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Subject: Re: 3 mating problems - How much time your programs take?

Author: Larry Griffiths

Date: 17:54:58 08/17/00

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On August 16, 2000 at 16:57:08, Jari Huikari wrote:

>[D]3R1B1K/5p2/2p2p2/b1rPNP1n/q1rkNP2/1Pp2Q2/1n6/5B2 W - -
>[D]1B1N4/p2n4/3P1P2/2nk1BP1/P7/N7/K3P2P/1Q6 W - -
>[D]kbb2rr1/1p6/p3p1q1/PN1pB3/1n6/R3Q3/5PB1/6K1 W - -
>
>These were quite hard positions for Nero.
>It needed 143 s. for the first one, 262 for the second and the third
>wasn't yet solved in 12 minutes.
>
>                                       Jari

My program is just starting to crawl out of the swamps so all it has is basic
alpha-beta and no PV yet.  I did the second problem first...

TreeSearch depth=10
f5-d7 Alpha=          26022
b8-a7 Alpha=       88888891

Elapsed Time= 84.50 seconds

Ply ---CAPTURES-- -----MOVES----- -----TOTAL----- BF
  1            10             164             174  1
  2           183              94             277
  3           322           6,315           6,637
  4         6,262           1,628           7,890 24
  5         7,240         187,815         195,055  0
  6       147,972          44,527         192,499 23
  7       145,719       4,434,626       4,580,345  0
  8     2,307,004       1,269,358       3,576,362 11
  9     1,202,478      40,715,881      41,918,359  0
 10    17,899,898       4,657,426      22,557,324  0
    _____________ _______________ _______________
       21,717,088      51,317,834      73,034,922

       Captures/Moves Per Second=         864,319



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