Checkmate pattern: Difference between revisions

Revision as of 18:10, 9 May 2025

Revision as of 18:29, 9 May 2025

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The ''blind swine mate'' pattern's name is attributed to Polish master [[Dawid Janowski]] who referred to {{chessgloss|doubled rooks}} on a player's 7th rank as "swine".<ref>MacEnulty, David, ''The Chess Kid's Book of Checkmate'', chap. 21 – The Blind Swine Checkmate, pp. 29–30, Random House Puzzles & Games, 2004, {{ISBN|0812935942}}, 9780812935943</ref>

In the first diagram with White to play, White can force checkmate as follows:

:'''1. Rxg7+ Kh8'''

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:'''3. Rbg7{{chessAN|#}}'''

ForIn thisthe typefirst ofdiagrammed mateposition, the rooks on White's 7th rank can start on any two files from ''a'' to ''e'', and although black pawns are commonly present as shown, they are not necessary to deliver the mate. (The f8-rook onis thenecessary backto rank, adjacent tostop the king, isfrom necessary onlyescaping if the attacking side does not already have a third piece tocontrolling guardthat the{{chessgloss|flight square and stop the king from moving away}}.) The second diagram shows the final position after checkmate. (In the book ''[[My System]]'', Nimzowitsch refers to this type of mate as: "The seventh rank, absolute.")

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