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Subject: Re: 3 mating problems - How much time your programs take?

Author: Vincent Diepeveen

Date: 14:56:20 08/17/00

Go up one level in this thread


On August 16, 2000 at 16:57:08, Jari Huikari wrote:

>3R1B1K/5p2/2p2p2/b1rPNP1n/q1rkNP2/1Pp2Q2/1n6/5B2 W - -
>1B1N4/p2n4/3P1P2/2nk1BP1/P7/N7/K3P2P/1Q6 W - -
>kbb2rr1/1p6/p3p1q1/PN1pB3/1n6/R3Q3/5PB1/6K1 W - -
>
>These were quite hard positions for Nero.
>It needed 143 s. for the first one, 262 for the second and the third
>wasn't yet solved in 12 minutes.
>
>                                       Jari

Output of DIEP:
   first i ran positions with nullmove turned on.
   then position #2 with fullwidth. I see there are 2 zugzwangs
   there at least, so that's with the current reduction factor
   a bit huge. would need +6 ply extra, above nominal depth
   there to find the shorter mate there.

Open a Forsythe File zugzwang.fen
Line number of zugzwang.fen ?
1
 # move freq games  score*2 learn ==> huge cache
       D I E P  2.00

black timeleft=27:46.40.00
 - = - R - B - K   ...       1    ...
 = - = - = o = -   ...       2    ...
 - = o = - o - =   ...       3    ...
 b - r O N O = n   ...       4    ...
 q = r k N O - =   ...       5    ...
 = O o - = Q = -   ...       6    ...
 - n - = - = - =   ...       7    ...
 = - = - = B = -   ...       8    ...
white timeleft=27:46.40.00
white to move               type 'help' for command overview

anal
Analysis mode is on
process 0: engineflags = 0 denktime=10000000 maxtime=10000000
00:00 15562 (0) 1 12.44 Bf8xc5 Rc4xc5 Ne4xc5 Kd4xc5 Ne5-d7 Kc5-d4 b3xa4 Ba5xd8 d
5xc6
++ b3-a4
00:00 24620 (0) 1 12.72 b3xa4 f6xe5 Bf8xc5 Rc4xc5 Rd8-d6 e5xf4 d5xc6 Rc5-d5 Rd6x
d5 Kd4xd5 Ne4-f6 Kd5-e5 Nf6xh5 Ke5xf5
++ e5-c4
00:00 27578 (0) 1 14.69 Ne5xc4 Rc5xc4 b3xa4 Ba5xd8 Bf1xc4 Kd4xc4 Ne4xc3
++ e4-c5
00:01 40905 (0) 1 MATE08 Ne4xc5 Rc4xc5 Qf3-f2 Kd4-e4 Bf1-g2 Ke4xf5 Bg2-h3 Kf5-e4
 Qf2-e1 Ke4-d4 Ne5-f3 Kd4-d3 Bh3-f5 Qa4-e4 Bf5xe4
++ f1-g2
00:01 97336 (0) 1 MATE06 Bf1-g2 Nh5xf4 Qf3-f2 Kd4xe5 Bf8-d6 Ke5xf5 Qf2xf4 Kf5-g6
 Rd8-g8 Kg6-h5 Ne4xf6
00:02 140594 (0) 2 MATE06 Bf1-g2 Nh5xf4 Qf3-f2 Kd4xe5 Bf8-d6 Ke5xf5 Qf2xf4 Kf5-g
6 Rd8-g8 Kg6-h5 Ne4xf6
++ e4-c5
00:02 157542 (0) 2 MATE05 Ne4xc5 Rc4xc5 Ne5-g4 Ba5xd8 Qf3-e3 Kd4xd5 Bf1-g2 Qa4-e
4 Bg2xe4
00:03 269650 (0) 3 MATE05 Ne4xc5 Rc4xc5 Ne5-g4 Ba5xd8 Qf3-e3 Kd4xd5 Bf1-g2 Qa4-e
4 Bg2xe4
00:06 491068 (0) 4 MATE05 Ne4xc5 Rc4xc5 Ne5-g4 Ba5xd8 Qf3-e3
00:13 1121072 (0) 5 MATE05 Ne4xc5 Rc4xc5 Ne5-g4 Ba5xd8 Qf3-e3 Kd4xd5 Bf1-g2 Qa4-
e4 Bg2xe4
++ e5-g4
00:21 1834039 (0) 5 MATE04 Ne5-g4 Ba5xd8 Bf1-g2 Bd8-e7 Ne4-f2 Be7xf8 Qf3-e4
00:24 2084733 (0) 6 MATE04 Ne5-g4 Ba5xd8 Bf1-g2 Bd8-e7 Ne4-f2 Be7xf8 Qf3-e4
fen
Open a Forsythe File zugzwang.fen
Line number of zugzwang.fen ?
2
 # move freq games  score*2 learn ==> huge cache
       D I E P  2.00

black timeleft=27:46.40.00
 - B - N - = - =   ...       1    ...
 o - = n = - = -   ...       2    ...
 - = - O - O - =   ...       3    ...
 = - n k = B O -   ...       4    ...
 O = - = - = - =   ...       5    ...
 N - = - = - = -   ...       6    ...
 K = - = O = - O   ...       7    ...
 = Q = - = - = -   ...       8    ...
white timeleft=27:46.40.00
white to move               type 'help' for command overview

anal
Analysis mode is on
process 0: engineflags = 0 denktime=10000000 maxtime=10000000
00:00 9 (0) 1 0.00 Bb8xa7
++ b1-d1
00:00 24 (0) 1 33.33 Qb1-d1 Kd5-e5 Bf5xd7 Nc5xd7 Bb8xa7
++ f5-e6
00:00 291 (0) 1 34.97 Bf5-e6 Kd5-d4 Bb8xa7
00:00 1005 (0) 2 35.21 Bf5-e6 Nc5xe6 Qb1-f5 Nd7-e5 Qf5xe6 Kd5-e4 Bb8xa7
++ e2-e4
00:00 2184 (0) 2 36.59 e2-e4 Kd5-d4 Qb1-b4 Kd4-d3 e4-e5 Kd3-e2 Bb8xa7
00:00 6238 (0) 3 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 Bf
5xe4
00:00 14648 (0) 4 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 B
f5xe4
00:00 49010 (0) 5 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 B
f5xe4
00:02 181964 (0) 6 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
Bf5xe4
00:05 483704 (0) 7 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
Bf5xe4
00:27 2235392 (0) 8 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
 Bf5xe4
state
State check of all 1 processors:
go=true  ttl=5289512 abrtd=0 q=0 nre=0 rms=499989 local=409849
Locks: queue=0 nprctat=0 blocks=0 hash (t,e,b,p)=0,0,0,0 root=0
Px  dp_rl dp_q dp_mm abort mmlock mnr DBG  wfm   wfs
 0   40    32   38     0    false  8    -1 false true
Deepest lines seen:
b8a7 d7f8 d8f7 d5d4 b1a1 d4d5 d6d7 d7d8 f8d7 a1h1 c5e4 h1d1 e4d2 d8a5 d7c5 a5d2
c5d3 d2d3 d5c6 d3c4 c6b7 d1d7 b7a8 d7c6 a8a7 c4c5 a7b8 c5d6 b8a7 d6d4 a7b8 d4e5
b8a7 e5e3 a7b8 e3f4 b8a7 a3b5
Current Line:
e2e4 d5d4 b1g1 d4d3 f5h7 d7b8 g1g3 d3d2

01:14 5829966 (0) 9 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
 Bf5xe4
state
State check of all 1 processors:
go=true  ttl=6021617 abrtd=0 q=0 nre=0 rms=499989 local=24015
Locks: queue=0 nprctat=0 blocks=0 hash (t,e,b,p)=0,0,0,0 root=0
Px  dp_rl dp_q dp_mm abort mmlock mnr DBG  wfm   wfs
 0   40    32   38     0    false  6    -1 false true
Deepest lines seen:
b8a7 d7f8 d8f7 d5d4 b1a1 d4d5 d6d7 d7d8 f8d7 a1h1 c5e4 h1d1 e4d2 d8a5 d7c5 a5d2
c5d3 d2d3 d5c6 d3c4 c6b7 d1d7 b7a8 d7c6 a8a7 c4c5 a7b8 c5d6 b8a7 d6d4 a7b8 d4e5
b8a7 e5e3 a7b8 e3f4 b8a7 a3b5
Current Line:
b1d1 d5e5 d8c6 e5f5 c6b4 d7b8

state
State check of all 1 processors:
go=true  ttl=6330266 abrtd=0 q=0 nre=0 rms=499989 local=922115
Locks: queue=0 nprctat=0 blocks=0 hash (t,e,b,p)=0,0,0,0 root=0
Px  dp_rl dp_q dp_mm abort mmlock mnr DBG  wfm   wfs
 0   42    32   40     0    false  9    -1 false true
Deepest lines seen:
b8a7 d7f6 b1b4 f6e4 a3b5 d5e5 d8c6 e5d5 d6d7 f5e4 c5e4 d7d8 e4d6 d8g8 d6f7 g8f7
d5c6 f7e6 c6b7 b4e7 b7a8 e7d8 a8b7 d8d7 b7a8 b5c7 a8b7 c7d5 b7a8 d7c6 a8a7 e6e3
a7b8 e3f4 b8a7 f4f2 a7b8 f2g3 b8a7 c6b6
Current Line:
b8a7 d7b8 a7b8 c5a4 b1b5 a4c5 b5a5 d5e5 e2e4

fen
Open a Forsythe File zugzwang.fen
Line number of zugzwang.fen ?
3
 # move freq games  score*2 learn ==> huge cache
       D I E P  2.00

black timeleft=27:46.40.00
 k b b = - r r =   ...       1    ...
 = o = - = - = -   ...       2    ...
 o = - = o = q =   ...       3    ...
 O N = o B - = -   ...       4    ...
 - n - = - = - =   ...       5    ...
 R - = - Q - = -   ...       6    ...
 - = - = - O B =   ...       7    ...
 = - = - = - K -   ...       8    ...
white timeleft=27:46.40.00
white to move               type 'help' for command overview

anal
Analysis mode is on
process 0: engineflags = 0 denktime=10000000 maxtime=10000000
00:00 263 (0) 1 -14.93 Nb5-c7 Bb8xc7 Be5-g3 Qg6-b1 Kg1-h2 Rg8-h8 Bg2-h3
00:00 604 (0) 1 -13.80 Be5-g3 Qg6-b1 Bg2-f1 a6xb5
++ e3-a7
00:00 2738 (0) 1 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 4050 (0) 2 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 8224 (0) 3 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 10189 (0) 4 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 13151 (0) 5 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 16691 (0) 6 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 52953 (0) 7 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:00 84733 (0) 8 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b8
 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:01 134693 (0) 9 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-b
8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:02 226409 (0) 10 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-
b8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:04 414472 (0) 11 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-
b8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:08 958800 (0) 12 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8-
b8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:18 2011386 (0) 13 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8
-b8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
00:43 4809878 (0) 14 MATE08 Qe3-a7 Bb8xa7 Nb5-c7 Ka8-b8 Nc7xa6 Kb8-a8 Na6-c7 Ka8
-b8 Nc7xd5 Kb8-a8 Nd5-b6 Ba7xb6 a5xb6 Nb4-a6 Ra3xa6
fen
Open a Forsythe File zugzwang.fen
Line number of zugzwang.fen ?
2
 # move freq games  score*2 learn ==> huge cache
       D I E P  2.00

black timeleft=27:46.40.00
 - B - N - = - =   ...       1    ...
 o - = n = - = -   ...       2    ...
 - = - O - O - =   ...       3    ...
 = - n k = B O -   ...       4    ...
 O = - = - = - =   ...       5    ...
 N - = - = - = -   ...       6    ...
 K = - = O = - O   ...       7    ...
 = Q = - = - = -   ...       8    ...
white timeleft=27:46.40.00
white to move               type 'help' for command overview

brute
Brute Force set to on
anal
Analysis mode is on
process 0: engineflags = 1 denktime=10000000 maxtime=10000000
00:00 9 (0) 1 0.00 Bb8xa7
++ b1-d1
00:00 24 (0) 1 33.33 Qb1-d1 Kd5-e5 Bf5xd7 Nc5xd7 Bb8xa7
++ f5-e6
00:00 291 (0) 1 34.97 Bf5-e6 Kd5-d4 Bb8xa7
00:00 1001 (0) 2 35.21 Bf5-e6 Nc5xe6 Qb1-f5 Nd7-e5 Qf5xe6 Kd5-e4 Bb8xa7
++ e2-e4
00:00 2135 (0) 2 36.59 e2-e4 Kd5-d4 Qb1-b4 Kd4-d3 e4-e5 Kd3-e2 Bb8xa7
00:00 6105 (0) 3 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 Bf
5xe4
00:00 19508 (0) 4 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 B
f5xe4
00:01 98574 (0) 5 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4 B
f5xe4
00:09 673823 (0) 6 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
Bf5xe4
00:36 2554909 (0) 7 MATE05 e2-e4 Kd5-d4 Nd8-c6 Kd4-e3 Qb1-e1 Ke3-d3 e4-e5 Nc5-e4
 Bf5xe4
++ b8-a7
00:48 3382815 (0) 7 MATE04 Bb8xa7 Nd7-b8 Nd8-f7 Nb8-c6 Qb1-b3 Nc5xb3 e2-e4
01:16 5262028 (0) 8 MATE04 Bb8xa7 Nd7-b8 Nd8-f7 Nb8-c6 Qb1-b3 Nc5xb3 e2-e4
quit






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