Senseis teaching ladder game 1 - about 10k

   

Invade lower side or play sth like q6???

Please comment!

[Diagram]

Position at move 39, black to move


Rubyflame (10k): I might try R5. White will want to respond, perhaps with a two-space extension along the bottom, and then black makes some nice side territory.

Move in game was r7

HolIgor: There is no space at the bottom to make a lot of territory for black. In that case simple erasure is OK. There is no way to prevent white from getting some points in the corner. I would not like to let white to get a large territory at the bottom. I have to keep in mind that the attack on the white's centre group is possible. I'd play q4. r5 is not bad too, r7 is tepid in my opinion.

IanDavis: I wonder if there is an arguement for pressing the weakish group first before this play? Can black first play around (say) h14 ? I think in general I'd be drawn to the bottom corner first though.

[Diagram]

Erasure of the bottom.

White has to push with W4 because allowing black to bend (magari) here would be painful.


[Diagram]

Moyo?

This does look OK for black, but pushing along the fourth line?


[Diagram]

Position at move 39, black to move

Charles I might play this way. B1 and B3 are nice plays anyway. And at this point White isn't quite sure of the corner, yet.


[Diagram]

Topping the tree

Bill: I like B1. White's group is attackable, for now. Strike while the iron is hot. Urgent plays before big plays.

This kind of boshi is called topping the tree.


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