Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: G. Kasparov - V. Topalov; Wijk aan Zee, 1999 impossible Rxd4!!!!

Author: Frank E. Oldham

Date: 14:28:25 07/29/05

Go up one level in this thread


On July 28, 2005 at 08:45:45, Andreas Guettinger wrote:

>On July 28, 2005 at 07:58:47, Uri Blass wrote:
>
>>On July 28, 2005 at 05:12:16, Vegadapirate wrote:
>>
>>>Here is one of G.Kasparov's best game of the century, his specially for his 2
>>>best tactical moves in the game Rxd4!!! (Maybe - '!!!!!!')
>>
>>Rxd4 is not winning.
>>
>>
>>  One of the most
>>>incredible moves in all of chess.
>>
>>Not at all after Rxd4 Kb6 white is not better based on kasparov's notes.
>>It is certainly a bad test position.
>
>I agree. And solving times <1 seconds are very dubious. I doubt the engines see
>the full combination in this time.
>
>Maybe the better test position would be which engines play Kb6 here instead of
>cxd4 here:
>
>[D] b2r3r/k4p1p/p2q1np1/NppP4/3R1Q2/P4PPB/1PP4P/1K2R3 b - -
>
>Hiarcs9.6 UCI:
>
>+0.21 12/1 00:11:10 31209466 46539 1... Kb6 2. Nb3 Bxd5 3. Qxd6 Rxd6 4. Rd2 Rhd8
>5. Red1 Ne8 6. f4 Bxb3 7. Rxd6 Rxd6 8. Rxd6
>
>regards
>Andy

crafty rejects cxd4 pretty quickly and seems to settle on Kb6

Mac OS X 10.4.2 -- Dual 2GHz G5 -- gcc4.0 binary

White(1): b2r3r/k4p1p/p2q1np1/NppP4/3R1Q2/P4PPB/1PP4P/1K2R3 b
Black(1): go
              time surplus   0.00  time limit 16666:39 (16666:39)
              depth   time  score   variation (1)
starting thread 1
               12->  10.87  -1.60   1. ... cxd4 2. Re7+ Kb6 3. Qxd4+ Kxa5
                                    4. Qc3+ b4 5. axb4+ Qxb4 6. Qc7+ Ka4
                                    7. b3+ Ka3 8. Qe5 Qb6 9. Qb2+ Kb4 10.
                                    c3+ Kc5 11. Qf2+ Kd6 12. Qxb6+ Kxe7
                                    13. Qc7+ Ke8
               13    16.10     +1   1. ... cxd4
               13    22.08  -0.01   1. ... cxd4 2. Re7+ Kb6 3. Qxd4+ Kxa5
                                    4. b4+ Ka4 5. Qc3 Qxd5 6. Qc7 Qd1+
                                    7. Kb2 Qd4+ 8. Kb1 Qd1+
               13     1:44  -0.33   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 a5 5. Red1 Rhd8 6. Ka1 Ne8 7.
                                    Bg2 Bxb3 8. Rxd6+ Nxd6 9. cxb3 f6
               13->   2:03  -0.33   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 a5 5. Red1 Rhd8 6. Ka1 Ne8 7.
                                    Bg2 Bxb3 8. Rxd6+ Nxd6 9. cxb3 f6
               14     3:09  -0.29   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Bg2 a4 <HT>
               14->   3:56  -0.29   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Bg2 a4 <HT>
               15     7:42  -0.35   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Ka1 Ne8 7.
                                    Bg2 g5 8. h3 Bxb3 9. Rxd6+ Nxd6 10.
                                    cxb3 f5
               15->   8:38  -0.35   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Ka1 Ne8 7.
                                    Bg2 g5 8. h3 Bxb3 9. Rxd6+ Nxd6 10.
                                    cxb3 f5
               16    15:30  -0.31   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Kc1 Ne8 7.
                                    Bg2 g5 8. h3 a4 9. Na1 Bc4 10. f4 gxf4
                                    11. gxf4 Rxd2 12. Rxd2
               16->  18:25  -0.31   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Kc1 Ne8 7.
                                    Bg2 g5 8. h3 a4 9. Na1 Bc4 10. f4 gxf4
                                    11. gxf4 Rxd2 12. Rxd2
               17    43:47  -0.39   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Ka1 Ne8 7.
                                    Bg2 g5 8. h3 f5 9. Nc1 g4 10. hxg4
                                    fxg4 11. Rf2 gxf3 12. Bxf3 Bxf3 13.
                                    Rxd6+ Rxd6 14. Rxf3
               17->  52:27  -0.39   1. ... Kb6 2. Nb3 Bxd5 3. Qxd6+ Rxd6
                                    4. Rd2 Rhd8 5. Red1 a5 6. Ka1 Ne8 7.
                                    Bg2 g5 8. h3 f5 9. Nc1 g4 10. hxg4
                                    fxg4 11. Rf2 gxf3 12. Bxf3 Bxf3 13.
                                    Rxd6+ Rxd6 14. Rxf3
?              18    52:30   1/38*  1. ... Kb6
Black(0): ?
              time=52:38  cpu=392%  mat=1  n=8841894673  fh=92%  nps=2.80M
              ext-> chk=613329727 cap=24641816 pp=5791663 1rep=42059698
mate=2469210
              predicted=0  nodes=8841894673  evals=2048338386  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=3799  stop=661  data=12/64  cpu=206:33  elap=52:38

Frank



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.