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Subject: Re: Problem ending for Yace

Author: Dieter Buerssner

Date: 15:13:04 10/06/03

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On October 06, 2003 at 11:44:26, Jouni Uski wrote:

>r7/ppK2P1P/8/2P5/3k4/8/P7/8 w - - bm Kd7

Yace PB couldn't find it here in 15 minutes.
Next version of Yace probably will do better here:

  13440167  42.927   2.34 14t  1. Kd7 Rh8 2. Kd6 a5 3. a3 Kc4 4. Ke6 Kb3 5.
                               Kf6 Rc8 6. Kg7 Kxa3 7. f8=Q Rxf8 8. Kxf8 Ka2H
                               9. h8=QH Kb3H 10. Qg8+H Kb2H 11. Kg7H a4H 12.
                               c6H a3H 13. Kh8H bxc6H {841}
  15565465  46.693   2.35 14t+ 1. Kd6 Rh8 2. c6 bxc6 3. Ke6 c5 4. Kf6H c4H 5.
                               Kg7H Rb8H 6. f8=QH c3H 7. h8=QH c2H {HT}
  16811532  48.368   2.63 14t  1. Kd6 Rh8 2. c6 bxc6 3. Ke6 Kc5 4. a4 Kc4 5.
                               Kf6 c5 6. Kg7 Rc8 7. f8=Q Rxf8 {-500}
  17621544  57.378   2.63 14.  1. Kd6 Rh8 2. c6 bxc6 3. Ke6 Kc5 4. a4 Kc4 5.
                               Kf6 c5 6. Kg7 Rc8 7. f8=Q Rxf8 {-500}
  20770443  1:04.9   2.23 15-- 1. Kd6 Rh8 2. c6 bxc6 3. Ke6 Kc5 4. f8=Q+ Rxf8
                               5. h8=N
  21236414  1:06.1   1.23 15-- 1. Kd6 Rh8 2. c6 bxc6 3. a4 c5 4. a5 Ke4 5. a6
                               c4 6. Ke7 c3 7. f8=Q Rxf8 8. Kxf8 {0}
  25260912  1:13.2   0.00 15t  1. Kd6 Rh8 2. c6 bxc6 3. a4 a5 4. Ke6 Kc5 5.
                               Ke5 Rf8 6. Ke6 Rh8 {-420}
  28624702  1:19.3   0.01 15t+ 1. Kd7 Rh8 2. Kd6 a5 3. a3 Kc4 4. c6 bxc6 5.
                               Ke6 Rc8 6. Ke7 c5 7. f8=Q a4 {501}
  29494030  1:21.1   0.01 15t  1. Kd7 Rh8 2. Kd6 a6H 3. a3H Kc4H 4. a4H Kd4H
                               5. a5H Kc4H 6. Kd7H Rxh7H 7. Kc7H Rxf7+H 8.
                               Kb6H Rc7H 9. Kxc7H {0}
  30976922  1:33.6   0.01 15.  1. Kd7 Rh8 2. Kd6 a6 3. a3 Kc4 4. a4 Kd4 5. a5
                               Kc4 6. Kd7 Rxh7 7. Kc7 Rxf7+ 8. Kb6 Rc7 9. Kxc7
                               {0}
  37205901  1:51.8   0.41 16++ 1. Kd7 Rh8 2. Kd6 a6 3. a3 Kc4 4. a4 Kd4 5. a5
                               Kc4 6. Ke6 b5 7. cxb6 Rxh7 8. f8=Q Rf7 {581}
  40291712  1:56.4   1.41 16++ 1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 Rxh7 6. f8=Q+ Kd4
  43683424  2:02.8   2.12 16t  1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 a5 6. a4 Kb6 7. Kf6 c5 8. Kg7H Rxh7+H 9.
                               Kxh7H {0}
  46977171  2:33.8   2.12 16.  1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 a5 6. a4 Kb6 7. Kf6 c5 8. Kg7 Rxh7+ 9. Kxh7
                               {0}
  61475619  3:09.6   2.47 17t  1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 a5 6. a4 Kb4 7. Kf6 Rxh7 8. f8=Q+ Kxa4 9.
                               Qc5H Rh3H {HT}
  66391576  4:00.7   2.47 17.  1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 a5 6. a4 Kb4 7. Kf6 Rxh7 8. f8=Q+ Kxa4 9.
                               Qc5 Rh3
  89728673  5:31.8   2.58 18t  1. Kd7 Rh8 2. Kd6 a6 3. c6 bxc6 4. Ke6 Kc5 5.
                               a3 a5 6. a4 Kb4 7. Kf6 Rxh7 8. f8=Q+ Kxa4 9.
                               Qc5 Rc7 10. Ke5 {341}

Regards,
Dieter




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