Yamajunn's Basic Shogi Opening


Yokofutori


Index of this page

(1)A beginneing  of  Yokofutori
(2)YokofutoriNi-San Fu  gata
(3)Ai Yokofutori
(4)Yon-Go Kaku senpou
(5)Kuchu senpoulines

(a)NAITOU ryu San-San Kaku senpou


(b)Yokofutori  NAKAHARA ryu


(c)CHUZA  Bisha senpou


(d) otherKuchu senpou related  lines


(6)YokofutoriSan-San Kei senpou
(7)other lines



(1) A beginneing  of  Yokofutori

(diagram 1)


moves  up  to  the  diagram 1
1.P-7f   P-3d  
2.P-2f   P-8d
3.P-2e   P-8e  
4.G-7h   G-3b  
5.P-2d   Px2d  
6.Rx2d  
(diagram 1)

InYokofutori  games both players  open  their  Bishop  line  and  advance  their  Rook  Pawns .After  moving  up  the  left  Gold , Sente  exchanged  the  2nd  file  Pawn .

After diagram 1 , Gote  has  2  chices ; 6...P*2c  and   6...P-8f .


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(2) Yokofutori ; Ni-San Fu  gata

(diagram 2)


After thediagram 1
6...P*2c  
7.Rx3d   Bx8h+  
8.Sx8h   B*2e  
(diagram 2)

Gote  drops  a  Pawn  with  6...P-2c , and  Sentecaptures  the  3d-Pawn . This  capturing  Pawn  with  7.R2dx3d  is  usually  called     "Yokofutori"  or "Yokofudori" . After  exchanging  the  Bishops  , Gote  drops a Bishop  with  8...B*2e  attacking  the  3d-Rook .

After  the  diagram 2 , Sente  will  sacrific  his  Rook  with  9.Rx3b+ or  back  the  Rook  with  9.R-3f .

This  line  is  the  begining  of  Yokofutori  Ni-San Fu gata .


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(3) Ai Yokofutori

(diagram 3)


after  thediagram 1
 6...P-8f  
 7.Px8f   Rx8f  
 8.Rx3d   Bx8h+  
 9.Sx8h   Rx7f  
(diagram 3)

After  the  8th  file  Pawn  exchange , Sente  captures  the  3d-Pawn .

Gote needs  the  Bishop  exchange  , beforecapturing  the  7f-Pawn . If  Gote  captures  the 7f-Pawn  without  the  Bishop  exchange , Gote  willlose  an  advantage . (please see  my blog ;Yamajunn's Shogi opening traps)

This  line  is  called  Ai Yokofutori.

After  the  diagram 3 , Sente  will protect  the  7h-Gold  with 10.S-7g or 10.N-7g .


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(4) Yon-Go Kaku senpou

(diagram 4)


after  the  diagram 1
6...P-8f  
7.Px8f   Rx8f  
8.Rx3d   Bx8h+  
9.Sx8h   P*2h  
10.Sx2h   B*4e  
(diagram 4)

Replying  Sente's  Pawn  capturing  with  8.Rx3d ,Gote  exchanges  the  Bishops and sacrifices a  Pawn  with  9...P*2h . Sente  captures  the  2h-Pawn  and  Gote  drops a Bishop  with  10...B*4e .

This  line  is  called  Yokofutori;Yon-Go Kakusenpou.


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(5)Kuchu senpou lines

(diagram 5)


after  the  diagram 1
6...P-8f  
7.Px8f   Rx8f  
8.Rx3d   B-3c  
(diagram 5)

8...B-3c  is  a  beginning  of  Kuchu senou .Kuchusenmeans  "an airfight" .Kuchu senpouis  alsocalled  "Yokofutori  San-San Kaku senpou" .

Kuchu senpouhas  3  major  lines  and  other  minor  lines .

(a)NAITOU ryu San-San Kaku senpou

(diagram 5-1)


after  the  diagram 5
 9.R-3f   R-8d  
10.R-2f   S-2b  
11.P*8g   K-5b  
(diagram 5-1)

This  line  is  the  original  of  Kuchu senpou .

(b)Yokofutori NAKAHARA ryu

(diagram 5-2)


after  the  diagram 5
 9.R-3f   R-8d  
10.R-2f   S-2b  
11.P*8g   K-4a  
(diagram 5-2)

(c)CHUZA  Bisha

(diagram 5-3)


after  the  diagram 5
 9.R-3f   S-2b  
10.P*8g   R-8e  
11.R-2f   K-4a  
(diagram 5-3)


(d) other lines
There  are  some  additional  lines  in  Kuchusenpou ;AONO  ryu,YAMASAKI  ryu.


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(6) Yokofutori San-San Kei senpou

(diagram 6)


after  the  diagram 1
6...P-8f  
7.Px8f   Rx8f  
8.Rx3d   N-3c  
(diagram 5)

Yokofutori  San-San Kei senpou starts  with  Gote's  left  Knight  jump  with  8...N-3c . This  line  has  some  rought lines  and  other  quiet  lines .


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(7) other lines

Yokofutori opening has  some  other  relativelyminor  lines .

Yokofutori 9...B*3c line

(diagram 7-1)


after  the  diagram 1
6...P-8f  
7.Px8f   Rx8f  
8.Rx3d   Bx8h+  
9.Sx8h   B*3c
(diagram 7-1)

Gote simeply  drops his  Bishop  with  9...B*3c andaims  at  8h-Silver .

This line has no established  name . In this page  Icall  this  line , "Yokofutori  9...B*3c line" .  This  line appears  only  among  some  amateur  shogi  players .

Yokofutori  9...P*3h line

(diagram 7-2)


after  the  diagram 1
6...P-8f  
7.Px8f   Rx8f  
8.Rx3d   Bx8h+  
9.Sx8h   P*3h
(diagram 7-2)

Gote drops his Pawn with  9...P*3h . Sente will  capture  this  Pawn  with  10.Sx3h . And  Gote willcontinue  attacking  with  dropping  his  Bishop  on3c or 4d square .

This line also  has no established name . In thispage  I call this line , "Yokofutori  9...P*3h line" .
This  line  is  very  rare  among  professional  Shogi  players .


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related my sites
  1. Yamajunn's ShogiNews
  2. Yamajunn's ShogiKakoi &Castlecollection
  3. Wikishogi byyamajunn
  4. Yamajunn's ShogiOpening Traps
  5. Yamajunn's ShogiBook review

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