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Subject: Re: Chess Tiger 14 needs 61 seconds to find Ke4.

Author: Mark Young

Date: 22:30:35 08/07/02

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On August 07, 2002 at 02:00:16, Uri Blass wrote:

>result of the match 48 8 is 17.5-6.5 for Sjeng and it is a good result for
>movei.
>
>[D]8/p1p5/p7/P2k1p1p/2bP1Nn1/8/r5PP/2R1B1K1 b - - 0 39
>
>The test is to find Ke4(Movei played Kxd4 and lost the game)
>
>Movei cannot find the right move in a reasonable time.



Analysis by Chess Tiger 14.0: (2.53 GHz P4)

1...Kxd4 2.Nxh5 c5 3.Ng7 Ne3 4.Bf2 f4 5.Nf5+ Kd3 6.Nxe3 fxe3 7.Bxe3 Kxe3 8.Rxc4
  µ  (-1.14)   Depth: 10   00:00:00  209kN
1...Kxd4 2.Nxh5 c5 3.Ng7 Ne3 4.Bf2 f4 5.Nf5+ Kd3 6.Nxe3 fxe3 7.Bxe3 Kxe3 8.Rxc4
Rxa5
  µ  (-1.14)   Depth: 10   00:00:00  335kN
1...Kxd4 2.Nxh5 Bf7 3.Ng7 Ne3 4.Bf2 f4 5.h4 Rxa5 6.Rxc7 Ra1+ 7.Kh2
  µ  (-1.08)   Depth: 11   00:00:02  1223kN
1...Kxd4 2.h3 Ne3 3.Bf2 Ra4 4.Nxh5 Ra3 5.Rd1+ Kc5 6.Nf6 Kb4 7.Rd7 c5
  µ  (-0.84)   Depth: 12   00:00:06  3261kN
1...Kxd4 2.h3 Ne3 3.Bf2 Ra4 4.Nxh5 Kd3 5.Re1 Nd5 6.Bxa7 Rxa5 7.Ng3 Ra2 8.Nxf5
  µ  (-0.74)   Depth: 13   00:00:07  3754kN
1...Kxd4 2.h3 Ne3 3.Bf2 Ra4
  µ  (-0.74)   Depth: 14   00:00:10  5493kN
1...Kxd4 2.h3 Ne3 3.Bf2 Ra3 4.g3 c6 5.Ng2 Bd5 6.Nxe3 Rxe3 7.Bxe3+ Kxe3 8.Re1+
Kf3 9.Re5 Kxg3 10.Rxf5
  =  (0.10)   Depth: 15   00:00:16  8472kN
1...Ke4 2.Nxh5 Ne3 3.Bf2 Kd3 4.Nf4+ Kd2 5.Rb1 Nc2 6.h4 Rxa5 7.Rb7 Ra1+ 8.Kh2 Rf1
9.Bg3 c6
  ³  (-0.52)   Depth: 15   00:01:01  35261kN
1...Ke4 2.Nxh5 Ne3 3.Bf2 Kd3 4.Nf4+ Kd2 5.Rb1 c6 6.h4 Rxa5 7.Be1+ Kc2 8.Bxa5
Kxb1 9.h5 Nc2 10.Bc3
  ³  (-0.42)   Depth: 16   00:01:25  49934kN
1...Ke4 2.Nxh5 f4 3.h3 Ne3 4.Bf2 Bb5 5.Re1 Re2 6.Rxe2 Bxe2 7.Ng7 c6 8.Ne6 Bc4
9.Nd8 Bd5
  ³  (-0.42)   Depth: 17   00:02:19  83983kN

(Young, MyTown 08.08.2002)





>
>[D]4k2r/1r2bppp/p2q1n2/2p2b2/2PN4/4Q2P/PP3PP1/RNBR2K1 w k - 0 19
>
>Sjeng sacrificed a piece by 19.Qf3 Be4 20.Nf5 when the knight is trapped at g7
>but it seems that sjeng gets a decisive king attack.
>
>I am not sure if it is the only correct move but sjeng won the game when some
>other programs want to play 19.Nxf5 with negative evaluation.
>
>Uri



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