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Subject: Re: Q5Toutput , Century 3 multi-tasking hazards on long timecontrols

Author: Eelco de Groot

Date: 12:56:09 03/30/01

Go up one level in this thread


On March 30, 2001 at 10:28:22, Gian-Carlo Pascutto wrote:

>On March 29, 2001 at 10:06:01, Eelco de Groot wrote:
>
>>I let a version of Q5T for a change run on this position but it also couldn't
>>find anything other than 1. Be2-f3 overnight. But that seems such an obvious
>>move to prevent a mate in one that I don't think that was the move you were
>>thinking off
>
>Bf3 is best in this position, but it's the mainlines and score that
>interest me. I am still analysing the position myself.
>
>Interesting that Rebel picks Nxf2 as black's second move. I have thought
>untill now that Qe5 was best.
>
>--
>GCP


Well yes Gian-Carlo, that variation did have a rather speculative look to it,
didn't it? Queens and Rooks left hanging all over the board! I don't think Rebel
Century itself would play that line? It gives itself with White about +2.95 or a
little higher after 1. ..Ng4xf2 (Century 2.0).

Assuming the first five plies would remain the same I took up the analysis also
after 1. ..Nxf2 2.Rxf2 hxg3 3.hxg3 Qe5 with default Century 2.0.  I'll try 1.
..Qd5-e5 as well with Century 2.0

 Eelco



  +---+---+---+---+---+---+---+---+   -
8 | *R|   | *B|   | *K|   |   | *R|
  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
7 |   |   |   |   |   | *p| *p|   |
  +---+---+---+---+---+---+---+---+
6 | *p|   |   | *B| *p|   |   |   |  Time
  +---+---+---+---+---+---+---+---+  Hash          13 Mb
5 |   |   |   | *Q|   | *N| N |   |  Engine        Rebel Century 2.0
  +---+---+---+---+---+---+---+---+  Personality   Rebel.eng
4 | p |   |   | *p|   |   |   | *p|
  +---+---+---+---+---+---+---+---+
3 |   |   |   | p |   | B | p |   |
  +---+---+---+---+---+---+---+---+
2 |   | B | p |   |   | *N|   | p |
  +---+---+---+---+---+---+---+---+
1 | R | N |   | Q |   | R | K |   |
  +---+---+---+---+---+---+---+---+  1.. Be2-f3   Ng4xf2
    a   b   c   d   e   f   g   h

[D]r1b1k2r/5pp1/p2bp3/3q1nN1/P2p3p/3P1BP1/1BP2n1P/RN1Q1RK1 w kq -

[Event ""]
[Site ""]
[Date "-9928.-54.-20"]
[Round ""]
[White ""]
[Black ""]
[Result "*"]
[BlackElo ""]
[WhiteElo ""]
[FEN "r1b1k2r/5pp1/p2bp3/3q1nN1/P2p3p/3P1BP1/1BP2n1P/RN1Q1RK1 w kq - 0 1"]

1.Bf3 Nxf2 *

00:00  01.00  0.55   2.Bxd5 Nxd1 3.Bxa8 Nxb2
00:00  01.07  2.92   2.Rxf2 hxg3 3.hxg3
00:00  02.00  2.92   2.Rxf2 hxg3 3.hxg3
00:00  03.00  2.92   2.Rxf2 hxg3 3.hxg3
00:00  04.00  4.55   2.Rxf2 hxg3 3.hxg3 Ne3 4.Bxd5
00:00  05.00  4.55   2.Rxf2 hxg3 3.hxg3 Ne3 4.Bxd5 Nxd1+
00:01  06.00  4.55   2.Rxf2 hxg3 3.hxg3 Ne3 4.Bxd5 Nxd1+
                       5.Bxa8  (0)

00:03  07.00  4.52   2.Rxf2 hxg3 3.hxg3 Qc5 4.Bxa8 Ne3
                       5.Qf3 Qxg5  (1)

00:08  08.00  4.52   2.Rxf2 hxg3 3.hxg3 Qc5 4.Bxa8 Ne3+
                       5.Qf3  (4)

00:26  09.00  2.89   2.Rxf2 hxg3 3.hxg3 Qe5 4.Nxf7 Kxf7
                       5.Bxa8 Qxg3+ 6.Kf1 Bb4  (16)

01:36  10.00  3.44   2.Rxf2 hxg3 3.hxg3 Qe5 4.Nxf7 Kxf7
                       5.Bxa8 Qxg3+ 6.Kf1  (84)

03:24  11.00  3.04   2.Rxf2 hxg3 3.hxg3 Qe5 4.Nxf7 Kxf7
                       5.Bxa8 Qxg3+ 6.Kf1  (129)

06:04  12.00  2.94   2.Rxf2 hxg3 3.hxg3 Qe5 4.Nxf7 Kxf7
                       5.Bxa8 Qxg3  (265)

25:26  13.00  3.05   2.Rxf2 hxg3 3.hxg3 Qe5 4.Nxf7 Kxf7
                       5.Bxa8 Qxg3+ 6.Kf1 Rh2 7.Qf3  (525)


Going a little further:



  +---+---+---+---+---+---+---+---+   -
8 | *R|   | *B|   | *K|   |   | *R|
  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
7 |   |   |   |   |   | *p| *p|   |
  +---+---+---+---+---+---+---+---+
6 | *p|   |   | *B| *p|   |   |   |  Time
  +---+---+---+---+---+---+---+---+  Hash         512 Kb
5 |   |   |   |   | *Q| *N| N |   |  Engine        Rebel Century 2.0
  +---+---+---+---+---+---+---+---+  Personality   Rebel.eng
4 | p |   |   | *p|   |   |   |   |
  +---+---+---+---+---+---+---+---+
3 |   |   |   | p |   | B | p |   |
  +---+---+---+---+---+---+---+---+
2 |   | B | p |   |   | R |   |   |
  +---+---+---+---+---+---+---+---+
1 | R | N |   | Q |   |   | K |   |
  +---+---+---+---+---+---+---+---+  2.. Rf1xf2    h4xg3
    a   b   c   d   e   f   g   h    3..  h2xg3   Qd5-e5

[D]r1b1k2r/5pp1/p2bp3/4qnN1/P2p4/3P1BP1/1BP2R2/RN1Q2K1 w kq -

[Event ""]
[Site ""]
[Date "-9928.-54.-20"]
[Round ""]
[White ""]
[Black ""]
[Result "*"]
[BlackElo ""]
[WhiteElo ""]
[FEN "r1b1k2r/5pp1/p2bp3/4qnN1/P2p4/3P1BP1/1BP2R2/RN1Q2K1 w kq - 0 1"]

1.Bf3 Nxf2 2.Rxf2 hxg3 3.hxg3 Qe5 *

00:00  01.00  4.64   4.Bxa8 Qxg3+ 5.Rg2
00:00  02.00  4.64   4.Bxa8 Qxg3+ 5.Rg2
00:00  03.00  0.00   4.Bxa8 Qxg3+ 5.Rg2 Qe3+
00:00  03.01  4.57   4.Bc6+ Bd7 5.Bxa8 Qxg3+
00:00  04.00  4.57   4.Bc6+ Bd7 5.Bxa8 Qxg3+ 6.Rg2
00:02  05.00  1.95   4.Bc6+ Bd7 5.Qf3 Rb8 6.Bxd7+ Kxd7
00:03  05.03  2.95   4.Nxf7 Kxf7 5.Bxa8 Qxg3+ 6.Kf1 Bb4
00:07  06.00  3.50   4.Nxf7 Kxf7 5.Bxa8 Qxg3+ 6.Kf1 Bf4
                       7.Bg2  (6)

00:12  07.00  3.10   4.Nxf7 Kxf7 5.Bxa8 Qxg3+ 6.Kf1 Kg8
                       7.Qd2 Ne3+  (10)

00:26  08.00  3.13   4.Nxf7 Kxf7 5.Bxa8 Qxg3+
01:02  09.00  3.33   4.Nxf7 Kxf7 5.Bxa8 Qxg3+ 6.Kf1 Kg8
                       7.Qf3  (45)

02:33  10.00  3.20   4.Nxf7 Kxf7 5.Bxa8 Qxg3+
04:44  11.00  3.11   4.Nxf7 Kxf7 5.Bxa8 Qxg3+
14:29  12.00  2.93   4.Nxf7 Kxf7 5.Bxa8 Qxg3+




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