Author: Ed Schröder
Date: 04:55:58 01/17/01
Go up one level in this thread
On January 17, 2001 at 06:31:56, Uri Blass wrote:
>On January 17, 2001 at 05:15:20, Uri Blass wrote:
>
>>On January 17, 2001 at 05:04:36, Uri Blass wrote:
>>
>>>On January 17, 2001 at 04:52:01, Ed Schröder wrote:
>>>
>>>>On January 17, 2001 at 04:38:13, Dan Andersson wrote:
>>>>
>>>>>Yes, one should not weaken the pawn position in that way. My point is that Rebel
>>>>>was forced into the pawn endgame instead of going for it immediatelly, if it had
>>>>>seen the endgame as winning it would have forced it.
>>>>
>>>>During that part of the game I was very surprised to see Rebel keeping a
>>>>+pawn score all the time even after Rd7 as the remaining pawn ending is
>>>>equal in material. I did not get it. If memory serves me well the first
>>>>3-4 moves in the end-game the Rebel score remained a pawn up before the
>>>>score started to climb, seeing the win. I still must check my code where
>>>>on earth that positional advantage comes from :)
>>>
>>>I think that you should check because the advantage is clearly more than one
>>>pawn and Deep Fritz has no problem to see more than 2 pawns advantage at
>>>tournament time control.
>>>
>>>Uri
>>
>>The score go down after more time only to fail high again so it seems that Deep
>>Fritz does not see deeper than Rebel.
>>
>>Uri
>
>My Deep Fritz did not use a lot of tablebases in my first search.
>I do not see the fail low when I give Deep Fritz to use tablebases including
>the KPPvs KP tablebases and the score climbs slowly to more than +2 but not at
>tournament time control.
>
>Uri
I was wrong saying that it took Rebel 3-4 moves in the pawn-ending before
Rebel smells the win as the score immediately goes up. Here are the official
main-lines of the game:
Ed
---------------
34. Ke2 Rd7 { 00:02:14 15.00 0.70 Rd7 Rxd2 Rxd2 Kxd2 Kd5 Kd3 h6 f3 h5 Kc3 g5
hxg5 f4 g6 Ke6 g7 Kf7 g8 (c) }
35. Rxd7 Kxd7 { 00:00:25 14.00 0.70 Kxd7 Kxd2 Ke6 Ke3 Ke5 f3 h5 Kd3 Kd5
Kc3 g5 hxg5 f4 g6 Ke6 g7 Kf7 g8 (c) }
36. Kxd2 Kd6 { 00:03:16 21.00 2.27 Kd6 Kd3 Kd5 f3 h6 Kc3 g5 hxg5 hxg5 b5 Kc5
f4 gxf4 gxf4 Kxb5 Kb3 a5 Kc3 Kc5 Kb3 Kb5 Kc3 Kc5 Kb3 (c) }
37. Kc3 Kd5 { 00:02:03 21.00 1.49 Kd5 f4 h6 Kb3 Ke4 Kc4 Kf3 Kb5 Kxg3 Ka6 Kxh4
Kxa7 g5 fxg5 hxg5 (c) }
38. f3 h6 { 00:03:44 22.00 1.49 h6 Kb3 Kd4 b5 Ke3 f4 Kf3 Kb4 Kxg3 Ka5 Kxh4 Ka6
g5 fxg5 hxg5 Kxa7 f4 b6 f3 b7 f2 b8 (c) }
39. Kb3 Kd4 { 00:00:00 21.05 1.49 Kd4 Ka4 Ke3 f4 Kf3 Kb5 Kxg3 Ka6 Kxh4 b5 g5
fxg5 hxg5 Kxa7 f4 b6 f3 b7 f2 b8 (c) }
40. Ka4 Ke3 { 00:00:11 20.00 2.48 Ke3 f4 Kf3 Ka5 Kxg3 b5 Kxh4 Ka6 g5 Kxa7 gxf4
b6 f3 b7 f2 b8 (c) }
41. f4 Kf3 { 00:00:06 19.00 4.36 Kf3 Kb5 Kxg3 Ka6 Kxh4 b5 g5 Kxa7 g4 b6 g3 b7
g2 b8 (c) }
42. Ka5 Kxg3 { 00:01:28 27.00 9.63 Kxg3 Ka6 Kxh4 b5 g5 Kxa7 g4 b6 g3 Ka6 g2 b7
g1 (c) }
43. Ka6 Kxh4 { 00:00:00 24.02 9.82 Kxh4 b5 g5 fxg5 hxg5 Kxa7 g4 b6 g3 b7 g2 b8
(c) }
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