Tsumeshogi Challenge

Solution to Problem 52

Solution: 1. L*1c Nx1c 2. +B-3d N-2c 3. +B3dx2c K-1a 4. +B-1b Kx1b 5. N*2d K-1a 6. N*2c K-2b 7. +B-3b mate (13 moves) Variations: 2... Px3d 3. N*2d K-2b 4. +B-3b mate (7 moves) 2... P*2c 3. N*2d K-2b 4. +B-3b mate (7 moves) 2... K-2b 3. +B-1b Kx1b 4. N*2d K-2b 5. +B-3b mate (9 moves) 2... S*2c 3. +B3dx2c Nx2c 4. N*2d K-1a 5. S*1b K-2b 6. +B-3b mate (11 moves) 3... K-2a 4. +B4a-3b K-1a 5. +B3b-2b mate (9 moves, koma-amari) Try: 1. L*1i fails to 1... K-2b! 2... N-2c! A devious defence move! It's moves like this that can give an attacker a nasty shock, especially in byoyomi. A beautiful problem. - HG Giving the number of moves helps a lot. At a first glance, it seems possible to find a shorter tsume. - EC Nice to see for problems being so tricky again. Without the 13 moves hint, I might arrive at a wrong, short answer. - KWL

Correct Solvers Lawrence Chai Singapore Kees Wiebering Netherlands Hans Geuns Netherlands Tan Teng Chuan Singapore Eric Cheymol France Reijer Grimbergen Japan Kai Wan Leung Hong Kong Frederic Pottier France Jochum Drechsler Germany Kristiaan Van de Velde Belgium Mike Facer USA Randal Andrews USA