Author: David Dahlem
Date: 08:20:46 10/02/04
Go up one level in this thread
On October 02, 2004 at 10:59:48, Mike Byrne wrote: >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 The Dann Corbit version of Crafty 19.17 doesn't find Kg4 on my P3/933. Crafty 19.17 DC: 9 00:00 192.275 480.687 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 9 00:00 213.887 475.304 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 10 00:01 483.285 543.016 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 Kf3 10 00:01 524.248 551.840 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 Kf3 11 00:02 1.623.925 634.345 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 Kf3 8.Kc3 11 00:02 1.708.037 637.327 0.00 1. ... Rh1 2.Ka2 Rh2+ 3.Ka3 Rh1 4.a7 Ra1+ 5.Kb2 Rxa7 6.Rxh3 Kg4 7.Rh6 Kf3 8.Kc3 12 02:38 113.466.911 718.145 +6.40 1. ... Rh1 2.a7 Ra1 3.Rh4+ Ke5 4.Ra4 Rb1+ 5.Ka2 h2 6.a8Q h1Q 7.Qe8+ Kd5 8.Qd7+ Kc5 9.Qf5+ Kd6 10.Qxb1 Qxb1+ 11.Kxb1 12 03:10 132.589.812 697.841 +2.14 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh4+ Ke3 5.Rh7 Kd4 6.Kb4 Kd5 7.Kb5 Kd6 12 03:11 133.224.464 697.510 +2.14 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh4+ Ke3 5.Rh7 Kd4 6.Kb4 Kd5 7.Kb5 Kd6 13 03:31 145.665.599 690.358 +2.12 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh7 Ke5 5.Kb4 Kd6 6.Kb5 Rc8 7.Rf7 Re8 8.Kb6 13 03:33 146.841.018 689.394 +2.12 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh7 Ke5 5.Kb4 Kd6 6.Kb5 Rc8 7.Rf7 Re8 8.Kb6 14 04:16 173.957.490 679.521 +2.12 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh7 Ke5 5.Kb4 Kd6 6.Kb5 Rc8 7.Rf7 Ke6 8.Rc7 Rd8 14 04:20 176.897.790 680.376 +2.12 1. ... Re2 2.a7 Re8 3.Rxh3 Ra8 4.Rh7 Ke5 5.Kb4 Kd6 6.Kb5 Rc8 7.Rf7 Ke6 8.Rc7 Rd8 Regards Dave
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