Fortress, Waki System variation
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

In shogi, Waki System (脇システム waki shisutemu) is a symmetrical Double Fortress (Static Rook) opening.

It is characterized in part by positioning Black's bishop on the 46 square and White's bishop on the 64 square allowing for a bishop exchange.

The strategy is named after Kenji Waki.


Development

An early ...P-74 (as opposed to an early ...G-52) is the most common move leading to the standard 24-Move Fortress Set (矢倉24手組) position, which is one of the major branching points of the set of Fortress substrategies.

13. S-37. The Waki System is a silver-37 branch Fortress substrategy.

13. ...B-64. The Waki System form starts with White moving their bishop to 64 temporarily pinning Black's silver to their rook.

Waki System
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

14. B-46. In response, Black opposes White's bishop by moving their own bishop to 46.

This positioning allows the bishops to be traded off in order to place them in hand.

14. ..S-73

Waki System
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

20. P-96

Waki System
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

20. P-15 variation

Waki System
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

14. ...B-73 variation

Waki System
☖ pieces in hand: –
987654321 
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
☗ pieces in hand: –

...P-14 variation

Waki System
☖ pieces in hand: 角
987654321 
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
☗ pieces in hand: 角

...P-94 variation

Waki System
☖ pieces in hand: 角
987654321 
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
☗ pieces in hand: 角

See also

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.
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