Author: Miguel A. Ballicora
Date: 10:48:23 01/31/02
Go up one level in this thread
On January 31, 2002 at 00:29:04, K. Burcham wrote:
I let the second position to run on Gaviota.
It likes Bd1, and to be honest, I like that move too.
In fact, I like it even better than f4. The idea is to
play Qa2, which will force to take with a bishop after axb5.
That creates two weaknesses on a6 and c4. There is time for
f4 later.
Regards,
Miguel
r1rq1bk1/3b1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/R5K1 w - - 0 1
+-----------------+
| r . r q . b k . |
| . . . b . x x n |
| x . . x . . . x |
| . x . o x . . . |
| o o x . o . . . |
| R . o . B . N o |
| . . B . Q o o . |
| R . . . . . K . |
+-----------------+
legal moves available = 42
17 1 0.0 -2.28 Be3-a7 Ra8xa7 a4xb5 Bd7xb5
37 1 0.0 -1.56 Be3xh6 g7xh6 a4xb5 a6xb5
50 1 0.0 +0.17 Qe2-h5
63 1 0.0 +0.57 Ng3-h5
100 1 0.0 +0.73 a4xb5 a6xb5
136 1: 0.0 +0.73 a4xb5 a6xb5
169 2 0.0 +0.73 a4xb5 a6xb5 <EMPTY> <-transp
676 2 0.0 +0.78 f2-f4 e5xf4 Be3xf4
1356 2: 0.0 +0.78 f2-f4 e5xf4 Be3xf4
1544 3 0.0 +0.78 f2-f4 e5xf4 Be3xf4 <EMPTY>
<-transp
1835 3 0.0 +0.82 a4xb5 a6xb5 Ra3-a7 Ra8xa7
Ra1xa7
2534 3: 0.0 +0.82 a4xb5 a6xb5 Ra3-a7 Ra8xa7
Ra1xa7
3640 4 0.0 +0.73 a4xb5 a6xb5 Ra3-a5 Bf8-e7
7074 4: 0.1 +0.73 a4xb5 a6xb5 Ra3-a5 Bf8-e7
8703 5 0.1 +0.69 a4xb5 a6xb5 f2-f4 Ra8xa3
Ra1xa3 <EMPTY> <-transp
24941 5 0.3 +0.71 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Qe2-b2
26500 5: 0.3 +0.71 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Qe2-b2
36866 6 0.4 +0.65 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Qe2-a2 Ra8xa3 Qa2xa3
65420 6: 0.6 +0.65 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Qe2-a2 Ra8xa3 Qa2xa3
86939 7 0.9 +0.77 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Be3-b6 Qd8-f8 Qe2-d2
179693 7: 1.7 +0.77 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Be3-b6 Qd8-f8 Qe2-d2
272135 8 2.6 +0.67 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Be3-b6 Qd8-f8 Qe2-a2 Ra8-b8
383096 8: 3.6 +0.67 Bc2-d1 Bf8-e7 a4xb5 a6xb5
Be3-b6 Qd8-f8 Qe2-a2 Ra8-b8
797720 9 7.4 +0.79 Bc2-d1 Nh7-f6 Qe2-a2 g7-g6
a4xb5 Bd7xb5 Bd1-e2 h6-h5
Be3-g5
1002293 9: 9.1 +0.79 Bc2-d1 Nh7-f6 Qe2-a2 g7-g6
a4xb5 Bd7xb5 Bd1-e2 h6-h5
Be3-g5
1740838 10 16.1 +0.70 Bc2-d1 Bf8-e7 Qe2-a2 Be7-g5
Be3xg5 Nh7xg5 a4xb5 Bd7xb5
Bd1-g4 Rc8-b8
3698032 10: 35.0 +0.70 Bc2-d1 Bf8-e7 Qe2-a2 Be7-g5
Be3xg5 Nh7xg5 a4xb5 Bd7xb5
Bd1-g4 Rc8-b8
6977893 11 65.9 +0.75 Bc2-d1 Nh7-f6 Qe2-a2 g7-g6
a4xb5 Bd7xb5 Kg1-h2 h6-h5
Be3-g5 Rc8-c7 Bd1-e2
13604928 11: 132.0 +0.75 Bc2-d1 Nh7-f6 Qe2-a2 g7-g6
a4xb5 Bd7xb5 Kg1-h2 h6-h5
Be3-g5 Rc8-c7 Bd1-e2
>
>here is a line played by Deep Blue and Kasparov, in game two.
>(21.Qe2 Qd8 22.b4 Qc7 23.Rec1 c4 24.Ra3 Rec8 25.Rca1 Qd8 26.f4 Nf6)
>
>below you will find the logs for Deep Blue for move 24. and 25., also included
>is the target move 26.f4.
>notice the final search line in the log for move 24. in this line you will
>notice Deep Blue finds pf2f4, at depth 11(6). this is the move Deep Blue plays
>for move 26.
>If I read the logs correctly, Deep Blue starts "thinking", out of book when
>Kasparov plays 17...Ng6.
>
>clock at move 17. 113 minutes
>clock at move 25. 89 minutes
>so from the time Deep Blue started its search, until the time it found
> the f4 move 113-89=24 24 minutes.
>(of course we know it wasnt looking for this line with f4 the whole 24 minutes)
>that is 8 or 9 moves that Deep Blue played in this 24 minutes.
>however you choose to divide this time, lets just say we cut this time in half,
>and give your program 12 minutes to find f4. that should be fair.
>
>but really, most should start this test at night---and check it in the morning,
>or some check it when you come back from a two week vacation.
>some will find it, some wont. one program does real well.
>some see it but dont play it. one of the top programs wont play it at all.
>but it seems most all programs, if given enough time will find f4.
>how long does your favorite program take to find the line or move?
>kburcham
>
>
>harder test--looking for this line 24...Rec8 25.Rca1 Qd8 26.f4 etc..
> [D] r3rbk1/2qb1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/2R3K1 b - - 10 1
>
>
>easier test--looking for 26.f4
> [D] r1rq1bk1/3b1ppn/p2p3p/1p1Pp3/PPp1P3/R1P1B1NP/2B1QPP1/R5K1 w - - 0 1
>
>---------------------------------------
>--> 24. Ra3 <-- 16/90:51
>---------------------------------------
>hash guess Re8c8,Guessing Rec8
> 8(4) #[Rca1](30)[Rca1](30) 30^ T=0
>rc1a1 Qc7d8 pa4b5P Pa6b5p ra3a7 Ra8a7r be3a7R
> 8(6) #[Rca1](47)######################################## 47 T=2
>rc1a1 Qc7d8 pa4b5P Pa6b5p ra3a7 Ra8a7r be3a7R
> 9(6) #[Rca1](47)######################################## 47 T=5
>rc1a1 Qc7d8 pa4b5P Pa6b5p ra3a7 Ra8a7r be3a7R
>10(6) #[Rca1](43)######################################## 43 T=35
>rc1a1 Qc7d8 bc2d1 Bf8e7 qe2a2 Be7g5
>11(6)<ch> 'rec8' #[Rca1](43)[TIMEOUT] 43 T=227
>rc1a1 Qc7d8 pf2f4 Pe5f4p be3f4P Nh7f6 qe2f2 Pa6a5 pb4a5P
>---------------------------------------
>--> 25. Rca1 <-- 15/89:24
>---------------------------------------
>hash guess Qc7d8,Guessing Qd8
> 8(4) #[f4](30)[f4](30) 30^ T=0
>pf2f4 Pe5f4p be3f4P Nh7f6 qe2f2 Pa6a5 pb4a5P
> 8(6) #[f4](43)######################################### 43 T=2
>pf2f4 Pe5f4p be3f4P Nh7f6 qe2f2 Pa6a5 pb4a5P
> 9(6) #[f4](43)##<ch> 'qd8'
>[221 sec (main.c:1847)][cont]####################################### 43 T=33
>pf2f4 Pe5f4p be3f4P Nh7f6 qe2f2 Pa6a5 pb4a5P
>10(6) #[f4](41)##################[Kh2](42)#######[Bd1](45)############### 45
>T=119
>bc2d1 Nh7f6 qe2a2 Ra8b8 pa4b5P Pa6b5p bd1f3 Pg7g6
>11(6) #[Bd1](43)#[f4](46)[TIMEOUT] 46 T=234
>pf2f4 Pe5f4p be3f4P Rc8b8 bf4e3 Bf8e7 pa4b5P Pa6b5p be3a7 Rb8b7
>---------------------------------------
>--> 26. f4 <-- 14/85:39
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