Ending #5:An important Queen vs Rook ending.
Nov 6, 2015, 6:55 AM
My next (this) blog is from Philidor, a famous ending in which White must win :-
If Black had to play he would be lost in five moves. But it is White's turn, and this makes the process not so easy. He must lose his turn-a move-and still have the position as in the diagram. Then rook has to seperate from King, and Black's game is soon lost. The following demonstration is from "Principles of Chess" , and will be found sufficiently practicable:
Then here we have the same position, with Black to play. Evidently the King can do no good; and if
Consequently we have the following, which is fairly exhaustive, other wins presenting little difficulty:
And even mates in three more moves.