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Interactive Deep Analysis (IDeA)

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IDeA works similar to the way experienced players analyze with the assistance a chess playing engine. They normally don't run the analysis of the same position for an extended period of time because they know that each additional iteration (ply) at least doubles the analysis time. Instead they move relatively quickly through the most likely variations to see where they lead to. Of course they use the chess engine to check the moves they make to ensure that there are no mistakes. They are most interested in the position at the end of each variation and use it to evaluate the whole variation. Analyzing a variation will also require the analysis of alternatives, which they in turn evaluate in the same way. Working like that, the chess master slowly builds up a tree of variations until he feels that he has a good understanding of the position and all its nuances. That's exactly the same as IDeA does. After analyzing a position it makes the best move it has found and then searches for the best move in the new position. Sometimes it backtracks and searches for alternatives, just like the chess master, and gradually builds an analysis tree in the same way as the master.

IDeA can either work unattended or guided by the user. Lower rated players can learn a lot about the position by seeing how IDeA evaluates their suggested alternatives. More experienced and higher rated the players will gain much from focusing the analysis on the moves and variations that they consider best.

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