Forced mate in 11.

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Jedisson

Maybe there was a earlier mate, I don't know. Just liked it.

ChssPly76

White could have played 4. Rxd5+, both delaying pawn recapture and taking out the knight on d5 that controls the c3 square.

shoopi

Yep. And also in that line, 8... Rg2+ 9. Ke1 Qg3+ etc.