Waki System
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 桂 | 香 | 1 | |||||
飛 | 金 | 王 | 2 | ||||||
銀 | 歩 | 金 | 銀 | 歩 | 3 | ||||
歩 | 歩 | 角 | 歩 | 歩 | 歩 | 歩 | 4 | ||
歩 | 歩 | 5 | |||||||
歩 | 歩 | 歩 | 歩 | 角 | 歩 | 歩 | 6 | ||
歩 | 銀 | 金 | 歩 | 銀 | 7 | ||||
玉 | 金 | 飛 | 8 | ||||||
香 | 桂 | 桂 | 香 | 9 |
In shogi, Waki System (脇システム waki shisutemu) is a symmetrical Double Yagura (Static Rook) opening.
It is characterized in part by positioning Black's bishop on the 4f square and White's bishop on the 6d square allowing for a bishop exchange.
Development
...P-7d △ pieces in hand: –
▲ pieces in hand: – |
24-Move Yagura Set △ pieces in hand: –
▲ pieces in hand: – |
An early ...P-7d (as opposed to an early ...G-5b) is the most common move leading to the standard 24-Move Yagura Set (矢倉24手組) position, which is one of the major branching points of the set of Yagura substrategies.
S-3g △ pieces in hand: –
▲ pieces in hand: – |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
13. S-3g. The Waki System is a silver-3g branch Yagura substrategy.
13. ...B-6d. The Waki System form starts with White moving their bishop to 6d pinning Black's silver to their rook.
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 王 | 桂 | 香 | 1 | ||||
飛 | 銀 | 金 | 金 | 2 | |||||
歩 | 歩 | 銀 | 歩 | 歩 | 3 | ||||
歩 | 歩 | 角 | 歩 | 歩 | 歩 | 4 | |||
5 | |||||||||
歩 | 歩 | 歩 | 角 | 歩 | 6 | ||||
歩 | 歩 | 銀 | 金 | 歩 | 銀 | 歩 | 歩 | 7 | |
金 | 飛 | 8 | |||||||
香 | 桂 | 玉 | 桂 | 香 | 9 |
14. B-4f. In response, Black opposes White's bishop by moving their own bishop to 4f.
This positioning allows the bishops to be traded off in order to place them in hand.
14. ..S-7c
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 王 | 桂 | 香 | 1 | ||||
飛 | 金 | 金 | 2 | ||||||
歩 | 銀 | 歩 | 銀 | 歩 | 歩 | 3 | |||
歩 | 歩 | 角 | 歩 | 歩 | 歩 | 4 | |||
5 | |||||||||
歩 | 歩 | 歩 | 角 | 歩 | 6 | ||||
歩 | 歩 | 銀 | 金 | 歩 | 銀 | 歩 | 歩 | 7 | |
金 | 飛 | 8 | |||||||
香 | 桂 | 玉 | 桂 | 香 | 9 |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
20. P-9f
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 桂 | 香 | 1 | |||||
飛 | 金 | 王 | 2 | ||||||
銀 | 歩 | 金 | 銀 | 歩 | 歩 | 3 | |||
歩 | 歩 | 角 | 歩 | 歩 | 歩 | 4 | |||
歩 | 歩 | 5 | |||||||
歩 | 歩 | 歩 | 歩 | 角 | 歩 | 歩 | 6 | ||
歩 | 銀 | 金 | 歩 | 銀 | 7 | ||||
玉 | 金 | 飛 | 8 | ||||||
香 | 桂 | 桂 | 香 | 9 |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
Waki System △ pieces in hand: –
▲ pieces in hand: 角 |
20. P-1e variation
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 桂 | 香 | 1 | |||||
飛 | 金 | 王 | 2 | ||||||
銀 | 歩 | 金 | 銀 | 歩 | 歩 | 3 | |||
歩 | 歩 | 角 | 歩 | 歩 | 歩 | 4 | |||
歩 | 歩 | 歩 | 5 | ||||||
歩 | 歩 | 歩 | 角 | 歩 | 6 | ||||
歩 | 歩 | 銀 | 金 | 歩 | 銀 | 7 | |||
玉 | 金 | 飛 | 8 | ||||||
香 | 桂 | 桂 | 香 | 9 |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
Waki System △ pieces in hand: –
▲ pieces in hand: – |
14. ...B-7c variation
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 王 | 桂 | 香 | 1 | ||||
飛 | 銀 | 金 | 金 | 2 | |||||
歩 | 角 | 歩 | 銀 | 歩 | 歩 | 3 | |||
歩 | 歩 | 歩 | 歩 | 歩 | 4 | ||||
5 | |||||||||
歩 | 歩 | 歩 | 角 | 歩 | 6 | ||||
歩 | 歩 | 銀 | 金 | 歩 | 銀 | 歩 | 歩 | 7 | |
金 | 飛 | 8 | |||||||
香 | 桂 | 玉 | 桂 | 香 | 9 |
Waki System △ pieces in hand: –
▲ pieces in hand: 角 |
Waki System △ pieces in hand: 角
▲ pieces in hand: 角 |
Waki System △ pieces in hand: 角
▲ pieces in hand: 角 |
Waki System △ pieces in hand: 角
▲ pieces in hand: 角 |
...P-1d variation
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 桂 | 香 | 1 | |||||
飛 | 金 | 王 | 2 | ||||||
歩 | 歩 | 金 | 銀 | 歩 | 3 | ||||
歩 | 銀 | 歩 | 歩 | 歩 | 歩 | 4 | |||
歩 | 歩 | 5 | |||||||
歩 | 歩 | 歩 | 歩 | 銀 | 歩 | 6 | |||
歩 | 銀 | 金 | 歩 | 歩 | 7 | ||||
玉 | 金 | 飛 | 8 | ||||||
香 | 桂 | 桂 | 香 | 9 |
...P-9d variation
9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
香 | 桂 | 桂 | 香 | 1 | |||||
飛 | 金 | 王 | 2 | ||||||
歩 | 金 | 銀 | 歩 | 歩 | 3 | ||||
歩 | 歩 | 銀 | 歩 | 歩 | 歩 | 4 | |||
歩 | 歩 | 5 | |||||||
歩 | 歩 | 歩 | 歩 | 銀 | 歩 | 6 | |||
歩 | 銀 | 金 | 歩 | 歩 | 7 | ||||
玉 | 金 | 飛 | 8 | ||||||
香 | 桂 | 桂 | 香 | 9 |
See also
- Yagura (shogi)
- Morishita System
- Spearing the Sparrow
- Akutsu Rapid Attack Yagura
- Yagura Central Rook
- Right Fourth File Rook#Yagura vs Right Fourth File Rook
- Static Rook
Bibliography
- 脇謙二『単純明快矢倉・脇システム』毎日コミュニケーションズ、 1994年、ISBN 978-4895636148
- Kitao, Madoka (2011). Joseki at a glance. Translated by Kawasaki, Tomohide. Nekomado. ISBN 978-4-9052-2501-0.
External links
- Shogi Maze: Yagura: Waki System