got fritz?
I need a free chess program that I can use to practice the knight + bishop mate

That seemed a little unnecessarily hostile.
Chess.com has lists of downloadable resources -- here's the list for engines:
http://www.chess.com/downloads/playing+programs+engines

That seemed a little unnecessarily hostile.
Chess.com has lists of downloadable resources -- here's the list for engines:
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Ouch! My ears hurt. Stop "helling"

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That's a bit harsh. We've had people asking truly stupid questions and holding the same polls every week. If someone asks a legimate question it's hardly trolling.
Eo___: you can try this one: http://www.chessvideos.tv/endgame-training/bishop-knight-checkmate.php

That's a bit harsh. We've had people asking truly stupid questions and holding the same polls every week. If someone asks a legimate question it's hardly trolling.
Eo___: you can try this one: http://www.chessvideos.tv/endgame-training/bishop-knight-checkmate.php
I think it's harsh too, I think it's good that E0___ is asking this question.

I might. Who knows? Besides, learning to mate with K + B is also a good way of learning to effectively attack and defend with those 2 pieces.
Here's my opinion:
You will very likely NOT ever see this endgame. I'm sure few people have ever had to play this endgame before. I'm not sure of the percentage, but Silman in Silman's Complete Endgame Course says that few GMs ever see it in their chess career (in case you're wondering, he doesn't cover this endgame). Nonetheless, I suppose that knowledge of the endgame certainly can't hurt you.
Why not just break out an analysis board and try out the different options? If you know how to deal with the king running one way, you can make it run the other way on your board and see if you can find an answer to that as well.

Here's my opinion:
You will very likely NOT ever see this endgame. I'm sure few people have ever had to play this endgame before. I'm not sure of the percentage, but Silman in Silman's Complete Endgame Course says that few GMs ever see it in their chess career (in case you're wondering, he doesn't cover this endgame). Nonetheless, I suppose that knowledge of the endgame certainly can't hurt you.
Why not just break out an analysis board and try out the different options? If you know how to deal with the king running one way, you can make it run the other way on your board and see if you can find an answer to that as well.
The most recent reference I saw to this was GM Frn. Vallejo Pons (from Spain coincidentially) that had to play this endgame in a tournament a few months ago against an IM and to make matters worse he had 40 seconds on his clock (with very low increment maybe 2 seconds) as opposed to the opponets 3 minutes. You can find the video on youtube. Pons actually manages to pull it off and mate the enemy for the full point. They give a brief interview after the game.
I've played against this site's computer but the king always runs towards the edges, which is a scenario that I know how to handle. I need to play against a computer where the king runs towards the center of the board and avoids the edges at all costs.