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Subject: Something's wrong with Crafty?

Author: Ferdinand S. Mosca

Date: 22:19:16 07/13/02


Hello Bob,
For this simple position, I think Crafty is evaluating too high. Under chessbase
GUI it is much worse. I did not try the older version however, maybe the score
is much closer to zero, and how about your new build?

Regards,
Dinan
[D]r1bqkb1r/pppppppp/2n2n2/8/3P4/2N2N2/PPP1PPPP/R1BQKB1R b KQkq d3 0 3
Crafty v18.15
White(1): setboard r1bqkb1r/pppppppp/2n2n2/8/3P4/2N2N2/PPP1PPPP/R1BQKB1R b KQkq
d3 0 3
Black(1): analyze
Analyze Mode: type "exit" to terminate.
              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:30)
         nss  depth   time  score   variation (1)
                7     0.28   0.36   1. ... d5 2. e3 Bg4 3. h3 Bd7 4. Bd3
                                    e6
                7     0.45   0.33   1. ... e6 2. e3 Bb4 3. Bd3 d5 4. O-O
                                    O-O <HT>
                7->   0.47   0.33   1. ... e6 2. e3 Bb4 3. Bd3 d5 4. O-O
                                    O-O <HT>
                8     0.84   0.41   1. ... e6 2. e3 d5 3. Ne5 a6 4. Bd3
                                    Nb4 5. Be2
                8->   1.21   0.41   1. ... e6 2. e3 d5 3. Ne5 a6 4. Bd3
                                    Nb4 5. Be2
                9     2.45   0.29   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. O-O
                                    Nxd3 5. Qxd3 Bd6 6. e4 dxe4 7. Nxe4
                9->   2.64   0.29   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. O-O
                                    Nxd3 5. Qxd3 Bd6 6. e4 dxe4 7. Nxe4
               10     4.87   0.36   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    Nb4 5. Be2 O-O 6. Ne5 <HT>
               10->   7.00   0.36   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    Nb4 5. Be2 O-O 6. Ne5 <HT>
               11    15.41   0.31   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    O-O 5. Ne5 Nb4 6. Bb5 <HT>
               11->  16.33   0.31   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    O-O 5. Ne5 Nb4 6. Bb5 <HT>
               12    25.76   0.36   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    O-O 5. a3 Bd7 6. Ne5 Nxe5 7. dxe5 Ne8
               12->  35.22   0.36   1. ... e6 2. e3 Be7 3. Bd3 d5 4. O-O
                                    O-O 5. a3 Bd7 6. Ne5 Nxe5 7. dxe5 Ne8
               13     1:28   0.34   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. Bb5+
                                    Bd7 5. Bxd7+ Nxd7 6. a3 Na6 7. b4 Qf6
                                    8. b5 Nac5 9. O-O
               13->   1:41   0.34   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. Bb5+
                                    Bd7 5. Bxd7+ Nxd7 6. a3 Na6 7. b4 Qf6
                                    8. b5 Nac5 9. O-O
               14     2:59   0.36   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. Be2
                                    Be7 5. O-O O-O 6. a3 Nc6 7. Bd2 Bd7
                                    8. Ng5
               14->   3:48   0.36   1. ... e6 2. e3 d5 3. Bd3 Nb4 4. Be2
                                    Be7 5. O-O O-O 6. a3 Nc6 7. Bd2 Bd7
                                    8. Ng5

Sjeng 12.13
Sjeng: setboard r1bqkb1r/pppppppp/2n2n2/8/3P4/2N2N2/PPP1PPPP/R1BQKB1R b KQkq d3
0 3
Opening phase.
Time for move : 12000
 2     -47     1      119  d6 e4
 2     -19     1      340  d5 e3
 3       0     1      634  d5 e3 e6
 3       0     2      756  d5 e3 e6
 4     -24     2     1767  d5 Bf4 Ne4 Nxe4 dxe4
 4     -24     3     2759  d5 Bf4 Ne4 Nxe4 dxe4
 5      -7     5    11252  d5 Ne5 Qd6 Bf4 Nxe5 dxe5
 5      -7     7    17643  d5 Ne5 Qd6 Bf4 Nxe5 dxe5
 6     -27    11    37046  d5 Bf4 e6 e3 Bd6 Bxd6 cxd6
 6     -27    15    55551  d5 Bf4 e6 e3 Bd6 Bxd6 cxd6
 7      -8    34   142766  d5 e3 e6 Bb5 Bb4 Ne5 Bd7
 7      -8    48   203649  d5 e3 e6 Bb5 Bb4 Ne5 Bd7
 8     -15   100   442734  d5 e3 e6 Bb5 Bb4 Bd2 O-O O-O
 8     -15   129   571481  d5 e3 e6 Bb5 Bb4 Bd2 O-O O-O
 9     -20   430  2031276  d5 Ne5 e6 Nxc6 bxc6 e3 Bb4 Bd3 Ne4 Bxe4 dxe4
 9     -20   579  2722817  d5 Ne5 e6 Nxc6 bxc6 e3 Bb4 Bd3 Ne4 Bxe4 dxe4
10     -10   949  4545142  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8
10     -10  1106  5252325  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8
11     -14  2136 10029110  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8 f3
11     -14  2691 12529730  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8 f3
12     -10  5793 27564200  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8 f4 c5
12     -10  7260 34141126  d5 Ne5 e6 Nxc6 bxc6 e3 Bd6 Be2 O-O O-O Rb8 f4 c5
Used time : 12000
Learning score: -10  best: 15  depth:12

Nodes: 55083008 (23.07% qnodes)
NPS: 459017
PawnProbes : 25349726     PawnHits : 22973440     HitRate : 90.625986%
TTStores : 7448543 TTProbes : 29179113   TTHits : 2624679   HitRate : 8.995061%
NTries : 6787432  NCuts : 5298177  CutRate : 78.058627%  TExt: 948
PVS : 942.923245%   PVSF: 0.002430%
Check : 467440  Recap : 439116  Onerep : 28295  Razor : 0
EGTB Hits: 0  EGTB Probes: 0  Efficiency: 0.0%
Move ordering : 89.057935%
Material score: 0   Eval : 0   MaxDiff: 507   MaxLazy: 315  MaxKing: 330
Full evals: 13135744    Lazy evals: 19846865   Quickrate: 60.173725%
Hash : 47BB1599E44B7213

yace 0.99.56
black ( 1): analyze
usetime = 19.93, mintime = 9.97 maxtime = 49.83 tl 598.00 ml 40
     16586   0.093  -0.04  5.  1...d5 2.Bg5 Bf5 3.g3 h5 4.Bxf6 {-340}
     33796   0.137  -0.22  6t  1...d5 2.e3 Bg4 3.Be2 Bxf3 4.Bxf3 {-10}
     45723   0.166  -0.21  6t+ 1...e6 2.e3 Be7 3.Bb5
     65160   0.216  -0.11  6t  1...e6 2.e4 Bb4 3.e5 Bxc3+ 4.bxc3 Ne4 {-10}
     71205   0.232  -0.11  6.  1...e6 2.e4 Bb4 3.e5 Bxc3+ 4.bxc3 Ne4 {-10}
    155809   0.435   0.04  7t  1...e6 2.d5 exd5 3.Nxd5 Nxd5H 4.Bg5H Bb4+H
                               5.c3H {HT} {340}
    169721   0.468   0.04  7.  1...e6 2.d5 exd5 3.Nxd5 Nxd5 4.Bg5 Bb4+ 5.c3
                               {HT} {340}
    383921   0.935  -0.19  8t  1...e6 2.e3 Bb4 3.Bd3 Bxc3+ 4.bxc3 d5 5.O-O O-O
                               6.Ba3 {-10}
    555822   1.347  -0.19  8.  1...e6 2.e3 Bb4 3.Bd3 Bxc3+ 4.bxc3 d5 5.O-O O-O
                               6.Ba3 {-10}
   1215945   2.970  -0.10  9t  1...e6 2.e4 Bb4 3.Bd3 Bxc3+ 4.bxc3 O-O 5.O-O d6
                               6.Bf4 Bd7H {-10}
   2036875   4.820  -0.10  9.  1...e6 2.e4 Bb4 3.Bd3 Bxc3+ 4.bxc3 O-O 5.O-O d6
                               6.Bf4 Bd7 {-10}
   3440903   8.037  -0.17 10t  1...e6 2.e4 Bb4 3.Bd3 d5 4.e5 Ne4 5.Bd2 Nxc3
                               6.Bxc3 {0}
   4946349  11.571  -0.16 10t+ 1...d5 2.Ne5 Bd7 3.Bg5 Nxe5 4.dxe5 Ne4 5.Nxe4
                               dxe4 6.Qd4 h6 7.e6 hxg5 8.exd7+ Qxd7 9.Qxe4 {0}
   6511574  15.266  -0.16 10t  1...d5 2.e3 e6 3.Bb5 Bb4 4.O-O O-O 5.Bxc6 Bxc3
                               6.Ne5 bxc6 7.bxc3H {0}
   7748309  18.111  -0.16 10.  1...d5 2.e3 e6 3.Bb5 Bb4 4.O-O O-O 5.Bxc6 Bxc3
                               6.Ne5 bxc6 7.bxc3 {0}
  15475856  36.379  -0.05 11t  1...d5 2.e3 e6 3.Bd2 Bd7 4.Bd3 Bd6 5.O-O O-O
                               6.Nb5H Be7H {HT} {0}
  18899132  44.412  -0.05 11.  1...d5 2.e3 e6 3.Bd2 Bd7 4.Bd3 Bd6 5.O-O O-O
                               6.Nb5 Be7 {HT} {0}
  46283682  1:51.0  -0.05 12t  1...d5 2.e3 e6 3.Bd3 Bd6 4.O-O O-O 5.Nb5 Nb4H
                               6.b3H {HT} {0}
exit
  52144043  2:06.9  -0.05 12u. 1...d5 2.e3 e6 3.Bd3 Bd6 4.O-O O-O 5.Nb5 Nb4
                               6.b3 {HT} {0}
52144043 Nodes, 43.10% Leavenodes, 410800 Nodes/sec
42759914 eval, 47.75% score, 151660404 genmoves, 29.11% captures le 254/234
ext: pawn 13012, rcp 283350, chk 403695, repchk 48003, null 1057, prune 2934309
htable: 44460874 store, 277 rejected, 51496582 probe, 17.1% f/p, 19.8% f/s
entries 2666664 age 1 renew 0
egtb probes 0, found 0 max_depth 32
black ( 1):




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