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This joke paper might actually be useful for you. The source code has a load of different random and near-random strategies implemented.

http://tom7.org/chess/weak.pdf

If you're on windows, you could also switch to c++ (std::ifstream supports all this natively) or use the windows API directly (CreateFile)

1.hxg7, Rg8; 2.Kb1, Rc7; 3.Kc1, R8xg7; 4. Kd1, Rh7; 5.Rg1, Rh2; 6.Ke2, Rgh7; 7.Kf1, Rh1; 8.Rxh1, Rxh1+; 9.Ke2, Rh2; 10.Kf1, Kf6 seems to win? nope. after 4 Rh7, white exchanges rooks and the impenetrable by stalemate fortress is on, as in the main line Yes - I realised this too late and couldn't ed...

Nice! Have you considered PR'ing that change to the main version?

Do any engines correctly score



to be a draw?

How about adding lots and lots of unsound pruning? For example, futility pruning with a margin of 32cp * depth, or maybe late move pruning at a low movecount at all depths, null move pruning with a very high reduction (say depth over 2), and also disable all search extensions. This also has the adva...

Is there a specification for the file format used by Syzygy which could be used to independently write probing code? Yup. Right here: https://github.com/syzygy1/tb I appreciate the effort, but there is no specification for the file format there, especially not for 7-man tablebases as the probing co...

Is there a specification for the file format used by Syzygy which could be used to independently write probing code?

I'm pleasantly surprised that Topple turned up in that paper. It's pretty funny too

I've finally got a new release together, this time with what is hopefully a significant strength increase (+100 elo?) Changelog and binaries can be found on the GitHub page: https://github.com/konsolas/ToppleChess/releases/tag/v0.5.0 I've decided to ditch Lazy SMP and instead use YBWC, as it seems t...