Update README.md

README.md

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 # chess
+![Archived](https://img.shields.io/badge/status-archived-lightgrey)
 [![Build and Test](https://github.com/notnil/chess/actions/workflows/build-and-test.yaml/badge.svg)](https://github.com/notnil/chess/actions/workflows/build-and-test.yaml)
 [![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://godoc.org/github.com/notnil/chess)
 [![Coverage Status](https://coveralls.io/repos/notnil/chess/badge.svg?branch=master&service=github)](https://coveralls.io/github/notnil/chess?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/notnil/chess)](https://goreportcard.com/report/notnil/chess)
 [![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/notnil/chess/master/LICENSE)
 
+## Archived
+
+This repository has been archived due to the inability to continue addressing bug fixes and feature requests. Fortunately, another maintainer has graciously stepped up to carry the baton and ensure that chess remains accessible via the Go programming language.
+
+We recommend that all users follow the new repository for ongoing development and updates:
+
+👉 https://github.com/corentings/chess
+
 ## Introduction
 
 **chess** is a set of go packages which provide common chess utilities such as move generation, turn management, checkmate detection, PGN encoding, UCI interoperability, image generation, opening book exploration, and others.  It is well tested and optimized for performance.