Demon Slayer (shogi)
{{Short description|Trap opening in shogi}}
{{shogi diagram
| floatright
| Demon Slayer
| 角
| lg | ng | | gg | kg | gg | | ng | lg
| | rg | | sg | | | | sg |
| pg | | pg | | pg | pg | | pg | pg
| | pg | | pg | | | pg | |
| | | ps | ns | bs | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
In shogi, Demon Slayer or Demon Killer (鬼殺し onigoroshi) is a trap opening initiated by Black that characteristically advances their left knight blocking their bishop's diagonal.
Later moves attempt an attack using a further advanced knight and also possibly against White's left silver.
If defended against properly by White, then it puts Black in an unfavorable position. Therefore, it is designed to trap novice players.
Development
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{{shogi diagram
|
| Demon Slayer: Initial moves
| –
| lg | ng | sg | gg | kg | gg | sg | ng | lg
| | rg | | | | | | bg |
| pg | pg | pg | pg | pg | pg | | pg | pg
| | | | | | | pg | |
| | | | | | | | |
| | | ps | | | | | |
| ps | ps | nsl| ps | ps | ps | ps | ps | ps
| | bs | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
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{{shogi diagram
|
| continued...
| –
| lg | ng | sg | gg | kg | gg | sg | ng | lg
| | rg | | | | | | bg |
| pg | | pg | pg | pg | pg | | pg | pg
| | pg | | | | | pg | |
| | | | nsl| | | | |
| | | ps | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | bs | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
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{{Col-begin | width=auto | class=floatright}}
{{Col-2}}
{{shogi diagram
|
| continued...
| –
| lg | ng | | gg | kg | gg | sg | ng | lg
| | rg | | sg | | | | bg |
| pg | | pg | pg | pg | pg | | pg | pg
| | pg | | | | | pg | |
| | | psl| ns| | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | bs | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
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{{shogi diagram
|
| continued...
| 角
| lg | ng | | gg | kg | gg | | ng | lg
| | rg | | sg | | | | sg |
| pg | | pg | | pg | pg | | pg | pg
| | pg | | pg | | | pg | |
| | | ps | ns | bsl| | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
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{{Col-begin | width=auto | class=floatright}}
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{{shogi diagram
|
| position aimed for
| 角
| lg | ng | | | kg | gg | | ng | lg
| | rg | | sg | | | | |
| pg | | pg | gg | pg | pg | sg | pg | pg
| | pg | ps | bs | | | pg | |
| | | | ns | | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | rsl | | | | | |
| ls | | ss | gs | ks | gs | ss | ns | ls
| 歩
|
}}
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{{shogi diagram
|
| continued...
| 角角
| lg | ng | | | kg | gg | | ng | lg
| | rg | | sg | | | | |
| pg | | tsl| | pg | pg | sg | pg | pg
| | pg | | gg | | | pg | |
| | | | ns | | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | rs | | | | | |
| ls | | ss | gs | ks | gs | ss | ns | ls
| 歩歩
|
}}
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{{shogi diagram
| floatright
| Demon Slayer: The goal
| 角角 桂 歩
| lg | | | | kg | gg | | ng | lg
| | rg | | | | | | |
| pg | | dsl| | pg | pg | sg | pg | pg
| | pg | | gg | | | pg | |
| | | | | | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | | | | | | |
| ls | | ss | gs | ks | gs | ss | ns | ls
| 銀 桂 歩歩
|
}}
{{Expand section|date=October 2016}}
{{clear}}
=Defending against Demon Slayer=
{{shogi diagram
| floatright
| Demon Slayer: Proper defense
| 角
| lg | ng | sg | | kg | gg | | ng | lg
| | rg | | | | | | sg |
| pg | | pg | ggl| pg | pg | | pg | pg
| | pg | | pg | | | pg | |
| | | pg | ns | bs | | | |
| | | | | | | | |
| ps | ps | | ps | ps | ps | ps | ps | ps
| | | | | | | | rs |
| ls | | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
Demon Slayer can be defended against by moving White's right gold to 63.
{{clear}}
New Demon Slayer
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{{shogi diagram
|
| New Demon Slayer
| –
| lg | ng | sg | gg | kg | gg | sg | ng | lg
| | rg | Please | Help | me | | | bg |
| pg | | pg | pg | pg | pg | | pg | pg
| | | | | | | pg | |
| | pg | ps | | | | | |
| | | | | | | | |
| ps | ps | bs | ps | ps | ps | ps | ps | ps
| | | rsl| | | | | |
| ls | ns | ss | gs | ks | gs | ss | ns | ls
| –
|
}}
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{{shogi diagram
|
| New Demon Slayer
| 角
| lg | ng | sg | gg | kg | gg | sg | ng | lg
| | rg | | | | | | |
| pg | | pg | pg | pg | pg | | pg | pg
| | | | | | | pg | |
| | pg | ps | | | | | |
| | | | | | | | |
| ps | ps | nsl| ps | ps | ps | ps | ps | ps
| | | rs | | | | | |
| ls | | ss | gs | ks | gs | ss | ns | ls
| 角
|
}}
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{{Expand section|date=October 2016}}
{{Interlanguage link multi|New Demon Slayer|ja|3=鬼殺し (将棋)#.E6.96.B0.E3.83.BB.E9.AC.BC.E6.AE.BA.E3.81.97|vertical-align=sup}} (新鬼殺し shin oni koroshi) is a variation of the Demon Slayer opening.
{{clear}}
See also
References
{{Reflist|30em}}
Bibliography
- {{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 | title=Joseki at a glance | year=2011 | publisher=Nekomado | translator-last=Kawasaki | translator-first=Tomohide | isbn=978-4-9052-2501-0}}
External links
- [https://www.youtube.com/watch?v=nU05Niy1dk8 YouTube HIDETCHI: Shogi Openings: Demon Killer]
- {{usurped|1=[https://web.archive.org/web/20161221072644/http://shogifan.com/2016/12/15/demon-killer/ Shogifan: Demon Killer]}}
{{Shogi openings}}
Category:Ranging Rook openings