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Subject: Re: 'Simple' Pawn Endgame (not for some)

Author: Chessfun

Date: 20:44:16 09/12/02

Go up one level in this thread


On September 12, 2002 at 21:47:11, martin fierz wrote:

>On September 12, 2002 at 21:04:46, Gian-Carlo Pascutto wrote:
>
>>[D]8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 59
>>
>>--
>>GCP
>
>looks simple enough for fritz. is it missing something here?
>aloha
>  martin


No either 1...Ke6 or Ke7 seems to work.
Some engines though seem to have more trouble than others;

New game
8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 1

Analysis by Sjeng 12.13:
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 16/20   00:00:00  230kN, tb=231
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 16/21   00:00:01  238kN, tb=329
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 17/21   00:00:01  377kN, tb=422
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 17/22   00:00:01  386kN, tb=518
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 18/22   00:00:01  593kN, tb=636
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 18/25   00:00:01  605kN, tb=755
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 19/25   00:00:01  1290kN, tb=905
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 19/27   00:00:01  1305kN, tb=1053
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 20/27   00:00:02  2273kN, tb=1316
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 20/29   00:00:02  2290kN, tb=1525
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 21/29   00:00:05  5506kN, tb=2095
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 21/30   00:00:05  5551kN, tb=2389
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 22/30   00:00:14  16029kN, tb=4252
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 22/32   00:00:14  16079kN, tb=4638
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 23/32   00:00:33  44866kN, tb=7044
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 23/37   00:00:33  44960kN, tb=7466
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 24/37   00:01:13  93850kN, tb=15007
1...Ke7 2.Kg4 Kf6 3.Kf3 Ke6 4.Kg4 Kf6 5.Kf3 Ke6 6.Kg4
  =  (0.00)   Depth: 24/41   00:01:13  93982kN, tb=15562

New game
8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 1

Analysis by Chess Tiger 14.0:
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb5 8.Kc3 h6
9.Kb3 Kc6 10.Kc3 Kd6 11.Kd3
  =  (-0.04)   Depth: 19   00:00:00  614kN, tb=467
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb5 8.Kc3 h6
9.Kb3 Kc6 10.Kc3 Kd7 11.Kd3
  =  (-0.04)   Depth: 20   00:00:01  885kN, tb=860
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb5 8.Kc3 Ka4
9.h6 Ka3 10.Kc2 Kb4 11.Kd3
  =  (-0.10)   Depth: 21   00:00:05  3799kN, tb=1526
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb6 8.Ke3 h6
9.Kd2 Ka5 10.Kc3 Kb5 11.Kd2
  =  (-0.08)   Depth: 22   00:00:21  15608kN, tb=4247
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb5 8.Kc3 Ka4
9.h6 Ka3 10.Kc2 Kb4 11.Kd3
  =  (-0.10)   Depth: 23   00:00:39  28093kN, tb=7981
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd6 6.Kd3 Kc6 7.Kd2 Kb5 8.Kc3 h6
9.Kb3 Ka5 10.Ka3 Ka6 11.Kb4
  =  (-0.04)   Depth: 24   00:02:29  117322kN, tb=28663


New game
8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 1

Analysis by Shredder Paderborn:
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf7 4.g4 Ke7 5.Kf2 Kd6 6.Ke1 Kc6 7.Kd2 Kb5 8.Kc3 Ka4
9.Kd3 h6 10.Kc3 Ka5 11.Kb3 Kb5 12.Ka3 Kc4 13.Ka2 Kxd4 14.Kb3 Kc5 15.Kc2 d4
  =  (0.00)   Depth: 18/30   00:00:00  260kN, tb=1127
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf7 4.g4 Ke7 5.Kf2 Kd6 6.h6 Ke6 7.Ke2 Ke7 8.Kd2 Kd6
9.Kc3 Kc6 10.Kb4 Kb6 11.Ka4 Kc7 12.Kb4 Kb6 13.Ka4 Kc7 14.Kb4 Kb6 15.Ka4
  =  (0.00)   Depth: 19/31   00:00:01  316kN, tb=2012
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Kf2 Kd6 6.h6 Ke6 7.Ke2 Kf7 8.Kf3 Kf6
9.Ke2 Kg6 10.Kd2 Kxh6 11.Kc3 Kg6 12.Kb4 h5 13.Kb5 hxg4 14.Kc6 Kf6 15.Kc5 Ke6
  =  (-0.01)   Depth: 20/32   00:00:01  744kN, tb=2985
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Kf2 Kd6 6.h6 Ke6 7.Ke2 Kf7 8.Kf3 Kf6
9.Kg3 Ke6 10.Kf3 Ke7 11.Kg3 Kf6 12.Kg2 Ke6 13.Kf3 Ke7 14.Kg3 Kf6 15.Kg2 Ke6
  =  (-0.01)   Depth: 21/33   00:00:02  1041kN, tb=4184
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Kf2 Kd6 6.h6 Ke6 7.Kg3 Ke7 8.Kf2 Kf6
9.Kf3 Ke6 10.Ke3 Kf7 11.Kf3 Kf6 12.Kg3 Ke6 13.Kf3 Ke7 14.Kg3 Kf6 15.Kg2 Ke6
  =  (-0.02)   Depth: 22/34   00:00:05  2123kN, tb=7534
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Kf2 Kd6 6.h6 Ke6 7.Kg3 Ke7 8.Kf2 Kf6
9.Kf3 Ke6 10.Ke3 Kf7 11.Kf3 Kf6 12.Kg3 Ke6 13.Kf3 Ke7 14.Kg3 Kf6 15.Kg2 Ke6
  =  (-0.03)   Depth: 23/35   00:00:09  3833kN, tb=9453
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke2 Kd7 6.h6 Kc6 7.Ke3 Kb5 8.Kd3 Ka4
9.Kc2 Kb4 10.Kb2 Kc4 11.Ka3 Kxd4 12.Kb2 Kc4 13.Kc2 d4 14.Kd2 Kb4 15.Kd3 Kc5
  =  (-0.03)   Depth: 24/36   00:00:22  14699kN, tb=15649
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke2 Kd7 6.h6 Kc6 7.Ke3 Kb5 8.Kd3 Ka4
9.Kc2 Kb4 10.Kb2 Kc4 11.Ka3 Kxd4 12.Kb2 Kc4 13.Kc2 d4 14.Kd2 Kb4 15.Kd3 Kc5
  =  (-0.03)   Depth: 25/37   00:00:26  15797kN, tb=18962
1...Ke7 2.Ke2 Ke6 3.Kf3 Kf5 4.Ke2 g4 5.Ke3 Kg5 6.h6 Kf5 7.Kd2 Ke4 8.Kc3 Kf3
9.Kd3 Kxg3 10.Kc3 Kh4 11.Kb4 g3 12.Kc5 Kg4 13.Kxd5 g2 14.Kc6 g1Q 15.d5
  ³  (-0.28)   Depth: 26/38   00:02:27  109273kN, tb=224859

Chess Tiger 15 normal

00:00:01.0	0.00	22	715747	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Ke7 Kd3 Kd6 Ke3 Kd7 Kd3
Kc6 Kc2 Kb5 Kb3 Kb6 Kc3
00:00:02.0	0.00	23	1558879	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Ke7 Kd3 Kd6 Kc3 Kd7
Kb4 Kc6 Ka5 Kc7 Kb5 Kd6 Kb6
00:00:02.9	0.00	24	2286190	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Kd7 Kd3 Kc6 Kc2 Kb5
Kb3 Ka5 Ka3 Kb5 Kb3 Ka5 Ka3
00:00:04.3	0.00	25	3600733	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Kd7 Kd3 Kc6 Kc2 Kb5
Kb3 Ka5 Ka3 Kb5 Kb3 Ka5 Ka3
00:00:06.5	0.00	26	5531737	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Kd7 Kd3 Kc6 Kc2 Kb5
Kb3 Ka5 Ka3 Kb5 Kb3 Ka5 Ka3
00:00:07.8	0.00	27	6696663	h6 Kg4 Ke6 Kf3 Kf5 g4+ Ke6 Ke3 Kd7 Kd3 Kc6 Kc2 Kb5
Kb3 Ka5 Ka3 Kb5 Kb3 Ka5 Ka3
00:00:23.3	0.04	28	20409378	h6 Kg4 Ke6 Kf3 Ke7 Ke2 Kd6 Kf3 Ke7 Ke2 Kd6 Kf3 Ke7
Ke2 Kd6 Kf3 Ke7 Ke2 Kd6 Kf3
00:00:42.1	0.90	28	37238231	Ke7 Kg4 Kf6 Kf3 Kf5 g4+ Ke6 Ke3 Kd6 Kd3 Kc6 Kc3 Kb5
Kb3 h6 Kc3 Ka4 Kd3 Kb4 Kd2
00:00:44.7	1.84	28	39316940	Ke7 Kg4 Kf6 Kf3 Kf5 g4+ Ke6 Ke3 Kd6 Kd3 Kc6 Kc3 Kb5
Kb3 h6 Kc3 Ka4 Kd3 Kb4 Kd2
00:00:44.7	1.84	29	39328363	Ke7 Kg4 Kf6 Kf3 Kf5 g4+ Ke6 Ke3 Kd6 Kd3 Kc6 Kc3 Kb5
Kb3 h6 Kc3 Ka4 Kd3 Kb4 Kd2
00:00:44.7	1.84	30	39330880	Ke7 Kg4 Kf6 Kf3 Kf5 g4+ Ke6 Ke3 Kd6 Kd3 Kc6 Kc3 Kb5
Kb3 h6 Kc3 Ka4 Kd3 Kb4 Kd2
00:01:49.8	2.74	31	94741173	Ke7 Kg4 Kf6 Kf3 Kf5 g4+ Ke6 Ke3 Kd6 Kd3 Kc6 Kc3 Kb5
Kb3 h6 Kc3 Ka4 Kd3 Kb4 Kd2


New game
8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 1

Analysis by Deep Fritz 7:

1...h6 2.Kg4 Ke6 3.Kf3 Kd6
  =  (0.00)   Depth: 17/22   00:00:00  205kN, tb=127
1...Ke6!
  =  (-0.03)   Depth: 17/23   00:00:00  316kN, tb=136
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6
  =  (0.00)   Depth: 18/24   00:00:00  455kN, tb=299
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3
  =  (0.00)   Depth: 19/25   00:00:01  782kN, tb=556
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Kd3 Kc6 7.Kd2 Kb5
  =  (0.00)   Depth: 20/26   00:00:02  1065kN, tb=961
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Kd3 Kc6 7.Kd2 Kb5
  =  (-0.06)   Depth: 21/30   00:00:23  14075kN, tb=2599
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Kd3 Kc6 7.Kd2 Kb5
  =  (-0.06)   Depth: 22/36   00:00:23  14255kN, tb=3712
1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Kd3 Kc6 7.Kd2 Kb5
  =  (-0.06)   Depth: 23/33   00:00:24  14490kN, tb=5563
1...Ke6!
  ³  (-0.34)   Depth: 24/39   00:05:21  195891kN, tb=32646

Sarah.







>Neue Partie eingeben
>8/7p/3k4/3p2pP/3P4/5KP1/8/8 b - - 0 1
>
>Analysis by Fritz 7:
>
>1...Ke6 2.Kg4 h6 3.Kf3 Ke7 4.Ke3
>  =  (0.00)   Tiefe: 23/30   00:00:00  68kN
>1...Ke6 2.Kg4 h6 3.Kf3 Ke7 4.Ke3 Ke6
>  =  (0.00)   Tiefe: 24/31   00:00:00  144kN
>1...Ke6!
>  =  (-0.13)   Tiefe: 25/34   00:00:04  1058kN
>1...Ke6!
>  ³  (-0.41)   Tiefe: 25/35   00:00:06  1464kN
>1...Ke6!
>  µ  (-0.97)   Tiefe: 25/35   00:00:07  1882kN
>1...Ke6! 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Ke2 Kc6
>  -+  (-2.03)   Tiefe: 25/35   00:00:09  2366kN
>1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Ke2 Kc6
>  -+  (-2.03)   Tiefe: 26/33   00:00:11  2769kN
>1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Ke2 Kc6
>  -+  (-2.13)   Tiefe: 27/36   00:00:14  3741kN
>1...Ke6 2.Kg4 Kf6 3.Kf3 Kf5 4.g4+ Ke6 5.Ke3 Kd7 6.Ke2 Kc6
>  -+  (-2.22)   Tiefe: 28/38   00:00:19  5017kN



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