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Subject: Re: Crafty WAC Results

Author: Slater Wold

Date: 18:24:38 09/12/01

Go up one level in this thread


On September 12, 2001 at 20:41:01, Dann Corbit wrote:

>On September 12, 2001 at 20:33:39, Slater Wold wrote:
>[snip]
>>Nope, did not find it.  I will see how long it does take to find it.
>
>Don't bother.  This version of crafty won't find it.  Not after days of
>analysis.
>
>BTW, on that other problem, crafty has found TWO new solutions to the problem!
>
>It's unusual to find a new solution to a WAC problem.  It's very unusual to find
>two new solutions, and I don't think any program has found two new solutions to
>the same problem in one day.

Well.  How nice.  My name goes in the history books.  :)

BTW, too late.  I already tried.  Here it is:

White(1): setboard 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1

       +---+---+---+---+---+---+---+---+
    8  |   |   | *B|   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    7  |   | *R|   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    6  |   |   | *K| B | *P|   | *P|   |
       +---+---+---+---+---+---+---+---+
    5  | *P|   |   | *P| P |   | P |   |
       +---+---+---+---+---+---+---+---+
    4  |   |   | *P| P |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    3  |   | *P| P |   |   |   | K |   |
       +---+---+---+---+---+---+---+---+
    2  |   | R |   |   |   | P |   |   |
       +---+---+---+---+---+---+---+---+
    1  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

Black(1): name Administrator
Crafty 18.10 vs Administrator
Black(1): time 360000
time remaining:  60:00 (crafty).
Black(1): otim 360000
time remaining:  60:00 (opponent).
Black(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 60:00 (30:00)
         nss  depth   time  score   variation (1)
starting thread 1
               10     0.10  -2.87   1. ... Rf7 2. Kg4 a4 3. Bc5 Kd7 4.
                                    Ba3 Rf5 5. Bd6 Bb7 6. Ba3
         (2)   10->   0.13  -2.87   1. ... Rf7 2. Kg4 a4 3. Bc5 Kd7 4.
                                    Ba3 Rf5 5. Bd6 Bb7 6. Ba3
               11     0.22  -2.89   1. ... Rf7 2. Kg4 a4 3. Ba3 Kd7 4.
                                    f3 Bb7 5. Rh2 Bc6 6. Rh6 Rg7
         (2)   11->   0.38  -2.89   1. ... Rf7 2. Kg4 a4 3. Ba3 Kd7 4.
                                    f3 Bb7 5. Rh2 Bc6 6. Rh6 Rg7
               12     0.71  -2.74   1. ... Rf7 2. Ba3 a4 3. f3 Rf5 4. Kg4
                                    Bd7 5. Rh2 Kc7 6. Rh6 Be8 7. Bb2
               12     1.10  -2.91   1. ... a4 2. Ba3 Rh7 3. f3 Rh5 4. Kf4
                                    Kd7 5. Bb4 Rh4+ 6. Kg3 Rh7 7. Kf4 Bb7
         (2)   12->   1.22  -2.91   1. ... a4 2. Ba3 Rh7 3. f3 Rh5 4. Kf4
                                    Kd7 5. Bb4 Rh4+ 6. Kg3 Rh7 7. Kf4 Bb7
               13     2.19  -2.97   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Kg3 Rh5 <HT>
         (2)   13->   3.18  -2.97   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Kg3 Rh5 <HT>
               14     4.08  -2.97   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Ke3 Rh5
         (2)   14->   5.46  -2.97   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Ke3 Rh5
               15     6.44  -2.92   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Ke3 Rh5 9. Kf4
         (3)   15->  15.60  -2.92   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Ke3 Rh5 9. Kf4
         (2)   16    17.21  -2.93   1. ... a4 2. Ba3 Rh7 3. Rb1 Kd7 4.
                                    f3 Bb7 5. Rb2 Rh5 6. Kf4 Bc6 7. Bd6
                                    Rh4+ 8. Ke3 Bb5 9. Ba3 Bc6
               16    26.72  -2.94   1. ... Rh7 2. Rb1 Rh5 3. Kg4 a4 4.
                                    Ba3 Bb7 5. f3 Kc7 6. Kf4 Rh7 7. Bb2
                                    Rf7+ 8. Kg4 Bc6 9. Rh1 Kd7
               16->  27.18  -2.94   1. ... Rh7 2. Rb1 Rh5 3. Kg4 a4 4.
                                    Ba3 Bb7 5. f3 Kc7 6. Kf4 Rh7 7. Bb2
                                    Rf7+ 8. Kg4 Bc6 9. Rh1 Kd7
               17    53.02  -3.03   1. ... Rh7 2. Rb1 a4 3. Ba3 Kd7 4.
                                    Kg2 Rh5 5. f4 Rh4 6. Kg3 Rh7 7. Rb2
                                    Bb7 8. Rh2 Rg7 9. Rh6 Bc6
               17->   1:01  -3.03   1. ... Rh7 2. Rb1 a4 3. Ba3 Kd7 4.
                                    Kg2 Rh5 5. f4 Rh4 6. Kg3 Rh7 7. Rb2
                                    Bb7 8. Rh2 Rg7 9. Rh6 Bc6
               18     2:06  -3.03   1. ... Rh7 2. Rb1 Rh5 3. Kg4 Ba6 4.
                                    Ba3 Kd7 5. f3 a4 6. Rb2 Rh1 <HT>
               18->   2:09  -3.03   1. ... Rh7 2. Rb1 Rh5 3. Kg4 Ba6 4.
                                    Ba3 Kd7 5. f3 a4 6. Rb2 Rh1 <HT>
               19     3:59  -3.04   1. ... Rh7 2. Rb1 a4 3. f4 Ba6 4. Ba3
                                    Bb7 5. Bd6 Kb6 6. Ra1 Bc6 7. Ba3 Kc7
                                    8. Rb1 <HT>
               19->   4:09  -3.04   1. ... Rh7 2. Rb1 a4 3. f4 Ba6 4. Ba3
                                    Bb7 5. Bd6 Kb6 6. Ra1 Bc6 7. Ba3 Kc7
                                    8. Rb1 <HT>
               20     8:02  -2.93   1. ... Rh7 2. Rb1 a4 3. f4 Rh5 4. Ba3
                                    Bd7 5. Rg1 Kc7 6. Kg2 Rh4 7. Bc1 Rh8
                                    8. Rh1 Rb8 9. Bb2 Rf8 10. Kf3 Bc6 11.
                                    Ke3
               20->   9:09  -2.93   1. ... Rh7 2. Rb1 a4 3. f4 Rh5 4. Ba3
                                    Bd7 5. Rg1 Kc7 6. Kg2 Rh4 7. Bc1 Rh8
                                    8. Rh1 Rb8 9. Bb2 Rf8 10. Kf3 Bc6 11.
                                    Ke3
               21    14:18  -2.93   1. ... Rh7 2. Rb1 a4 3. f4 Rh5 4. Ba3
                                    Bd7 5. Rg1 Kc7 6. Bc1 Be8 7. Kg2 Rh7
                                    8. Ba3 Rd7 9. Rh1 Rf7 10. Kf3 Rf5 11.
                                    Bd6+ Kc6 12. Ke3
               21->  16:14  -2.93   1. ... Rh7 2. Rb1 a4 3. f4 Rh5 4. Ba3
                                    Bd7 5. Rg1 Kc7 6. Bc1 Be8 7. Kg2 Rh7
                                    8. Ba3 Rd7 9. Rh1 Rf7 10. Kf3 Rf5 11.
                                    Bd6+ Kc6 12. Ke3
               22    26:54  -2.92   1. ... Rh7 2. Rb1 a4 3. f4 Rh5 4. Ba3
                                    Bd7 5. Rg1 Be8 6. Rd1 Rh7 7. Kg2 Rf7
                                    8. Bc1 Rb7 9. Bb2 Re7 10. Ra1 Kc7 11.
                                    Rh1 Bc6 12. Kf3
              time=30:00  cpu=200%  mat=-1  n=2793396882  fh=3%  nps=1551k
              ext-> chk=92636109 cap=2817667 pp=29088882 1rep=2211978 mate=29600
              predicted=0  nodes=2793396882  evals=783219072
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=2%  pawn=1%  used=99%
              SMP->  split=5437  stop=976  data=11/32  cpu=60:13  elap=30:00
Black(1): Rh7
              time used:  30:00

Oh well.  2 *new* solutions will do.  :)


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