Author: Richard Pijl
Date: 06:04:22 03/05/04
Go up one level in this thread
On March 04, 2004 at 17:22:55, Dieter Buerssner wrote:
>Inspired by Peter's post, where PM resigned in a draw position
>(http://www.talkchess.com/forums/1/message.html?352360) and some private
>discussion later on, I digged up a position from one of my test games
>Yace-Crafty, which you might find interesting to ponder about. (Some) engines
>may have a very hard time, to win this. Especially, when they are too clever,
>and see already a draw-score after Nxh4 (they would not try to make progress).
>Even if they don't score it as 0.0, they may easily fail to win. Even when they
>have rather clever awareness of the draw threats. They may see a Zugzwang b6-b7
>(which will be delayed just to the start of qsearch), which will actually result
>in a stalemate, but will feel happy, that the wrong colored B-theme is gone
>away.
>
>[D] 8/1p6/3p4/P3kn2/6KP/P7/3B4/8 b - - 0 47
>
>White just played h4. Crafty showed 0.0 score for Nxh4. But it is actually a
>forced mate. With some analysis I get:
>
> 11.01 0:00 +M47 50.Kxh4 Ke4 51.Kg4 d5 52.Kg3 Kd3 53.Bg5 Ke4 54.Bf4 Kd3
>55.Kf2 Kd4 56.Bg5 Kd3 57.Kf3 d4 58.Bh4 Kc4 59.Ke2 Kc3 60.Bg3 Kc4 61.Kd2 Kd5
>62.Bb8 Kc6 63.Ba7 (245.302) 445.1
> 11.15 0:01 +M47 50.Kxh4 Ke4 51.Kg4 d5 52.Kg3 Kd3 53.Bg5 Ke4 54.Bf4 Kd3
>55.Kf2 Kd4 56.Bg5 Kd3 57.Kf3 d4 58.Bh4 Kc4 59.Ke2 Kc3 60.Bg3 Kc4 61.Kd2 Kd5
>62.Bb8 Kc6 63.Ba7 (714.315) 468.7
> 12.01 0:01 +M47 50.Kxh4 Ke4 51.Kg4 d5 52.Kg3 Kd3 53.Bg5 Ke4 54.Bf4 Kd3
>55.Kf2 Kd4 56.Bg5 Kd3 57.Kf3 d4 58.Bh4 Kc4 59.Ke2 Kc3 60.Bg3 Kc4 61.Kd2 Kd5
>62.Bb8 Kc6 63.Ba7 (714.316) 468.7
> 12.15 0:07 +M47 50.Kxh4 Ke4 51.Kg4 d5 52.Kg3 Kd3 53.Bg5 Ke4 54.Bf4 Kd3
>55.Kf2 Kd4 56.Bg5 Kd3 57.Kf3 d4 58.Bh4 Kc4 59.Ke2 Kc3 60.Bg3 Kc4 61.Kd2 Kd5
>62.Bb8 Kc6 63.Ba7 (2.909.086) 386.9
> 13.01 0:07 +M47 50.Kxh4 Ke4 51.Kg4 d5 52.Kg3 Kd3 53.Bg5 Ke4 54.Bf4 Kd3
>55.Kf2 Kd4 56.Bg5 Kd3 57.Kf3 d4 58.Bh4 Kc4 59.Ke2 Kc3 60.Bg3 Kc4 61.Kd2 Kd5
>62.Bb8 Kc6 63.Ba7 (2.909.087) 386.9
>
>(the mate will be shorter).
The Baron (on P3-500) is tempted to score this as a draw for a short while, but
gives a steady growing plus on each search ply thereafter:
ply time nodes score pv
8(20)> 0:01.31 174633 +2.39 Kg4xh4
8(20)& 0:01.59 207240 +2.79 Kg4xh4 d6-d5 Kh4-g5 d5-d4 a3-a4 d4-d3
Kg5-g6 Ke5-e6 Bd2-f4
8(20). 0:01.59 207355 +2.79 Kg4xh4 d6-d5 Kh4-g5 d5-d4 a3-a4 d4-d3
Kg5-g6 Ke5-e6 Bd2-f4
9(24)> 0:02.70 364298 +2.45 Bd2-c3
9(24)& 0:03.81 487686 +2.52 Bd2-c3 Ke5-e4 Kg4xh4 d6-d5 Bc3-f6 d5-d4
Kh4-g4 d4-d3 Bf6-g5 Ke4-d5 Kg4-f3
9(24). 0:04.35 563744 +2.52 Bd2-c3 Ke5-e4 Kg4xh4 d6-d5 Bc3-f6 d5-d4
Kh4-g4 d4-d3 Bf6-g5 Ke4-d5 Kg4-f3
10(26)> 0:09.79 1356576 +2.18 Kg4xh4
10(26)- 0:11.86 1659040 +2.17 Kg4xh4 (d6-d5) (Bd2-b4) (d5-d4) (Bb4-f8) (
Ke5-d5)
(Bf8-g7) (d4-d3) (Bg7-h6) (Kd5-c6) (a3-a4)
(Kc6-d6)
(Bh6-f4) (Kd6-d7) (Kh4-g4) (Kd7-e6) (Bf4-d
2) (Ke6-d7)
(Kg4-g5) (Kd7-d6) (Bd2-e1) (d3-d2) (a5-a6)
(d2xe1Q)
(a6xb7) (Kd6-d5)
10(26)& 0:12.03 1686224 +2.49 Kg4xh4 d6-d5 Bd2-b4 d5-d4 Kh4-g3 Ke5-d5
Kg3-h3 Kd5-e5 Bb4-c5 Ke5-e4
10(26). 0:12.03 1686238 +2.49 Kg4xh4 d6-d5 Bd2-b4 d5-d4 Kh4-g3 Ke5-d5
Kg3-h3 Kd5-e5 Bb4-c5 Ke5-e4
11(28)- 0:27.68 3521618 +2.14 Kg4xh4 (d6-d5) (Bd2-b4) (d5-d4) (Kh4-g3) (
Ke5-d5)
(Kg3-h3) (Kd5-c6) (Kh3-h4) (d4-d3) (Bb4-d6
) (Kc6xd6)
(Kh4-g3) (Kd6-e5) (Kg3-f2) (d3-d2) (Kf2-e3
) (Ke5-d6)
(Ke3xd2) (Kd6-d5)
11(28)- 0:38.37 5078151 +1.24 Kg4xh4 (d6-d5) (Bd2-b4) (Ke5-e6) (Bb4-d2)
(d5-d4)
(Bd2-h6) (Ke6-d6) (Bh6-f8) (Kd6-c7) (Kh4-g
5) (d4-d3)
(Bf8-d6) (Kc7xd6) (Kg5-f4) (d3-d2) (Kf4-g3
) (Kd6-c7)
(Kg3-f2) (Kc7-d8) (Kf2-e2) (Kd8-c7) (Ke2-e
3) (Kc7-d8)
(Ke3xd2) (Kd8-c7) (Kd2-d1) (b7-b6)
11(28)& 0:46.30 6704386 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 d6-d5 a3-a4 Ke6-d7
Kh4-g4 Kd7-c8 Kg4-f3 Kc8-b8 Bc3-e5 Kb8-a7
(Be5-b8) (Ka7xb8) (Kf3-g2) (d5-d4) (Kg2-f3
) (Kb8-a7)
(Kf3-f2) (b7-b6) (a5xb6) (Ka7xb6)
11(28). 1:02.03 8968907 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 d6-d5 a3-a4 Ke6-d7
Kh4-g4 Kd7-c8 Kg4-f3 Kc8-b8 Bc3-e5 Kb8-a7
(a5-a6)
12(26)& 1:04.09 9342323 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 d6-d5 a3-a4 Ke6-d7
Kh4-g4 Kd7-c8 Kg4-f3 Kc8-b8 Bc3-e5 Kb8-a7
a5-a6
12(29). 1:24.76 12332847 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 d6-d5 a3-a4 Ke6-d7
Kh4-g4 Kd7-c8 Kg4-f3 Kc8-b8 Bc3-e5 Kb8-a7
a5-a6
13(28)& 1:29.85 13064828 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 Ke6-d7 Bc3-d4 d6-d5
Kh4-g4 Kd7-c8 Bd4-c5 Kc8-b8 Kg4-f5 d5-d4
Bc5xd4 (Kb8-a8)
13(31). 2:23.90 20116154 +0.01 Kg4xh4 Ke5-e6 Bd2-c3 Ke6-d7 Bc3-d4 d6-d5
Kh4-g4 Kd7-c8 Bd4-c5 Kc8-b8 Kg4-f5 d5-d4
Bc5xd4
14(34)+ 2:49.24 23505197 +0.36 Kg4xh4 (Ke5-e6) (Kh4-g3) (Ke6-d7) (Bd2-e3)
(Kd7-c7)
(Be3-a7) (d6-d5) (Kg3-f2) (Kc7-d8) (Kf2-e2
) (d5-d4)
14(34)& 3:04.39 25914625 +1.13 Kg4xh4 Ke5-d4 a3-a4 Kd4-c5 Kh4-g3 Kc5-c6
Bd2-e3 Kc6-c7 Be3-a7 d6-d5 Kg3-f2 d5-d4
Kf2-e1 d4-d3 Ba7-b8 Kc7xb8 Ke1-d2 Kb8-c7
Kd2xd3 (Kc7-b8) (Kd3-d4) (Kb8-c7) (Kd4-c5)
(Kc7-d8)
(Kc5-b4)
14(36). 5:18.62 43682806 +1.13 Kg4xh4 Ke5-d4 a3-a4 Kd4-c5 Kh4-g3 Kc5-c6
Bd2-e3 Kc6-c7 Be3-a7 d6-d5 Kg3-f2 d5-d4
Kf2-e1 d4-d3 Ba7-b8 Kc7xb8 Ke1-d2 Kb8-c7
Kd2xd3 (Kc7-d6) (Kd3-d2) (Kd6-e6)
15(33)+ 5:46.20 46787079 +1.48 Kg4xh4 (Ke5-d4) (Kh4-g3) (d6-d5) (Kg3-f3)
(Kd4-d3)
(Bd2-f4) (Kd3-c4) (a3-a4) (d5-d4) (Kf3-e2)
(Kc4-c3)
(Ke2-f2) (Kc3-c2)
15(35). 6:00.49 48530391 +2.38 Kg4xh4 (Ke5-d4) (Kh4-g3) (Kd4-c5) (Bd2-e3)
(Kc5-c6)
(Kg3-f3) (Kc6-c7) (Be3-a7) (d6-d5) (Kf3-e2
) (d5-d4)
(Ke2-f2)
16(36)+ 6:34.52 53784655 +2.73 Kg4xh4 (Ke5-d4) (Kh4-g4) (Kd4-c4) (Bd2-e3)
(Kc4-c3)
(Kg4-f3) (Kc3-c2) (Be3-b6) (Kc2-d2)
(Kf3-f4) (Kd2-e1)
(Bb6-a7) (Ke1-e2) (a3-a4) (Ke2-d3) (Ba7-b6
) (d6-d5)
(Kf4-g5) (Kd3-e4) (Bb6-f2) (d5-d4) (Kg5-g6
) (d4-d3)
(Bf2-e1) (Ke4-f3)
16(38)& 10:00.23 80442159 +3.42 Kg4xh4 Ke5-d4 Kh4-g4 d6-d5 Kg4-f5 Kd4-c4
Bd2-g5 Kc4-b5 Bg5-d8 Kb5-c6 Bd8-b6 Kc6-d7
(Bb6-g1) (Kd7-c7) (Bg1-h2)
16(38). 21:31.95 175759945 +3.42 Kg4xh4 Ke5-d4 Kh4-g4 d6-d5 Kg4-f5 Kd4-c4
Bd2-g5 Kc4-b5 Bg5-d8 Kb5-c6 Bd8-b6 Kc6-d7
(Bb6-g1) (Kd7-c7) (Bg1-h2)
17(42)& 39:28.18 307748057 +3.43 Kg4xh4 Ke5-d4 Kh4-g4 d6-d5 Kg4-f3 Kd4-c4
Bd2-e3 Kc4-b5 Be3-b6 Kb5-c6 Kf3-e3 Kc6-d7
Bb6-a7 Kd7-d6 Ba7-d4 Kd6-c7 Bd4-e5 Kc7-d7
(a3-a4) (Kd7-c8) (Ke3-f4) (Kc8-d7)
17(42). 97:42.99 776454242 +3.43 Kg4xh4 Ke5-d4 Kh4-g4 d6-d5 Kg4-f3 Kd4-c4
Bd2-e3 Kc4-b5 Be3-b6 Kb5-c6 Kf3-e3 Kc6-d7
Bb6-a7 Kd7-d6 Ba7-d4 Kd6-c7 Bd4-e5 Kc7-d7
(a3-a4) (Kd7-c8) (Ke3-f4) (Kc8-d7)
18(46)& 128:25.11 992665164 +3.47 Kg4xh4 Ke5-d4 Kh4-g4 d6-d5 Kg4-f3 Kd4-c4
Bd2-e3 Kc4-b5 Be3-b6 Kb5-c6 Kf3-e3 Kc6-d7
Ke3-d4 Kd7-d6 a3-a4 Kd6-c6 Bb6-c5 Kc6-c7
>
>A position, where engines still may fail later (because of the idea mentioned
>above):
>
>[D] 8/1pk5/8/P2pK3/P2B4/8/8/8 w - - 0 57
>
>Kxd5?? Kb8= (Again, many engines will resign here in a drawn position).
No problem for the Baron:
ply time nodes score pv
7(18)- 0:00.74 116744 +4.13 Bd4-a7 (d5-d4) (Ke5xd4) (Kc7-d7) (Kd4-c5)
(Kd7-c7)
(a5-a6)
7(18)- 0:00.75 122278 +3.22 Bd4-a7 (d5-d4) (Ke5xd4) (Kc7-d7) (Kd4-c5)
(Kd7-c7)
(a5-a6)
7(18)& 0:00.79 128557 +1.35 Bd4-a7 d5-d4 Ke5xd4 Kc7-d7 Kd4-c5 Kd7-c7
Ba7-b8 Kc7xb8 Kc5-b6 Kb8-c8 a5-a6
7(18). 0:00.88 150665 +1.35 Bd4-a7 d5-d4 Ke5xd4 Kc7-d7 Kd4-c5 Kd7-c7
Ba7-b8 Kc7xb8 Kc5-b6 Kb8-c8 a5-a6
8(15)+ 0:00.89 151807 +3.10 Bd4-a7 (d5-d4) (Ke5xd4) (Kc7-d7) (Kd4-c5)
(Kd7-c7)
(Kc5-b4) (b7-b6)
8(15)+ 0:00.89 152188 +4.34 Bd4-a7 (d5-d4) (Ke5xd4) (Kc7-d7) (Kd4-c5)
(Kd7-c7)
(Kc5-b4) (b7-b6)
8(19)& 0:01.38 223897 +4.69 Bd4-a7 Kc7-c6 Ke5-e6 d5-d4 Ba7xd4 Kc6-c7
Bd4-a7 Kc7-c6
8(20). 0:01.73 291759 +4.69 Bd4-a7 Kc7-c6 Ke5-e6 d5-d4 Ba7xd4 Kc6-c7
Bd4-a7 Kc7-c6
9(20)& 0:01.96 327817 +4.72 Bd4-a7 Kc7-c6 Ke5-e6 Kc6-c7 Ke6xd5 Kc7-d7
Kd5-e5 Kd7-c7 Ke5-d4 (Kc7-d7) (Ba7-b8) (Kd
7-e6)
(Bb8-f4) (Ke6-f5) (Bf4-d6) (Kf5-e6)
9(21). 0:02.81 493393 +4.72 Bd4-a7 Kc7-c6 Ke5-e6 Kc6-c7 Ke6xd5 Kc7-d7
Kd5-e5 Kd7-c7 Ke5-d4 (Kc7-d7) (Ba7-b8) (Kd
7-e6)
(Bb8-f4) (Ke6-f5) (Bf4-d6) (Kf5-e6)
10(25)& 0:03.69 613909 +4.78 Bd4-a7 Kc7-c6 Ke5-d4 Kc6-d6 Ba7-b6 Kd6-e6
Bb6-c5 Ke6-f6 Kd4xd5 Kf6-f5 (Bc5-d6)
10(25). 0:05.36 931523 +4.78 Bd4-a7 Kc7-c6 Ke5-d4 Kc6-d6 Ba7-b6 Kd6-e6
Bb6-c5 Ke6-f6 Kd4xd5 Kf6-f5 (Bc5-d6)
11(26)& 0:07.04 1176895 +4.87 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Bb6xd4 Kc6-c7
Bd4-a7 Kc7-c6 Ba7-b6 Kc6-d7 Bb6-c5 (Kd7-c8
)
(Bc5-b4) (Kc8-d7) (a5-a6)
11(26). 0:09.78 1732236 +4.87 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Bb6xd4 Kc6-c7
Bd4-a7 Kc7-c6 Ba7-b6 Kc6-d7 Bb6-c5 (Kd7-c8
)
(Bc5-b4) (Kc8-d7) (a5-a6)
12(27)& 0:14.52 2596135 +4.83 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Bb6xd4 Kc6-c7
Bd4-a7 Kc7-c6 Ba7-b6 Kc6-d7 Bb6-c5 Kd7-c6
12(28). 0:23.04 4794788 +4.83 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Bb6xd4 Kc6-c7
Bd4-a7 Kc7-c6 Ba7-b6 Kc6-d7 Bb6-c5 Kd7-c6
13(30)& 0:30.25 6005387 +4.86 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-d7 Bb6-e3 Kd7-c7 Be3-f4 Kc7-c6
Bf4-e3 (Kc6-d6) (Kc4-b5) (Kd6-d5) (a5-a6)
13(30). 0:38.82 7609380 +4.86 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-d7 Bb6-e3 Kd7-c7 Be3-f4 Kc7-c6
Bf4-e3 (Kc6-d6) (Kc4-b5) (Kd6-d5) (a5-a6)
14(33)& 0:56.14 9920505 +4.92 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-d7 Bb6-d4 Kd7-d8 Bd4-f6 Kd8-c7
Bf6-e5 Kc7-c6 Be5-f4 Kc6-d7 (Kc4-b5) (Kd7-
e7)
(a5-a6) (Ke7-e6)
14(33). 1:11.64 12681361 +4.92 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-d7 Bb6-d4 Kd7-d8 Bd4-f6 Kd8-c7
Bf6-e5 Kc7-c6 Be5-f4 Kc6-d7 (Kc4-b5) (Kd7-
e7)
(a5-a6)
15(35)& 1:45.74 17273518 +5.03 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Bb6-a7 Kd6-c6 Kd4-e5 Kc6-c7 Ke5-d5 Kc7-d7
Ba7-e3 (Kd7-c7) (Be3-f4) (Kc7-d8) (Bf4-e5)
(Kd8-c8)
(Be5-d6) (Kc8-d7) (Bd6-f4) (Kd7-e7) (Kd5-d
4) (Ke7-d7)
(Kd4-d5) <rep>
15(35). 2:16.70 21950996 +5.03 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Bb6-a7 Kd6-c6 Kd4-e5 Kc6-c7 Ke5-d5 Kc7-d7
Ba7-e3 (Kd7-c7) (Be3-f4) (Kc7-d8) (Bf4-e5)
(Kd8-c8)
(Be5-d6) (Kc8-d7) (Bd6-f4) (Kd7-e7) (Kd5-d
4) (Ke7-d7)
(Kd4-d5) <rep>
16(31)+ 2:17.58 22066399 +5.38 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Bb6-a7) (Kd6-c6) (Kd4-e5) (Kc6-d7) (Ke5-d
5) (Kd7-c7)
(Kd5-d4) (Kc7-d7) (Ba7-b8) (Kd7-e6) (Bb8-f
4) (Ke6-f6)
(Kd4-d5) (Kf6-e7) (Kd5-d4) (Ke7-f6) <rep>
16(32)+ 2:18.63 22189809 +6.28 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Bb6-a7) (Kd6-c6) (Kd4-e5) (Kc6-d7) (Ke5-d
5) (Kd7-c7)
(Kd5-d4) (Kc7-d7) (Ba7-b8) (Kd7-e6) (Bb8-f
4) (Ke6-f6)
(Kd4-d5) (Kf6-e7) (Kd5-d4) (Ke7-e8) (Kd4-d
5) (Ke8-e7) <rep>
16(39)& 4:20.87 37195622 +12.63 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-f2 Kc6-c7 Bf2-g3 Kc7-d7
Kc4-b5 Kd7-c8 Kb5-b6 Kc8-d7 Kb6xb7
16(39). 5:16.24 45950052 +12.63 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-f2 Kc6-c7 Bf2-g3 Kc7-d7
Kc4-b5 Kd7-c8 Kb5-b6 Kc8-d7 Kb6xb7
17(36)+ 5:24.94 46825587 +12.98 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Kd4-c4) (Kd6-c6) (Bb6-f2) (Kc6-c7) (Bf2-g
3) (Kc7-d7)
(Kc4-b5) (Kd7-c8) (a5-a6) (b7-b6)
17(42)& 11:49.95 89398896 +13.77 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-f2 Kc6-c7 Bf2-g3 Kc7-d7
Kc4-b5 Kd7-e7 a5-a6 b7-b6 a6-a7 Ke7-e6
a7-a8Q
17(42). 13:45.36 106431125 +13.77 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-f2 Kc6-c7 Bf2-g3 Kc7-d7
Kc4-b5 Kd7-e7 a5-a6 b7-b6 a6-a7 Ke7-e6
a7-a8Q
18(41)+ 14:34.43 110725022 +14.12 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Kd4-c4) (Kd6-c6) (Bb6-a7) (Kc6-d6) (Kc4-b
5) (Kd6-d7)
(Ba7-d4) (Kd7-c7) (Bd4-e5) (Kc7-d7)
18(41)+ 14:40.50 111643841 +15.02 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Kd4-c4) (Kd6-c6) (Bb6-a7) (Kc6-d6) (Kc4-b
5) (Kd6-d7)
(Kb5-b6) (Kd7-e7) (Kb6xb7)
18(46)& 38:39.22 258895873 +16.17 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-a7 Kc6-d6 Kc4-b5 Kd6-c7
a5-a6 b7-b6 a4-a5 Kc7-d7 a5xb6 Kd7-d8
b6-b7 Kd8-c7
18(46). 43:19.76 296611299 +16.17 Bd4-a7 Kc7-c6 Ba7-b6 d5-d4 Ke5xd4 Kc6-d6
Kd4-c4 Kd6-c6 Bb6-a7 Kc6-d6 Kc4-b5 Kd6-c7
a5-a6 b7-b6 a4-a5 Kc7-d7 a5xb6 Kd7-d8
b6-b7 Kd8-c7
19(43)+ 46:46.22 314492882 +16.52 Bd4-a7 (Kc7-c6) (Ba7-b6) (d5-d4) (Ke5xd4)
(Kc6-d6)
(Kd4-c4) (Kd6-c6) (Bb6-a7) (Kc6-d6) (Kc4-b
5) (Kd6-c7)
(a5-a6)
>
>So, it might be interesting for you, to try out the first position with your
>engine, and see, if it can win.
>
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.