Tsumeshogi Challenge

Solution to Problem 30

Solution: 1. N*2e Bx2e
2. R*1b Kx1b
3. R*2b K-1a
4. Rx3b= Nx3c
5. P*1b K-2a
6. +P-3a mate (11 moves)

    Variations:
  • 1... K-1b 2. R*1a K-2c 3. R*2b mate (5 moves)
  • 1... K-1d 2. R*1e K-2c 3. R*2b mate (5 moves)
  • 1... K-2c 2. R*2b K-1d 3. R*1e mate (5 moves)
  • 2... K-2c 3. R*2d Kx3c 4. R1b-2b+ mate (7 moves)
  • 3... K-1c 4. R-2d+ K-1b 5. B-2b+ mate (9 moves)

    Diversion:
  • 4. Rx3b+ Nx3c escapes mate as 5. P*1b is illegal (uchifuzume).

Correct Solvers

Reijer Grimbergen   Japan
Kai Wan Leung       Hong Kong
Kees Wiebering      Netherlands
Victor Contoski     USA
Eric Cheymol        France
Mike Facer          USA
Lawrence Chai       Singapore
Hans Geuns          Netherlands

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97 July 2

Patrick Davin
davin [at] shogi [dot] net