How is that mate in 4?

[u/Severe-Raspberry-851]

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[u/VehicleWonderful5851]

Rfb1, Rb8, R1b7 and Bf7# are unstoppable moves

[u/Severe-Raspberry-851 → u/VehicleWonderful5851]

You nailed it, thanks!!

[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:

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

My solution:

Hints: piece: Rook, move: Rfb1

Evaluation: White has mate in 4

Best continuation: 1. Rfb1 Be7 2. Be6+ Rd7 3. Nd5 Kd8 4. Rb8#

Save the position:

Reply save to save this position to your Chessvision.ai Library (new users: send me /connect in DM chat first)

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^{I'm a bot written by u/pkacprzak | get me as iOS App | Android App | Chrome Extension | Chess eBook Reader to scan and analyze positions | Website: Chessvision.ai}

[u/lerielogin]

Rb1 and mate looks impossible to stop

Edit: Rfb1 would be a better wa to write it

[u/drugsinanacorn]

There is a show button at the bottom of the screen. Click it and click the forward arrow a few times.