Hi GoStudent,
In your first diagram, if you were White, and B forced you to get your ponnuki in sente, the result is very good for White.
When you jumped to
, you allowed B to connect his 
and 
stones, as he did in your diagram. If you played at 
instead (kosumi) then B could not connect and -- homework: prove to your satisfaction this is true. This way, you could fight with B; this is another option for White.Quote:
and so B1 becomes connected to the left side, significantly removing while influence.
No. You have some big misunderstanding about influence, the situation, and the value of W's ponnuki in sente. This result was very good for 
.Quote:
Maybe the real mistake is that the pincer 2 is wrong -- I am not sure.
No, again. is too close to your powerful W wall. A pincer is a good idea. Exactly where to pincer is another question. Perhaps your 
is a bit too close to your own wall (same mistake as -- too close to thickness), but this is not a mistake at your level. The idea and direction of your pincer are OK. No problem.In your second diagram, if you were
, then 
was very strange. Instead, you should've ponnuki'd in sente (!!) -- play at 
yourself -- just like in your first diagram, and the result would've been very good for .Instead of
, of course W must reply to your 
atari by extending at . Both and were big mistakes -- both of you did not understand the value of the ponnuki.__________
( Local time: Fri Dec 19, 2014. 11:53 am )
is completely wrong,
, and give up connecting to 
, yes.
is now damaged -- broken shape for W ? (See post 4, again).
kosumi (among other choices).