Pac-Man (shogi)

In shogi, the Pac-Man (パックマン pakkuman or 4四歩パックマン yon-yon-fu pakkuman) is a trap opening.

Pac-Man
☖ pieces in hand:
987654321 
1
       2
 3
        4
         5
        6
 7
       8
9
☗ pieces in hand:

It is named after the video game Pac-Man.

The opening was called 4四歩パックリ yon-yon-fu pakkuri on the NHK shogi television show Shogi Focus (将棋フォーカス) to avoid use of the trademark.

The opening has an early pawn gambit made by White on the fourth file which may be metaphorically eaten by Black's bishop as if by Pac-Man. If Black takes the pawn with their bishop without careful thought, then the trap may succeed.

Six professional shogi playersYoshiharu Habu, Yasumitsu Satō, Toshiyuki Moriuchi, Kōji Tanigawa, Akira Watanabe, Takeshi Fujii – agreed that the opening puts White at a disadvantage.[1]

Development

Main line

Pac-Man
☖ pieces in hand:
987654321 
1
       2
 3
        4
         5
        6
 7
        8
9
☗ pieces in hand: 歩歩

Double Pac-Man

Rook promotion line

Pac-Man
☖ pieces in hand:
987654321 
1
       2
3
        4
        5
       6
 7
        8
9
☗ pieces in hand: 歩歩

References

  1. 将棋世界, 2007 June, pp. 84–85.

Bibliography

  • 湯川 [Yukawa], 博士 [Hiroshi] [in Japanese] (1989). 奇襲大全. 毎日コミュニケーションズ. ISBN 978-4-8399-0177-6.
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