type of chess problem
analytic study
chess endgame study in which the elements of analysis prevail over artistic merits
miniature
chess problem with no more than 7 pieces
helpmate
type of chess problem
proof game
retrograde analysis chess problem in which the solver must construct a game which ends with a given position after a specified number of moves
joke chess problem
chess puzzle that uses humor
endgame study
composed chess endgame position