Side Pawn Capture, Bishop*45

B*45 variation
☖ pieces in hand: 歩
987654321 
香桂銀金王 銀桂香1
      金  2
歩 歩歩歩歩  歩3
      飛  4
     角   5
 飛歩      6
歩  歩歩歩歩 歩7
 銀金    銀 8
香桂  玉金 桂香9
☗ pieces in hand: 角 歩歩歩歩

In shogi, Side Pawn Capture Bishop*45 or Side Pawn Capture Bishop*4e (横歩取り△４五角 yokofudori yon-go kaku) is a Side Pawn Capture variation in which White drops their bishop on the 45 square after the bishops are traded attacking Black's rook.

Development

The △ Bishop*45 Side Pawn variation is one of the Side Pawn variations that starts with bishop trade initiated by White (that is, 8. ...Bx88+, 9. Sx88). It is named after the bishop drop position – the 45 square – that White makes three moves after the bishop trade.[1] This Side Pawn Capture substrategy was popular in the early 1980s.[2] Much of the theory was advanced from the games (in 1978-1979) and analysis of Koji Tanigawa.[3]

9. ...P*28.

10. Sx28.

△ B*45
up to move 20
☖ pieces in hand: 歩
987654321 
香桂銀金王 銀桂香1
      金  2
歩 歩歩歩歩  歩3
      飛  4
     角   5
 飛歩      6
歩  歩歩歩歩 歩7
 銀金    銀 8
香桂  玉金 桂香9
☗ pieces in hand: 角 歩歩歩歩

10. ...B*45.

See also

References

  1. ↑ Aono 1983, p. 101–150.
  2. ↑ Aono 1983, p. 105.
  3. ↑ Hosking 1997, p. 141–149.
  • Aono, Teruichi (1983). Guide to shogi openings: Unlock the secrets of joseki 将棋定跡のカギ: 和英 定跡問題集. Translated by Fairbairn, John. 山海堂. ISBN 4-381-00598-8.
  • Hosking, Tony (1996). The art of shogi. The Shogi Foundation. ISBN 978-0-95310-890-9.
  • Kitao, Madoka (2011). Joseki at a glance. Translated by Kawasaki, Tomohide. Nekomado. ISBN 978-4-9052-2501-0.
  • Sawada, Takio (1983). Translated by Murphy, David. "Side pawn capture: B*4e system part 5". Shogi (41): 4–6.
  • Tanigawa, Kōji (1982). Translated by Murphy, David. "Side pawn capture: B*4e system". Shogi (36): 12–15.
  • Tanigawa, Kōji (1982). Translated by Murphy, David. "Side pawn capture: B*4e system part 2". Shogi (37): 4–7.
  • Tanigawa, Kōji (1982). Translated by Murphy, David. "Side pawn capture: B*4e system part 3". Shogi (38): 14–16.
  • Tanigawa, Kōji (1982). Translated by Murphy, David. "Side pawn capture: B*4e system part 4". Shogi (40): 14–16.


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