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Subject: Re: CM 10th Edition has a bug ! I STOP TESTING !!!

Author: Mike Byrne

Date: 07:59:48 10/02/04

Go up one level in this thread

On October 02, 2004 at 07:46:08, Andrew Platt wrote:

>On October 02, 2004 at 00:05:32, Wilhelm Hudetz wrote:
>
>>Hi All,
>>
>>in this position (Game 60min+15sec)King3.33 didn´t find the right move in a
>>accetable time.
>>King plays 55...Th1 and lost the game. No other Top-engine
>>and the most good amateur-engines have a probem and
>>plays 55...Kg4 after some seconds.
>>To many games from King3.33 was lost to those Blackouts in endgames.
>
>Rh1 looks very wrong but neither Crafty or Shredder 5 like Kg4 - perhaps they
>have no desire for R+P v Q endgames! Both of them prefer Re2.
>
>Andy.


The Crafty I have plays Kg4!

Crafty v19.17 SE SSDF [Standard] (2 cpus)
SE code disabled

White(1): 8/8/P7/7R/5k2/1K5p/7r/8 b - - 0 1
Black(1):
Black(1):
Black(1): st 300
search time set to 300.00.
Black(1): go
              time surplus   0.00  time limit 5:00 (5:00)
              depth   time  score   variation (1)
starting thread 1
                9     4.32  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
                9->   5.19  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
               10     8.88  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
               10->   9.52  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
               11    16.00  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
               11->  17.49  -0.01   1. ... Rh1 2. Kb2 Rh2+ 3. Ka3 Rh1 4.
                                    Ka2 Rh2+ 5. Kb3
               12    26.10     +1   1. ... Rh1
               12    46.55   6.19   1. ... Rh1 2. a7 Ra1 3. Rh4+ Kg3 4.
                                    Ra4 Rb1+ 5. Ka2 h2 6. a8=Q h1=Q 7.
                                    Qg8+ Kf2 8. Rf4+ Ke2 9. Qc4+ Kd2 10.
                                    Rd4+ Ke3 11. Qd3+ Kf2 12. Qxb1
               12     1:05  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
               12->   1:06  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
               13     1:19  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
               13->   1:20  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
               14     1:52  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
               14->   1:54  -0.01   1. ... Kg4 2. Rh7 Rd2 3. a7 Rd3+ 4.
                                    Kc4 Ra3 5. Kd5 h2 6. Rxh2 <EGTB>
?              15     2:15   1/13*  1. ... Kg4
Black(0): ?
              time=2:22  cpu=69%  mat=0  n=55576056  fh=89%  nps=390K
              ext-> chk=5027535 cap=77326 pp=396647 1rep=131850 mate=1990
              predicted=0  nodes=55576056  evals=10768128  50move=0
              endgame tablebase-> probes=62152  hits=62152
              SMP->  split=668  stop=65  data=7/128  cpu=1:38  elap=2:22

Black(1): Kg4
              time used:   2:22

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