Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A challenge to us all from Gary Kasparov himself

Author: Jeremiah Penery

Date: 16:27:23 10/09/03

Go up one level in this thread


On October 09, 2003 at 06:26:17, Andreas Stabel wrote:

>On October 09, 2003 at 06:24:57, Andreas Stabel wrote:
>
>>In this article:
>>http://www.chessbase.com/newsdetail.asp?newsid=1187
>
>Sorry - it should be:
>[D]1rb2rk1/p1p3pp/2pb4/3p4/3Pp3/4B2q/PPPQBP1P/2KR3R b - - 0 17
>>were are all challenged to find the answer to if 17... Rxf2 is the
>>best move or not.
>>
>>This should be the perfect opportunity for us all to use our pooled
>>knowlegde, computer power and programs to solve this one.

I haven't really looked at it yet, but just started my computer on it in the
morning before I left to work.  This is what it shows now:

            12     2:50  -1.03   1. ... Bb4 2. c3 Bd6 3. Rdg1 Bf5 4.
                                 Rg5 Rf7 5. Bh5 Rd7 6. Be2 Rf8 7. Bf4
            12     5:40  -1.08   1. ... Rb4 2. a3 Rb7 3. Qa5 Be6 4.
                                 Qa4 Ra8 5. Bf1 Qf3 6. Ba6 Rb6 7. Qa5
            12     8:45  -1.30   1. ... Rb6 2. Bf1 Qh4 3. c4 Bb4 4.
                                 Qc2 Bg4 5. Be2 Bd6 6. Bxg4 Qxg4 7.
                                 h3
            12    17:50     ++   1. ... Rxf2!!
            12->  18:43  -1.47   1. ... Rxf2
            13    21:18     ++   1. ... Rxf2!!
            13    22:35  -1.89   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Qa3+ 8. Kd2 Rb2+ 9. Ke1 Rc2
                                 10. c4 dxc4 11. Qxe4
            13->  23:32  -1.89   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Qa3+ 8. Kd2 Rb2+ 9. Ke1 Rc2
                                 10. c4 dxc4 11. Qxe4
            14    29:21  -2.08   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Qa3+ 8. Kd2 Rb2+ 9. Ke1 Rc2
                                 10. Bg3 Rxc3 11. Bxd6 cxd6
            14->  32:41  -2.08   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Qa3+ 8. Kd2 Rb2+ 9. Ke1 Rc2
                                 10. Bg3 Rxc3 11. Bxd6 cxd6
            15    84:29     ++   1. ... Rxf2!!
            15   289:22  -3.25   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Rb2 8. Kxb2 Ba3+ 9. Ka2 Bc1+
                                 10. Kb1 Bxe3 11. Bxe3 Qb3+ 12. Kc1
                                 Qxc3+
            15-> 292:12  -3.25   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. Qe3 Rb2 8. Kxb2 Ba3+ 9. Ka2 Bc1+
                                 10. Kb1 Bxe3 11. Bxe3 Qb3+ 12. Kc1
                                 Qxc3+
            16   636:24  -3.15   1. ... Rxf2 2. Bxf2 Qa3 3. c3 Qxa2
                                 4. b4 Qa1+ 5. Kc2 Qa4+ 6. Kc1 Rxb4
                                 7. cxb4 Bxb4 8. Qb2 Ba3 9. Be3 Ba6
                                 10. Bg4 Qc4+ 11. Kb1 Bxb2 12. Kxb2
            16   712:00  14/51?  1. ... Kh8


   Elapsed Time: 712:12, CPU Time: 673:42, CPU Use: 94%
   Nodes: 12810388756, Evaluations: 628101471, FH%: 93%, NPS: 299k
   EXTENSIONS->
       Threat: 7207997, Check: 1050951850, One Move: 65055103
       Passed Pawn: 15073767, Recapture: 23593427
   PRUNING->  Futility: 3805147375, Razors: 223161990
   TABLEBASES-> Probes: 0, Successful: 0
   HASHING->
       Raw Hits: 9% (224113894/-1974073590)
       Good Hits: 9% (223203306/-1974073590)
       Pawn Hits: 98% (1113495247/1133869683)
       Filled: 99%
       EXACT Hits: 0% (1089)
       LOWER Hits: 7% (178480459)
       UPPER Hits: 1% (42564661)

Modified Crafty, AthlonXP 1.6GHz



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.