Double Ranging Rook
{{Short description|Shogi opening}}
In shogi, Double Ranging Rook (also Double Swinging Rook, Mutual Swinging Rook) (相振り飛車 ai-furibisha) is a class of Ranging Rook openings in which both players choose a Ranging Rook position.
The term does not apply when one player (or both) moves their rook to their respective fourth or third files (Right Fourth File Rook, Sleeve Rook) as these are still considered to be Static Rook positions.
Double Ranging Rook games were relatively rare compared with Double Static Rook and Static Rook vs Ranging Rook games. However, more recently, they have gained in popularity somewhat as Fairbairn noted in the 1980s.
The most often played game among professionals is Black's Opposing Rook vs White's Third File Rook.
{{shogi-stub}}
Opposing Rook vs Third File Rook
{{shogi diagram
| floatright
| Opposing vs Third
| –
| lg | ng | sg | gg | kg | gg | sg | ng | ls
| | ras| lra| lra| lra| rat| rgl| bg |
| pg | pg | pg | pg | pg | pg | dah| pg | pg
| | | | | | | pg | |
| | | | | | | | |
| | | ps | ps | | | | |
| ps | ps | uah| uah| ps | ps | ps | ps | ps
| | bs | | | | | | rs |
| ls | ns | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
1. P-76 P-34.
2. P-66.
2...R-32.
{{clear}}
=Opposing Rook's early eighth pawn advance variation=
{{Expand section|date=March 2017}}
3. B-77.
=Opposing Rook's left silver development=
{{Expand section|date=March 2017}}
3. S-78.
==Third File Rook's Mino castle with delayed 35 pawn push variation==
{{shogi diagram
| floatright
| Opposing vs Third
| –
| lg | ng | kg | gg | |ddlh| | ng | ls
| | | sg |dulh| gg |ddlh| rg | bg |
| pg | pg | pg | pg | sg | pg | | pg | pg
| | | | | pg | | pg | |
| | ps | | | | | | |
| | uat| ps | ps | | | | |
| ps | uas| bs | ss | ps | ps | ps | ps | ps
| | rs |durh| | gsl| ks | | |
| ls | ns | |durh|durh| gs | ss | ns | ls
| –
|
}}
{{Expand section|date=March 2017}}
3...K-62.
4. S-67.
4...S-72. Here White starts to create the Mino castle structure giving up the possibility of making a Bear-in-the-hole castle.
5. B-77. Moving up the bishop to the seventh file allows a space on the 88 square for the rook to move to. Additionally, the bishop needs to be defended by the left knight as left silver and left gold will eventually be moved to different locations.
5...K-71. The king hunkers down.
6. R-88.
6...S-42.
7. P-86.
7...P-54.
8. P-85.
8...S-53.
9. K-48.
9...G49-52.
9. G69-58.
{{clear}}
===Transpositions===
The opening position above can be reached by different move sequences, some of which are shown below.
:
| Black
| White | style="padding-left: 2.5em;" | | Black | White | |||||
| 1. | P-76 | P-34 | P-76 | P-34 | |
| 2. | P-66 | R-32 | P-66 | P-56 | |
| 3. | B-77 | K-62 | S-78 | S-42 | |
| 4. | S-78 | S-72 | S-67 | S-53 | |
| 5. | S-67 | K-71 | B-77 | R-32 | |
| 6. | R-88 | S-42 | R-88 | K-62 | |
| 7. | P-86 | P-54 | P-86 | S-72 | |
| 8. | P-85 | S-53 | P-85 | K-71 | |
| 9. | K-48 | G49-52 | K-48 | G41-52 | |
| 10. | G69-58 | G69-58 |
==Third File Rook's early 3e pawn push variation==
{{Expand section|date=March 2017}}
Double Opposing Rook
{{Expand section|date=March 2017}}
Third File Rook vs Third File Rook
{{Expand section|date=March 2017}}
Third File Rook vs Opposing Rook
=Ishida vs Opposing Rook Early P14=
{{Col-begin | width=auto | class=floatright}}
{{Col-2}}
{{shogi diagram
| floatright
| Ishida vs Opposing
| –
| lg | ng | sg | gg | kg | gg | ss | ng | lg
| | rg | | | | | | bg |
| pg | pg | pg | pg | pg | pg | | pg | dah
| | | | | | | pg | | pgl
| | | ps | | | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | bs | | | | | | rs |
| ls | ns | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
{{Col-2}}
{{shogi diagram
| floatright
| Ishida vs Opposing
| –
| lg | ng | sg | gg | kg | gg | | ng | lg
| | | | | | sg | | rg |
| pg | pg | pg | pg | | pg | | |
| | | | | pg | bg | pg | | pg
| | | ps | | | | | pg |
| | | | ps | | | | | ps
| ps | ps | | ss | ps | ps | ps | ps |
| | bs | rs | | | ksl| | ss |
| ls | ns | | gs | | gs | | ns | ls
| –
|
}}
{{Col-end}}
{{Expand section|date=January 2018}}
1. P76 P34, 2. P75. Ishida position by Black.{{cite book | last=髙﨑 [Takazaki] | first=一生 [Issei] | year=2015 | title=わかる!勝てる!!: 現代相振り飛車 | author-link=Issei Takazaki | publisher=マイナビ出版 | isbn=978-4-8399-5469-7}}
2...P14. White's early edge pawn push.
Black closing their bishop diagonal and aims for the Gold Excelsior castle.
{{clear}}
{{Col-begin | width=auto | class=floatright}}
{{Col-2}}
{{shogi diagram
| floatright
| Ishida vs Opposing
| –
| lg | ng | | gg | kg | gg | | | lg
| | | sg | | | sg | | rg |
| pg | pg | pg | pg | | pg | ng | |
| | | | | pg | bg | pg | | pg
| | | ps | | | | | dah|
| | | | ps | | | | pgl| ps
| ps | ps | | ss | ps | ps | ps | ps |
| | bs | rs | | gs | | ks | ss |
| ls | ns | | | | gs | | ns | ls
| –
|
}}
{{Col-2}}
{{shogi diagram
| floatright
| Ishida vs Opposing
| 歩
| lg | ng | | gg | kg | gg | | rg | lg
| | | sg | | | sg | | |
| pg | pg | pg | pg | | pg | ng | |
| | | | | pg | bg | pg | | dah
| | | ps | | | | | | pgl
| | | | ps | | | | | ps
| ps | ps | | ss | ps | ps | ps | ps |
| | bs | rs | | gs | gs | ks | ss |
| ls | ns | | | | | | ns | ls
| –
|
}}
{{Col-end}}
White aims for a Mino castle and develops the left knight for attacking.
A left edge attack may be possible for White.
Game example: Toshiaki Kubo vs Hisashi Namekata's Meijin ranking tournament on March 15, 2015.{{cite web | url=https://shogidb2.com/games/a5a4c4c8b8f04d995c15ce9e5bebfc4659d8dfca | title=久保利明 vs. 行方尚史 順位戦 }}
{{clear}}
Fourth File Rook vs Third File Rook
{{Expand section|date=March 2017}}
Fourth File to Third File Rook
{{Expand section|date=April 2017}}
4→3戦法
The player starts off playing a Fourth File Rook position with an open bishop diagonal that then transitions to a Third File Rook position after the player moves their king into an Incomplete Mino castle. This strategy is flexible to be used against a Ranging Rook opponent (for a Double Ranging Rook game) as well as against a Static Rook opponent.
Fourth File Rook vs Fourth File Rook
{{Expand section|date=March 2017}}
See also
References
Bibliography
- {{cite book | last=Fairbairn | first=John | title=Shogi for beginners | year=1986 | edition=2nd | publisher=Ishi Press | isbn=978-4-8718-720-10}}
- Fujii, Takeshi 2007 相振り飛車を指しこなす本. Vol. 1.
- Fujii, Takeshi 2007 相振り飛車を指しこなす本. Vol. 2.
- Fujii, Takeshi 2008 相振り飛車を指しこなす本. Vol. 3.
- Fujii, Takeshi 2008 相振り飛車を指しこなす本. Vol. 4.
- {{cite book | last=Hosking | first=Tony | title=The art of shogi | year=1996 | publisher=The Shogi Foundation | isbn=978-0-95310-890-9}}
- {{cite book | last=Kitao | first=Madoka | author-link=Madoka Kitao | title=Joseki at a glance | year=2011 | publisher=Nekomado | translator-last=Kawasaki | translator-first=Tomohide | isbn=978-4-9052-2501-0}}
- {{cite book | last=将棋世界 [Shōgi Sekai] | title=相振り飛車: 常識の手筋 | year=2016 | publisher=マイナビ出版}}
- {{cite book | last=所司 [Shoshi] | first=和晴 [Kazuharu] | author-link=Kazuharu Shoshi | year=2014 | title=早分かり: 相振り飛車定跡ガイド | publisher=マイナビ出版 | isbn=978-4-8399-5373-7}}
- {{cite book | last=髙﨑 [Takazaki] | first=一生 [Issei] | year=2015 | title=わかる!勝てる!!: 現代相振り飛車 | author-link=Issei Takazaki | publisher=マイナビ出版 | isbn=978-4-8399-5469-7}}
- {{cite book | last=戸辺 [Tobe] | first=誠 [Makoto] | author-link=Makoto Tobe | title=振り飛車4→3戦法 | year=2013 | publisher=マイナビ出版}}
External links
- Shogi Shack: [http://www.shogishack.net/pages/study-room/shogi-openings/aifuri-murata.html Aifuribisha Murata]
- Shogi Opening: [http://www44.atpages.jp/~studyshogi/opening/double-swinging-rook/OppositeRook-3rdFileRook.html Black Opposite Rook vs White 3rd File Rook]
- Shogi (etc) Diary in Japan:
- [http://shoginyan.blogspot.com/2016/10/how-to-attack-in-double-swinging-rook-1.html How To Attack In Double Swinging Rook (1)]
- [http://shoginyan.blogspot.com/2016/10/how-to-attack-in-double-swinging-rook-2.html How To Attack In Double Swinging Rook (2)]
- [http://shoginyan.blogspot.com/2016/11/how-to-attack-in-double-swinging-rook-3.html How To Attack In Double Swinging Rook (3)]
- [http://shoginyan.blogspot.com/2015/10/k-system-original-tactics.html K System (Original Tactics)]
- Lectures on the Latest Strategies: [http://alexshogi.byethost33.com/lectures/Lecture%206.htm Lecture 6: Double Ranging Rook]
{{Shogi openings}}