Example 2.
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Since the Black King is in the centre of the board, the best way to proceed is to advance your own King thus: 1 K - K 2, K - Q 4; 2 K - K 3. As the Rook has not yet come into play, it is better to advance the King straight into the centre of the board, not in front, but to one side of the other King. Should now the Black King move to K 4, the Rook drives it back by R - R 5 ch. On the other hand, if 2... K - B 5 instead, then also 3 R - R 5. If now 3... K - Kt 5, there follows 4 K - Q 3; but if instead 3... K - B 6; then 4 R - R 4, keeping the King confined to as few squares as possible.
Now the ending may continue: 4...K - B 7; 5 R - B 4 ch, K - Kt 6; 6 K - Q 3, K - Kt 7; 7 R - Kt 4 ch, K - R 6; 8 K - B 3, K - R 7. It should be noticed how often the White King has moved next to the Rook, not only to defend it, but also to reduce the mobility of the opposing King. Now
