why can't move tower

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ernestocalderon
Why can't move tower in this [Event "ernestocalderon vs. VAR_SHA"] [Site "Chess.com"] [Date "2022-07-13"] [White "ernestocalderon"] [Black "VAR_SHA"] [Result "0-1"] [WhiteElo "195"] [BlackElo "291"] [TimeControl "blitz"] [Termination "Victoria de VAR_SHA por tiempo"] 1. e4 e5 2. Bc4 g5 3. Qh5 Nh6 4. Qxf7+ Nxf7 5. Bxf7+ Kxf7 6. Nf3 g4 7. Nd4 exd4 8. c3 dxc3 9. f3 cxb2 10. Bxb2 gxf3 11. Nc3 fxg2 12. Rg1 Qg5 13. Kf2 Bc5+ 14. Kf3 Bxg1 15. Rxg1 d6 16. Rxg2 Qe5 17. d4 Qxd4 18. Nd5 Qd3+ 19. Kf2 Rf8 20. Rg7+ Ke6+ 0-1
GlueBeaker

Can you send game link?

Habanababananero

My guess without seeing any of it is that the Rook is pinned

GlueBeaker

Same.

Shakaali

Do you mean the final position? If yes, then it is because your king is in check (the + symbol in the final move 20... Ke6+) although you should have on legal move with the rook left (parrying the check with 21. Rf7).