First File Rook

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First File Rook

☖ pieces in hand: –

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

☗ pieces in hand: –

In shogi, First File Rook (一間飛車 ikkenbisha or ichigenbisha) is a Static Rook surprise opening in which the player's rook supports an attack on the player's rightmost edge file. The player may also attempt to move the lance first and set the rook behind it to attack via the first file, but this is rarely to never used in professional play, since white can counterattack by pushing their rook pawn.

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Bibliography

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Shogi Openings

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 B33 B45 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

Handicap

Castles

Other Theory

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See also

Bibliography