Casting bug, or I'm missing something

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yanivsag
On the following position, my opponent castle, although my f4 bishop is attacking the castling path:

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Qf3 e6 6.Bd3 Qxd4 7.c3 Qd8 8.Bf4 Bg6 9.O-O-O Qa5 10.a3 Nd7 11.Ne2 O-O-O
*

What am I missing?

Thanks,
Yaniv
bightigh
The king is not moving through check.

Your rook can move through checks, but the king cannot.
ChessOfPlayer

Chess.coms system is always fine for live games so you missed something.

yanivsag
Awesome, thanks Bightigh