Tsumeshogi Challenge

Solution to Problem 8

Solution: 1. S*2e +Px2e
2. B-2c+ Gx2c
3. +B-3d Gx3d
4. R-2a+ K-1c
5. +R-2c mate (9 moves)

    Variations:
  • 1... K1c 2 +B3e! K2b 3 +R2a mate
  • 1... N2e 2 S2c+ G2c 3 B2c+ K2c 4 R2a+ K1c 5 +R2b! mate (koma-amari)
  • 3... K3d 4 R4d+ mate

    Yozume (discovered by Michael Facer):
  • 1 S1c K1c 2 S2c+ G2c 3 B2c+ K2c 4 R2a+ L2b 5 G3d K1c 6 +B3e and take twice on 2d to give mate (15 moves, koma-amari). This is an unfortunate flaw in the problem, and Michael gets full credit for finding it.

Correct Solvers

Eric Cheymol       France
Michael Facer      USA
Tony Salvaggione   USA

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97 April 11

Patrick Davin
davin [at] shogi [dot] net