diff --git a/src/arcaea_offline/calculate/__init__.py b/src/arcaea_offline/calculate/__init__.py
index 29356f7..6ac8f2e 100644
--- a/src/arcaea_offline/calculate/__init__.py
+++ b/src/arcaea_offline/calculate/__init__.py
@@ -1,2 +1,2 @@
 from .b30 import calculate_b30, get_b30_calculated_list
-from .score import calculate_potential, calculate_score_range, calculate_shiny_pure
+from .score import calculate_play_rating, calculate_score_range, calculate_shiny_pure
diff --git a/src/arcaea_offline/calculate/score.py b/src/arcaea_offline/calculate/score.py
index 03e9afc..e9b05a2 100644
--- a/src/arcaea_offline/calculate/score.py
+++ b/src/arcaea_offline/calculate/score.py
@@ -22,8 +22,10 @@ def calculate_score_modifier(score: int) -> Decimal:
         return Decimal(score - 9500000) / 300000
 
 
-def calculate_potential(_constant: float, score: int) -> Decimal:
-    constant = Decimal(_constant)
+def calculate_play_rating(
+    constant: Union[Decimal, str, float, int], score: int
+) -> Decimal:
+    constant = Decimal(constant)
     score_modifier = calculate_score_modifier(score)
     return max(Decimal(0), constant + score_modifier)
 
@@ -35,7 +37,7 @@ def calculate_shiny_pure(notes: int, score: int, pure: int, far: int) -> int:
 
 
 @dataclass
-class ConstantsFromPotentialResult:
+class ConstantsFromPlayRatingResult:
     EXPlus: Tuple[Decimal, Decimal]
     EX: Tuple[Decimal, Decimal]
     AA: Tuple[Decimal, Decimal]
@@ -44,8 +46,8 @@ class ConstantsFromPotentialResult:
     C: Tuple[Decimal, Decimal]
 
 
-def calculate_constants_from_potential(potential: Union[Decimal, str, float, int]):
-    potential = Decimal(potential)
+def calculate_constants_from_play_rating(play_rating: Union[Decimal, str, float, int]):
+    play_rating = Decimal(play_rating)
 
     ranges = []
     for upperScore, lowerScore in [
@@ -58,6 +60,8 @@ def calculate_constants_from_potential(potential: Union[Decimal, str, float, int
     ]:
         upperScoreModifier = calculate_score_modifier(upperScore)
         lowerScoreModifier = calculate_score_modifier(lowerScore)
-        ranges.append((potential - upperScoreModifier, potential - lowerScoreModifier))
+        ranges.append(
+            (play_rating - upperScoreModifier, play_rating - lowerScoreModifier)
+        )
 
-    return ConstantsFromPotentialResult(*ranges)
+    return ConstantsFromPlayRatingResult(*ranges)
diff --git a/src/arcaea_offline/calculate/world_step.py b/src/arcaea_offline/calculate/world_step.py
index ee28fc8..8c64179 100644
--- a/src/arcaea_offline/calculate/world_step.py
+++ b/src/arcaea_offline/calculate/world_step.py
@@ -6,15 +6,15 @@ class PlayResults:
     def __init__(
         self,
         *,
-        potential: Union[Decimal, str, float, int],
+        play_rating: Union[Decimal, str, float, int],
         partner_step: Union[Decimal, str, float, int],
     ):
-        self.__potential = potential
+        self.__play_rating = play_rating
         self.__partner_step = partner_step
 
     @property
-    def potential(self):
-        return Decimal(self.__potential)
+    def play_rating(self):
+        return Decimal(self.__play_rating)
 
     @property
     def partner_step(self):
@@ -119,7 +119,7 @@ def calculate_step_original(
     partner_bonus: Optional[PartnerBonus] = None,
     booster: Optional[StepBooster] = None,
 ):
-    ptt = play_results.potential
+    ptt = play_results.play_rating
     step = play_results.partner_step
     if partner_bonus:
         partner_bonus_step = partner_bonus.step_bonus
@@ -150,7 +150,7 @@ def calculate_step(
     return round(play_result_original, 1)
 
 
-def calculate_potential_from_step(
+def calculate_play_rating_from_step(
     step: Union[Decimal, str, int, float],
     partner_step_value: Union[Decimal, str, int, float],
     *,
@@ -169,7 +169,7 @@ def calculate_potential_from_step(
     if partner_bonus and partner_bonus.step_bonus:
         step -= partner_bonus.step_bonus
 
-    potential_sqrt = (Decimal(50) * step - Decimal("2.5") * partner_step_value) / (
+    play_rating_sqrt = (Decimal(50) * step - Decimal("2.5") * partner_step_value) / (
         Decimal("2.45") * partner_step_value
     )
-    return potential_sqrt**2
+    return play_rating_sqrt**2