*My current benchmark standard is Conceptis's "Absolutely Nasty Kakuro - Level 4". Unlike Sudoku., I wanted to try the commercial website you mention, but only a few "easy" or "very easy" puzzles are available unless you register.*

It'd also be nice to have the puzzles named some way, so that we can refer to them without having to post them.

You weren't unlucky; even I find the hard puzzles readily solvable, and I am not the worlds greatest Kakuro solver.

Even more so, since I can't use a pencil and eraser on my PC.

The books are good value, 128 puzzles at about 20c each ($25).

It'd also be nice to have the puzzles named some way, so that we can refer to them without having to post them. to what Conceptis uses for their kakuro books, at least, their puzzles and mine have lots of similar attributes.

## Balanced Scorecard Research Paper - Kakuro Research Paper

Including the fact their hards and my hards aren't very hard for a seasoned solver. I am also trying to develop Kakuro generating software, and am also familiar with Conceptis puzzles. PS: You must have also noticed, as I have, how very little information about puzzle-generation there is available in the public domain.The generator is still very much a WIP, so we'll see if I can't crank up the difficulty a bit. My first instinct for the next step was to put in randomly generated sums and then try solving.That didn't yield very good results so instead I fill the grid with a valid solved state, calculate the sums from that, and try solving.In general my generator's puzzles are a fair bit easier than an ATK puzzle of the same difficulty.It doesn't use surface sums at all right now, which is the main thing that I could add to make puzzles harder.However I have encoded one example from that book (which I've been using to test my solver), so I can display it here in text form.This is the format used by a free solver that I obtained (from here) .one with a unique solution) are infinitesmal for any decent grid size.For example, just with a small grid of 10x10, I ran the naive-model random generator for several hours without even coming close to unqueness! However, based on the way top-down Sudoku generators work, I imagine all the generators start by choosing grid size, then pattern of black/white cells ...That'd certainly be an interesting step to add them. Do you first generate a grid of back cells and then try to find sums fitting them?I think you could have a database of already generated puzzles (like atk),with a classification corresponding to the result of generation (and not to a max allowed during the generation process - a max that, most of the time, cannot be effectively reached by the result, for statistical reasons).

## Comments Kakuro Research Paper

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