Puzzle number 3 from Sai7179

Hey guys! Check out my other puzzles here: Mate in 5 puzzle - Chess Forums - Chess.com

My brilliant move - Chess Forums - Chess.com

Anyways, here is today's puzzle.

This is a tricky one, so take your time! (It's white to play and draw) Also share your answers in the chat!

Clever idea. Good connection between first and last (relevant) move!

Could you tell me what you think the answer is?

Yes I could but it wouldn't count as an achievement since I used an engine on the side. I make a habit of looking at almost all puzzle posts and will try to solve some while skipping others. There is a lot of trash on this site I don't want to waste my time on. But this one is OK and logical!

Thanks! Do you have any feedback?

I couldn't figure this one out! It seemed like in all lines Black would promote first, and I couldn't see a stalemate. I did think that after Kxb5, Kxh2, Kh6, Black would promote with check after the bishop sacrifices itself, and I think rook pawn one step from promotion versus queen is a draw.

Me! But delete the answer in case other people want to solve it.

I could not figure out why the last move was needed. The tablebase agrees with your solution, but I couldn't see why.

Of course!

Puzzle number 4 from Sai7179 - Chess Forums - Chess.com

The other puzzle for today.

It's a pretty complete endgame study though I assume the theme manifested by f3+ is not unknown. What comes to mind is that it would be nice to see the black bishop appear on f3 during the solution as a block to f2 and forcing white to come up with the goods. Haven't found that but I did find a somewhat more treacherous setup for the units on the queen side. The try is of course to promote the a-pawn and be left with the b-pawn on the wrong file for a draw!

Hey I made a mistake as white can choose between Ka6 and Kc7! So my version is withdrawn. The issue appears inherently tied to all captures on b6 but perhaps there is another exciting playout on the queen side!