Life In 19x19

Uberdude wrote:I wondered why Iyama played 125 as he did, what was wrong with kosumi?

You mean W126? Without W126, black C10 can create a ko? At that stage, ko fighting is not good for white because his bottom group is not settled and black always has 4 big ko threats against white's top group.

macelee wrote:

Shenoute wrote:I'll have to go back and study this one, when I watched black had (what seemed to me to be) some floating stones after reducing white in the bottom left and there was a multistep ko that didn't look promising. I thought that it wasn't going well for him and yet he won.

The multistep ko is the key! I have the impression that whoever tries to settle the ko first is in a disadvantage.

Yes, but wasn't the ko direct for white? So what did he gain with the three moves he could play elsewhere? As I said, I have to study that, I feel this could help me better understand ko fights as a whole.

I uploaded the game from go4go to this new gokibitz.com site where we can discuss the game:

https://gokibitz.com/kifu/Ek-iSJtJ-

Can anyone explain what happened at the beginning of this game? It seemed Iyama Yuta played really poorly during the fuseki and made some mistakes. He got pushed down at the top early. And then after he invaded the upper right corner, rather than connect outside underneath reducing black's corner to almost nothing, he decides to instead cut black from connecting to his wall on the outside, black gets a 15 point corner which he wouldn't have got if he was forced to connect to the outside. Iyama let black build up a stronger and more solid moyo early on and continued to play slow defensive moves that didn't yield much when compared to what black was building and gaining.