140
(1) ... 19-24 (2) 27-31 32-28 (3) 23-27 30-23 (4) 27-32 23-18 (5) 32-27 24-20 (6) 27-23 19-15, etc.
THE FOURTH POSITION
Although White is a piece ahead he has great difficulties in winning on account of the weak position of the man on 12. Black's man on 3 holds
32 31 30 +---------------------------------------+ | | | | | | | | | 29 |---------------------------------------| 28 | | | | | | | | | |---------------------------------------| | | | | | | | | | 21 |---------------------------------------| 20 | | | | | | | | | |---------------------------------------| | | | | | | oo | | | 13 |---------------------------------------| 12 | o | | oo | | oo | | | | |---------------------------------------| | | | | | | | | | 5 |---------------------------------------| 4 | | | * | | ** | | ** | | +---------------------------------------+ 3 2 1
DIAGRAM 101.--White to Move and Win.
him in check without being impaired in his effectiveness towards the center of the board. If Black had the move, White could not win at all, as he would be unable to dislodge Black's Kings. As it is, he wins by means of a sacrifice which often occurs in endings with 4 Kings against 3.
Black White
(1) ... 14-9 (2) 1-5 9-13 (3) 5-1 11-15 (4) 2-6 10-14 (5) 1-5 15-18 (6) 5-1
32 31 30 +---------------------------------------+ | | | | | | | | | 29 |---------------------------------------| 28 | | | | | | | | | |---------------------------------------| | | | | | | | | | 21 |---------------------------------------| 20 | | | | | oo | | | | |---------------------------------------| | | | | | | oo | | oo | 13 |---------------------------------------| 12 | o | | | | | | | | |---------------------------------------| | | | | | | ** | | | 5 |---------------------------------------| 4 | | | * | | | | ** | | +---------------------------------------+ 3 2 1
DIAGRAM 102.
It would not help Black to play 6-2 on account of 13-9; (7) 5-1, 9-5; (8) 2-6, 14-17; (9) 6-2, 17-13; (10) 2-6, 18-15; (11) 6-2, 15-10,
