From fed695e76d70b296cb6085b651b0f29ab66e7a1a Mon Sep 17 00:00:00 2001
From: melvin <melvinzhang@gmail.com>
Date: Wed, 29 Jan 2014 17:26:19 +0800
Subject: [PATCH] add comments about input format

---
 exp/whr.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/exp/whr.rb b/exp/whr.rb
index cf885c68cb..2fdc59bcf9 100755
--- a/exp/whr.rb
+++ b/exp/whr.rb
@@ -1,5 +1,9 @@
 #!/usr/bin/env ruby
 
+# read from stdin lines in the following format:
+# # <player0 name> <player1 name> <winner>
+# # where <winner> is 0 if player0 wins and 1 if player1 wins
+
 require 'whole_history_rating'
 
 # w = 0 for static ratings aka bayeselo
@@ -12,7 +16,7 @@ ARGF.each do |line|
     winner = 
         if (tokens[2] == "0") 
             "B" 
-        else 
+        else (tokens[2] == "1") 
             "W"
         end
     @whr.create_game(tokens[0], tokens[1], winner, 0, 0)