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Subject: Re: One eng eval 0.0 the other mate in 27 and is right! Testposition!?

Author: Uri Blass

Date: 07:52:40 02/14/05

Go up one level in this thread


On February 14, 2005 at 08:46:05, Ingo Bauer wrote:

>Hallo
>
>This game was played with a Dual Xeon 3GHz + some 6 man tbs for Deep Junior and
>a Athlon XP @ 2500 MHz and 5 pcs tbs.
>
>This is the biggest difference in evaluation I have ever seen on an actual game.
>
>I was impressed because I thougt by myself that it is a draw_
>
>Nice endgame, maybe a testposition has to be earlier in that game.

Yes

After g3+ it is a forced mate and even yace with slow hardware see it easily

Deep Junior 9 - Shredder 9 UCI, 60m + 15s Maschinenraum 2005
8/7p/1b6/8/6Pk/6P1/7K/8 b - - 0 1

Analysis by Yace 0.99.56:

50...Kxg4
  -+  (-3.98)   Depth: 1   00:00:00
50...Kxg4 51.Kg2
  -+  (-3.92)   Depth: 2   00:00:00
50...Kxg4 51.Kh1 h5
  -+  (-4.12)   Depth: 3   00:00:00
50...Kxg4 51.Kh1 Bd4 52.Kg2
  -+  (-4.03)   Depth: 4   00:00:00
50...Kxg4 51.Kh1 Bd4 52.Kh2 h5
  -+  (-4.18)   Depth: 5   00:00:00
50...Kxg4 51.Kh1 Bd4 52.Kh2 Bc5 53.Kg2 Bd6 54.Kf1
  -+  (-5.28)   Depth: 6   00:00:00
50...Kxg4 51.Kh1 Bd4 52.Kh2 Bc5 53.Kg2
  -+  (-5.28)   Depth: 6   00:00:00
50...Kxg4 51.Kh1 Bd4 52.Kh2 Bf2 53.Kg2 Bc5
  -+  (-5.28)   Depth: 7   00:00:00  2kN
50...Kxg4 51.Kh1 Ba7 52.Kh2 h6 53.Kg2 Bb8 54.Kf1 Kxg3
  -+  (-4.78)   Depth: 8   00:00:00  6kN
50...Kxg4 51.Kh1 Bc5 52.Kh2 h5 53.Kh1 Kf3 54.Kh2
  -+  (-4.16)   Depth: 8   00:00:00  6kN
50...Kxg4 51.Kh1 Bc5 52.Kh2 h5 53.Kh1 Kf3 54.Kh2 Ke4
  -+  (-4.23)   Depth: 9   00:00:00  17kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1
  -+  (-5.28)   Depth: 10   00:00:00  38kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
  -+  (-5.28)   Depth: 11   00:00:00  94kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1
  -+  (-5.28)   Depth: 12   00:00:00  150kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1 Bc5+ 58.Kh1 Ba3 59.Kg1 Bc5+
  -+  (-5.28)   Depth: 13   00:00:00  214kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1 Bc5+ 58.Kh1 Ba3 59.Kg1 Bc5+
  -+  (-5.28)   Depth: 15   00:00:01  489kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1 Bc5+ 58.Kh1 Ba3 59.Kg1 Bc5+
  -+  (-5.28)   Depth: 16   00:00:03  789kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
  -+  (-5.28)   Depth: 17   00:00:04  1168kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1
  -+  (-5.28)   Depth: 18   00:00:07  1908kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kh3 54.Kh1 Bd6 55.Kg1 Bc5+ 56.Kh1 Ba3
57.Kg1 Bc5+ 58.Kh1 Ba3 59.Kg1 Bc5+
  -+  (-5.28)   Depth: 19   00:00:10  3117kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kg2 Kg6 55.Kf2 Be5 56.Kf3 Kg7 57.g4
h4 58.Kg2 Bd4 59.g5 Kh8 60.g6 Bb6 61.Kf1 h3
  -+  (-4.88)   Depth: 21   00:00:32  10947kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Bc7 56.Kg1 Kg4
57.Kf1 Be5 58.Kg1 Kf3 59.Kh1 Ke3
  -+  (-4.28)   Depth: 21   00:00:45  16438kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Kg5 56.Kf2 Bc5+
57.Kg2 Kf5 58.Kf3 Bd4 59.Kg2 Be5 60.Kf1 Kg4 61.Kg1 Bb8 62.Kh1 Bc7 63.Kg1 Kf5
64.Kf2 Bd6 65.Kf1 Kg5
  -+  (-4.28)   Depth: 22   00:00:56  20473kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Kg5 56.Kf2 Bc5+
57.Kg2 Kf5 58.Kf3 Bd4 59.Kg2 Be5 60.Kf1 Kg4 61.Kg1 Bb8 62.Kh1 Bc7 63.Kg1 Kf5
64.Kf2 Bd6 65.Kf1
  -+  (-4.28)   Depth: 22   00:01:01  22900kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Kg5 56.Kf2 Bc5+
57.Kg2 Kg4 58.Kh2 Bd4 59.Kh1 Bb6 60.Kh2 Bc7 61.Kg1 Kf5 62.Kf2 Bd6 63.Kf1 Kg5
64.Kf2 Kf5
  -+  (-4.28)   Depth: 23   00:01:06  25008kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Kg5 56.Kf2 Kg4
57.Kg2 Be5 58.Kh1 Bb8 59.Kg1 Bc7 60.Kg2 Kf5 61.Kf1 Bd6 62.Kg2 Kg5 63.Kf1 Bc5
64.Kg2 Be7 65.Kf1 Bd6
  -+  (-4.28)   Depth: 24   00:01:25  30860kN
50...Kxg4 51.Kh1 h5 52.Kh2 Bc7 53.Kg1 Kf5 54.Kf2 Bd6 55.Kf1 Kg5 56.Kf2 Kg4
57.Kg2 Be5 58.Kh1 Bb8 59.Kg1 Bc7 60.Kg2 Kf5 61.Kf1 Bd6 62.Kg2 Kg5 63.Kf1 Bc5
64.Kg2 Be7 65.Kf1
  -+  (-4.28)   Depth: 24   00:01:35  34058kN
50...Kxg4 51.Kh1 Bc5 52.Kg2
  -+  (-4.69)   Depth: 25   00:01:49  39003kN
50...Kxg4 51.Kh1 Bc5 52.Kh2 Ba7 53.Kg2 h5 54.Kh2 Be3 55.Kg2 Kg5 56.Kh3 Ba7
57.Kg2 Bb6 58.Kf1 Ba5 59.Kg1 Kg4 60.Kg2 Kg5 61.Kf1 Bb4 62.Kg2 Kf6 63.Kf1 Kf5
64.Kg1 Kg4 65.Kh1 Kf5
  -+  (-4.69)   Depth: 25   00:02:54  67158kN
50...Kg5 51.Kh3 Bd8 52.Kg2 Kxg4 53.Kg1 Kh3 54.Kf1
  -+  (-4.70)   Depth: 25   00:04:11  89203kN
50...Kg5 51.Kg2 h6 52.Kf1 Kf6 53.Ke1
  -+  (-5.69)   Depth: 25   00:07:04  134282kN
50...Kg5 51.Kg2 h6 52.Kf3 Ba7 53.Kg2 Kf6 54.Kh2 Bd4 55.Kh3 Bb6 56.Kg2 Ke5 57.Kf3
Ba7 58.Kg2 Bc5 59.Kf1 Ke4 60.Kg2 Bb6 61.Kh3 Ke3 62.Kh4 Kf3 63.Kh5 Be3 64.Kh4
Bg5+ 65.Kh3 Bd8
  -+  (-#47)   Depth: 25   00:07:04  134719kN
50...Kg5 51.Kg2 h6 52.Kf3 Ba7 53.Kg2 Kf6 54.Kh2 Bb6 55.Kg2 Ke5 56.Kf3 Ba7 57.Kg2
Ke4 58.Kh2 Bb6 59.Kh3 Ke3 60.Kh4 Kf3 61.Kh5 Be3 62.Kh4 Bg5+ 63.Kh3
  -+  (-#45)   Depth: 25   00:09:34  176720kN

(Blass, Tel-Aviv 14.02.2005)


Test position is probably to find
50.g5 that is probably a draw(I do not think that the relevant table was already
constructed considering the fact that there are 3 pawns on the board)

[D]8/7p/1b6/8/6Pk/8/6PK/8 w - - 0 50 bm g5

Uri



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