diff --git a/codewars/7kyu/money-match-double-or-nothing/koronya.js b/codewars/7kyu/money-match-double-or-nothing/koronya.js
new file mode 100644
index 000000000..da5a5ba27
--- /dev/null
+++ b/codewars/7kyu/money-match-double-or-nothing/koronya.js
@@ -0,0 +1,16 @@
+// [JS][7kyu] Money Match: Double or Nothing
+// money-match-double-or-nothing
+// https://www.codewars.com/kata/5d378318e04cd7001ad72a27/train/javascript
+
+const doubleOrNothing = (cash, wager, losses) => {
+  const loss = wager * 2 ** (losses - 1)
+  return loss > cash ? "I'll pay you back later" : cash - loss
+}
+
+doubleOrNothing(12, 2, 3) === 4
+doubleOrNothing(1124, 2, 10) === 100
+doubleOrNothing(45, 1, 7) === "I'll pay you back later"
+doubleOrNothing(100, 5, 5) === 20
+doubleOrNothing(67, 4, 4) === 35
+doubleOrNothing(538, 6, 4) === 490
+doubleOrNothing(480, 30, 5) === 0