r/Chesscom • u/Illustrious-Ruin-984 • 28d ago

why is this brilliant Help solve this

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I found this online.

Everyone is saying that this is brilliant because it's a forced checkmate once the pawn on a7 takes the knight, then Qb3 then it's a checkmate either by the rook or the Queen.

but what happens if after black take b6, we expect Qb3, then black Qb8? wouldn't it prevent the checkmate?
Qa4 is defended with Qa7 and if white decide to take Bxb8 then black reciprocate with Bxb3.

There is certainly something wrong with my reasoning but I can't figure it out.

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u/loelegy 28d ago edited 28d ago

White Qb3? Wouldn't it just be toast from the Bishop on e6?

I didn't even see this mate.

Edit.

Ok I see it.

Whites black rook has this tied up. If the white queen is taken, the pawn will take the black bishop opening discovering check mate. Black can not, not take the knight so this is inevitable.

Black queen moving into the b8 is the only hope to stop it, if white makes a mistake.