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Subject: Re: Troitsky endgame position (1913) Nice position!!!

Author: Dieter Buerssner

Date: 16:59:21 03/25/03

Go up one level in this thread


On March 25, 2003 at 19:35:11, Tanya Deborah wrote:

>8/2pp2pp/8/2PP1P2/1p5k/8/PP4p1/6K1 w - - 0 1

Indeed nice! Yace shows after about one minute a rather convincing score. No
doubt, other engines will be faster. I guess, this will be just around the limit
of calculatable depth in reasonable time for many engines.

P4, 2.53 GHz:

[    nodes   time   score depth]
  31635224  31.763   0.75 18.  1. Kxg2 Kg5 2. a4 bxa3 3. bxa3 Kf6 4. a4 Ke7 5.
                               a5 Kd8 6. c6 dxc6 7. dxc6 Kc8 8. Kf3 Kb8 9. Kf4
                               Ka7 10. Ke5 {0}
  40197914  41.150   0.78 19t  1. Kxg2 Kg5 2. a4 bxa3 3. bxa3 Kf6 4. a4 Ke7 5.
                               Kf3 Kd8 6. Kf4 Kc8 7. Ke5 Kb7 8. f6 gxf6+ 9.
                               Kxf6 c6 10. Ke5 h5 11. a5 {0}
  50870032  54.426   0.79 19t+ 1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf5
                               5. a4 h5 6. a5 Kg5 7. d6 f5 8. a6 f4 9. Kh2 f3
                               10. a7 f2 11. dxc7 f1=Q 12. c8=Q Qf4+ 13. Kh1
                               {0}
  54249148  58.952   1.15 19++ 1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 h5 5.
                               a4 h4 6. a5 f5 7. a6 f4 8. Kh2 f3 9. a7 f2 10.
                               Kg2 f1=R 11. a8=Q Rf4 {421}
  60636991  1:06.2   2.15 19++ 1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 h5 5.
                               a4 h4 6. a5 f5 7. a6 f4 8. Kh2 f3 9. a7 f2 10.
                               Kg2 f1=R 11. a8=Q Rf4 {421}
  63721784  1:09.9   4.23 19t  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke5 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               c4 10. a7 c3 11. a8=Q c2 12. Qc6 {681}
  65883162  1:12.3   4.23 19.  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke5 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               c4 10. a7 c3 11. a8=Q c2 12. Qc6 {681}
  74925190  1:22.3   4.35 20t  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke4 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6H
                               d5H 10. a7H c4H 11. a8=QH c3H 12. Kf2H Kd4H {HT}
  83385030  1:32.4   4.35 20.  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke4 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               d5 10. a7 c4 11. a8=Q c3 12. Kf2 Kd4
  97682418  1:49.3   4.35 21t  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke5 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               c4 10. a7 c3 11. a8=Q d5 12. Qa5H Kf4H {HT}
 127769710  2:26.3   4.35 21.  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke5 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               c4 10. a7 c3 11. a8=Q d5 12. Qa5 Kf4
 158203312  3:13.9   4.75 22++ 1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke5 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               c4 10. a7 h5 11. a8=Q Kf4 12. Qh8 Kg5
 172913817  3:36.2   5.27 22t  1. f6 gxf6 2. Kxg2 Kg5 3. a4 bxa3 4. bxa3 Kf4
                               5. a4 Ke4 6. d6 cxd6 7. c6 dxc6 8. a5 c5 9. a6
                               f5 10. a7 d5 {HT} {-240}

Regards,
Dieter



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