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... snip and it does now appear that Kg7 may offer stiffer resistance as it delays mate by one move ( Nf6 Kg7 Kh7 Nh5! - now Kg7 leads to shorter mate and Bc2 will mate. Perhaps this was the reason why van Breukelen delayed publishing it for so long? So technically it's a mate-in-14 ( hopefully I'm...

This is NOT a troll , it is a position from a game played by in the 40'. Can any engine find the best and only winning move here? I left Stockfish 13 NNUE for 6 hours and is still looking for the best move, probably somebody with a super fast Machine 6 to 8 times faster than my intel i7 4770 3.40 G...

It looks like Stockfish has found a solution to a position that was thought to be a fortress a few years ago. It finds a different key move that it seems to think wins. Here is the position that was posted in this forum about 4 years ago where the key move was thought to be 1.Nxc7: 8/2p2kb1/np1p2p1...

When will a new version of Hiarcs be released.

It was planned to be released in 2019, then in 2020 and then in Spring 2021.

And now? What is the latest state?

.... Paloma, por favor no llame a nadie estupido, ( Please do NOT call anybody here on this Forum Stupid ) When you know it, why do you then asserted Hobacle's solution is not right and Tarrasch would play better because it will NOT block its pieces? Hobacle you should try to play a few games again...

peter wrote: ↑

Tue Apr 06, 2021 10:01 am

....
If you understood this one maneuvre (which I have to admit, I didn't see by myself for a while neither) you know, why the whole study is a forced win of Black's.
...

??
forced win for White !

Hobacle you should try to play a few games against Tarrasch Toy Engine rated 1450, it will NOT block its pieces Ha Ha Ha :roll: :mrgreen: :roll: are you stupid ? Your 12. Nxf4 Bxf4 13. Kxf4 is a big mistake! exchange of free white Night against free black Bishop is WRONG And if this one free black ...

The End of the solution can be this: [Event "?"] [Site "?"] [Date "2021.04.02"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "5b1k/2N1p1p1/2K1PpP1/8/8/7p/5p1p/5Nbr w - -"] 1. Nb5 f5 2. Nd4 f4 3. Kd7 f3 4. Nf5 Kg8 5. Ke8 Kh8 6. Nh6 gxh6 7. Kxf8 h5 8. g7+ Kh7 9. g8=Q+ Kh6 10. Qg7...

The End of the solution can be this: [Event "?"] [Site "?"] [Date "2021.04.02"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "5b1k/2N1p1p1/2K1PpP1/8/8/7p/5p1p/5Nbr w - -"] 1. Nb5 f5 2. Nd4 f4 3. Kd7 f3 4. Nf5 Kg8 5. Ke8 Kh8 6. Nh6 gxh6 7. Kxf8 h5 8. g7+ Kh7 9. g8=Q+ Kh6 10. Qg7#...