ftp.nice.ch/pub/next/games/board/NeXTchess.1.52.s.tar.gz#/Chess-6/Chess_main.m

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/*
 *     Generated by the NeXT Interface Builder.
 */

#import "Chess.h"
main()
{
  NXApp = [Chess new];
  [NXApp setAppName:"Chess"];
  [NXApp loadNibSection:"Chess.nib" owner:NXApp];
  [NXApp newGame: NXApp];
  [NXApp run];
  [NXApp free];
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.