Tsumeshogi Challenge

Solution to Problem 42

Solution: 1. N-1c+ Nx1c
2. N*3d K-2a
3. R*1a Kx1a
4. B-3c+ K-2a
5. +B-2b mate (9 moves)

    Variations:
  • 1... K-3a 2. N*4c K-4a 3. R*4b mate (5 moves)
  • 1... K-3b 2. Rx4b K-3a 3. N*4c mate (5 moves)
  • 2... K-1a 3. B-3c+ K-2a 3. +B-2b mate (7 moves, koma-amari)
  • 2... K-1b 3. R*3b K-1a 4. R-2b+ mate (7 moves)
  • 2... K-3a 3. R*1a K-3b 4. B-4b+ mate (7 moves)
  • 2... K-3b 3. R*4b K-2a 4. R-2b+ mate (7 moves)

Correct Solvers

Reijer Grimbergen         Japan
Kai Wan Leung             Hong Kong
Eric Cheymol              France
Victor Contoski           USA
Hans Geuns                Netherlands
Kees Wiebering            Netherlands
Matt Casters              Belgium
Philippe Tran             France
Kristiaan Van de Velde    Belgium
Lawrence Chai             Singapore
Jochum Drechsler          Germany
Alain Van hentenryck      Belgium

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97 August 13

Patrick Davin
davin [at] shogi [dot] net