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Subject: Re: Positional test - Paralyzing the Knight

Author: Vincent Diepeveen

Date: 08:46:18 03/01/01

Go up one level in this thread


On February 28, 2001 at 11:43:26, Ed Schröder wrote:

>On February 28, 2001 at 11:12:09, Sune Larsson wrote:
>
>>
>>  [D]4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1
>>
>>  This is Hort-Ciocaltea, Budapest 1973. Only two moves are required
>>  to immobilize the black knight and pave the way for the victorious
>>  march of the white king to the deserted queenside:
>>
>>  1.g5! Bc8 2.g4! and black's position is ripe for resignation.
>>
>>  Test: The above move order should be rewarded with big +scores for white.
>>
>>  Sune
>
>
>Maybe Rebel's way is as good as.... 1.Bd4 Ke7 and then 2.g5 Bc8 3.g5
>
>Ed

I get the same here Ed,
but a small question on eval.

I thought diep was pretty optimistic in endgame,
but i don't get near your white score. What causes in
this position rebel to score so optimistic for white.

I mean: 2 passers for black. 1 worthless white pawn.
White only has a cool bishop versus sucking knight and real
soon a bit better king. How do you get to 0.7 here so quick?


Here output of diep:


Analysis mode is on
Process 1: engineflags=0 msk=1
process 0: engineflags = 0 denktime=10000000 maxtime=10000000
00:00 9 (0) 1 -4.88 Bc2xg6 h7xg6
00:00 11 (0) 1 -0.65 Bd2-c3
00:00 12 (0) 1 -0.35 Kg1-f2
00:00 23 (0) 1 -0.31 Bd2-b4
00:00 56 (0) 2 -0.55 Bd2-b4 Kf7-e7
++ g1-f2
00:00 97 (0) 2 -0.54 Kg1-f2 Ne8-f6
00:00 300 (0) 3 -0.16 Kg1-f2 Kf7-f6 Bd2-b4
00:00 1056 (315) 4 -0.33 Kg1-f2 Kf7-e7 Bd2-g5 Ne8-f6
00:00 2183 (529) 5 -0.11 Kg1-f2 Kf7-e7 Bd2-g5 Ne8-f6 Kf2-f3
00:00 5574 (1574) 6 -0.20 Kg1-f2 Bb7-c8 Bd2-b4 Kf7-e7 Kf2-e3 Ne8-f6
00:00 14593 (2816) 7 -0.05 Kg1-f2 Kf7-e7 Bd2-e3 Ke7-f6 g4-g5 Kf6-e7 h3-h4 a6-a5

00:00 34441 (7681) 8 -0.20 Kg1-f2 Kf7-e7 Kf2-f3 Ne8-f6 Bd2-e3 Bb7-c8 g4-g5 Nf6-h
5
++ d2-b4
00:00 57331 (9421) 8 -0.02 Bd2-b4 Kf7-e7 Kg1-f2 Ne8-f6 g4-g5 Nf6-d7 Kf2-e3 Nd7-b
6 Bc2-d3
00:02 141605 (15727) 9 -0.05 Bd2-b4 Kf7-e7 Bc2-a4 Ne8-f6 c4-c5 Bb7xd5 c5xd6 Ke7-
e6 g4-g5 Nf6-d7 Ba4xd7 Ke6xd7 Kg1-f2
00:02 184532 (18621) 10 -0.05 Bd2-b4 Kf7-e7 Bc2-a4 Ne8-f6 c4-c5 Bb7xd5 c5xd6 Ke7
-e6 g4-g5 Nf6-d7 Ba4xd7 Ke6xd7 Kg1-f2
00:03 334043 (22988) 11 -0.11 Bd2-b4 Kf7-e7 Bc2-a4 Ne8-f6 c4-c5 Bb7xd5 c5xd6 Ke7
-e6 g4-g5 Nf6-d7 Ba4xd7 Ke6xd7 Bb4-c5 Kd7-c6
00:08 874538 (82349) 12 0.09 Bd2-b4 Kf7-e7 g4-g5 Ne8-g7 g3-g4 Ng7-e8 Kg1-f2 Ne8-
c7 Kf2-e3 Bb7-c8 Bc2-e4 Bc8-d7
00:17 1981392 (197048) 13 0.13 Bd2-b4 Kf7-e7 g4-g5 Bb7-a8 Bc2-a4 Ne8-c7 c4-c5 d6
xc5 Bb4xc5 Ke7-d8 d5-d6 Nc7-b5 Kg1-f2 Ba8-c6
00:35 4136278 (361066) 14 0.21 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Ne8-c7 Kg1-f2 Bc
8-b7 Kf2-e3 Bb7-c8 Bb4-a5 Nc7-e8 Bc2-a4
01:10 8387807 (509633) 15 0.23 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Ne8-c7 Kg1-f2 Bc
8-b7 Kf2-e3 Nc7-e8 Bc2-e4 Ne8-g7 h3-h4 Bb7-c8 Ke3-f3
02:32 18542931 (952921) 16 0.24 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Bc8-b7 Bc2-a4 N
e8-c7 Bb4-a5 Nc7-e8 Kg1-f2 Ne8-g7 Kf2-e3
06:16 45268913 (2711187) 17 0.28 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Bc8-d7 Kg1-f2
Bd7-c8 Kf2-e3 Bc8-b7 h3-h4 Bb7-c8 h4-h5 Ke7-f7 Bc2-a4 Bc8xg4 h5xg6 h7xg6 Ba4xe8
Kf7xe8
22:02 155326748 (15794155) 18 0.39 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Bc8-d7 Kg1-f
2 Bd7-c8 Kf2-e3 Bc8-d7 Ke3-f3 Ne8-c7 c4-c5 Nc7xd5 c5xd6 Ke7-e6 Bb4-c5 Bd7-c6 Bc2
-b3 a6-a5
43:32 305604615 (19187839) 19 0.39 Bd2-b4 Kf7-e7 g4-g5 Bb7-c8 g3-g4 Bc8-d7 Kg1-f
2 Bd7-c8 Kf2-e3 Bc8-d7 Bb4-a5 Ke7-f8 Ke3-f3 Kf8-e7 Ba5-b4 Ne8-c7 c4-c5 Nc7xd5 c5
xd6 Ke7-e6 Bb4-c5




>---------------
>
>Loading...
>
>Engine version   : Rebel Century 3.1
>Hash table size  :  60 Mb
>
>4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - -
>
>00:00:00  04.00  0.41  1.g5 Bc8 2.g4 Bd7  [1350]
>00:00:01  06.00  0.52  1.Kf2 Ke7 2.g5 Bc8 3.g4 Bd7  [21003]
>00:00:01  07.00  0.48  1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.h4 Kf6  [52075]
>00:00:03  09.00  0.61  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Ke3 Nc7 5.Bb4  [107868]
>00:00:04  10.00  0.65  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Bb4 Nc7 5.c5 Nxd5 6.cxd6
>[165688]
>00:00:07  11.00  0.65  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Bb4 Nc7 5.c5 Nxd5 6.cxd6
>Ke6  [265123]
>00:00:17  12.00  0.67  1.g5 Ke7 2.Kf2 Nc7 3.Bb4 Bc8 4.g4 Bb7 5.h4 Kd7 6.h5 Ke7
>7.hxg6  [312378]
>00:00:27  12.05  0.78  1.Bb4 Ke7 2.Ba4 Nf6 3.c5 dxc5 4.Bxc5 Kd8 5.d6 Nd5 6.Kf2
>e4  [327503]
>00:00:42  13.00  0.74  1.Bb4 Ke7 2.g5 Bc8 3.g4 Bb7 4.Kf2 Nc7 5.c5 Nxd5 6.cxd6
>Kd7  [337210]
>00:01:38  14.00  0.77  1.Bb4 Ke7 2.g5 Bc8 3.g4 Bd7 4.Kf2 Nc7 5.Kf3  [346005]



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