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Subject: Re: Test Position

Author: Mike Byrne

Date: 17:28:33 11/11/04

Go up one level in this thread


On November 11, 2004 at 14:18:59, Will Singleton wrote:

>
>It's possible an outsized king-safety eval can also help here, since my engine
>isn't particularily tactical.  Someone could test that theory by pumping up
>king-safety on some engines with settable parameters.  Amateur on a p4 2.8ghz
>(14 sec):
>

Absolutely -

Crafty Classic 2004 SE PB [Morphy] (2 cpus) - Morphy has KS jacked up


White(1): [d]r1rb2k1/1bqn1pp1/1p1p3p/p2PpN2/2P5/P3B2P/1PQ1BPP1/2RR2K1 w - - 0 1
White(1): g
              clearing hash tables
              time surplus   0.00  time limit 5:00 (5:00)
              time surplus   0.00  time limit 5:00 (5:00)
              depth   time  score   variation (1)
starting thread 1
                7     0.12   0.69   1. Qe4 Nf6 2. Qf3 Nh7 3. Re1 a4 4.
                                    Bd3 (s=4)
                7->   0.20   0.69   1. Qe4 Nf6 2. Qf3 Nh7 3. Re1 a4 4.
                                    Bd3 (s=2)
                8     0.26   0.55   1. Qe4 Nf6 2. Qf3 Nh7 3. b3 Bg5 4.
                                    Rc3 a4
                8->   0.68   0.55   1. Qe4 Nf6 2. Qf3 Nh7 3. b3 Bg5 4.
                                    Rc3 a4 (s=6)
                9     0.90     +1   1. Qe4!!
                9     1.76   0.88   1. Qe4 Kh8 2. Qg4 Bf6 3. Qh5 Rf8 4.
                                    Bg4 a4 5. Re1 (s=5)
                9->   1.92   0.88   1. Qe4 Kh8 2. Qg4 Bf6 3. Qh5 Rf8 4.
                                    Bg4 a4 5. Re1
               10     3.67   0.73   1. Qe4 Kh8 2. b3 Nc5 3. Qg4 Bf6 4.
                                    Rc3 a4 5. b4 Nb3 <HT>
               10     5.09     +1   1. Bxh6!!
               10     6.48   1.92   1. Bxh6 Bf6 2. Bxg7 Bxg7 3. Ne7+ Kh8
                                    4. Qf5 Nf6 5. Nxc8 Bxc8 6. Qg5 <HT>
               10->   6.56   1.92   1. Bxh6 Bf6 2. Bxg7 Bxg7 3. Ne7+ Kh8
                                    4. Qf5 Nf6 5. Nxc8 Bxc8 6. Qg5 <HT>
                                    (s=2)
               11    10.33   1.86   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 axb4 4.
                                    axb4 Nd7 5. Re1 Re8 6. Bf3 Rec8
               11->  13.47   1.86   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 axb4 4.
                                    axb4 Nd7 5. Re1 Re8 6. Bf3 Rec8 (s=2)
               12    18.98   2.00   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 Nd7 4.
                                    Bg4 axb4 5. axb4 Ra3 6. Qe4 Ra4 7.
                                    Rb1
               12->  21.65   2.00   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 Nd7 4.
                                    Bg4 axb4 5. axb4 Ra3 6. Qe4 Ra4 7.
                                    Rb1
               13    39.68   1.91   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 Nd7 4.
                                    Bg4 axb4 5. axb4 Bd8 6. Qe2 Ra4 7.
                                    Rb1 Rca8
               13->   1:11   1.91   1. Bxh6 Bf6 2. Be3 Nc5 3. b4 Nd7 4.
                                    Bg4 axb4 5. axb4 Bd8 6. Qe2 Ra4 7.
                                    Rb1 Rca8 (s=3)
?              14     1:11   1/45*  1. Bxh6
White(1): ?
              time=1:13  cpu=194%  mat=0  n=72832210  fh=93%  nps=996K
              ext-> chk=2814540 cap=118421 pp=48316 1rep=244095 mate=7765
              predicted=0  nodes=72832210  evals=19529244  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=476  stop=66  data=4/128  cpu=2:21  elap=1:13

White(1): Bxh6
              time used:   1:13

Crafty Classic 2004 SE PB [Standard] (2 cpus) with normal KS
SE code disabled

Black(1): r1rb2k1/1bqn1pp1/1p1p3p/p2PpN2/2P5/P3B2P/1PQ1BPP1/2RR2K1 w - - 0 1
White(1): g
              clearing hash tables
              time surplus  29.00  time limit 5:00 (5:00)
              depth   time  score   variation (1)
                7     0.28   0.57   1. Qe4 Bf6 2. Qg4 Kh8 3. Qh5 e4 4.
                                    Bf4
                7->   0.36   0.57   1. Qe4 Bf6 2. Qg4 Kh8 3. Qh5 e4 4.
                                    Bf4
                8     0.61   0.44   1. Qe4 Nf6 2. Qf3 Nh7 3. Re1 Bg5 4.
                                    b3 Bxe3 5. Qxe3
                8->   0.80   0.44   1. Qe4 Nf6 2. Qf3 Nh7 3. Re1 Bg5 4.
                                    b3 Bxe3 5. Qxe3
                9     1.67   0.55   1. Qe4 Bf6 2. Bd3 Nf8 3. Qf3 Bg5 4.
                                    Qg4 Nh7 5. Re1 Bxe3 6. Rxe3
                9->   1.83   0.55   1. Qe4 Bf6 2. Bd3 Nf8 3. Qf3 Bg5 4.
                                    Qg4 Nh7 5. Re1 Bxe3 6. Rxe3
               10     3.05   0.49   1. Qe4 Bf6 2. Qg4 Kh8 3. Ng3 Be7 4.
                                    Qh5 Kg8 5. Nf5 Bf6
               10->   4.19   0.49   1. Qe4 Bf6 2. Qg4 Kh8 3. Ng3 Be7 4.
                                    Qh5 Kg8 5. Nf5 Bf6
               11     9.78   0.55   1. Qe4 Kh8 2. Qg4 Bf6 3. Bd2 Nc5 4.
                                    Rc3 e4 5. Rg3 Bxb2 6. Nxg7 <HT>
               11->  11.16   0.55   1. Qe4 Kh8 2. Qg4 Bf6 3. Bd2 Nc5 4.
                                    Rc3 e4 5. Rg3 Bxb2 6. Nxg7 <HT>
               12    16.61   0.56   1. Qe4 Kh8 2. Qg4 Bf6 3. Bd2 Ba6 4.
                                    b3 Bb7 5. Rc3 a4 6. bxa4 Rxa4 7. Rg3
               12->  24.84   0.56   1. Qe4 Kh8 2. Qg4 Bf6 3. Bd2 Ba6 4.
                                    b3 Bb7 5. Rc3 a4 6. bxa4 Rxa4 7. Rg3
                                    (s=2)
               13    38.48   0.66   1. Qe4 Kh8 2. Qg4 Bf6 3. Bd2 Nc5 4.
                                    Rc3 Na4 5. Rb3 e4 6. Rb1 Nc5 7. Rg3
?              13    53.69  20/45*  1. b4
White(1): ?
              time=54.12  cpu=192%  mat=0  n=51981256  fh=93%  nps=960K
              ext-> chk=1659296 cap=84021 pp=42792 1rep=165297 mate=7221
              predicted=0  nodes=51981256  evals=13021814  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=280  stop=30  data=4/128  cpu=1:44  elap=54.12

White(1): Qe4
              time used:  54.12




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