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December 1996's Go Answer of the Month

Dia 1 - What happened next and what happened in the end?

First fuseki

Fuseki questions...

I have been trying to find a way of studying fuseki. To that end I can heartily recommend Kiseido's "Get Strong at the Opening" as an excellent way of following through various approaches to common situations.
To assist in those studies, I have used my collection of Go Seigen games which I purchased from T. Mark Hall in Ishi format.
I have sorted those 800 games by opening move and find it interesting to see how the games turned out.

Dia 1 is an example of four games which started as shown (and a fifth which started with Black 5 at A).
Note that none of the 800 were played as Chinese fuseki!.
Anyway, what happened next and what happened in the end?

Dia 2..6 - What happened next in the five games.

I have stopped showing the moves when an involved local sequence started.

My understanding of all the literature on fuseki is that it is big to extend from / prevent an extension from a shimari such as 3, 5 by playing at (say) the mid star point on the lower side.
Only in Dia 3 does this happen. I must be missing something!

Note that the game which Black 5 was played other than as a shimari was the only game White won.

I have added anchors and links to ease scrolling through the diagrams. I recommend using them to compare adjaent fuskei, adjacent endgames or a games fuseki & endgame.

Dia 2 - White wins.

Problem This endgame Next fuseki

Black 5 makes this is the odd one out of the five games.

• Game file GO290.GO
• White: Go Seigen 6-dan
• Black: Mukai Kazuo 4-dan
• June 1936 184 moves.
• White wins by resignation.

Dia 3 - Black wins.

First fuseki This endgame Next fuseki

• Gamefile GO294.GO
• White: Go Seigen 6-dan
• Black: Onoda Chiyotaro
• 6-dan July 1936. 223 moves.
• Black wins by resignation.

Dia 4 - Black wins.

Previous fuseki This endgame Next fuseki

• Gamefile GO309.GO
• White: Go Seigen 6-dan
• Black: Iwamoto Kaoru 6-dan
• December 1936. Komi: 4 points. 242 moves.
• Black wins by 1 point.

Dia 5 - Black wins.

Previous fuseki This endgame Last fuseki

• Gamefile GO590.GO
• White: Iwata Masao (Tatsuaki) 8-dan
• Black: Go Seigen 9-dan
• December 1961. Komi: 5 points. 181 moves.
• Black wins by resignation.

Dia 6 - Black wins.

Previous fuseki This endgame First endgame

• Gamefile GO606.GO
• White: Fujisawa Hosai 9-dan
• Black: Go Seigen 9-dan
• May 1963. Komi: 5 points. 135 moves.
• Black wins by resignation.

Dia 7..11 - What happened in the end in the five games.

Note that the game which Black 5 was played other than as a shimari was the only game White won.

Exactly what all this means, I leave to the reader to decide, although email discussion is welcome.

Dia 7 - White wins.

Last fuseki This fuseki Next endgame

Black 5 makes this is the odd one out of the five games.

• Game file GO290.GO
• White: Go Seigen 6-dan
• Black: Mukai Kazuo 4-dan
• June 1936 184 moves.
• White wins by resignation.

Dia 8 - Black wins.

First endgame This fuseki Next endgame

• Gamefile GO294.GO
• White: Go Seigen 6-dan
• Black: Onoda Chiyotaro
• 6-dan July 1936. 223 moves.
• Black wins by resignation.

Dia 9 - Black wins.

Previous endgame This fuseki Next endgame

• Gamefile GO309.GO
• White: Go Seigen 6-dan
• Black: Iwamoto Kaoru 6-dan
• December 1936. Komi: 4 points. 242 moves.
• Black wins by 1 point.

Dia 10 - Black wins.

Previous endgame This fuseki Last endgame

• Gamefile GO590.GO
• White: Iwata Masao (Tatsuaki) 8-dan
• Black: Go Seigen 9-dan
• December 1961. Komi: 5 points. 181 moves.
• Black wins by resignation.

Dia 11 -Black wins.

Previous endgame This fuseki

• Gamefile GO606.GO
• White: Fujisawa Hosai 9-dan
• Black: Go Seigen 9-dan
• May 1963. Komi: 5 points. 135 moves.
• Black wins by resignation.

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