to_81 is a free Chrome add-on developed by reuapl. It allows users to copy shogi game records from Shogi Wars and Piyoshogi and save them in a format that can be loaded in "81dojo" and "Kifu for" series.

This tool was created to provide a convenient way to review shogi games played on Shogi Wars. It offers two useful features:

Firstly, users can copy game records from the Shogi Wars game screen using the "Copy to Clipboard" button and then paste them into Piyoshogi using the "Paste Game Record" menu. This allows players to resume a game from a specific point or analyze it using the hints provided by Piyoshogi.

Secondly, users can save the game records as files and submit them for analysis in shogi game review services or load them into various shogi apps and the study room of 81dojo for further examination.

The latest version of to_81 (vincludes the following changes:

• When opening a game record link in Piyoshogi, the default starting position is now set to "Hirate" (standard starting position) if the handicap information cannot be obtained.
• Added the ability to copy game records to the clipboard.

to_81 is a handy tool for shogi players who want to review their Shogi Wars games or analyze them using other shogi applications and services. It simplifies the process of saving and sharing game records, making it a valuable addition to the shogi community.