4 votes

Komoku-Oogeima joseki order variation

1 and 2 are "honte" moves. They result in solid positions as they remove all aji from the marked stones, but are not mandatory. $$cm1 $$ +---------------------------------------+ $$ | . . . . . . . ....
Christophe's user avatar
  • 1,061
2 votes
Accepted

Overplay in orthodox fuseki - Leela AI fails miserably?

W1 should be N11, then black dies, I'd claim from memory. W1 at R13 is probably not a complete disaster in itself, but O12 should then be O11, or maybe P10 should be O10. That would force black to ...
mafu's user avatar
  • 6,972
1 vote

Having started a small avalanche, what does one do with an undefended cutting stone?

9 looks like a severe mistake to me. White may simply capture the single stone and be satisfied, like this: $$B Simple punishment $$ ........- $$ ....Ob..- $$ ....XO..- $$ ..1.XO..- $$ ...XOX2.- $$ .....
mafu's user avatar
  • 6,972
1 vote

Why is this NOT joseki?

The problem with W4 is that it is a "slow," non-forcing move that gives Black many options. Some of those have been covered by other answers, but one good move is P17 (one right of 2) that gives Black ...
Tom Au's user avatar
  • 21.8k
1 vote

Why is this NOT joseki?

White 4 gives black another chance to reinforce the corner (at a or b), as it doesn't put much pressure on 3: $$ ---------- $$ ..........| $$ ..........| $$ ..3.2.....| $$ ...4..1...| $$ ..........| $...
Christophe's user avatar
  • 1,061

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