Junisen Simulator is a browser add-on for Chrome that simulates the ranking matches in Shogi, the Japanese chess game. This free program allows users to predict the outcomes of unplayed matches based on the players' ratings.

With Junisen Simulator, users can input the ratings of the players and generate a match schedule. The program then predicts the results of the unplayed matches, providing a simulated ranking table. This can be a valuable tool for Shogi enthusiasts who want to analyze different scenarios and predict the impact of potential match outcomes on the rankings.

The program has undergone several updates to enhance its functionality. The latest version, V1.5, includes improvements such as better handling of inconsistent player name spellings and changes in the method of retrieving ratings. Overall, Junisen Simulator is a useful tool for Shogi players and enthusiasts who want to explore different ranking scenarios.