anchor.diff:  { stdenv, pkgconfig, zlib, qtbase, qtsvg, qttools, qtmultimedia, qmakeHook, fetchurl }:
   stdenv.mkDerivation rec {
     name = "chessx-${version}";
  -  version = "1.3.2";
  +  version = "1.4.0";
     src = fetchurl {
       url = "mirror://sourceforge/chessx/chessx-${version}.tgz";
  -    sha256 = "b136cf56d37d34867cdb9538176e1703b14f61b3384885b6f100580d0af0a3ff";
  +    sha256 = "1x10c9idj2qks8xk9dy7aw3alc5w7z1kvv6dnahs0428j0sp4a74";
     };
     buildInputs = [
      stdenv
  
positive.code:     description = "ChessX allows you to browse and analyse chess games";
      license = licenses.gpl2;
      maintainers = [maintainers.luispedro];
      broken = true;
    };
  }
  
negative.code: 
    enableParallelBuilding = true;
    installPhase = ''
        runHook preInstall
        mkdir -p "$out/bin"
        mkdir -p "$out/share/applications"
        cp -pr release/chessx "$out/bin"
        cp -pr unix/chessx.desktop "$out/share/applications"
        runHook postInstall
    '';
  
    meta = with stdenv.lib; {
  