英和和英

名詞

directmate (plural directmates)

1. (chess) A kind of chess problem in which White, moving first, must checkmate Black within a specified number of moves against any defence.
   • 2024 December 21, Rocky64, “An introduction to composed chess problems”, in Chess.com‎, archived from the original on 13 August 2025:

     Problem 1’s stipulation of “Mate in 2” indicates that it’s a directmate and White must mate by the second move. […] Though not all directmates are successful in incorporating them, you should keep in mind the possibility of such counter-intuitive first moves.