グレッグ パズル ブログ
パズルの難しさとは？レベル表記の読み方
Twelve pieces sounds harder than two. It usually is not. Here is what puzzlers actually mean by level, and why the number on the box is not the number that...
パズルの難しさとは？レベル表記の読み方
Twelve pieces sounds harder than two. It usually is not. Here is what puzzlers actually mean by level, and why the number on the box is not the number that...
不可能な蟻継ぎ：存在しないはずの接合
Dovetails on two faces at once, running in directions that contradict each other. To slide it apart you would have to move it two ways at the same time -...
不可能な蟻継ぎ：存在しないはずの接合
Dovetails on two faces at once, running in directions that contradict each other. To slide it apart you would have to move it two ways at the same time -...
キー＆キーウェイキューブの解き方
Eight small cubes, a screw on some faces and a keyhole slot on others. The join is easy. Working out which eight of the many possible pairings is the one...
キー＆キーウェイキューブの解き方
Eight small cubes, a screw on some faces and a keyhole slot on others. The join is easy. Working out which eight of the many possible pairings is the one...
フレデリック・ブーシェ：箱そのものがパズル
Most packing puzzles treat the box as a container. Boucher treats it as the design - and the holes cut into it are not decoration, they are the mechanism.
フレデリック・ブーシェ：箱そのものがパズル
Most packing puzzles treat the box as a container. Boucher treats it as the design - and the holes cut into it are not decoration, they are the mechanism.
スチュワート・コフィン：少ないピースで最も難しく
He built computers at MIT, then canoes, then started cutting up polyhedra in 1968 and never stopped. Over 500 designs later, his rules still explain why so few pieces can...
スチュワート・コフィン：少ないピースで最も難しく
He built computers at MIT, then canoes, then started cutting up polyhedra in 1968 and never stopped. Over 500 designs later, his rules still explain why so few pieces can...
フォルカー・ラトゥセック：見た目より遥かに難しい
Whenever his name is on a puzzle, it is going to be much harder than it looks. Three mechanisms explain how he does it, and none of them are about...
フォルカー・ラトゥセック：見た目より遥かに難しい
Whenever his name is on a puzzle, it is going to be much harder than it looks. Three mechanisms explain how he does it, and none of them are about...