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One could make the argument that the 4 pawns on the top row should be promoted, but other than that, 16 white pieces with none attacking each other, with proper bishop placement.

From the bottom up: Three rows of 8 black queens One row of black pawns One row of white pawns Three rows of white queens 224. Because the black pawns attack down and the white pawns attack up, the …

Following @Konstantin Pfennig's answer, using black and white queens, and squeezing in more, I have:

I found a 10 queen answer. I realized that d'alar'cop's reasoning was slightly off, because threatening is part of the puzzle, so 8 wasn't necessarily a limit. With the 8 inner queens in this position …

Update: This problem can be simplified in the following way: For an $n x n$ board where $n$ is even, make $\frac{n}{4}$ squares that are $2 x 2$. This has $\frac{n^2}{2}$ horizontal and $\frac{n^2} …

Update: I was looking through old puzzles and saw this one and was always annoyed I couldn't get a 14th queen. So I found a way. 14 queens: Original Answer: I've managed 13 queens. I started in one c …

I found it very hard to only control each square once. Any attempt at limiting the physical number of pieces was turning into an issue. I suspect this can be beaten, but I can manage the whole board i …

Although I like my first answer, I did also wonder how good I could manage with black and white in their normal positions. The best I've gotten so far uses 16 queens, 4 rooks, 4 bishops and 4 pawns. …

I've been trying to beat the benchmark for a couple of days, and I have not been able to. However, I can tie it.

Having tried various options to get below 9 points, I've been very successful in forcing a checkmate with The end goal is to get black into a position where: Initially, I expect that black will veto …

I can manage 34. I haven't gotten better than that. 4 rooks, 14 pawns. 34.

The lone pawn in the previously accepted answer bugged me, so I tried replacing it with a knight and moving some pieces around. I now have: Here's the board

I started with a different tactic than the first answer and made it to the same result, but between studying his and tweaking mine, I have now managed The game: General comments on strategy and whet …

This question: How can 3 queens control the white squares? got me thinking... What is the fewest number of queens needed to attack every white square? Rules: Only queens allowed Every white square is …

For reference: One-sided chess: Can you stalemate yourself? Goal: Set up all the white pieces so that no piece has a legal move, as close as possible to a reachable position. … Since captures and promotions are part of a regular game of chess, there is a minimal penalty for each: 1 point per promotion or capture. …