Tsumeshogi Challenge

Solution to Problem 20

Solution: 1. B*2a Kx2a 2. N-3a+ Kx3a 3. R-3c+ G-3b 4. N*2c K-4a 5. S*4b Gx4b 6. +R-3a mate (11 moves) Variations: 1... K-2b 2 N*3d Kx2a 3 S*2b Kx1b 4 N-1a+ mate (7 moves) 2... Gx3a 3 R-2c+ G-2b 4 S*3b mate (7 moves) 2... K-2b 3 N*3d Kx3a 4 S*2b K3b 5 R-3c+ mate (9 moves) 2... Kx1b 3 S*2c K-1a 4 +N-2a Kx2a 5 Rx4a+ Sx4a 6 G*2b mate (11 moves, koma-amari) 3... K-2a 4 S*2b Kx1b 5 N*2d mate (9 moves)

Correct Solvers Eric Cheymol France Kai Wan Leung Hong Kong Matt Casters Belgium Alexei USA Bruce C Wright USA Reijer Grimbergen Japan Lawrence Chai Singapore David Rockwell USA