Do not simply Google the keyword. Use the following structured query in your browser:
site:web.archive.org "IMC" "Immortal Chess" "forum" index.html
You may not get the .txt directly, but you will get the original forum. Once there, look for a stickied thread titled "The Great Migration" or "The Offline Archive." The link to the .txt file is often hidden in the last post of that thread.
Believe it or not, the complete IMC archive (2.4 GB) has been seeded on the Library of Congress’s private torrent network and on niche trackers like ChessTorrents (private). Search for "Immortal Chess Forum Archive.torrent". The .txt file containing the direct chess links is almost always included in the torrent download. Chess IMC Immortal Chess Forum Link txt
(Links are internal to the Immortal Chess Forum archive) Do not simply Google the keyword
Warning: Scammers have created fake "IMC link txt" files that contain malware or simply redirect to ad farms. The genuine community is secretive. Here are the legitimate methods to find the real asset: Warning: Scammers have created fake "IMC link txt"