(d) If 2-7, 10-14, 7-2, 14-9, and White wins.

(e) Black must play 17-13 or 17-22, and then comes 10-6, 2-9, 5-14, and all is over.

X

The play in these “double corner” positions is always of a very delicate nature. Here is a drawn position from Payne, requiring great nicety of play:—

Black Kings on 1 and 6. (Fig. 13.)

Fig. 13.

White man on 5. Kings on 14 and 15.

Black to move and draw.

The draw is proved thus:—