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Subject: Re: I Was Wrong.

Author: Mark Young

Date: 17:52:10 07/25/99

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On July 25, 1999 at 17:10:48, Mark Young wrote:

>On July 24, 1999 at 23:37:26, Paul Richards wrote:
>
>>On July 24, 1999 at 20:38:06, Alan Grotier wrote:
>>
>>>Fritz 5.32 says,
>>>                 18. Qb3____e6
>>>                 19. Q*b6___Kc8
>>>
>>>
>>>Fritz selectivity set at 3.
>>>
>>>Read the instructions _ default is 2.
>>
>>At what search depth?  In any case the Russian GMs at
>>http://www.gmchess.spb.ru/kasparov-world.html have been very active in analyzing
>>the game, and are promising a surprise for Kasparov's 18th move. Some believe
>>18. Qb3 f5! will be the new line.  We should have organized a computer search
>>here, it looks like tomorrow might be a turning point in the game.
>
>I have put my vote in for 18. .. f5! as well. I don't find computers that
>helpful at this type of chess other then checking my tactics as I play through
>some of my ideas. Below is what Hiarcs 7.32 thinks about the position. Only
>after 1 hour does it start to see the weakness in the move 18 .. Nd4?!. I doubt
>if Hiarcs 7.32 will ever think 18. .. f5! is the best move in this position or
>any other program, but I could be wrong.
>
>
>New game - Hiarcs 7.32
>r7/1p1kppbp/1pnp2p1/8/P3q3/1Q6/1P3PPP/R1B2RK1 b - - 0 1
>
>Analysis by Hiarcs 7.32:
>
>18...Nd4 19.Qh3+ Nf5 20.Qxh7 Rxa4 21.Rxa4 Qxa4
>  =  (0.00)   depth: 1   00:00:00
>18...Nd4 19.Qh3+ Nf5 20.Qxh7 Rxa4 21.Rxa4 Qxa4
>  =  (0.00)   depth: 2/11   00:00:00
>18...Nd4 19.Qe3 f5 20.f3 Qh4
>  =  (0.02)   depth: 3/11   00:00:00
>18...Nd4 19.Qh3+ Ne6 20.Be3 Bxb2
>  =  (0.10)   depth: 4/17   00:00:00
>18...Nd4 19.Qh3+ f5 20.Bg5 Ne2+ 21.Kh1 Bxb2
>  =  (0.13)   depth: 5/19   00:00:00  30kN
>18...Nd4 19.Qh3+ Ne6 20.Be3 Rxa4 21.Rxa4 Qxa4 22.Qf3 Nd8 23.Bxb6 Bxb2 24.Qh3+ e6
>25.Qxh7
>  =  (0.02)   depth: 6/21   00:00:03  121kN
>18...Nd4 19.Qh3+ Ne6 20.Be3 Rxa4 21.Rxa4 Qxa4 22.Qf3 Nd8 23.Bxb6 Bxb2 24.Qh3+ e6
>25.Qxh7
>  =  (0.02)   depth: 7/23   00:00:18  688kN
>18...Nd4 19.Qh3+ Qe6 20.Qxe6+ fxe6 21.Be3 Nc2 22.Ra2 b5 23.b3 Nxe3 24.fxe3 bxa4
>  =  (-0.11)   depth: 8/25   00:01:37  3760kN
>18...Nd4 19.Qxf7
>  =  (0.14)   depth: 9/27   00:04:32  11151kN
>18...Nd4 19.Qxf7 Nc2 20.Bd2 Nxa1 21.Re1 Qh4 22.Qd5 Rf8 23.Qxb7+
>  =  (0.00)   depth: 9/29   00:24:45  56430kN
>18...Nd4 19.Qxf7 Nc2 20.Bd2 Nxa1 21.Re1 Qh4 22.Qd5 Rf8 23.Qxb7+ Ke8 24.Qc8+ Kf7
>25.Qe6+ Ke8 26.Qc8+
>  =  (0.00)   depth: 10/29   00:39:28  92156kN
>18...Nd4 19.Qxf7
>  ²  (0.40)   depth: 11/30   01:10:14  166051kN
>
>(Young,  7/25/99)

New game - Hiarcs 7.32
r7/1p1kppbp/1pnp2p1/8/P3q3/1Q6/1P3PPP/R1B2RK1 b - - 0 1

Analysis by Hiarcs 7.32:

18...Nd4 19.Qh3+ Nf5 20.Qxh7 Rxa4 21.Rxa4 Qxa4
  =  (0.00)   depth: 1   00:00:00
18...Nd4 19.Qh3+ Nf5 20.Qxh7 Rxa4 21.Rxa4 Qxa4
  =  (0.00)   depth: 2/11   00:00:00
18...Nd4 19.Qe3 f5 20.f3 Qh4
  =  (0.02)   depth: 3/11   00:00:00
18...Nd4 19.Qh3+ Ne6 20.Be3 Bxb2
  =  (0.10)   depth: 4/17   00:00:00
18...Nd4 19.Qh3+ f5 20.Bg5 Ne2+ 21.Kh1 Bxb2
  =  (0.13)   depth: 5/19   00:00:00  30kN
18...Nd4 19.Qh3+ Ne6 20.Be3 Rxa4 21.Rxa4 Qxa4 22.Qf3 Nd8 23.Bxb6 Bxb2 24.Qh3+ e6
25.Qxh7
  =  (0.02)   depth: 6/21   00:00:03  121kN
18...Nd4 19.Qh3+ Ne6 20.Be3 Rxa4 21.Rxa4 Qxa4 22.Qf3 Nd8 23.Bxb6 Bxb2 24.Qh3+ e6
25.Qxh7
  =  (0.02)   depth: 7/23   00:00:18  688kN
18...Nd4 19.Qh3+ Qe6 20.Qxe6+ fxe6 21.Be3 Nc2 22.Ra2 b5 23.b3 Nxe3 24.fxe3 bxa4
  =  (-0.11)   depth: 8/25   00:01:37  3760kN
18...Nd4 19.Qxf7
  =  (0.14)   depth: 9/27   00:04:32  11151kN
18...Nd4 19.Qxf7 Nc2 20.Bd2 Nxa1 21.Re1 Qh4 22.Qd5 Rf8 23.Qxb7+
  =  (0.00)   depth: 9/29   00:24:45  56430kN
18...Nd4 19.Qxf7 Nc2 20.Bd2 Nxa1 21.Re1 Qh4 22.Qd5 Rf8 23.Qxb7+ Ke8 24.Qc8+ Kf7
25.Qe6+ Ke8 26.Qc8+
  =  (0.00)   depth: 10/29   00:39:28  92156kN
18...Nd4 19.Qxf7
  ²  (0.40)   depth: 11/30   01:10:14  166051kN
18...Nd4 19.Qxf7 Nc2 20.Bd2 Nxa1 21.Re1 Qh4 22.Qd5 Rf8 23.Qxb7+
  ²  (0.59)   depth: 11/30   02:09:29  292289kN
18...f5 19.Ra3 Bd4 20.Be3 Bxe3 21.fxe3 Na5 22.Qb5+ Qc6 23.Qe2 Qc4 24.Qd3 b5
25.Qd1 b4
  ²  (0.42)   depth: 11/30   05:22:21  682266kN

(Young, St. 7/25/99)




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