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Subject: Re: Another one bites the dust [WAC.274]

Author: Slater Wold

Date: 18:47:24 03/11/02

Go up one level in this thread


On March 11, 2002 at 21:15:53, Dann Corbit wrote:

>Besides Rb6, at least two other moves seem to be just as good.  Probably, Rg5+
>is better.
>
>8/1p6/p5R1/k7/Prpp4/K7/1NP5/8 w - - acd 17; acn 237015574; acs 181; bm Rb6; ce
>304; id "WAC.274"; pv Rd6 d3 Rd4 b5 cxd3 Rb3+ Ka2 Kb4 dxc4 Ra3+ Kb1 bxa4 Rd8 Rb3
>Kc2 Rc3+ Kd2 Rb3 Kd1 a5 Kc2 a3;
>8/1p6/p5R1/k7/Prpp4/K7/1NP5/8 w - - acd 18; acn 546969870; acs 999; bm Rb6; ce
>363; id "WAC.274"; pv Rg5+ b5 axb5 axb5 Rg8 c3 Nd3 Rc4 Rg6 Ra4+ Kb3 Ra1 Rd6 Rb1+
>Ka2 Rd1 Rxd4 b4 Rd5+ Kb6 Nxb4 Rxd5 Nxd5+ Kb5 Nxc3+;

I believe that first pv is from my 3 minute run on WAC with the newest Crafty.
Here is the full eval:

PFGA: EPD record: 274   ID: WAC.274
              clearing hash tables
              time surplus   0.00  time limit 3:00 (3:00)
         nss  depth   time  score   variation (1)
         (2)    8->   0.11   2.49   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Ra4+ 5. Kb3 Kb6 6. Rg6+ Ka5
                9     0.14   2.49   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rb1 5. Rg4 Ra1+ 6. Kb3 Ra4
         (2)    9->   0.21   2.49   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rb1 5. Rg4 Ra1+ 6. Kb3 Ra4
               10     0.28   2.65   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rc4 5. Kb3 Kb6 6. Ne5
         (3)   10->   0.55   2.65   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rc4 5. Kb3 Kb6 6. Ne5
         (2)   11     0.74   2.66   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rc4 5. Kb3 Ra4 6. Nc5 Ra1
         (2)   11->   1.28   2.66   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Rc4 5. Kb3 Ra4 6. Nc5 Ra1
               12     1.97   2.86   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Ra4+ 5. Kb3 Kb6 6. Rg6+ Ka7 7.
                                    Nc5 Ra1 8. Re6 Rb1+ 9. Ka3
         (2)   12->   3.13   2.86   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Ra4+ 5. Kb3 Kb6 6. Rg6+ Ka7 7.
                                    Nc5 Ra1 8. Re6 Rb1+ 9. Ka3
               13     4.89   2.76   1. Rg5+ b5 2. axb5 axb5 3. Rg8 c3 4.
                                    Nd3 Ra4+ 5. Kb3 Rc4 6. Ra8+ Kb6 7.
                                    Rb8+ Ka5 8. Rb7 Ka6 9. Re7 Kb6 10.
                                    Ne5
               13    11.41     ++   1. Rd6!!
               13->  16.69   3.15   1. Rd6
               14    19.88   3.35   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 bxa4 6. Rd5 Ra3+ 7.
                                    Kb1 Rb3 8. Rd6 a5 9. Ka2 Kc5
         (4)   14->  27.46   3.35   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 bxa4 6. Rd5 Ra3+ 7.
                                    Kb1 Rb3 8. Rd6 a5 9. Ka2 Kc5
         (3)   15    32.89   3.20   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 Ra3+ 6. Kb1 bxa4 7.
                                    Rd6 Rc3 8. Rb6+ Ka5 9. Rc6 a3 10. Nd1
                                    Rd3
         (4)   15->  51.97   3.20   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 Ra3+ 6. Kb1 bxa4 7.
                                    Rd6 Rc3 8. Rb6+ Ka5 9. Rc6 a3 10. Nd1
                                    Rd3
         (3)   16     1:02   3.35   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 Ra3+ 6. Kb1 bxa4 7.
                                    Rd8 Rb3 8. Kc2 Rc3+ 9. Kd2 Rb3 10.
                                    Kd1 a5 11. Kc2
         (4)   16->   1:48   3.35   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 Ra3+ 6. Kb1 bxa4 7.
                                    Rd8 Rb3 8. Kc2 Rc3+ 9. Kd2 Rb3 10.
                                    Kd1 a5 11. Kc2
         (3)   17     2:14   3.04   1. Rd6 d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
                                    Ka2 Kb4 5. dxc4 Ra3+ 6. Kb1 bxa4 7.
                                    Rd8 Rb3 8. Kc2 Rc3+ 9. Kd2 Rb3 10.
                                    Kd1 a5 11. Kc2 a3
              time=3:00  cpu=199%  mat=1  n=237015574  fh=93%  nps=1314708
              ext-> chk=14335203 cap=96 pp=1085069 1rep=726290 mate=58625
              predicted=0  nodes=237015574  evals=44092701
              endgame tablebase-> probes done=448368  successful=81666
              hashing-> trans/ref=19%  pawn=20%  used=99%
              SMP->  split=2710  stop=206  data=8/32  cpu=5:58  elap=3:00

I might let this run overnite tonite.  I'll post the results on this thread if I
do.



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