From 68f8c1fc66aba287ee42810652df699da46cc4bf Mon Sep 17 00:00:00 2001
From: Ryan Burns <rtburns@protonmail.com>
Date: Fri, 4 Jun 2021 01:57:42 -0700
Subject: [PATCH] stockfish: 12 -> 13

---
 pkgs/games/stockfish/default.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/games/stockfish/default.nix b/pkgs/games/stockfish/default.nix
index ef9c7fbe4d64..b09dc523d1ac 100644
--- a/pkgs/games/stockfish/default.nix
+++ b/pkgs/games/stockfish/default.nix
@@ -12,13 +12,13 @@ let
            if stdenv.isi686 then "x86-32" else
            if stdenv.isAarch64 then "armv8" else
            "unknown";
-    version = "12";
+    version = "13";
 
-    nnueFile = "nn-82215d0fd0df.nnue";
+    nnueFile = "nn-62ef826d1a6d.nnue";
     nnue = fetchurl {
       name = nnueFile;
       url = "https://tests.stockfishchess.org/api/nn/${nnueFile}";
-      sha256 = "1r4yqrh4di05syyhl84hqcz84djpbd605b27zhbxwg6zs07ms8c2";
+      sha256 = "0qsy9rr4zgxrpgwhwbi96z01a2560am2b00q2klbj4bd39nq5vv2";
     };
 in
 
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "https://github.com/official-stockfish/Stockfish/archive/sf_${version}.tar.gz";
-    sha256 = "16980aicm5i6i9252239q4f9bcxg1gnqkv6nphrmpz4drg8i3v6i";
+    sha256 = "0qhxp2w543psanzhzn8jhfafx8aip57v9nsvafbwa5xynchlgl8m";
   };
 
   # This addresses a linker issue with Darwin