ -7,7 +7,7 @@ namespace DNW\Skills;
 /**
  * Represents a player who has a Rating.
  */
-class Player implements ISupportPartialPlay, ISupportPartialUpdate, \Stringable
+class Player implements ISupportPartialPlay, ISupportPartialUpdate
 {
     private const DEFAULT_PARTIAL_PLAY_PERCENTAGE = 1.0; // = 100% play time
 
@@ -20,7 +20,7 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate, \Stringable
     /**
      * Constructs a player.
      *
-     * @param mixed  $Id                      The identifier for the player, such as a name.
+     * @param mixed $Id                      The identifier for the player, such as a name.
      * @param float $partialPlayPercentage   The weight percentage to give this player when calculating a new rank.
      * @param float $partialUpdatePercentage Indicated how much of a skill update a player should receive where 0 represents no update and 1.0 represents 100% of the update.
      */
@@ -59,9 +59,9 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate, \Stringable
     {
         return $this->PartialUpdatePercentage;
     }
-
+/*
     public function __toString(): string
     {
         return (string)$this->Id;
-    }
+    }*/
 }
diff --git a/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php b/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
index 0ed6f33..a14e01a 100644
--- a/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
+++ b/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
@@ -7,8 +7,6 @@ namespace DNW\Skills\TrueSkill\Layers;
 use DNW\Skills\FactorGraphs\ScheduleStep;
 use DNW\Skills\FactorGraphs\ScheduleSequence;
 use DNW\Skills\PartialPlay;
-use DNW\Skills\Player;
-use DNW\Skills\Team;
 use DNW\Skills\TrueSkill\Factors\GaussianWeightedSumFactor;
 use DNW\Skills\FactorGraphs\Variable;
 use DNW\Skills\FactorGraphs\KeyedVariable;
@@ -91,7 +89,7 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
      */
     private function createOutputVariable(array $team): Variable
     {
-        $memberNames = array_map(static fn($currentPlayer): string => (string)($currentPlayer->getKey()), $team);
+        $memberNames = array_map(static fn($currentPlayer): string => (string)($currentPlayer->getKey()->getId()), $team);
 
         $teamMemberNames = \implode(', ', $memberNames);
 
diff --git a/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php b/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
index 68888a4..9c0a657 100644
--- a/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
+++ b/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
@@ -77,6 +77,6 @@ class PlayerPriorValuesToSkillsLayer extends TrueSkillFactorGraphLayer
         $parentFactorGraph = $this->getParentFactorGraph();
         $variableFactory = $parentFactorGraph->getVariableFactory();
 
-        return $variableFactory->createKeyedVariable($key, $key . "'s skill");
+        return $variableFactory->createKeyedVariable($key, (string)$key->getId() . "'s skill");
     }
 }
diff --git a/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php b/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
index 2da4e09..d7c5363 100644
--- a/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
+++ b/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
@@ -48,7 +48,7 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
 
     private function createOutputVariable(mixed $key): KeyedVariable
     {
-        return $this->getParentFactorGraph()->getVariableFactory()->createKeyedVariable($key, $key . "'s performance");
+        return $this->getParentFactorGraph()->getVariableFactory()->createKeyedVariable($key, (string)$key->getId() . "'s performance");
     }
 
     public function createPriorSchedule(): ?ScheduleSequence
diff --git a/tests/PlayerTest.php b/tests/PlayerTest.php
index 675523a..0602a4e 100644
--- a/tests/PlayerTest.php
+++ b/tests/PlayerTest.php
@@ -12,7 +12,6 @@ class PlayerTest extends TestCase
     public function testPlayerObjectGetterSetter(): void
     {
         $p = new Player('dummy', 0.1, 0.2);
-        $this->assertEquals('dummy', (string)$p);
         $this->assertEquals('dummy', $p->getId());
         $this->assertEquals(0.1, $p->getPartialPlayPercentage());
         $this->assertEquals(0.2, $p->getPartialUpdatePercentage());