Chessmaster 4000 Turbo -

This version was the first in the series to support Modem and LAN play , allowing users to compete over local networks or online. Core Gameplay & Features

The game featured the debut of the "The King" chess engine , developed by Johan de Koning, which was praised for its aggressive and human-like playstyle. Chessmaster 4000 Turbo

It introduced an intuitive interface with dropdown menus, customizable 2D/3D boards, and "smart controls" that automatically selected moves when only one piece could reach a target square. This version was the first in the series

The software included a library of 500 recreated classic matches and a comprehensive collection of common opening sequences for study. developed by Johan de Koning