Mark II Kobayashi Formation / review With AI

Mark II Kobayashi  

This is the Mark II Kobayashi Formation facing two star points. Waltheri has 910 occurrences for it. If we combine W1 with that move being played at a, the old corner pattern of B2 to B6 accounts for 39 games.

KataGo thinks W1 (or a) is too early a move on the side, which is Leela Zeros opening gospel. Instead, as you may guess, it recommends a 3-3 invasion the upper right.

B2 is also a "mistake" and should be played as a 3-3 invasion in the upper left. W3 "fails" to take advantage of the mistake:


White should attach here and make sense of the marked stone, as we have seen in other reviews. KataGo gives White a 2.3 lead here. The struggle goes on with Black a, White b ...

Mark II Kobayashi Formation / review With AI last edited by 2a0b:f4c1:0002:0000 on September 8, 2020 - 14:12
RecentChanges · StartingPoints · About
Edit page ·Search · Related · Page info · Latest diff
[Welcome to Sensei's Library!]
Search position
Page history
Latest page diff
Partner sites:
Go Teaching Ladder
Login / Prefs
Sensei's Library