I think that most of us would say that a game of chess ought to be drawn; and that when a game is not drawn you should expect to be able to find an error in the loser's play. There doesn't seem to be any real prospect of proving this - chess remains too big to be solved - but for practical purposes I think it's more or less certain. Surely noone has ever lost a game and afterwards considered that they played perfectly, that they wouldn't change any move, that they lost because - well, because black is lost? That being so, I suppose that all defeats are self-inflicted: no matter how brilliant your opponent, the bottom line is that you lose because you play bad moves. Some defeats, though, are more self-inflicted than others. Today's game is another Kan. This time out I had read some of Hellsten's book - but 5. Be2 doesn't show up until page 300 and I certainly hadn't got that far. So playing on my own, again, I had reached a cramped but tenable posi...