Loss generally occurs when a player overrates his advantage or for other reasons seeks to derive from a minute advantage a great return such as a forced win.
Emanuel LaskerVanity should never tempt a player to engage in a combat at the risk of loss of health. It is bad enough to lose without the additional annoyance of paying doctors' bills.
Emanuel LaskerThe most intelligent inspection of any number of fine paintings will not make the observer a painter, nor will listening to a number of operas make the hearer a musician, but good judges of music and painting may so be formed. Chess differs from these. The intelligent perusal of fine games cannot fail to make the reader a better player and a better judge of the play of others.
Emanuel LaskerOn a motif such as was indicated by Reti one cannot build the plan of a whole well contested game; it is too meagre, too thin, too puny for such an end. Reti's explanations, wherever they are concerned with an analysis which covers a few moves, are correct and praiseworthy. But when he abandons the foundations of analysis in order to draw too bold, too general a conclusion, his arguments prove to be mistaken.
Emanuel Lasker