The Go Diagram Player for 'Life in 19x19' is a Chrome add-on developed by oca. It is a free program that falls under the category of Browsers and the subcategory of Add-ons & Tools.

This plugin is specifically designed for users of the Life in 19x19 forum, which is dedicated to the Game of GO. The Go Diagram Player allows users to place moves on GO diagrams within the forum. It enhances the user experience by providing a convenient and interactive way to analyze and discuss game strategies.

With the Go Diagram Player, users can easily navigate through diagrams using the newly added previous and next buttons. This feature enables seamless movement between different game positions, making it easier to follow and study game progressions.

Overall, the Go Diagram Player for 'Life in 19x19' is a valuable tool for GO enthusiasts who want to enhance their forum experience and engage in in-depth game analysis.