Even on the highest caliber games "blunders" are often the decisive factor. It's just the higher the level, the more non-obvious the blunders are. But even whe

Even on the highest caliber games "blunders" are often the decisive factor. It's just the higher the level, the more non-obvious the blunders are. But even when playing with novices.kids, the aspect of double-attack/defense appears quite often. It's very basic and common consideration really.