--- a/rps3.erl	Wed Feb 26 02:23:06 2014 +0900
+++ b/rps3.erl	Wed Feb 26 02:28:07 2014 +0900
@@ -3,17 +3,17 @@
 
 get_rules() -> [rock, paper, scissors].
 
-beats(C) ->
-    beats(C, get_rules()).
+beats(H) ->
+    beats(H, get_rules()).
 
-beats(C, [C|Tail]) ->
+beats(H, [H|Tail]) ->
     lists:last(Tail);
 
-beats(C, [B,C|_]) ->
+beats(H, [B,H|_]) ->
     B;
 
-beats(C, [_|T]) ->
-    beats(C, T).
+beats(H, [_|T]) ->
+    beats(H, T).
 
 test_beats() ->
     lists:foreach(