Its a 58 player live £100 freezeout with 6 players left and here are the approximate stacks:
seat 1 - 65k
seat 2 - 89k
seat 3 - 65k
seat 4 - 23k - button
me - 21k - small blind 2k
seat 6 - 20k - big blind 4k
prize structure is:
1st - £2250
2nd- £1250
3rd- £750
4th- £400
5th- £350
6th- £300
I have had virtually no premium hands, but portrayed a tight image only showing down 3 or so hands all tourney and have never been behind. I have only played 2 or 3 hands at the final table of 9. The assumption is that the remaining players are all competent.
Everyone folds round to me in the small blind and i have

.
I push him all in. Would you class this as a mistake/advocate different play?