THE FIFTH POSITION

White is on the move, and it is evident that he loses if he moves the man on 27 permitting black to reply 11-15. The only way to save the game is to sacrifice the man on 20 by 20-16. The following play would ensue.

              32        31        30
       +---------------------------------------+
       |    |    |    |    |    |    |    |    | 29
       |---------------------------------------|
    28 |    |    |  o |    |    |    |    |    |
       |---------------------------------------|
       |    |    |    |    |    |  o |    |  o | 21
       |---------------------------------------|
    20 |  o |    |  o |    |    |    |    |    |
       |---------------------------------------|
       |    |    |    |    |    |  * |    |  * | 13
       |---------------------------------------|
    12 |  * |    |  * |    |  * |    |    |    |
       |---------------------------------------|
       |    |    |    |    |    |    |    |    | 5
       |---------------------------------------|
     4 |    |    |    |    |    |    |    |    |
       +---------------------------------------+
                    3         2        1

                Diagram 106.

          (2) 11-2O          27-23
          (3) 20-24          22-18
          (4) 24-27          18-9
          (5) 10-14

Preventing 23-18

          (5)  ...            9-6
          (6) 27-31           6-2K
          (7) 31-27           2-6

White cannot save the piece and so he runs his opponent.

          (8) 27-18           6-9
          (9) 13-17           19-15
         (10) 18-11           9-18
         (11) 17-22           18-25
         (12) 11-15           25-22

Drawn. White would lose by 21-17, as after (13) 15-18, 17-13;
(14) 18-14, 25-22; (15) 12-16 he cannot gain the double corner.

The following has been suggested as a suitable problem to be
called SIXTH POSITION.

             32        31        30
       +---------------------------------------+
       |    |    |    |    |    |    |    |    | 29
       |---------------------------------------|
    28 |    |    |    |    |    |    |    |    |
       |---------------------------------------|
       |    | oo |    |    |    |    |    |    | 21
       |---------------------------------------|
    20 |    |    |    |    |    |    |    |    |
       |---------------------------------------|
       |    | o  |    | ** |    |    |    |    | 13
       |---------------------------------------|
    12 |  o |    |    |    |    |    |    |    |
       |---------------------------------------|
       |    |    |    | ** |    |    |    |    | 5
       |---------------------------------------|
     4 |    |    |  * |    |    |    |    |    |
       +---------------------------------------+
                    3         2        1

       Diagram 107.--BLACK TO MOVE AND WHITE TO DRAW.

Black plays

         (1) 7-2

threatening (2) 3-7 and (3) 15-11.   White can prevent this only
by

         (1) ...          24-20

Now 3-7 would only draw on account of 16-11.

         (2) 2-6          20-24
         (3) 6-10         24-20

Again 3-7 had to be prevented.

         (4) 10-14        20-24
         (5) 14-17        24-27

This time 24-20 would have lost, as Black would have replied (6)
17-13, 20-24; (7) 3-7, 12-8; (8) 15-11.

         (6) 17-13        27-32

Avoiding 27-24 which would lose by (7) 3-7

         (7) 13-9         32-27
         (8) 9-14         27-24
         (9) 14-18        24-27

Drawn. White has to watch 3-7 and to take care to play 24-20 at
the right time so as to exchange 16-11 if 3-7 is played. At the
same time he must beware of playing 24-20 when the Black Kings
are on squares 15 and 5 or 15 and 13, as otherwise Black would
reply 5-9, 20-24; 3-7, 12-8; 15-11.

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