Apologies if this has been discussed elsewhere but a couple of times I have played a game in which my opponent has placed a stone on the very edge of the board as an invasion. Every time I have had it used against me I have been kind of stumped as to how to respond. My instinct is obviously to want to kill the silly lonely stone on the edge of the board and so far away from its friends. . . In this effort I have tried both attaching to it directly and surrounding it from afar but everytime the kill has eluded me and my opponent has been able to make the stone live. . .
You can see an example here of what I mean (move 24) https://online-go.com/game/22756525
Is it a specific type of play?
Is there a correct or ‘standard’ way to deal with this type of invasion?
Is the lone stone on the edge of the board killable or is it an invasion method that I should accept as sharing and simply try to reduce the damage to get the most?
If it is a viable invasion method why is it not used more?
Any help you can give is appreciated.