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Subject: Re: Easy & Hard

Author: Mike Byrne

Date: 16:08:03 07/26/02

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Crafty v17.14 SE (2 cpus) available for free via email to mfbyrne_pa@msn.com

settings:
booster 76 76 225
mt=2
ext in 1
ext th 1
hash 192M

hardware:
Dual 1.7Hgz Xeon

easy: 38 seconds
hard: 6:08

Easy:
Black(1): [D] 8/pR4pk/1b2p3/2p3p1/N1p5/7P/PP1r2P1/6K1 b - - 0 31



Black(1): go
end-game phase
              clearing hash tables
crafty is behind  1.5 on time, reducing by 1/3.
              time surplus   0.00  time limit 1000:00 (1000:00)
         nss  depth   time  score   variation (1)
                9->   0.53   1.52   1. ... Kg6 2. Kf1 e5 3. a3 Rd6 4. Ke2
                                    Kf6 5. Nc3 a5
               10     1.43   1.31   1. ... Kg6 2. Kh2 e5 3. Kg3 c3 4. bxc3
                                    Rxa2 5. Nxb6 axb6 6. Rxb6+ Kf5
               10     2.98   1.46   1. ... e5 2. Kh2 e4 3. Kg3 Rxb2 4.
                                    Nxb2 c3 5. Nc4 c2 6. Nxb6 c1=Q 7. Rxa7
         (2)   10->   2.98   1.46   1. ... e5 2. Kh2 e4 3. Kg3 Rxb2 4.
                                    Nxb2 c3 5. Nc4 c2 6. Nxb6 c1=Q 7. Rxa7
               11     5.11   1.45   1. ... e5 2. a3 e4 3. Re7 Re2 4. Kf1
                                    Rxb2 5. Rxe4 Rc2 6. Re5 g4 7. hxg4
               11->   6.14   1.45   1. ... e5 2. a3 e4 3. Re7 Re2 4. Kf1
                                    Rxb2 5. Rxe4 Rc2 6. Re5 g4 7. hxg4
               12    10.64   1.43   1. ... e5 2. Kf1 e4 3. Re7 Rxb2 4.
                                    Rxe4 Rxa2 5. Rxc4 Rd2 6. Nxc5 Bxc5
                                    7. Rxc5
               12->  14.42   1.43   1. ... e5 2. Kf1 e4 3. Re7 Rxb2 4.
                                    Rxe4 Rxa2 5. Rxc4 Rd2 6. Nxc5 Bxc5
                                    7. Rxc5
               13    19.64   1.43   1. ... e5 2. a3 e4 3. Re7 Rxb2 4. Rxe4
                                    Rb1+ 5. Kf2 Rc1 6. Re5 Ra1 7. Rxg5
                                    Rxa3 8. Nxc5 c3
               13->  24.57   1.43   1. ... e5 2. a3 e4 3. Re7 Rxb2 4. Rxe4
                                    Rb1+ 5. Kf2 Rc1 6. Re5 Ra1 7. Rxg5
                                    Rxa3 8. Nxc5 c3
               14    30.56   1.53   1. ... e5 2. Kf1 e4 3. Re7 Rxb2 4.
                                    Rxe4 Rb1+ 5. Kf2 Rc1 6. a3 c3 7. Rc4
                                    c2 8. Nxc5 Bxc5+ 9. Rxc5 Kg6
               14    38.36     ++   1. ... Rxb2!!
               14     1:07   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 Qxa2 11. Ne5
               14->   1:07   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 Qxa2 11. Ne5
               15     1:11   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 <HT>
               15->   1:13   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 <HT>
               16     1:21   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 Qxa2 11. Ne5
         (2)   16->   1:30   2.55   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc7 Qd4+ 9. Kh1 Qf2 10.
                                    Rc8 Qxa2 11. Ne5
               17     2:02   2.66   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qf4+ 7.
                                    Kg1 Qe4 8. Rc8 Qb1+ 9. Kh2 Qxa2 10.
                                    Kg3 Qb3+ 11. Kh2 Kg6 12. Ne5+ Kf5 13.
                                    Rc5
Black(0): ?
              time=2:09  cpu=199%  mat=2  n=158763370  fh=90%  nps=1226256
              ext-> checks=9964873 recaps=0 pawns=414898 pawn_sac=0
              ext->  1rep=649095 thrt:23024 boos:0
              predicted=0  nodes=158763370  evals=39058885
              endgame tablebase-> probes done=0  successful=0
              SMP->  split=2064  stop=314  data=11/64  cpu=4:18  elap=2:09

Black(1): Rxb2




Hard:
White(1):[D] 8/pR4pk/1b5p/2p5/N1p2P2/6P1/PP1r2P1/6K1 b - - 0 29



Black(1): d
Black(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 10:00 (10:00)
         nss  depth   time  score   variation (1)
starting thread 1
                8     0.86   0.12   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. Kh2 Rc2 5. c4 <HT>
                8->   0.86   0.12   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. Kh2 Rc2 5. c4 <HT>
                9     0.90  -0.02   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Ra1+ 5. Kf2 Ra2+ 6. Kf3 Ra3 7.
                                    Kf4 Rxc3 8. Rxb6
         (2)    9->   0.95  -0.02   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Ra1+ 5. Kf2 Ra2+ 6. Kf3 Ra3 7.
                                    Kf4 Rxc3 8. Rxb6
               10     1.00  -0.09   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. Rxb6 Ra3 5. Kf2 Rxc3 6. Rb7
               10->   1.08  -0.09   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. Rxb6 Ra3 5. Kf2 Rxc3 6. Rb7
               11     1.20  -0.24   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. c4 Rxg3
         (4)   11->   1.87  -0.24   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. c4 Rxg3
         (3)   12     2.06  -0.22   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. Kf2 Rxc3 7.
                                    Rb7
         (3)   12->   2.62  -0.22   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. Kf2 Rxc3 7.
                                    Rb7
         (2)   13     2.98  -0.34   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. Rg6 Kf7 7.
                                    c4 Ra2
         (4)   13->  15.47  -0.34   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Ra3 6. Rg6 Kf7 7.
                                    c4 Ra2
         (3)   14    16.42  -0.30   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Ra1+ 5. Kh2 Rf1 6. g4 Rf4 7.
                                    Rxb6 Rxg4 8. Rb7 Re4
         (4)   14->  24.54  -0.30   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Ra1+ 5. Kh2 Rf1 6. g4 Rf4 7.
                                    Rxb6 Rxg4 8. Rb7 Re4
         (3)   15    26.72  -0.33   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Rc2 6. Rb3 Kf7 7.
                                    Kh2 c4 8. Ra3 Re2
         (4)   15->   2:09  -0.33   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. Rxb6 Rc2 6. Rb3 Kf7 7.
                                    Kh2 c4 8. Ra3 Re2
         (3)   16     2:14  -0.16   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. f6 gxf6 6. Rxb6 Rc2 7.
                                    Rxf6 Rxc3 8. Rxh6 Rxg3 9. Kf2
         (4)   16->   2:46  -0.16   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. f6 gxf6 6. Rxb6 Rc2 7.
                                    Rxf6 Rxc3 8. Rxh6 Rxg3 9. Kf2
         (3)   17     2:59  -0.01   1. ... c3 2. bxc3 Rxa2 3. Nxb6 axb6
                                    4. f5 Kg8 5. f6 gxf6 6. Rxb6 Rc2 7.
                                    Rxf6 Rxc3 8. Rxh6 Rxg3 9. Kf2 Rd3
               17     6:08   0.00   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qb1 7.
                                    a3 Qb5 8. Ne5 Qa5 9. Nc4 Qb5
               17->   6:08   0.00   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qb1 7.
                                    a3 Qb5 8. Ne5 Qa5 9. Nc4 Qb5
               18     8:35   0.00   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qb1 7.
                                    a3 Qb5 8. Ne5 Qa5 9. Nc4 Qb5
               18->   8:53   0.00   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                                    Nxc4 c2 5. Rc6 c1=Q+ 6. Kh2 Qb1 7.
                                    a3 Qb5 8. Ne5 Qa5 9. Nc4 Qb5
              time=10:00  cpu=214%  mat=0  n=731939313  fh=19%  nps=1219593
              ext-> checks=42302158 recaps=0 pawns=2851083 pawn_sac=0
              ext->  1rep=2993602 thrt:164257 boos:0
              predicted=0  nodes=731939313  evals=209811382
              endgame tablebase-> probes done=27  successful=27
              SMP->  split=4113  stop=682  data=12/64  cpu=21:29  elap=10:00



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