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Subject: Re: Pawn Endgame - Analysis Ruffian 2.1.0 (for Perola too)

Author: Eduard Nemeth

Date: 10:48:00 05/18/04

Go up one level in this thread


On May 18, 2004 at 13:23:24, Eduard Nemeth wrote:

>On May 18, 2004 at 13:15:05, Eduard Nemeth wrote:
>
>>Pawn-endgame (Testposition) !
>>
>>In a Bullet-Game (Yesterday) I have not seen a winning Line in a Pawn endgame.
>>
>>:(
>>
>>[Event "Wertungspartie, 1m + 0s"]
>>[Site "Großer Spielsaal"]
>>[Date "2004.05.17"]
>>[Round "?"]
>>[White "Opponent"]
>>[Black "Eduard"]
>>[Result "1/2-1/2"]
>>[ECO "C21"]
>>[WhiteElo "2141"]
>>[BlackElo "2089"]
>>[SetUp "1"]
>>[FEN "8/3k3p/1p4p1/p2p1p2/PP3P1P/2PK2P1/8/8 w - - 0 40"]
>>[PlyCount "6"]
>>[EventDate "2004.05.17"]
>>[TimeControl "60"]
>>
>>40. Kd4 {0} Kd6 {1} (40... b5 $3 41. Kxd5 axb4 42. cxb4 bxa4 43. Kc4 Kc6 44.
>>b5+ Kb6 45. Kb4 a3 46. Kxa3 Kxb5 47. Kb3 Kc5 48. Kc3 Kd5 49. Kd3 h6 50. Ke2 Ke4
>>51. Kf2 Kd3 52. Kf3 Kd2 53. Kf2 h5 54. Kg1 Ke1 55. Kg2 Ke2 56. Kg1 Kf3 57. Kh2
>>Kf2 58. Kh3 Kg1 59. g4 hxg4+ 60. Kg3) 41. Kd3 {0} Kd7 {1} 42. Kd4 {1} Kd6 {
>>(Lag: Av=0.34s, max=0.6s) 0} 1/2-1/2
>>
>>Diagram:
>
>[D]8/3k3p/1p4p1/p2p1p2/PP1K1P1P/2P3P1/8/8 b - - 0 1
>
>b6-b5! wins.
>
>Line:
>
>40... b5!! 41. Kxd5 axb4 42. cxb4 bxa4 43. Kc4 Kc6 44.
>b5+ Kb6 45. Kb4 a3 46. Kxa3 Kxb5 47. Kb3 Kc5 48. Kc3 Kd5 49. Kd3 h6 50. Ke2 Ke4
>51. Kf2 Kd3 52. Kf3 Kd2 53. Kf2 h5 54. Kg1 Ke1 55. Kg2 Ke2 56. Kg1 Kf3 57. Kh2
>Kf2 58. Kh3 Kg1! -+
>
>
>Which Program can find the winning move 40…b5!! and with a score >+1 for black?
>
>Eduard.

Er weiss nicht so recht was er soll:

Opponent - Eduard, Wertungspartie, 1m + 0s 2004
8/3k3p/1p4p1/p2p1p2/PP1K1P1P/2P3P1/8/8 b - - 0 1

Analysis by Ruffian 2.1.0:

40...axb4 41.cxb4
  ³  (-0.49)   Tiefe: 1/3   00:00:00
40...axb4 41.cxb4 Ke6
  ³  (-0.59)   Tiefe: 2/6   00:00:00
40...axb4 41.cxb4 Ke6 42.a5
  ³  (-0.53)   Tiefe: 3/6   00:00:00
40...axb4 41.cxb4 Kd6 42.a5 b5
  ±  (0.80)   Tiefe: 4/8   00:00:00
40...Kd6
  =  (0.00)   Tiefe: 4/8   00:00:00
40...Kd6
  =  (0.00)   Tiefe: 5/8   00:00:00
40...Kd6
  =  (0.00)   Tiefe: 6/8   00:00:00  2kN
40...Kd6
  =  (0.00)   Tiefe: 7/9   00:00:00  5kN
40...Kd6
  =  (0.00)   Tiefe: 8/12   00:00:00  11kN
40...Kd6
  =  (0.00)   Tiefe: 9/13   00:00:00  23kN
40...Kd6
  =  (0.00)   Tiefe: 10/15   00:00:00  51kN
40...b5 41.axb5 a4 42.Kd3 Kc7 43.Kc2 Kb6 44.Kb2 h5 45.Ka3 Kxb5
  =  (-0.12)   Tiefe: 10/16   00:00:01  166kN
40...b5 41.axb5 a4 42.Kd3 Kc7 43.Kc2 Kb6 44.Kb2 Kxb5 45.Ka3 h6
  =  (-0.14)   Tiefe: 11/18   00:00:01  249kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc7 44.b5 a3 45.Kb3 Kb6 46.Kxa3 Kxb5
47.Kb3
  ³  (-0.29)   Tiefe: 12/20   00:00:03  544kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc7 44.b5 a3 45.Kb3 Kb6 46.Kxa3 Kxb5
47.Kb3 Kc6
  =  (0.01)   Tiefe: 13/21   00:00:04  922kN
40...Kd6
  =  (0.00)   Tiefe: 13/21   00:00:04  922kN
40...Kd6
  =  (0.00)   Tiefe: 14/21   00:00:05  1071kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kd6 44.b5 a3 45.Kb3 Kc5 46.Kxa3 Kxb5
47.Kb2 Kc6 48.Kc2 h6
  =  (-0.19)   Tiefe: 14/26   00:00:08  2052kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb2 Kc6 48.Kc2 Kd5 49.Kd2 Ke4
  =  (-0.19)   Tiefe: 15/29   00:00:11  3188kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb2 Kc6 48.Kc2 Kd5 49.Kd2 Ke4
  =  (0.01)   Tiefe: 16/29   00:00:16  4950kN
40...Kd6
  =  (0.00)   Tiefe: 16/29   00:00:16  4950kN
40...Kd6
  =  (0.00)   Tiefe: 17/29   00:00:18  5546kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb3 Kc6 48.Kc2 Kd5 49.Kd3
  =  (-0.19)   Tiefe: 17/32   00:00:41  10266kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb3 Kc6 48.Kc2 Kd5 49.Kd3 Ke6 50.Ke3
  =  (0.01)   Tiefe: 18/35   00:00:53  14946kN
40...Kd6
  =  (0.00)   Tiefe: 18/35   00:00:53  14946kN
40...Kd6
  =  (0.00)   Tiefe: 19/35   00:00:58  16422kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb3 Kc6 48.Kc2 Kd5 49.Kd3 Ke6 50.Ke3 Kf6
  =  (-0.09)   Tiefe: 19/38   00:01:35  30602kN
40...b5 41.Kxd5 axb4 42.cxb4 bxa4 43.Kc4 Kc6 44.b5+ Kb6 45.Kb4 a3 46.Kxa3 Kxb5
47.Kb3 Kc6 48.Kc2 Kd5 49.Kd3 Ke6 50.Ke3 Kf6 51.Kf3
  =  (0.01)   Tiefe: 20/38   00:02:13  44985kN
40...Kd6
  =  (0.00)   Tiefe: 20/38   00:02:13  44985kN
40...Kd6
  =  (0.00)   Tiefe: 21/38   00:02:25  48787kN

(Nemeth, Privat 18.05.2004)

Hmm. ;-(

Eduard




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