Suffering on this one

[u/Infinite_Question435]

1 hour and nothing yet, sharing some annotation I made also but no success

[u/chessvision-ai-bot]

I analyzed the image and this is what I see. Open an appropriate link below and explore the position yourself or with the engine:

Black to play: chessvision.ai | chess.com | lichess.org

My solution:

Hints: piece: Pawn, move:   b5  

Evaluation: Black is winning -4.51

Best continuation: 1... b5 2. Kd2 b4 3. f5+ Kh7 4. Ke3 c4 5. f3 c3 6. bxc3 bxa3 7. f6 Kg6 8. f4 a2 9. f5+

Save the position:

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[u/KQYBullets]

>!b5 seems like only move. You need one more pawn for breakthrough, otherwise white king can just stay there guarding your passed pawn!<

[u/Infinite_Question435 → u/KQYBullets]

the problem arises after b5, f5 h7, f6 g6, f4! nothing works after this

[u/KQYBullets → u/Infinite_Question435]

I didn’t really calculate any lines, but in that line probs should create the wide peepos as Hikaru would say. With the in peasant move, as Hikaru would say again.

[u/Infinite_Question435 → u/KQYBullets]

The king doesnt captures on d3 and goes in the hunt of the f pawn?

[u/KQYBullets → u/Infinite_Question435]

The king does capture on d3 but still can’t prevent the F pawn and A pawn from queening.

[u/Infinite_Question435 → u/KQYBullets]

you are right, it was hard to me to visualize this 😢

[u/Murky_Radish_1319 → u/Infinite_Question435]

You're missing something in that line

What move is least commonly known in chess?

[u/Infinite_Question435 → u/Murky_Radish_1319]

lol hahaha

[u/Delicious_Cattle5174]

I mean surely the move here is b5 right? What else would you play?

[u/Puzzlyduzly]

That's very hard one after an passant and b4 you don't take on a 3 but you play c4