[TimM]

[ QUOTE ]
is

30...Qb5
31. Bd4 Rc6

very bad for us? particularly since we are considering 30...Rc6 anyway.

[/ QUOTE ]

Yes, our king will have to walk the plank: 32.Re8+ Kh7 33.Bxc3 Rxc3 34.Qe4+ and 35.Qxh4+

[ QUOTE ]
there is also Qa5

30...Qa5
31. Bd2 Re6

[/ QUOTE ]

32.Rxe6 fxe6 33.Qf3 wins the knight.