Opposing Rook

☖ pieces in hand: –

9| 8| 7| 6| 5| 4| 3| 2| 1|

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歩| 歩| 角| 銀| 歩| 歩| 歩| 歩|  | 7
| 飛| 金|  |  |  | 銀| 玉|  | 8
香| 桂|  |  |  | 金|  | 桂| 香| 9

☗ pieces in hand: –

In shogi, Opposing Rook (向かい飛車 mukaibisha, also Opposite Rook, Second File Rook) is a class of Ranging Rook openings in which the player's rook swings over to the second file if played by White or the eighth file if played by Black.

The opposing name is used since if the Opposing Rook player's opponent is playing Static Rook, then the Opposing Rook player's rook will be on the same file as the opponent and the rooks will be facing or opposing each other.

In order to play Opposing Rook, the player's bishop must be moved from its starting position (88 or 22 squares). This is usually done by either moving the bishop to the seventh file for Black or the third file for White or by exchanging bishops. If the opponent initiates the bishop exchange, the Opposing Rook player will capture the opponent's bishop with their rook.

You can help expand this article with text translated from the corresponding article in Japanese. (December 2016) Click [show] for important translation instructions.

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## Traditional Opposing Rook

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### White's Opposing Rook

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Static vs Ranging Rook

☖ pieces in hand: –

9| 8| 7| 6| 5| 4| 3| 2| 1|

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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|  |  |  |  |  | 飛|  | 8
香| 桂| 銀| 金| 玉| 金| 銀| 桂| 香| 9

☗ pieces in hand: –

The opening starts by the usual four-move sequence that characterizes Static Rook vs Ranging Rook games as shown in the first adjacent board position. (See: Traditional Ranging Rook.)

Static vs Opposing Rook

☖ pieces in hand: –

| 9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王| 金| 銀| 桂| 香| 1
| 飛|  |  |  |  |  | 角|  | 2
歩| 歩| 歩| 歩| 歩|  |  | 歩| 歩| 3
|  |  |  |  | 歩| 歩|  |  | 4
|  |  |  |  |  |  | 歩|  | 5
|  | 歩|  |  |  |  | |  | 6
歩| 歩|  | 歩| 歩| 歩| 歩|  | 歩| 7
| 角|  |  |  |  |  | 飛|  | 8
香| 桂| 銀| 金| 玉| 金| 銀| 桂| 香| 9

☗ pieces in hand: –

3\. P-25

Static vs Opposing Rook

☖ pieces in hand: –

| 9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王| 金| 銀| 桂| 香| 1
| 飛|  |  |  |  |  | |  | 2
歩| 歩| 歩| 歩| 歩|  | 角| 歩| 歩| 3
|  |  |  |  | 歩| 歩|  |  | 4
|  |  |  |  |  |  | 歩|  | 5
|  | 歩|  |  |  |  |  |  | 6
歩| 歩|  | 歩| 歩| 歩| 歩|  | 歩| 7
| 角|  |  |  |  |  | 飛|  | 8
香| 桂| 銀| 金| 玉| 金| 銀| 桂| 香| 9

☗ pieces in hand: –

3...B-33

3\. P-25. Black pushes their rook pawn to the middle rank threatening to trade the second file pawns.[a]

Opposing Rook games played by White are usually triggered by this move.

The more common professional move by Black at this point is 3. S-48 as this move is more flexible than 3. P-25. S-48 is said to prevent White's Opposing Rook since moving the bishop to 33 after Black's 3. S-48 will greatly reduce White's set of possible strategies.[b] As examples, White no longer has the option of using a strategy with B-22 and S-31, and White playing a Fortress opening after 3. S-48 B-33 would be awkward. Additionally, B-33 after S-48 reveals very early White's likely Opposing Rook strategy.

3...B-33. White prevents the pawn trade by moving their bishop to the third file defending the 24 square. This move also clears a path for White's rook to swing over to the second file early.

The moves up to this position can, of course, be transposed to the less common[1] sequence below:

| Black[c] | White

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1. | P-26 | P-34
2. | P-25 | B-33
3. | P-76 | P-44

Static vs Opposing Rook

☖ pieces in hand: –

9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王| 金| 銀| 桂| 香| 1
| 飛|  |  |  |  |  |  |  | 2
歩| 歩| 歩| 歩| 歩|  | 角| 歩| 歩| 3
|  |  |  |  | 歩| 歩|  |  | 4
|  |  |  |  |  |  | 歩|  | 5
|  | 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: –

4\. S-4h

4\. S-48. Black moves their right to the fourth file – a standard move against Ranging Rook opponents.

At this point, White has the option of immediately swinging their rook to the second file allowing their king to start castling. Alternately, White can delay the rook and instead start moving their left silver upward to reach the 67 square.

#### Blunder: Black's king on 68 in path of White's bishop diagonal

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

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### Black's Opposing Rook

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

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## Fourth Move Bishop-33

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Main article: Bishop-33 opening

## American

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Main article: American Opposing Rook

## Ōno

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Ōno Opposing Rook

☖ pieces in hand: – 角

9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王| 金| 銀| 桂| 香| 1
| 飛|  |  |  |  |  |  |  | 2
歩| 歩| 歩| 歩| 歩| 歩|  | 歩| 歩| 3
|  |  |  |  |  | 歩|  |  | 4
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|  | 歩|  | 歩|  |  |  |  | 6
歩| 歩|  | 歩|  | 歩| 歩| 歩| 歩| 7
| 飛|  |  |  |  |  |  |  | 8
香| 桂| 銀| 金| 玉| 金| 銀| 桂| 香| 9

☗ pieces in hand: – 角

Ōno Opposing Rook (大野流向かい飛車, Ōno ryu mukai bisha) is an Opposing Rook variation named after professional player Gen'ichi Ōno (1911-1979). It's played by sente (black) and it's characterized by inciting gote to make a bishop exchange, following which sente will capture gote's bishop with the rook. If gote doesn't go for the bishop exchange sente will go with Center Vanguard Pawn.

## See also

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* Direct Opposing Rook
* Sakata Opposing Rook
* Bishop Head Pawn
* Ranging Rook

## Notes

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1. ^ For instance, if White moves 3...G-32, then Black can trade the pawns: 4. P-24 Px24, 5. R-24.

Pawn Trade

☖ pieces in hand: 歩

9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王|  | 銀| 桂| 香| 1
| 飛|  |  |  |  | 金| 角|  | 2
歩| 歩| 歩| 歩| 歩|  |  |  | 歩| 3
|  |  |  |  | 歩| 歩| 飛|  | 4
|  |  |  |  |  |  |  |  | 5
|  | 歩|  |  |  |  |  |  | 6
歩| 歩|  | 歩| 歩| 歩| 歩|  | 歩| 7
| 角|  |  |  |  |  |  |  | 8
香| 桂| 銀| 金| 玉| 金| 銀| 桂| 香| 9

☗ pieces in hand: 歩

2. ^ That is, this position:

3\. S-48 B-33

☖ pieces in hand: –

9| 8| 7| 6| 5| 4| 3| 2| 1|

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香| 桂| 銀| 金| 王| 金| 銀| 桂| 香| 1
| 飛|  |  |  |  |  |  |  | 2
歩| 歩| 歩| 歩| 歩|  | 角| 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: –

3. ^ This is the example order given by Hosking (1997: 226–227)

## References

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1. ^ Kyokumenpedia 2017, 棋譜統計 ("Game score statistics"). sfn error: no target: CITEREFKyokumenpedia2017 (help)

* Fairbairn, John (1986). Shogi for beginners (2nd ed.). Ishi Press. ISBN 978-4-8718-720-10.
* Hosking, Tony (1996). The art of shogi. The Shogi Foundation. ISBN 978-0-95310-890-9.
* Kitao, Madoka (2011). Joseki at a glance. Translated by Kawasaki, Tomohide. Nekomado. ISBN 978-4-9052-2501-0.
* Ouchi, Nobuaki (1979). "Opposing rook opening". Shogi (17). Translated by Fairbairn, John: 16–18.

## External links

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* How to Defend in Shogi:
* Practical Example: Counterattack 2
* Practical Example: Counterattack 3
* Shogi Opening:
* Opposite Rook: B-77 Strategy 01 (not exchange bishop type)
* Opposite Rook: B-77 Strategy 02 (not exchange bishop type)
* Yamajunn's Shogi Opening Traps: Masuda Ryu Mukai Bisha, part 1

* v
* t
* e

Shogi Openings

Static Rook|

* Right Fourth File Rook
* Static Bishop Left Mino
* Right King
* Snowroof
* Sleeve Rook
* First File Rook
* Reclining Silver
* Climbing Silver
* Climbing Gold
* Ureshino
* Extreme Rushing Silver
* Duck
* Feint Static Rook

Double Static Rook|

| Fortress|

* Double Fortress
* Spearing the Sparrow
* Morishita System
* Central Rook Fortress
* Waki System
* Akutsu Rapid Attack
* vs Right Fourth Rook
* Yonenaga Rapid Attack
* Ninja Silver
* Crab Silvers

|

Double Wing|

* Floating Rook
* Retreating Rook
* Primitive Climbing Silver
* Tsukada Special
* Twisting Rook
* Rook on Pawn
* No Guard

Bishop Exchange|

* Reclining Silver (Kimura joseki, G48 R29)
* Rushing Silver
* Climbing Silver
* Tempo Loss
* Wrong Diagonal

Side Pawn|

* B-33
* Rapid Attack B*33
* B*45
* Double Side Pawn
* P*23
* N-33
* Rapid Attack K-41
* Aono
* Rx33+

Counter-Ranging Rook|

* Static Rook Bear-in-the-hole
* Maruyama Vaccine
* Iijima Bishop Pullback
* Straight Line Bear-in-the-hole
* King's Head Vanguard Pawn
* Subway Rook
* Left King
* Takada System
* Center Vanguard Pawn
* Central Rook vs Side Pawn

Rapid Attack|

* Left S-57 Rapid Attack
* Yamada joseki
* Saginomiya joseki
* Ponpon Knight
* Spearing the Bird
* Super High Speed S-37
* Three-Pawn Sacrifice

Ranging Rook|

* Bishop Head Pawn
* Feint Ranging Rook
* Twisting Rook
* Tonari
* Dokkan Rook

Central|

* Primitive Central Rook
* Cheerful Central Rook
* Silver Horns
* Bear-in-the-hole Central Rook
* Edge Bishop
* Flatfish
* Central Rook Fortress
* Central Rook vs Side Pawn

Fourth File|

* Fujii System
* Bear-in-the-hole Fourth File Rook
* King's Head Silver
* Bishop Exchange Fourth File Rook
* Leghorn Special
* Tateishi
* Yōryū Fourth File Rook

Third File|

* Bear-in-the-hole Third File Rook
* Kōyan
* Manabe
* Ishida (Quick Ishida, 3–4–3, Fourth-to-Third, R-77)
* 1...R-32
* 1.R-78
* Demon Slayer
* New Demon Slayer
* Tomahawk

Opposing|

* Sakata
* American
* B-33
* Direct
* Ōno

Double Ranging|

* Opposing vs Third
* Double Third
* Double Opposing
* Opposing vs Fourth
* Opposing vs Central
* Double Central
* Left Bear-in-the-hole Central Rook

Other|

* Wrong Diagonal Bishop
* Pac-Man
* Buoyant Rook
* Bishop-Exchange Bishop*57
* Pinwheel
* Kamaitachi

Handicap|

* Three Pawns
* 10-Piece
* 9-Piece
* 8-Piece
* 7-Piece
* 6-Piece
* 5-Piece
* 4-Piece
* 3-Piece
* 2-Piece
* Rook–Lance
* Rook
* Bishop
* Silver
* Lance

Castles|

* Mino
* Bear-in-the-hole
* Fortress

Other Theory|

* Tactics
* Strategy
* Tsume shogi
* Hisshi
* Notation

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