Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: ECM.1617

Author: Janos Keinrath

Date: 06:39:05 09/24/01

Go up one level in this thread


On September 24, 2001 at 01:49:35, Michel Langeveld wrote:

After 2 hours my program gets the following line (PII/400MHz):

1.Ng5xh7 Kg8xh7 2.Rf1xf7 Rf8xf7 3.Qe2-h5 Kh7-g8
4.Be4xg6 Bd7-e6 5.Qh5-h7 Kg8-f8 6.Be3-h6 Kf8-e8
7.Qh7xg7  a7-a5 8.Bg6xf7 Be6xf7 9.Qg7-f8 Ke8-d7
10.Qf8xf7  a5xb4

with +4.14.

Janos

>another solution found?
>
>======================================================================
>! ECM.1617 !
>======================================================================
>
>       +---+---+---+---+---+---+---+---+
>    8  | *R| *N|   |   |   | *R| *K|   |
>       +---+---+---+---+---+---+---+---+
>    7  | *P| *P|   | *B| *P| *P| *B| *P|
>       +---+---+---+---+---+---+---+---+
>    6  |   | *Q| *P|   |   |   | *P|   |
>       +---+---+---+---+---+---+---+---+
>    5  |   |   |   |   | P |   | N |   |
>       +---+---+---+---+---+---+---+---+
>    4  | P | P |   | P | B |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    3  |   |   | P |   | B |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   | Q |   | P | P |
>       +---+---+---+---+---+---+---+---+
>    1  | R |   |   |   |   | R | K |   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>solution 1. Nxh7
>              time surplus   0.00  time limit 20:00 (20:00)
>         nss  depth   time  score   variation (1)
>                6->   0.62   1.04   1. Qa2 e6 2. Qf2 f5 3. exf6 Rxf6
>                7     0.76   0.87   1. Qa2 e6 2. Qf2 Qc7 3. Bf4 h6 4. Nf3
>                7     1.74   0.88   1. Qf2 a5 2. Nxf7 axb4 3. cxb4 Qxb4
>                                    4. Bg5
>                7     2.22   1.00   1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
>                                    cxb4
>                7->   3.19   1.00   1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
>                                    cxb4
>                8     3.64   0.84   1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
>                                    cxb4 e6
>                8     6.26   0.93   1. Qf2 Qd8 2. b5 Qe8 3. bxc6 Nxc6 4.
>                                    a5 e6
>                8    10.04   1.04   1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Qd8
>                                    4. Qxe6+ Kh8 5. Bf4
>                8->  10.63   1.04   1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Qd8
>                                    4. Qxe6+ Kh8 5. Bf4
>                9    11.44   1.24   1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Rxf1+
>                                    4. Rxf1 Kh8 5. Qxe6 Qc7
>                9->  14.23   1.24   1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Rxf1+
>                                    4. Rxf1 Kh8 5. Qxe6 Qc7
>               10    16.46   1.30   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Kh8
>                                    4. Rxf8+ Bxf8 5. Qxe6 Qd8 6. Rf1 Nd7
>               10->  32.85   1.30   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Kh8
>                                    4. Rxf8+ Bxf8 5. Qxe6 Qd8 6. Rf1 Nd7
>               11    36.91   1.41   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qc7
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
>                                    7. Rf7 Rd8
>               11->  57.03   1.41   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qc7
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
>                                    7. Rf7 Rd8
>               12     1:08   1.32   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 a5
>                                    7. Qf7 Nd7
>               12->   3:44   1.32   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 a5
>                                    7. Qf7 Nd7
>               13     4:16   1.54   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
>                                    7. Rf7 Nf6 8. Qe5
>               13->   6:45   1.54   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
>                                    4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
>                                    7. Rf7 Nf6 8. Qe5
>               14     8:34   1.50   1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
>                                    4. Qxe6+ Kh8 5. Rxf8+ Qxf8 6. Rf1 Bf6
>                                    7. Bg5 Kg7 8. Rf2 Qf7
>              time=20:01  cpu=99%  mat=0  n=517825835  fh=90%  nps=431047
>              ext-> chk=14494777 pp=578838 1rep=1498995 mate=120778
>              predicted=0  nodes=517825835  evals=117491948
>              endgame tablebase-> probes done=0  successful=0
>              hashing-> trans/ref=24%  pawn=9%  used=99%
>----------------------> solution incorrect (162/179).



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.