Tournaments that incorporate handicap systems

A great feature of shogi is its handicap system. I am searching for ideas how this could be incorporated in unrated tournaments, so I can suggest this to the lishogi developers. How the handicap system would be assigned would depend on a player's rating or instead at the start of the tournament by having rating pools or groupings. Please respond with your comments and suggestions.

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I think the most commonly played handicap is 2-piece. But what do you suggest should be added?

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Perhaps every 100 point difference in rating would trigger the next step up the ladder in handicap. There are 23 different types of handicap in the board editor. Perhaps 4 groups of 6, so that requires a single position is in 2 groups.

100 point different - Group 1 (Computer randomly chooses from 4 starting positions with the lowest handicap)
200 point difference - Group 2 (Computer randomly chooses from 4 starting positions with the next lowest handicap)
300 point difference - Group 3 (Computer randomly chooses from 4 starting positions with higher handicap)
400 point difference and great - Group 4 (Computer randomly chooses from 4 starting positions with the highest handicap)

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