Originally posted by clandarkfireHmmmm... I suppose a 1700 player could pull this win off. Virtually all possible endings with 6 or fewer pieces on the board (up to KKXXXX) have been solved and one place to see exactly how to win with KBN vs K, although it would be cheating, is
Here's another one I found: Game 7004487
I see the artist has been banned though; I'd don't know why.
http://www.shredderchess.com/online-chess/online-databases/endgame-database.html
I just tried a few KBN-K starting positions and they were all wins in less than about 30 moves.