Dual purpose: Make territory while attacking
We all have heard something like: "try doing double purpose moves". And, sometimes, we wonder how to do it. Dual purpose moves are made in such a way that they achieve 2 purposes (obviously), the most obvious one is to make territory or strengthen yourself while attacking a weak group from the opponent.
Yesterday I saw an interesting game on KGS between a 10k and a 11k, there was an interesting fighting early in the game which went to the center and involved one big group of each player.
All of a sudden, when the black player realises that his E9 group is alive, he decides to play from the other side. This is the result, starting at move 71:
As you can see, black managed to build a nice wall on the N column just by attacking and trying to close white. The marked wall is incredibly valuable in terms of points, though it doesn't turn everything into territory (invasion around R5 is still possible) it makes a huge influence on the marked spots.
And, minutes later black player did almost the same on the upper left corner:
As you can see, white started on R14, black pincered, white went for the corner and the following movements are more-or-less traditional response for 3-3 invasion. So, as a result, black got another wall facing his moyo (huge now) which works perfectly with his R12 stone.
If you haven't yet checked, try invading black's moyo. There isn't any obvious available invading point, as they both deffended for invasions on E17 (first white) and R5 (then Black), which surprised me quite considerably, because I expected white to invade on R5 before letting black deffend.
Here is the game if you are interested on it. There are mistakes from both players (some of them are big ones), so don't study it, but I wanted to show you this nice sample of "dual purpose" moves.
By the way, one of them asked me not to say his name, so that's why I changed the usernames.
Yesterday I saw an interesting game on KGS between a 10k and a 11k, there was an interesting fighting early in the game which went to the center and involved one big group of each player.
All of a sudden, when the black player realises that his E9 group is alive, he decides to play from the other side. This is the result, starting at move 71:
As you can see, black managed to build a nice wall on the N column just by attacking and trying to close white. The marked wall is incredibly valuable in terms of points, though it doesn't turn everything into territory (invasion around R5 is still possible) it makes a huge influence on the marked spots.
And, minutes later black player did almost the same on the upper left corner:
As you can see, white started on R14, black pincered, white went for the corner and the following movements are more-or-less traditional response for 3-3 invasion. So, as a result, black got another wall facing his moyo (huge now) which works perfectly with his R12 stone.
If you haven't yet checked, try invading black's moyo. There isn't any obvious available invading point, as they both deffended for invasions on E17 (first white) and R5 (then Black), which surprised me quite considerably, because I expected white to invade on R5 before letting black deffend.
Here is the game if you are interested on it. There are mistakes from both players (some of them are big ones), so don't study it, but I wanted to show you this nice sample of "dual purpose" moves.
By the way, one of them asked me not to say his name, so that's why I changed the usernames.
2 comments:
Well, anyway, 2-purpose-moves are the basics of playing moyo, aren't they? ^^
I have a pretty bad way of playing go. That is, I am trying to get strong at moyo, but usually I forget about the base of territory at sides ( not corners)
Well, in fact, 2-purpose-moves are expected to be played "always", but in this case it is very obvious, that's why I wanted to show it.
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