diff --git a/lib/chessBoard.ts b/lib/chessBoard.ts
new file mode 100644
index 0000000..8a812fd
--- /dev/null
+++ b/lib/chessBoard.ts
@@ -0,0 +1,24 @@
+function chessBoard(size: number) {
+  let output = "";
+  let sizeV = size;
+
+  for (let h = 1; h <= size; h++) {
+    const isEven = h % 2 === 0;
+
+    for (let v = 1; v <= sizeV; v++) {
+
+      if (isEven) {
+        output += v % 2 !== 0 ? "#" : " ";
+      } else {
+        output += v % 2 === 0 ? "#" : " ";
+      }
+
+      if (v === sizeV) output += "\n"
+    }
+
+  }
+
+  console.log(output)
+}
+
+chessBoard(8);