Is this end position winning?

It was the last round of the tournament and I had 4 out of 6 games and was very tired. Here, I think White is winning but my opponent managed to convince me that this was a drawn position.

Yep, that should be a win.

How would I win it ? 

Damn,I feel upset now! ( I have no right to feel upset really. There was nothing to lose by at least giving this position a go in the tournament. In fact, I always tell myself that if you're not sure whether you can win or draw, play on until you can recognise so. This was always reinforced by the fact that my opponent offered me a draw, which should have made me suspicious. At any rate, the mentality before a game and during a game is always different.... )

When you say he "managed to convince" you that it was a draw...is that your euphemistic way of saying that you played it out and couldn't win?  Or are you saying that he actually talked you into it being a draw and you guys halved the point on move 26?

How would you win?

Just wondering, do you know the winning idea for this position?

We halved it out at move 30. He convinced me of the draw on move 30 itself.

Wow! Gee, thanks wafflemaster!

Now, let me see if I've gotten you. 
I believe what you're tryinh to tell me is that without the Bishops, White is winning and I agree. It is all very simple. We push the White King to the Queenside, get a passed pawn there. Then, of course Black's King will also be at the Queenside. At the opportune moment, we will sacrifice the (a/b) passed pawn and march our White King to gobble up the Kingside pawns. The rest should be pretty simple. 

Trouble is, why would Black trade Bishops?!

Yes, that's the idea, and it's not different with same colored bishops (if he avoids the trade as he should).  Ideally you'll create a passed pawn and when his pieces are forced to stop it from queening you can go over to the kingside and win his pawns.

The only difference that comes to mind is if you get a position like this, where your passed pawn is neutralized and you can't go to the kingside (or even attack any of his pawns with your bishop) so it's just a draw.

To avoid that kind if situation, try to avoid getting the kingside structure totally stale (no pawn breaks) and be careful when pushing the pawn in front of your king.

Yes, that's why I thought it was a draw. However, my idea is similiar to yours (except of course I have no c-pawn in the position ! ) One question though, isnt' it a draw even if the position was like this:

That is, why is the structure of the kingside pawn so important? Shouldn't it be a trival consideration?

If you weren't sure, why allow a draw in this position? That's a bigger concern than technical knowledge.

Yes, that was just plain stupidity on my part. 

(Btw it looks like 19 Qxb7 would've won.  If 19... Qe8 20 Nd6 Qd7 21 Qxd7 Nxd7 22 Nf5.)

Wow! 

Very nice!

Oh, well, yes, in this case it doesn't make much of a difference.  That's just what came to mind for some reason.  The pawns on light squares make black feel more comfortable :p

Also you're right, there's no way you would have a c pawn heh.

Yep it's a win, although not trivial because of the black king's activity.  Don't rush and remember to use the principle of two weaknesses.  If you spread out the defense then your candidate passed b-pawn will be more decisive.  Think in terms of plans, not concrete variations.  The clear and obvious goal is the creation of a passed b-pawn so b4! is a clear candidate. 

Especially when it's got an exclam after it.

Yeah but when you see a good move, look for a better one. Perhaps there's a !! move.

Hi. When I got home, I started to analyze this and I was just wondering, is it better to place the White's kingside pawns on dark squares or on light squares? 

I wanted to first create a passed b-pawn as mentioned but this is easier said than done. I tried several means. The White Bishop is well placed on e3 as it eyes c5 and I was thinking of b4 but I was scared to put my pawns on dark squares (although sooner or later, I eventually have to do this.)

Thanks very much!