Editing Checkmate (section)

==Two major pieces==
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Two {{chessgloss|major pieces}} ([[queen (chess)|queens]] or [[rook (chess)|rooks]]) can easily {{chessgloss|forced mate|force}} checkmate on the edge of the board using a technique known as the ''ladder checkmate''.<ref>{{Cite web|last=Ago|first=Beauknowsin #chess • 3 Years|date=2017-10-26|title=Chess Lessons for Beginners #1 – The Ladder Checkmate!|url=https://steemit.com/chess/@beauknows/chess-lessons-for-beginners-1-the-ladder-checkmate|access-date=2020-06-05|website=Steemit}}</ref> The process is to put the two pieces on adjacent {{chessgloss|ranks}} or {{chessgloss|files}} and force the king to the side of the board by using one piece to check the king and the other to cut it off from going up the board.<ref name=pand1820>{{harvnb|Pandolfini|1988|pp=18–20}}</ref> In the illustration, White checkmates by forcing the Black king to the edge, one row at a time. The ladder checkmate can be used to checkmate with two rooks, two queens, or a rook and a queen.<ref name=pand1820 />

[[File:Major-pieces-mate.gif|thumb|left|Checkmate using a queen and rook. 1.Qg5+ Ke4 2.Rf4+ Ke3 3.Qg3+ Ke2 4.Rf2+ Ke1 5.Qg1#<ref>{{harvnb|Silman|2007|pp=7–8}}</ref>]]
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