Qe5+ Ka6.

It wasn't taken from a game. It was composed from scratch by Chesthetica, but thanks. :)

No, sorry. After 2. Nh3 Nxd5.

Nice try, but incorrect. 1. Ra6+ Bxa6!

You could also use this site:

Your key (fist) move is wrong, I'm afraid. Try it against an engine and you'll see. The link to the engine is in the post (just below the board).

After 1. Kh1 Bxd2, it's probably a draw.

The key move is wrong. Black can extend to a mate in 4 with several replies to it (using the bishop).

Yes, but that's 5 moves, not 3.

You can also click the FEN (4RrB1/5pk1/6p1/6nQ/6KN/8/8/8 w - - 0 1) under the board to analyze the different lines and responses.

Thank you. These are actually "chess constructs", a type of chess problem. You can also read about them on ChessBase or just google the term. I believe a 'cook' refers to the key move whereas

Thanks!

Thanks for the offer, but I don't actually play chess on Steemit. Do enjoy the chess problems, though.

No, sorry.

Do try some of the other puzzles (which you might find more challenging).

Very interesting. Thanks.

No, sorry.

It's mine.

These are chess puzzles. Composing one takes effort. Fortunately, a computer can do them now.

Yes, you can check out the ChessBase news articles linked here: Specifically, you can also read this paper: