From 384de068475a56d1229ba39179a66343d4b91a1c Mon Sep 17 00:00:00 2001
From: DualFroz <me@dualfroz.com>
Date: Sun, 23 Aug 2026 15:50:00 +0200
Subject: [PATCH] feat(core): add zobrist hashing keys

---
 Zobrist.scala | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 Zobrist.scala

diff --git a/Zobrist.scala b/Zobrist.scala
new file mode 100644
index 0000000..5b62625
--- /dev/null
+++ b/Zobrist.scala
@@ -0,0 +1,9 @@
+package gambit
+
+object Zobrist:
+  private val rng = new scala.util.Random(0x9E3779B97F4A7C15L)
+
+  val pieceKeys: Array[Array[Long]] = Array.fill(15, 128)(rng.nextLong())
+  val sideKey: Long = rng.nextLong()
+  val castleKeys: Array[Long] = Array.fill(16)(rng.nextLong())
+  val epFileKeys: Array[Long] = Array.fill(8)(rng.nextLong())