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Subject: Re: Undaunted, Q5T tackles yet another position..

Author: Ed Schröder

Date: 15:05:07 08/15/00

Go up one level in this thread


On August 15, 2000 at 15:33:59, Eelco de Groot wrote:

>Thanks for looking into the log-file bug and the information, Ed!
>
>I think 6 seconds is very fast, I believe Century 2.0 was a bit slower and Q3 in
>Century 1.2 needs 12 minutes 38 seconds (Logfile 1) so I think there is some
>difference in how the different programs interact with the personalities. That
>is great, really, it means there is lots of opportunity to do your own
>experiments to see if the personalities maybe can be improved to profit from a
>new program-version! The trend seems to be for this positon at least towards
>more speed for new Rebel-versions!

Rebel's speed especially on deeper depths have been greatly improved as
there was much space for improvements.


>About Qd8 in Rebel-Rohde: Century 2.0 for ECTool did need 31 minutes (Logfile 2)
>on my computer, Celeron 500MHz to settle on 22. ..Qd8. Is Century 3.0 beta
>faster, Ed?

Rebel Centurty 3.0 beta needs 1:22 (Athlon 600)

00:00:10 11.00  -0.64   1..Qa6 2.Qxa6 bxa6 3.Rxb8 Rxb8 4.exd4
                       f4 5.gxf4 Rf8 6.Re7 Bg4 7.Bc6 Bf5  (6)

00:00:21 12.00  -0.52   1..Qa6 2.Qxa6 bxa6 3.Rxb8 Rxb8 4.exd4
                       f4 5.gxf4 Rf8 6.Bb7 a5 7.Bc6 b3  (16)

00:00:37 13.00  -0.57   1..Qa6 2.Qxa6 bxa6 3.Rxb8 Rxb8 4.exd4
                       f4 5.gxf4 a5 6.Re3 Bf5 7.Be6 Bxe6
                       8.Rxe6 Rd8 9.b3 Rd7 10.Kg2  (27)

00:01:22 13.01  -0.55   1..Qd8 2.exd4 Ra8 3.Rxe8 Qxe8 4.Qc1
                       Qe2 5.Rxb7 Re8 6.f4 Qd3  (37)

00:14:46 14.00  -0.36   1..Qd8 2.Rxb4 dxe3 3.Rxe3 Rxe3 4.fxe3
                       h6 5.Kf2 b6 6.Qa7  (92)

Ed



>Logfile #1, Century 1.2, Q3.ENG, De Riviere - Morphy position:
>
>Thinking....
>
>  +---+---+---+---+---+---+---+---+  CENTURY  - Player
>8 | *R|   | *B| *Q|   | *R| *K|   |
>  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
>7 | *p| *p| *p|   |   |   | *p|   |
>  +---+---+---+---+---+---+---+---+
>6 |   |   |   |   |   |   |   | *p|  Time          infinite
>  +---+---+---+---+---+---+---+---+  Hash          28 Mb
>5 |   |   |   | p |   |   | *N|   |  Engine        Rebel Century
>  +---+---+---+---+---+---+---+---+  Personality   Q3.ENG
>4 |   |   | p | Q |   | *p|   |   |  anti-GM       Off
>  +---+---+---+---+---+---+---+---+  Fast Eval.    On
>3 |   | N |   |   |   |   |   | p |  Fast Search   On
>  +---+---+---+---+---+---+---+---+  Style         Normal
>2 | p | p | p |   |   | p | p | K |  Strength      Strongest
>  +---+---+---+---+---+---+---+---+  Search        Deeper Search
>1 | R |   | B |   |   | R |   |   |
>  +---+---+---+---+---+---+---+---+
>    a   b   c   d   e   f   g   h
>
>r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - -
>
>[Event "?"]
>[Site "?"]
>[Date "??.??.????"]
>[Round "?"]
>[White "Player"]
>[Black "CENTURY "]
>[Result "*"]
>[WhiteElo "?"]
>[BlackElo "?"]
>[FEN "r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - - 0 1"]
>
>1..*
>
>00:00:00  1.00  -4.68   1..Ne4 2.Qxe4
>00:00:00  1.01  -3.63   1..Nf3+ 2.gxf3
>00:00:00  1.02  -3.33   1..Nxh3 2.gxh3
>00:00:00  1.05  -2.16   1..Bf5 2.Bxf4 Bxc2
>00:00:00  1.10  -1.52   1..Qd6
>00:00:00  1.11  -1.36   1..Qf6
>00:00:00  2.00  -2.09   1..Qf6 2.Qxf6 Rxf6
>00:00:00  2.04  -1.91   1..Qd6 2.Kg1
>00:00:00  2.14  -1.91   1..f3
>00:00:00  2.14  -0.25   1..f3 2.Bf4 fxg2
>00:00:00  3.00  -0.22   1..f3 2.g3 Nxh3 3.c5
>00:00:00  4.00  -0.22   1..f3 2.g3 Nxh3 3.c5
>00:00:01  4.01  -0.22   1..Bxh3
>00:00:02  5.00  -0.28   1..f3 2.Bxg5 Qxg5 3.g4 Qh4 4.Rg1
>00:00:02  5.01  -0.28   1..Bxh3
>00:00:03  5.02  0.61   1..Nf3+ 2.gxf3 Qh4 3.c5 Bxh3 4.Rh1
>                       Bf1 5.Kg1  (2)
>
>00:00:03  6.00  -0.73   1..Nf3+ 2.gxf3 Qh4 3.Re1 Bxh3 4.Bd2
>                       Bf1+ 5.Kg1 c5 6.Nxc5  (3)
>
>00:00:05  6.02  0.19   1..Nxh3 2.gxh3 Qh4 3.Bxf4 Qxh3+
>                       4.Kg1 Qg4+ 5.Bg3 Qh3 6.Bxc7 Bg4  (3)
>
>00:00:11  7.00  0.61   1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3
>                       Rxc4 5.Qg3 Qh5 6.Rg1 Rg4  (5)
>
>00:00:21  8.00  0.50   1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3
>                       Rxc4 5.Qg3 Bf5 6.c3 Qe4 7.Rad1  (12)
>
>00:00:24  8.01  0.58   1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.Bd2
>                       Bf5+ 5.Kg1 Qg5+ 6.Kf1 Rae8 7.Qxa7  (21)
>
>00:00:32  9.00  0.45   1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.Bd2
>                       Rae8+ 5.Bc3 Bf5+ 6.Kg1 Qg5+ 7.Kf1
>                       Rf6+ 8.Qxa7  (27)
>
>00:01:03 10.00  0.48   1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.Nc5
>                       Rad8 5.Ne4 Rf5+ 6.Rd1 Qh5 7.Qxa7
>                       Qxf3 8.Rg1  (45)
>
>00:02:57 10.01  0.57   1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3
>                       Rxc4 5.Rg1 Bf5 6.c3 g6 7.Nd2 Rf4
>                       8.Rg3  (63)
>
>00:11:56 11.00  0.78   1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3
>                       Qf6 5.Qc3 Rxf2+ 6.Kg1 Qxc3 7.bxc3
>                       Rxf1+  (202)
>
>00:12:38 11.01  0.78   1..Nf3+
>00:15:57 11.01  2.17   1..Nf3+ 2.gxf3 Qh4 3.Re1 Bxh3 4.Re7
>                       Bf5+ 5.Kg1 Qg5+ 6.Kh1 Qxe7 7.Bxf4
>                       Qh4+ 8.Bh2 Qh3  (758)
>
>00:19:54 12.00  2.43   1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.d6
>                       Rf5 5.Bxf4 Rxf4 6.Qd5  (968)
>
>Logfile #2:
>
>Thinking....
>
>  +---+---+---+---+---+---+---+---+  10.5, Rebel - M. Rohde, GM
>8 |   | *R|   |   | *R|   |   | *K|
>  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
>7 |   | *p|   |   |   |   | *p| *p|
>  +---+---+---+---+---+---+---+---+
>6 |   | *Q|   | *p|   |   |   |   |  Time
>  +---+---+---+---+---+---+---+---+  Hash          28 Mb
>5 |   | R |   | B |   | *p|   |   |  Engine        Rebel Century 2.0
>  +---+---+---+---+---+---+---+---+  Personality   REBEL.ENG
>4 |   | *p| p | *p|   |   |   |   |
>  +---+---+---+---+---+---+---+---+
>3 |   |   |   |   | p |   | p | *B|
>  +---+---+---+---+---+---+---+---+
>2 |   | p |   |   |   | p |   | p |
>  +---+---+---+---+---+---+---+---+
>1 | Q |   |   |   | R |   | K |   |
>  +---+---+---+---+---+---+---+---+  21.. Ra3-a5    e5xd4
>    a   b   c   d   e   f   g   h    22.. Ra5-b5
>
>1r2r2k/1p4pp/1q1p4/1R1B1p2/1pPp4/4P1Pb/1P3P1P/Q3R1K1 b - -
>
>[Event "Monthly GM Challenge"]
>[Site "Internet (Rebel Home Page)"]
>[Date "1999.05.22"]
>[Round ""]
>[White "10.5, Rebel"]
>[Black "M. Rohde, GM"]
>[Result "0-1"]
>[BlackElo ""]
>[WhiteElo ""]
>[ECO ""]
>
>1.d4 Nf6 2.c4 e6 3.g3 Bb4 4.Bd2 c5 5.Bxb4 cxb4 6.Bg2 O-O 7.Nf3 d6 8.O-O
>a5 9.a3 Na6 10.Nbd2 Re8 11.Ne1 e5 12.Nc2 bxa3 13.Rxa3 Rb8 14.Ne4 Nxe4
>15.Bxe4 Bh3 16.Re1 Qb6 17.e3 f5 18.Bd5 Kh8 19.Qa1 Nb4 20.Nxb4 axb4
>21.Ra5 exd4 22.Rb5 0-1
>
>00:00  01.00  -7.79   22..dxe3 23.Rxb6
>00:00  01.01  -4.07   22..Qxb5 23.cxb5
>00:00  01.07  -0.52   22..Qc7 23.Rxb4
>00:00  02.00  -0.52   22..Qc7 23.Rxb4
>00:00  03.00  -0.52   22..Qc7 23.exd4 Rxe1+ 24.Qxe1
>00:00  03.01  -0.44   22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8
>00:00  03.02  -0.37   22..Qd8 23.exd4 Ra8 24.Rxe8+
>00:00  04.00  -0.37   22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8
>00:00  05.00  -0.32   22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8
>                       25.Qd1  (0)
>
>00:00  06.00  -0.64   22..Qd8 23.exd4 Rxe1+ 24.Qxe1 Qe8
>                       25.Qd1 Bg4  (0)
>
>00:00  06.03  -0.49   22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8
>                       25.exd4 Rc8 26.Re7  (0)
>
>00:00  07.00  -0.64   22..Qa6 23.exd4 Qxa1 24.Rxa1 Ra8
>                       25.Rb1 Re2  (0)
>
>00:02  08.00  -0.58   22..Qa6 23.exd4 Qa2 24.Rxb7 Ra8
>                       25.Qb1 Qxb2 26.Rxb4  (1)
>
>00:04  09.00  -0.55   22..Qa6 23.exd4 Ra8 24.Rxe8+ Rxe8
>                       25.Qc1 Re7 26.Bf3 Qa7 27.Rxb4 Qxd4  (2)
>
>00:09  10.00  -0.57   22..Qa6 23.exd4 Ra8 24.Rxe8+ Rxe8
>                       25.Qc1 b6 26.Rxb4 Qa5 27.Bc6 Re2  (5)
>
>00:19  11.00  -0.64   22..Qa6 23.exd4 Ra8 24.Rxe8+ Rxe8
>                       25.Qc1 Re7 26.Bg2+ Bxg2 27.Kxg2
>                       g6 28.Rxb4 Re2  (11)
>
>00:41  12.00  -0.57   22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8
>                       25.exd4 f4 26.gxf4 Rf8 27.Re7 g6
>                       28.Ra7 Bc8 29.Rc7  (25)
>
>01:12  13.00  -0.55   22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8
>                       25.exd4 f4 26.gxf4 Rf8 27.Re7 g6
>                       28.Be6 Bxe6 29.Rxe6 Rc8 30.b3 Rd8  (52)
>
>02:33  14.00  -0.60   22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8
>                       25.exd4 f4 26.gxf4 Rf8 27.Re3 Bf5
>                       28.Re7 Bh3  (100)
>
>06:11  15.00  -0.86   22..Qa6 23.Bxb7 Qxa1 24.Rxa1 dxe3
>                       25.fxe3 g6 26.Bc6 Red8 27.Rxb8  (256)
>
>31:22  15.01  -0.86   22..Qd8
>32:38  15.01  -0.47   22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8
>                       25.Qc1 Qe2 26.Rxb7 Re8  (1882)
>
>51:56  16.00  -0.38   22..Qd8 23.Rxb4 dxe3 24.Rxe3 Rxe3
>                       25.fxe3 h6  (2162)
>
>32:48  17.00  -0.40   22..Qd8 23.Rxb4 Re7 24.e4 Qf8 25.Rb3
>                       fxe4 26.Rxe4 Rxe4  (14188)
>
>04:49  18.00  -0.42   22..Qd8 23.Rxb4 Re7 24.Rb3 dxe3
>                       25.Rexe3 Rxe3 26.Rxe3 b5 27.Bc6  (40362)
>
>
>Positions                :   2.972.433.790
>Nodes per second         :   4.294.957.713
>
>Extensions (checks)      :   4.114.342.314 (0%)
>Extensions (captures)    :     180.621.074 (0%)
>Extensions (king safety) :      16.128.637 (-1%)
>Extensions (on depth)    :               0 (0%)
>Extensions (remaining)   :      18.773.351 (-1%)
>Extensions (total)       :      34.898.080 (-2%)
>
>Hash Table               : 88.934.077  88.934.077  (99%)
>Average depth            :  1
>Deepest depth            : 60
>
>W e l c o m e   t o   R E B E L   S o f t w a r e
>
>Rebel Century 2.0 analysis module for ECTOOL
>
>Copyright 2000 Schröder BV, the Netherlands
>
>. .  B R  . .  . .  B R  . .  . .  B K      10.5, Rebel - M. Rohde, GM
>. .  B p  . .  . .  . .  . .  B p  B p      Black to move
>. .  B Q  . .  B p  . .  . .  . .  . .
>. .  W R  . .  W B  . .  B p  . .  . .      Move time  : 38:18:31
>. .  B p  W p  B p  . .  . .  . .  . .      Total time : 38:18:31
>. .  . .  . .  . .  W p  . .  W p  B B
>. .  W p  . .  . .  . .  W p  . .  W p      21.. Ra3-a5    e5xd4
>W Q  . .  . .  . .  W R  . .  W K  . .      22.. Ra5-b5
>
>Engine version   : Rebel Century 2.0
>Hash table size  :  28 Mb
>IO version       : 2.0
>Analysis status  : REBENG01.PGN to REBENG01.ANA, Analysis current position
>
>51:56  16.00  -0.38  22..Qd8 23.Rxb4 dxe3 24.Rxe3 Rxe3 25.fxe3 h6
>32:48  17.00  -0.40  22..Qd8 23.Rxb4 Re7 24.e4 Qf8 25.Rb3 fxe4 26.Rxe4 Rxe4
>04:49  18.00  -0.42  22..Qd8 23.Rxb4 Re7 24.Rb3 dxe3 25.Rexe3 Rxe3 26.Rxe3 b5 27
>
>18:31    19.00/31   b6-d8  b5-b4  d4-e3  e1-e3  e8-e3  200930 (-715304153))



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