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
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