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Aurelian Florea wrote on Wed, Sep 14, 2016 05:17 PM UTC:

H.G.,

About the pawn, this pawn is slightly weaker than in capablanca as it takes slightly longer to promote, not a big deal, if it's a passed pawn will eventually queen. But there is also a strengthening effect as it can promote at rank 8 to rook (well to a plethora of pieces but the best choice is usually rook). I have no clue how to evaluate this effect but it shouldn't be much as early under promotions will not happen often, I raise that matter because it's specific to those two games.

On the matter of archbishop+pawn there is no reason to doubt you, but I honestly don't know how to normalize everything. There is also no reason to think queens have different strengths between to two games for example. and what about the situation (admittedly rare) R+3P VS archbishop, point being is hard to find a balance.

I'd be honored if you take your time and put forward some values of your own, or on the other hand put some values at first glance.

I think in these cases machine learning could tune very well values, I've read an article somewhere on atomic chess and other games but I can't find it now.

And it doesn't have to be a 1dimesional value an archbishop could worth 10.5 in an A+P vs Q ending and 9.5 in a R+3P vs A ending. I don't know.

You were correct on yesterday assessment that the game is tedious. It takes a lot of time to reach endgame, actually in all cases I ended games through small blunders of pieces in early or late middle game. It became obvious IMO who'll win. :) At least it's not Taikyoku shogi I doubt anyone started that one, finishing it is out of question I guess.


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