ChessTool PGN is a free computer software that can read and write chess games in Portable Game Notation (PGN) format. It allows users to manage their database of chess games stored in PGN files.

Based on the Portable Game Notation Specification and Implementation Guide, ChessTool PGN allows you to administer your chess game files, amend the same, or even create new ones. The application lets you read the games and notations on a chess board, amend existing games or create new ones, and even configure the position as per your preference.
ChessTool PGN has a user-friendly interface with a simple design that allows you to add new games or amend existing ones with ease. You can effortlessly export graphic images of the board, export items, introduce comments in the movements and notation NAG (Numeric Annotation Glyph), automatically assign codes like ECO (the name of opening and variation according to the Encyclopaedia of Chess Openings) and NIC (New in Chess) for the variations and subvariations, promote these, and establish the main variation.
Overall, ChessTool PGN is a fantastic tool for managing and handling portable game notation files, and installation is extremely easy. Best of all, it is completely free to use, making it accessible to everyone interested.
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