It appears to be designed as a way of improving one's endgame - never used it myself though I have used a similar program called Icare. Google search icare othello should find a copy.
I think its a good programme even if it is a bit confusing with its layout etc.
But yes LJ, similar to use as Zebra.
The skill test is 50 games which are half way through, you have 20 seconds to decide where to move. The programme decides how many discs yo uwould lose going by the single move on each game, and any that you take too long it also deducts 15 or 20 discs I think.
I didnt do too well on my first and only try while getting used the programme layout and lost 162 discs LOL
But hope to improve now I can use it better ;oÞ
There are also 6000 or more random partly played games for you to finish and get ranked by your finishing. So as Arnie says, it should help endgames.