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Up Topic The Rybka Lounge / Test Positions / Bishop and Pawn Endgame Position
- - By Clementin (*) Date 2015-09-15 02:22
8/P5k1/P5p1/5pKp/4bP1P/6P1/5B2/8 w - - 0 1


White to play and win!
Parent - By Akbarfan (***) Date 2015-09-16 19:22
as? which pv?
Parent - By user923005 (****) [us] Date 2015-09-16 19:56
Bd4 to get your king out of the box.
Parent - By Clementin (*) Date 2015-09-16 22:31
Hint: The first move is a pawn move!
Parent - - By drdos7 [us] Date 2016-02-08 21:44
hello,

     It appears there is an alternate solution to this test position:

FEN:
8/P5k1/P5p1/5pKp/4bP1P/6P1/5B2/8 w - - 0 1


Stockfish_16012901_x64_bmi2:
1/1  00:00   998  499k  +1.75  1.Bf2-e3
2/2  00:00   2k  1,021k  +2.22  1.Bf2-e3 Kg7-f7

3/3  00:00   3k  1,317k  +1.74  1.Bf2-b6 Be4-d5 2.Bb6-e3 Kg7-f7

4/4  00:00   4k  2,021k  +1.81  1.Bf2-e3 Kg7-f7 2.Be3-b6 Be4-d5

5/6  00:00   11k  5,715k  +1.70  1.Bf2-c5 Kg7-f7 2.Bc5-e3 Be4-h1 3.Be3-d2

6/6  00:00   14k  7,092k  +1.58  1.Bf2-c5 Kg7-f7 2.Bc5-d6 Be4-d5 3.Bd6-b4 Bd5-f3

7/7  00:00   18k  8,987k  +1.56  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-c3

8/8  00:00   30k  14,777k  +1.50  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-h1 4.Bc3-d2 Bh1-e4

9/10  00:00   36k  11,876k  +1.48  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-h1 4.Bc3-a5 Bh1-c6 5.Ba5-d2 Bc6-h1

10/11  00:00   44k  14,549k  +1.48  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-d5 3.Bb4-d2 Bd5-c6 4.Bd2-a5 Bc6-e4 5.Ba5-d8 Be4-d5 6.Bd8-b6

11/13  00:00   69k  22,977k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-e3 Be4-d5 3.Be3-b6 Bd5-c6 4.Bb6-d4 Bc6-f3 5.Bd4-e5 Bf3-e4 6.Be5-c3 Be4-d5

12/13  00:00   74k  18,496k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-d5 3.Bb4-c3 Bd5-h1 4.Bc3-b2 Bh1-g2 5.Bb2-c3 Bg2-e4 6.Bc3-d4 Be4-f3 7.Bd4-e5

13/13  00:00   79k  19,671k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-b2 Bd5-e4 5.Bb2-h8 Be4-d5 6.Bh8-d4 Bd5-f3 7.a7-a8Q

14/14  00:00   82k  20,448k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-e3 Bh1-d5 6.Be3-b6 Bd5-c6 7.Bb6-d4 Bc6-f3

15/15  00:00   90k  22,472k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-b2 Bd5-g2 5.Bb2-d4 Bg2-e4 6.Bd4-e3 Be4-d5 7.Be3-b6 Bd5-c6 8.Bb6-d4

16/16  00:00   101k  25,130k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-b2 Bd5-g2 5.Bb2-d4 Bg2-e4 6.Bd4-e3 Be4-d5 7.Be3-b6 Bd5-c6 8.Bb6-d4 Bc6-f3

17/17  00:00   123k  24,699k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-b2 Bd5-e4 5.Bb2-e5 Be4-d5 6.Be5-c3 Bd5-h1 7.Bc3-d4 Bh1-f3 8.Bd4-b6 Bf3-c6 9.Bb6-c5

18/18  00:00   158k  26,267k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-e4 4.Bc3-b2 Be4-g2 5.Bb2-d4 Bg2-e4 6.Bd4-e3 Be4-d5 7.Be3-g1 Bd5-e4 8.Bg1-c5 Be4-c6 9.a7-a8B Bc6xa8

19/20  00:00   206k  29,460k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-b2 Bd5-g2 5.Bb2-d4 Bg2-e4 6.Bd4-e3 Be4-d5 7.Be3-d2 Bd5-h1 8.Kg5-h6 Bh1-d5 9.Bd2-b4 Kf7-f6 10.Bb4-c3+ Kf6-f7

20/20  00:00   223k  27,835k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-a5 Bh1-c6 6.Ba5-b6 Bc6-e4 7.Bb6-e3 Be4-d5 8.Be3-g1 Bd5-e4 9.Bg1-d4 Be4-f3 10.Bd4-b2 Bf3-e4

21/21  00:00   279k  31,015k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-a5 Bh1-c6 6.Ba5-b6 Bc6-e4 7.Bb6-e3 Be4-d5 8.Be3-g1 Bd5-e4 9.Bg1-b6 Be4-c6 10.Bb6-d4 Bc6-e4 11.Bd4-c5

22/22  00:00   485k  34,629k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-d4 Be4-f3 6.Bd4-e5 Bf3-e4 7.Be5-f6 Be4-d5 8.Bf6-c3 Bd5-e4 9.Bc3-e5 Be4-c6 10.Be5-d6 Bc6-h1 11.Bd6-a3 Bh1-e4

23/23  00:00   495k  35,340k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-d4 Be4-f3 6.Bd4-e5 Bf3-e4 7.Be5-f6 Be4-d5 8.Bf6-c3 Bd5-e4 9.Bc3-e5 Be4-c6 10.Be5-d6 Bc6-h1 11.Bd6-a3 Bh1-e4 12.Ba3-c5

24/24  00:00   746k  33,905k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-d4 Be4-f3 6.Bd4-e5 Bf3-e4 7.Be5-f6 Be4-d5 8.Bf6-c3 Bd5-e4 9.Bc3-e5 Be4-c6 10.Be5-d6 Bc6-h1 11.Bd6-a3 Bh1-e4 12.Ba3-c5 Be4-h1

25/25  00:00   844k  35,180k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-d4 Be4-f3 6.Bd4-e5 Bf3-e4 7.Be5-f6 Be4-d5 8.Bf6-c3 Bd5-e4 9.Bc3-e5 Be4-c6 10.Be5-d6 Bc6-h1 11.Bd6-a3 Bh1-e4 12.Ba3-c5 Be4-h1 13.Kg5-h6

26/28  00:00   920k  35,382k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Be3-g1 Bd5-e4 12.Bg1-b6 Be4-c6 13.Bb6-a5 Bc6-h1 14.Ba5-d2 Bh1-c6

27/28  00:00   1,101k  36,696k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Kg5-h6 Bd5-e4 12.Be3-c5 Kf7-f6 13.Bc5-b6 Kf6-f7 14.Bb6-d4 Be4-f3

28/28  00:00   1,183k  36,968k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Kg5-h6 Bd5-e4 12.Be3-c5 Kf7-f6 13.Bc5-b6 Kf6-f7 14.Bb6-d4 Be4-f3

29/29  00:00   1,515k  37,885k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Kg5-h6 Bd5-e4 12.Be3-c5 Kf7-f6 13.Bc5-b6 Kf6-f7 14.Bb6-d4 Be4-f3 15.Bd4-e5 Bf3-e4

30/30  00:00   1,554k  37,895k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Kg5-h6 Bg2-d5 10.Bb2-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Bd4-e5 Bf3-e4 13.Be5-c3 Be4-h1 14.Bc3-b4 Bh1-d5 15.Bb4-d2 Bd5-h1

31/31  00:00   1,739k  37,814k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-a5 Bh1-d5 6.Ba5-c3 Bd5-e4 7.Bc3-e5 Be4-c6 8.Be5-d6 Bc6-h1 9.Bd6-a3 Bh1-d5 10.Ba3-b2 Bd5-g2 11.Kg5-h6 Bg2-d5 12.Bb2-h8 Bd5-e4 13.Bh8-d4 Be4-f3 14.Bd4-e5 Bf3-e4 15.Be5-c3 Be4-h1 16.Bc3-b4

32/32  00:00   1,933k  38,659k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-a5 Bh1-c6 6.Ba5-b6 Bc6-e4 7.Bb6-e3 Be4-d5 8.Be3-g1 Bd5-e4 9.Bg1-b6 Be4-c6 10.Bb6-a5 Bc6-h1 11.Kg5-h6 Bh1-c6 12.Ba5-b4 Bc6-d5 13.Bb4-d2 Bd5-h1 14.Bd2-e3 Bh1-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7

33/33  00:00   2,993k  39,378k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-d2 Bd5-h1 5.Bd2-a5 Bh1-c6 6.Ba5-b6 Bc6-e4 7.Bb6-e3 Be4-d5 8.Kg5-h6 Bd5-e4 9.Be3-c5 Kf7-f6 10.Bc5-b6 Kf6-f7 11.Bb6-e3 Be4-d5 12.Be3-d2 Bd5-h1 13.Kh6-g5 Bh1-c6 14.Bd2-a5 Bc6-h1 15.Kg5-h6 Bh1-c6 16.Ba5-b4 Bc6-d5 17.Bb4-c3

34/34  00:00   4,678k  41,037k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Kg5-h6 Bd5-e4 12.Be3-c5 Kf7-f6 13.Bc5-b6 Kf6-f7 14.Bb6-d4 Be4-f3 15.Bd4-b2 Bf3-d5 16.Bb2-c3 Bd5-e4 17.Bc3-d2 Be4-h1

35/36  00:00   5,027k  41,204k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-d4 Bg2-e4 10.Bd4-e3 Be4-d5 11.Kg5-h6 Bd5-e4 12.Be3-c5 Kf7-f6 13.Bc5-b6 Kf6-f7 14.Bb6-d4 Be4-h1 15.Bd4-h8 Bh1-e4 16.Kh6-g5 Be4-d5 17.Bh8-c3 Bd5-e4 18.Bc3-d2 Be4-h1

36/36  00:00   7,494k  42,338k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Kg5-h6 Bg2-d5 10.Bb2-h8 Bd5-e4 11.Kh6-g5 Be4-d5 12.Bh8-c3 Bd5-e4 13.Bc3-d2 Be4-h1 14.Bd2-a5 Bh1-d5 15.Ba5-e1 Bd5-e4 16.Kg5-h6 Be4-d5 17.Be1-d2 Bd5-h1 18.Bd2-a5 Bh1-f3

37/38  00:00   9,738k  42,899k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-c3 Bf3-d5 4.Bc3-h8 Bd5-e4 5.Bh8-e5 Be4-c6 6.Be5-d6 Bc6-h1 7.Bd6-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Kg5-h6 Bg2-d5 10.Bb2-h8 Bd5-e4 11.Kh6-g5 Be4-d5 12.Bh8-c3 Bd5-e4 13.Bc3-d2 Be4-h1 14.Bd2-a5 Bh1-d5 15.Ba5-e1 Bd5-e4 16.Kg5-h6 Be4-d5 17.Be1-d2 Bd5-e4 18.Bd2-b4 Be4-d5 19.Bb4-c3 Bd5-e4

38/39  00:00   11,160k  43,425k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-b2

39/39  00:00   22,195k  43,950k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Kh6-g5

40/40  00:00   23,077k  44,040k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Kh6-g5 Bd5-c6
41/41  00:00   26,396k  43,993k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Kh6-g5 Bd5-c6 21.Be5-d6

42/42  00:00   27,653k  44,104k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Kh6-g5 Bd5-c6 21.Be5-d6 Bc6-h1

43/43  00:00   43,408k  44,385k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-d4

44/44  00:00   43,757k  44,423k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-d4 Bd5-e4

45/45  00:01   47,440k  44,378k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-e5 Bd5-f3 23.Be5-d6

46/46  00:01   53,625k  44,465k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-e5 Bd5-f3 23.Be5-d6 Bf3-h1

47/47  00:01   55,899k  44,505k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-e5 Bd5-f3 23.Be5-d6 Bf3-h1 24.Kg5-h6

48/48  00:01   84,343k  44,391k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-e5 Bd5-f3 23.Be5-d6 Bf3-h1 24.Kg5-h6 Bh1-f3

49/49  00:02   121,554k  44,590k  +1.41  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-f3 3.Bb4-d2 Bf3-c6 4.Bd2-e3 Bc6-h1 5.Be3-f2 Bh1-e4 6.Bf2-c5 Be4-h1 7.Bc5-a3 Bh1-d5 8.Ba3-b2 Bd5-g2 9.Bb2-c3 Bg2-d5 10.Bc3-h8 Bd5-e4 11.Bh8-d4 Be4-f3 12.Kg5-h6 Bf3-e4 13.Bd4-b6 Be4-d5 14.Bb6-e3 Bd5-e4 15.Be3-c5 Kf7-f6 16.Bc5-b6 Kf6-f7 17.Bb6-d4 Be4-f3 18.Bd4-c3 Bf3-e4 19.Bc3-e5 Be4-d5 20.Be5-h8 Bd5-e4 21.Kh6-g5 Be4-d5 22.Bh8-e5 Bd5-f3 23.Be5-d6 Bf3-h1 24.Kg5-h6 Bh1-f3 25.Bd6-c5

50/59+  00:06   285,253k  45,250k  +1.48  1.Bf2-c5

50/59+  00:10   477,776k  46,790k  +1.55  1.Bf2-c5

50/59+  00:21   1,014,976k  47,323k  +1.80  1.Bf2-c5

50/59  00:29   1,401,397k  47,378k  +1.81  1.Bf2-c5 Kg7-f7 2.Bc5-b4 Be4-g2 3.Bb4-c3 Bg2-e4 4.Bc3-e1 Kf7-g7 5.Be1-a5 Kg7-f7 6.Ba5-c3 Be4-f3 7.g3-g4 h5xg4 8.h4-h5 g6xh5 9.Kg5xf5 h5-h4 10.a7-a8B Bf3xa8 11.Kf5xg4 h4-h3 12.Kg4xh3 Kf7-e6 13.Kh3-g4 Ke6-d6 14.f4-f5 Ba8-d5 15.f5-f6 Bd5-e6+ 16.Kg4-f4 Kd6-c7 17.Bc3-a5+ Kc7-b8 18.Ba5-b6 Be6-g8 19.Kf4-e5 Bg8-f7 20.Ke5-d6 Bf7-c4 21.Bb6-e3 Bc4-f7 22.Kd6-c5 Kb8-a7 23.Kc5-b5+ Ka7-b8 24.Kb5-b6 Kb8-a8 25.Kb6-c7 Bf7-c4 26.Kc7-d6 Ka8-b8 27.Kd6-c5 Bc4-f7 28.Be3-d4 Kb8-a7 29.Kc5-b5+ Ka7-b8 30.Kb5-b6

51/64+  00:37   1,751,642k  47,064k  +1.88  1.Bf2-c5

51/64+  00:38   1,792,896k  47,032k  +1.95  1.Bf2-c5

51/65+  02:33   7,326,747k  47,625k  +8.65  1.Bf2-c5

51/69  02:39   7,618,559k  47,667k  +10.23  1.Bf2-c5 Kg7-f7 2.Bc5-d4 Be4-f3 3.Bd4-e5 Bf3-e4 4.Be5-c7 Kf7-g7 5.Bc7-b8 Be4-f3 6.Bb8-e5+ Kg7-f7 7.g3-g4 h5xg4 8.h4-h5 g6xh5 9.Kg5xf5 h5-h4 10.Kf5-g5 Kf7-e6 11.Be5-d4 h4-h3 12.f4-f5+ Ke6-d6 13.Bd4-f2 Kd6-e7 14.Bf2-g3 Ke7-f7 15.Bg3-e5 Bf3-e4 16.Kg5xg4 Be4-g2 17.Be5-h2 Kf7-f6 18.Bh2-g3 Kf6-f7 19.Kg4-g5 Bg2-d5 20.f5-f6 Kf7-g8 21.Kg5-f5 Kg8-f7 22.Bg3-d6 Bd5-a8 23.Bd6-f4 Ba8-f3 24.Kf5-e5 Bf3-h1 25.Bf4-h2 Bh1-c6 26.Bh2-g3 Bc6-h1 27.Ke5-d6 Bh1-e4 28.Bg3-h2 Kf7xf6 29.Kd6-c7 Be4-a8 30.Kc7-b8 Ba8-f3 31.a7-a8Q

52/70+  03:11   9,128,664k  47,663k  +10.30  1.Bf2-c5

52/70+  03:13   9,202,125k  47,660k  +10.37  1.Bf2-c5

52/70+  05:13   14,767,545k  47,051k  +19.05  1.Bf2-c5

52/78  05:22   15,151,960k  47,051k  +19.79  1.Bf2-c5 Be4-f3 2.Bc5-d6 Bf3-e4 3.Bd6-b8 Kg7-f7 4.Bb8-e5 Be4-d5 5.g3-g4 Bd5-f3 6.Be5-c7 h5xg4 7.h4-h5 g6xh5 8.Kg5xf5 h5-h4 9.Kf5-g5 Kf7-e7 10.f4-f5 Ke7-f7 11.Bc7-b6 h4-h3 12.Bb6-c7 Kf7-e7 13.Bc7-g3 Ke7-f7 14.Bg3-e5 Bf3-e4 15.Kg5xg4 Kf7-g8 16.Be5-g3 Kg8-g7 17.Kg4-g5 Kg7-f7 18.f5-f6 Be4-h1 19.Bg3-h2 Bh1-g2 20.Bh2-e5 Bg2-e4 21.Be5-f4 Kf7-g8 22.Bf4-g3 Be4-f3 23.Bg3-h2 Bf3-h1 24.Bh2-g1 Bh1-e4 25.Kg5-f4 Be4-g2 26.Bg1-h2 Bg2-d5 27.Kf4-f5 Kg8-f7 28.Bh2-d6 Bd5-e6+ 29.Kf5-g5 Be6-d5 30.Bd6-f4 Kf7-e6 31.Bf4-h2 Bd5-f3 32.Kg5-g6 Bf3-g2 33.Kg6-g7 Bg2-h1 34.f6-f7 Ke6-d7 35.f7-f8Q

53/78  05:22   15,166,059k  47,052k  +19.79  1.Bf2-c5 Be4-f3 2.Bc5-d6 Bf3-e4 3.Bd6-b8 Kg7-f7 4.Bb8-e5 Be4-d5 5.g3-g4 Bd5-f3 6.Be5-c7 h5xg4 7.h4-h5 g6xh5 8.Kg5xf5 h5-h4 9.Kf5-g5 Kf7-e7 10.f4-f5 Ke7-f7 11.Bc7-b6 h4-h3 12.Bb6-c7 Kf7-e7 13.Bc7-g3 Ke7-f7 14.Bg3-e5 Bf3-e4 15.Kg5xg4 Kf7-g8 16.Be5-g3 Kg8-g7 17.Kg4-g5 Kg7-f7 18.f5-f6 Be4-h1 19.Bg3-h2 Bh1-g2 20.Bh2-e5 Bg2-e4 21.Be5-f4 Kf7-g8 22.Bf4-g3 Be4-f3 23.Bg3-h2 Kg8-f7 24.Kg5-f5 Bf3-d5 25.Bh2-d6 Bd5-g2 26.Bd6-g3 Bg2-d5 27.Kf5-e5 Bd5-a8 28.Bg3-h2 Ba8-h1 29.Ke5-d6 Kf7-g6 30.Kd6-e6 Bh1-f3 31.Ke6-e7 Bf3-h1 32.f6-f7 Bh1-f3 33.f7-f8Q
Parent - By Akbarfan (***) Date 2016-02-09 00:55
Nice  finding!
- - By Fishpov (**) [fr] Date 2015-09-17 23:04
8/P5k1/P5p1/5pKp/4bP1P/6P1/5B2/8 w - - 0 1

This solution doesn't seam to create problem for this marvellous engine Sting SF 5 !
Analysis by Sting SF 5 64bit:

...
1.Bc5 Kf7 2.Bb4 Ba8 3.Bd6 Be4 4.Bc5 Ba8 5.Bd4 Be4 6.Be5 Ba8 7.Bc3 Be4 8.Bd4 Bc6 9.Bb6 Be4 10.Be3 Bd5 11.Bf2 Be4 12.Be1 Kg7 13.Bb4 Kf7 14.Bc3 Bd5 15.Bf6 Ba8 16.Be5 Bd5 17.Bb2 Bh1 18.Ba1 Be4 19.Bb2 Bf3 20.Ba1 Bh1 21.Bh8 Be4 22.Bc3
  +-  (2.50)   Depth: 35   00:00:10  39619kN
1.g4
  +-  (2.58 ++)   Depth: 36   00:00:20  95364kN
1.g4
  +-  (2.66 ++)   Depth: 36   00:00:24  112mN
1.g4
  +-  (2.78 ++)   Depth: 36   00:00:25  116mN
1.g4
  +-  (2.96 ++)   Depth: 36   00:00:29  132mN
1.g4
  +-  (3.24 ++)   Depth: 36   00:00:35  164mN
Parent - - By Clementin (*) Date 2015-09-18 02:31
Sting is quite good in endgames. I should use it more often!
Parent - By user923005 (****) [us] Date 2015-09-23 00:43
8/P5k1/P5p1/5pKp/4bP1P/6P1/5B2/8 w - - acd 41; acs 629; bm g4; c0 "
http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=30572#pid554849"; ce 678; id "Rybka Forum; Clementin; 2015-09-15 02:22"; pm g4; pv g4 hxg4 h5 gxh5 a8B Bxa8 Kxf5 Kf7 a7 Bd5 Kg5 Bf3 f5 Kg7 Bd4+ Kf7 Be5 Bc6 Kxh5 g3 Bxg3 Kf6 Kg4 Kf7 Kg5 Bf3 Be1 Bd5 Bf2;
Up Topic The Rybka Lounge / Test Positions / Bishop and Pawn Endgame Position

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