Right Fourth File Rook formation
☖ pieces in hand: –
987654321 
         1
         2
         3
         4
         5
    銀歩歩歩歩6
   歩歩 桂  7
     飛   8
        香9
☗ pieces in hand: –

In shogi, Right Fourth File Rook (右四間飛車 migi shikenbisha) is a Static Rook opening in which the rook is positioned on the fourth file if played by Black or the sixth file if played by White.

Typically, Right Fourth File Rook develops the right silver into a Reclining Silver attacking structure.

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Fortress vs Right Fourth File Rook

Main article: Fortress vs Right Fourth File Rook

Right Fourth File Rook vs Fourth File Rook

Static Rook vs Fourth File Rook
☖ pieces in hand: –
987654321 
香桂銀金王金銀桂香1
     飛 角 2
歩歩歩歩歩  歩歩3
     歩歩  4
         5
  歩    歩 6
歩歩 歩歩歩歩 歩7
 角   銀 飛 8
香桂銀金玉金 桂香9
☗ pieces in hand: –
first six moves
This section needs expansion. You can help by adding to it. (November 2016)

A Right Fourth File Rook strategy may be played against a Ranging Rook position such as Fourth File Rook. In a Right Fourth File Rook vs Fourth File Rook game, each player's rook will be directly opposing each other on the fourth file supported by attacking silvers. Below shows an example of Black's Right Fourth File Rook against White's Fourth File Rook.[1]

1. P-76 P-34, 2. P-26 P-44, 3. S-48 R-42. The first six moves are standard Static Rook vs Fourth File Rook piece development. (See: Left Silver-57 Rapid Attack vs Fourth File Rook for explication.)

4. P-46. The Right Fourth File Rook opening starts by advancing Black's fourth file pawn.[a] This allows an opening for the left silver to pass through the front line of pawns.

White's silver-54 variation

This section needs expansion. You can help by adding to it. (January 2017)

See also

Notes

  1. ^ For comparison, in typical [non-Right Fourth File Rook] Static Rook position, Black advances their central file pawn [that is, P-56] instead of the fourth file pawn.

References

  1. ^ 杉本 2003, p. 223 ff.

Bibliography

External links

Shogi Openings
Categories