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3-3 Point Invasion
Path: InvasionItinerary · Prev: AutomaticInvasionAtThe34Point · Next: 44Point33InvasionJoseki
Keywords: Joseki
The information on this page is meant for weaker kyu players. Stronger kyu and dan players are advised to look at 4-4 point 3-3 invasion joseki instead.
Many weak players fear the invasion of
Nevertheless, Black should welcome this invasion. Black shouldn't see this move as an attack on Black's territory; the 4-4 point is not meant to take the corner, but to make thickness and seek a balance between territory and influence. The white invasion at
Prevention
The usual way to prevent the 3-3 point invasion is a stretch at
Invasion Joseki
To
Next, White plays hane at
White could also attack the black stones at the left with these moves. Either way, White has destroyed Black's thickness, and has good chances of getting even more. This joseki has a few variations, most of them designed to give Black the possibility of ending in sente. If you want to look at them, see 4-4 point 3-3 invasion joseki.
Scartol: I apologize if this seems like a facile question, but I'm starting to get into the 3-3 invasion, and I don't know what I'm doing.
Suppose Black plays the low hane instead of the high with
Bill: I think that usually Adamzero: For Black to make that hane is unreasonable. It could lead to many possible results, three of which I've shown, and none of which are any good for Black.
The first diagram lets White make territory on the fourth line and leaves Black with tons of cutting points.
The second diagram lets White live easily and get the aji of the clamp at a or, considering the strength of White's corner, the cut at b or the hane at c if Black responds to protect at d.
The third diagram leaves Black with even more cutting points, and Black cannot prevent White from using at least one of them, if desired. JamesA: Sorry, Adamzero, but I'm not sure your analysis is correct!
I think
White can play at 10, eliminating the cut at b in your diagram, and taking away the value of c. Black is now thick on the outside - I think this position is OK for Black. The clamp at a is a gote endgame move; if Black answers with d, White must then play e. This is only big if Black tries to make territory at the top.
Bill Spight: White can cut at d instead, and Black has no ladder.
This sequence is more or less the same as the last. Black should finish up with
Dieter 1d:
In answer to Bill: That is joseki?
How about
After
Dieter: you are right Bill, I was confusing with this line of play.
Agt: What if Black plays 1 instead of 3 - Should White play 3 then ? Andre Engels: For White to play at 3 is a possibility: whether it is good depends on the situation. White is giving away the corner for a position on the side. One cannot in general say which is better. In many cases the best answer to Black 1 would be the docile response at 2. If Black next plays at 4, White plays at 3, and has a better result than by answering at 3 immediately (White almost is guaranteed two eyes already). If instead Black switches to 3 like here, capturing with White 6 provides better shape than the normal joseki would do. mat Very often I ask myself if a 3-3 point invasion still works in the presence of more than one black stone. I've set up a page to discuss which of those work and which don't: 3-3 Point - When Does It Work
This is played often against me, and I do not know how to punish it correctly. Playing on the 1-6 point next to unkx80: This is joseki. The follow-up is White b, Black a, White c. petervessenes: If White b, Black c, White a is a fantastic move, worth many many points. A ponnuki here is quite a bit of influence, and guarantees territory on the bottom as well.
12k Josh Larson
Charles Matthews See 4-4 point 3-3 invasion double hane for these lines. Authors: Andre Engels, Adamzero, JamesA Path: InvasionItinerary · Prev: AutomaticInvasionAtThe34Point · Next: 44Point33InvasionJoseki This is a copy of the living page "3-3 Point Invasion" at Sensei's Library. ![]() |