Pinwheel (shogi)
| 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| 1 | |||||||||
| 2 | |||||||||
| 3 | |||||||||
| 4 | |||||||||
| 歩 | 桂 | 5 | |||||||
| 歩 | 歩 | 歩 | 歩 | 歩 | 歩 | 6 | |||
| 歩 | 桂 | 銀 | 銀 | 7 | |||||
| 金 | 金 | 玉 | 8 | ||||||
| 香 | 飛 | 香 | 9 |
In shogi, the Pinwheel (風車 kazaguruma) is an uncommon opening with the rook on the bottom rank 9 enabling it to switch between a Ranging Rook and Static Rook attack.
The pinwheel name comes from the way the king is able to rotate around the gold positioned on the 58 square as if it were a wheel.
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Against Static Rook Anaguma
[edit]|
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: – |
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: –
|
Example of development from Habu (1992).
1. P-76 P-84
2. S-68 P-34
3. P-66 S-62
4. R-58 K-42
5. K-48 K-32
6. K-38 B-33
7. P-56 P-54
8. S-48
|
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: – |
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: –
|
8... K-22
9. S-66 S-53
10. P-46 L-12
11. P-36 K-11
12. S-47 S-32
13. G-48 P-85
14. B-77 G-52
15. N-37 P-44
16. P-55
|
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: 歩 |
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: 歩
|
16... Px55
17. Rx55 P*54
18. R-59 G-43
19. P-16 P-14
20. P-26 G-31
21. G-78 P-74
|
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: 歩 |
Central Rook Pinwheel ☖ pieces in hand: –
☗ pieces in hand: 歩
|
22. B-68 P-94
23. P-96 R-72
24. G-77 P-75
| 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| 香 | 桂 | 金 | 桂 | 王 | 1 | ||||
| 飛 | 銀 | 香 | 2 | ||||||
| 歩 | 銀 | 金 | 角 | 歩 | 3 | ||||
| 歩 | 歩 | 歩 | 歩 | 歩 | 4 | ||||
| 歩 | 5 | ||||||||
| 歩 | 歩 | 歩 | 歩 | 歩 | 歩 | 歩 | 6 | ||
| 歩 | 金 | 銀 | 銀 | 桂 | 7 | ||||
| 角 | 金 | 玉 | 8 | ||||||
| 香 | 桂 | 飛 | 香 | 9 |
25. Px75 Rx75
26. P*76 R-72
Game example
[edit]| 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| 香 | 桂 | 金 | 桂 | 王 | 1 | ||||
| 飛 | 銀 | 香 | 2 | ||||||
| 歩 | 歩 | 銀 | 金 | 角 | 歩 | 3 | |||
| 歩 | 歩 | 歩 | 歩 | 4 | |||||
| 歩 | 歩 | 5 | |||||||
| 歩 | 歩 | 銀 | 歩 | 歩 | 歩 | 6 | |||
| 歩 | 角 | 金 | 銀 | 桂 | 歩 | 7 | |||
| 金 | 玉 | 8 | |||||||
| 香 | 桂 | 飛 | 香 | 9 |
A similar position occurs in a 1991 game between Yasuharu Ōyama (Black) and Michio Ariyoshi (White).
Itō's Pinwheel variations
[edit]![[icon]](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/20px-Wiki_letter_w_cropped.svg.png){kind=small} | This section needs expansion. You can help by adding to it. (October 2017) |
Bibliography
[edit]- 羽生 [Habu], 善治 [Yoshiharu]. 1992 [2010]. 居飛車穴熊vs中飛車. 羽生の頭脳: 居飛車穴熊と左美濃 (Vol. 4, Chap. 3). 日本将棋連盟.
- 伊藤 [Itou], 果 [Hatasu]. 1994. 風車の美学: 伊藤果直伝! 毎日コミュニケーションズ. ISBN 4-89563-601-1
External links
[edit]- 将棋DB2: 大山康晴 (Ōyama) vs 有吉道夫 (Ariyoshi) November 1991 · Oyama plays a Pinwheel position
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