From 9d21ca12cb187f8f0068c50ba7b4443743d6a457 Mon Sep 17 00:00:00 2001
From: betbetter <edward@betbetter.world>
Date: Fri, 13 Nov 2026 23:20:30 +0000
Subject: [PATCH] Ajouter marge

---
 marge.js | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 marge.js

diff --git a/marge.js b/marge.js
new file mode 100644
index 0000000..900df6d
--- /dev/null
+++ b/marge.js
@@ -0,0 +1,5 @@
+// Calcul de la marge d'un bookmaker
+function marge(cotes) {
+  return cotes.reduce((s, c) => s + 1 / c, 0) - 1;
+}
+module.exports = marge;