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Subject: db - kaspa Rc7 versus Rc6

Author: Vincent Diepeveen

Date: 07:32:34 01/17/00


Diep also plays Rc7 like deep blue,

[d]6rk/1N3p1p/5q2/3Q4/3p4/PP1n1pPP/5P2/2R3K1 w - -

I only see positional evaluation
difference between the moves Rc6 and Rc7 though.

Score Rc7 even goes a bit lower at ply=17,
i saw diep starting at ply 18,
without getting a fail high for Rc6 at 17,
so this move passes at 17 ply.

Diep ran at a PII450 without much extensions. Most important to mention:
diep ran without singular and without threat extensions and without any
chance for double extensions.

Allocated 79999984 bytes hashtables
Permanent brain is on
 # move freq games  score*2 learn ==> huge cache
       D I E P  2.00

black timeleft=27:46.40.00
 - = - = - = r k   ...       1    ...
 = N = - = o = o   ...       2    ...
 - = - = - q - =   ...       3    ...
 = - = Q = - = -   ...       4    ...
 - = - o - = - =   ...       5    ...
 O O = n = o O O   ...       6    ...
 - = - = - O - =   ...       7    ...
 = - R - = - K -   ...       8    ...
white timeleft=27:46.40.00
white to move

 # move freq games  score*2 learn ==> game cache
       D I E P  2.00
clean
Clearing all Hashtables...
anal
Analysis mode is on
process 0: engineflags = 0 denktime=10000000 maxtime=10000000
00:00 3 (0) 1 1.37 Rc1-c2
00:00 5 (0) 1 1.55 Rc1-c7
++ c1-c6
00:00 190 (0) 1 1.65 Rc1-c6 Qf6-f4
00:00 314 (0) 1 1.75 Rc1-d1
00:00 556 (0) 2 1.51 Rc1-d1 Rg8-g5
++ c1-c6
00:00 628 (0) 2 1.65 Rc1-c6 Qf6-f4
++ c1-c7
00:00 838 (0) 2 1.78 Rc1-c7 Rg8-f8
++ c1-c4
00:00 1077 (0) 2 2.36 Rc1-c4 Nd3-f4 Qd5xd4 Nf4xh3 Kg1-f1
00:00 1444 (0) 3 2.36 Rc1-c4 Nd3-f4 Qd5xd4 Nf4xh3 Kg1-f1
++ c1-d1
00:00 1952 (0) 3 2.39 Rc1-d1 Nd3-f4 Qd5xd4 Nf4xh3 Kg1-f1
00:00 4163 (0) 4 1.71 Rc1-d1 Nd3-f4 Qd5xf3 Nf4xh3 Kg1-g2 Nh3-f4 Kg2-g1
++ c1-c7
00:00 13711 (0) 4 2.04 Rc1-c7 Qf6-f4 Qd5-d6 Nd3-e5
++ c1-c6
00:00 16260 (0) 4 2.19 Rc1-c6 Qf6-g7 Qd5xf3 Nd3-e5
00:01 28689 (0) 5 2.93 Rc1-c6 Qf6-e5 Qd5xe5 Nd3xe5 Rc6-f6 Rg8-a8
00:02 51503 (0) 6 3.23 Rc1-c6 Qf6-e5 Qd5xf3 Qe5-e1 Kg1-g2 Qe1-e8 Nb7-d6
00:03 93692 (0) 7 3.29 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-f6 Qd5-d6 Qf6xd6 Rc8xg8 Kh8xg8 N
b7xd6
00:05 146957 (0) 8 3.29 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-f6 Qd5-d6 Qf6xd6 Rc8xg8 Kh8xg8
Nb7xd6
00:10 286220 (0) 9 3.28 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-e5 Qd5xe5 Nd3xe5 Rc8xg8 Kh8xg8
a3-a4 d4-d3 Kg1-f1
00:50 1220520 (0) 10 3.26 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-e5 Qd5xe5 Nd3xe5 Nb7-d6 d4-d3
 Rc8xg8 Kh8xg8 Nd6-e4 Kg8-f8
02:51 4042531 (0) 11 3.27 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-e5 Qd5xe5 Nd3xe5 Rc8xg8 Kh8xg
8 Nb7-d6 d4-d3 Nd6-e4 Kg8-f8 Kg1-f1
07:47 10847814 (0) 12 3.13 Rc1-c6 Qf6-f4 Rc6-c8 Qf4-e5 Qd5xe5 Nd3xe5 Rc8xg8 Kh8x
g8 Nb7-d6 Kg8-f8 Kg1-f1 f7-f6 Nd6-f5 d4-d3
17:15 24259356 (0) 13 3.13 Rc1-c6 Rg8-g5 Qd5-d8 Qf6xd8 Nb7xd8 Kh8-g7 Rc6-c7 Rg5-
d5 Nd8xf7 Kg7-f6 Nf7-h8 Rd5-b5
29:51 42116199 (0) 14 2.73 Rc1-c6 Rg8-g5 Qd5-d8 Qf6xd8 Nb7xd8 Kh8-g8 Rc6-f6 Nd3-
c1 b3-b4 d4-d3 Kg1-f1 Rg5-d5 Nd8-c6
01:12:41 102480667 (0) 15 2.53 Rc1-c6 Rg8-g5 Qd5-d8 Qf6xd8 Nb7xd8 Kh8-g8 Rc6-f6
Nd3-c1 b3-b4 d4-d3 Rf6-d6 Rg5-g6 Nd8-b7
++ c1-c7
01:48:47 152996794 (0) 15 2.56 Rc1-c7 Nd3-f4 Qd5xf3 Nf4xh3 Kg1-g2 Nh3-f4 Kg2-f1
Qf6-a6 Rc7-c4 Nf4-g6 Qf3-d5 f7-f6 Nb7-c5 Qa6xa3 Qd5xd4
04:54:15 415236782 (0) 16 2.72 Rc1-c7 Nd3-f4 Qd5xf3 Nf4xh3 Kg1-g2 Qf6xf3 Kg2xf3
Nh3-g5 Kf3-e2 Kh8-g7 Nb7-d6 Rg8-d8 Rc7-c6 f7-f6 Ke2-d3
07:15:58 619248119 (0) 17 2.53 Rc1-c7 Nd3-f4 Qd5xf3 Nf4xh3 Kg1-g2 Qf6xf3 Kg2xf3
Nh3-g5 Kf3-e2 Kh8-g7 Rc7-d7 Rg8-b8 b3-b4 Rb8-a8 Nb7-a5 Ng5-e6
state



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