Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Some positions of the Arasan 4 test-suite

Author: Frank E. Oldham

Date: 19:45:43 07/15/04

Go up one level in this thread


On July 15, 2004 at 16:21:51, Dieter Buerssner wrote:

>And some more
>
>[D] 4R3/1k4p1/8/pp4P1/8/3K4/1b5P/8 w - - bm Re2; id "arasan4.62";
>
>h4 seems to be winning, too, and does not look worse?
>
>Regards,
>Dieter

crafty19.15 switches from Re2 to h4 in ply 17 and never goes back

               13->   3.19   1.63   1. Re2 Ba3 2. h4 Kc6 3. h5 Bf8 4. h6
                                    gxh6 5. gxh6 Kd7 6. h7 Bg7 7. Ra2 a4
                                    8. Re2 (s=2)
               14     3.85     +1   1. Re2!!
               14     5.12   2.13   1. Re2 Ba3 2. h4 Bf8 3. Rf2 Bc5 4.
                                    Rf7+ Kc6 5. Rxg7 a4 6. g6 a3 7. Rf7
                                    a2 8. g7 Bd4 9. g8=Q a1=Q
               14->   8.19   2.13   1. Re2 Ba3 2. h4 Bf8 3. Rf2 Bc5 4.
                                    Rf7+ Kc6 5. Rxg7 a4 6. g6 a3 7. Rf7
                                    a2 8. g7 Bd4 9. g8=Q a1=Q (s=3)
               15    11.36   2.13   1. Re2 Ba1 2. Re1 Bb2 3. Rb1 Ba3 4.
                                    Rxb5+ Ka6 5. Rf5 a4 6. Rf4 Kb5 7. Rf7
                                    Bd6 8. Rxg7 Bxh2 (s=2)
               15->  18.31   2.13   1. Re2 Ba1 2. Re1 Bb2 3. Rb1 Ba3 4.
                                    Rxb5+ Ka6 5. Rf5 a4 6. Rf4 Kb5 7. Rf7
                                    Bd6 8. Rxg7 Bxh2 (s=3)
               16    22.43   2.34   1. Re2 Ba1 2. Re1 Bb2 3. Rb1 Ba3 4.
                                    Rxb5+ Ka6 5. Rd5 a4 6. Rd4 Kb5 7. Rd7
                                    g6 8. Rb7+ Ka5 9. Ra7+ Kb5 10. Ke4
                                    (s=2)
               16->  41.33   2.34   1. Re2 Ba1 2. Re1 Bb2 3. Rb1 Ba3 4.
                                    Rxb5+ Ka6 5. Rd5 a4 6. Rd4 Kb5 7. Rd7
                                    g6 8. Rb7+ Ka5 9. Ra7+ Kb5 10. Ke4
                                    (s=6)
               17    50.77   2.28   1. Re2 Ba1 2. Re1 Bb2 3. Rb1 Ba3 4.
                                    Rxb5+ Ka6 5. Rd5 a4 6. Rd4 Kb5 7. Rd7
                                    g6 8. Rg7 Bc5 9. h3 a3 10. Rxg6 (s=5)
               17     2:10   2.41   1. h4 a4 2. h5 a3 3. Kc2 Bd4 4. Kb3
                                    Kc6 5. Kxa3 Kd7 6. Rb8 Kc6 7. Kb4 Bc5+
                                    8. Ka5 b4 <HT>
               17->   2:28   2.41   1. h4 a4 2. h5 a3 3. Kc2 Bd4 4. Kb3
                                    Kc6 5. Kxa3 Kd7 6. Rb8 Kc6 7. Kb4 Bc5+
                                    8. Ka5 b4 <HT> (s=3)
               18     3:01     +1   1. h4!!
               18     3:29   3.34   1. h4 a4 2. h5 a3 3. Kc2 Bd4 4. Kb3
                                    Kc6 5. Rg8 Kc5 6. h6 gxh6 7. gxh6 b4
                                    8. h7 Kb5 9. h8=Q Bxh8 10. Rxh8 Kc5
                                    (s=2)
               18->   4:50   3.34   1. h4 a4 2. h5 a3 3. Kc2 Bd4 4. Kb3
                                    Kc6 5. Rg8 Kc5 6. h6 gxh6 7. gxh6 b4
                                    8. h7 Kb5 9. h8=Q Bxh8 10. Rxh8 Kc5
                                    (s=4)
               19    11:02     +1   1. h4!!
               19    16:30   3.68   1. h4 b4 2. h5 b3 3. Re2 Ba1 4. Re1
                                    Bb2 5. Rb1 Be5 6. Rxb3+ Ka6 7. Ke4
                                    Bd6 8. h6 <HT> (s=3)
               19->  22:03   3.68   1. h4 b4 2. h5 b3 3. Re2 Ba1 4. Re1
                                    Bb2 5. Rb1 Be5 6. Rxb3+ Ka6 7. Ke4
                                    Bd6 8. h6 <HT>
               20    23:41     +1   1. h4!!
               20    47:41   4.63   1. h4 b4 2. Kc4 a4 3. Kxb4 a3 4. Kb3
                                    Kc6 5. Rg8 Kd5 6. h5 Ke4 7. h6 Kf5
                                    8. h7 g6 9. h8=Q Bxh8 10. Rxh8 Kxg5
                                    11. Kxa3
               20->  58:24   4.63   1. h4 b4 2. Kc4 a4 3. Kxb4 a3 4. Kb3
                                    Kc6 5. Rg8 Kd5 6. h5 Ke4 7. h6 Kf5
                                    8. h7 g6 9. h8=Q Bxh8 10. Rxh8 Kxg5
                                    11. Kxa3
              21    60:00   1/22*  1. h4

              time=60:12  cpu=396%  mat=1  n=9365628478  fh=89%  nps=2.59M
              ext-> chk=587072015 cap=6293141 pp=90146733 1rep=13348342
mate=1154560
              predicted=0  nodes=9365628478  evals=885795364  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=7621  stop=1024  data=11/64  cpu=238:45  elap=60:12

Frank



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.