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Subject: Re: Lets give different program a chance to solve the drawing move.

Author: Uri Blass

Date: 10:46:25 02/22/02

Go up one level in this thread


On February 22, 2002 at 13:31:45, Martin Giepmans wrote:

>On February 22, 2002 at 12:26:19, Jorge Pichard wrote:
>
>>In the 4th game between GM Van Wely Vs Rebel Century 4, if we set up the
>>position after the 42th move and allow different programs to continue the game
>>using the same time as was left in the actual game. How many programs can find
>>the correct continuation to draw this game?
>>
>>[D]3r3k/5p1p/1p1P1P2/p7/P2RNKP1/1P6/7r/8 b - - 0 1
>
>
>I wonder if there is a draw.
>White threatens Rc4, d7 and Rc8.
>Passive defence (Kg8 and Rh2-h1-d1) is met with Ke4-d5-c6
>and/or again Rc4.
>Looks bad.
>What else? maybe h5!?
>
>Martin


Yace without previous learning can see nothing and goes for the line Kg8 Ke5 Rc2
Rc4 rxc4 that is only changing the order of moves of Rebel.

New game - Junior 7
[D]3r3k/5p1p/1p1P1P2/p7/P2RNKP1/1P6/7r/8 b - - 0 1

Analysis by Yace 0.99.56:

44...Kg8 45.d7 Kf8 46.Ng5 Rh4 47.Ne4
  ²  (0.40)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00  54kN
44...Kg8 45.b4 Re2 46.bxa5 bxa5 47.Kf3 Re1
  ²  (0.36)   Depth: 6   00:00:00  54kN
44...Kg8 45.Rc4 Rh3 46.b4 Rd3 47.bxa5 bxa5
  ²  (0.31)   Depth: 7   00:00:00  164kN
44...Kg8 45.b4 axb4 46.Rxb4 Ra2 47.Rc4 Kf8 48.d7 h5 49.Rc8
  ²  (0.35)   Depth: 8   00:00:01  441kN
44...h5 45.Kg3 Rh1 46.Kg2 Rh4 47.Ng5 Rd7 48.Rd3
  ²  (0.34)   Depth: 8   00:00:01  441kN
44...h5 45.Kg3 Rh1 46.gxh5 Rxh5 47.d7 Kg8 48.Kg4 Re5 49.Kg3
  =  (0.20)   Depth: 8   00:00:02  441kN
44...h5 45.gxh5 Rxh5 46.Rc4 Kh7 47.Rc6 Rh4+ 48.Kg5 Rxe4 49.Rxb6
  =  (0.13)   Depth: 9   00:00:06  1235kN
44...h5 45.gxh5 Rxh5 46.Rc4 Kh7 47.Rc6 Rh4+ 48.Kf5 Rh5+ 49.Kg4 Re5 50.Kf3 Rde8
51.d7 Rd8
  =  (0.16)   Depth: 10   00:00:13  2528kN
44...h5 45.d7 Kh7 46.Ng5+ Kg6 47.Nf3 Rf2 48.Rd6 hxg4 49.Kxg4 Re2 50.Nh4+ Kh7
51.Nf5 Rh2
  =  (0.24)   Depth: 11   00:00:36  7967kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Kg8 48.Rd6 Kh8 49.Kg5 Rh1 50.Ne5 Rg1+
51.Kf4 Rf1+ 52.Kg4 Rg1+ 53.Kf5
  ²  (0.34)   Depth: 12   00:00:54  13836kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Kh7 48.Ke5 Kg6 49.Kd6 Kf5 50.Kc7 Rxg4
51.Rxg4 Rxd7+ 52.Kxd7
  ²  (0.45)   Depth: 13   00:01:57  29664kN
44...Kg8 45.b4 axb4 46.Rxb4 Ra2 47.Rxb6 Rxa4 48.Rb7 h5 49.gxh5 Rxd6 50.Rb8+ Kh7
51.Rb7 Rxf6+ 52.Kg3
  ²  (0.44)   Depth: 13   00:02:46  39268kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.c5 bxc5 49.Nxc5 Re8+ 50.Kd4 Re2
51.d7 Re1 52.d8Q+ Re8
  ²  (0.45)   Depth: 13   00:03:12  46954kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Kh7 48.Ke5 Kg6 49.Kd6 Kf5 50.Kc7 Rxg4
51.Rxg4 Rxd7+ 52.Kxd7
  ²  (0.45)   Depth: 13   00:03:12  46954kN
44...h6 45.d7 Rc2 46.Ke5 Rc7 47.Nf2
  ²  (0.44)   Depth: 13   00:04:45  68435kN
44...h6 45.Ke5 Rc2 46.Rc4 Re2 47.b4 Kg8 48.bxa5 bxa5 49.Rc7 Re8+ 50.Re7 Kf8
51.Kd5
  ²  (0.35)   Depth: 13   00:06:40  97297kN
44...h6 45.Nd2 Kg8 46.d7 Rf2+ 47.Nf3 Rb2 48.Nd2
  ²  (0.43)   Depth: 14   00:08:14  127930kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.c5 bxc5 49.Nxc5 Re8+ 50.Kf5
  ²  (0.42)   Depth: 14   00:10:24  154320kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.c5 bxc5 49.Nxc5 Re8+ 50.Kf4 Re2
51.d7 Rf2+ 52.Ke5 Rxf6 53.d8Q+ Kg7
  ²  (0.42)   Depth: 14   00:10:35  156325kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.c5 bxc5 49.Nxc5 Re8+ 50.Kd4 h6
51.d7 Rd8 52.Ke5 Kg8 53.Kf5 Kf8
  ²  (0.62)   Depth: 15   00:13:59  213844kN
44...h6 45.Nd2
  ²  (0.61)   Depth: 15   00:14:58  232405kN
44...h6 45.Nd2 h5 46.Nf3 Rh1 47.d7 hxg4
  ²  (0.51)   Depth: 15   00:18:20  296222kN
44...h6 45.Nd2 Kh7 46.d7 Re2 47.Nc4 Re6
  ²  (0.70)   Depth: 16   00:31:15  521532kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.d7 Rxd7 49.Ng5
  ²  (0.69)   Depth: 16   00:37:40  625382kN
44...Kg8 45.Ke5 Rc2 46.Rc4 Rxc4 47.bxc4 Kf8 48.c5 bxc5
  ²  (0.67)   Depth: 16   00:42:11  687348kN

(Blass, Tel-aviv 22.02.2002)



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