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Subject: Engine test position

Author: Shaley

Date: 03:13:08 08/31/05


[D]r3brk1/1pq1bpp1/p1p1pn1p/4N3/3P1P2/P1N4P/1PQ2PP1/1B1R1RK1 w - - 0 17

This is the position from the game played between Kramnik and Lputian in
Debrecen back in 1992. White should play here  17...d5!! How soon can chess
engines find this tricky move? Here is what Fruit 2.1 gives with my rather old
hardware ( Cel 333/RAM 128MB).
Analysis by Fruit 2.1:

17.Ba2
  ²  (0.66)   Depth: 1/1   00:00:00
17.Ba2 Kh8
  ²  (0.26)   Depth: 2/6   00:00:00
17.Ba2 Nd5 18.Nxd5 exd5
  ²  (0.42)   Depth: 3/7   00:00:00
17.Rfe1 Kh8 18.Ba2
  ²  (0.43)   Depth: 3/7   00:00:00
17.Rfe1 Kh8 18.Ba2 Bd7
  =  (0.15)   Depth: 4/9   00:00:00
17.Ba2 Kh8 18.Bc4 Nd5
  =  (0.21)   Depth: 4/11   00:00:00
17.Ba2 Nd7 18.Bc4 b5 19.Be2 Nxe5 20.dxe5
  ²  (0.28)   Depth: 5/12   00:00:00
17.Qe2 Qb6 18.Be4 Nd5 19.Qd2
  ²  (0.29)   Depth: 5/15   00:00:00
17.Qe2 Qb6 18.Be4 Nd5 19.f5 Kh8
  =  (0.11)   Depth: 6/18   00:00:01  64kN
17.Ba2 Nd7 18.Bc4 Nxe5 19.dxe5 Rd8 20.Rfe1
  =  (0.19)   Depth: 6/18   00:00:01  76kN
17.Rfe1 Bd7 18.Ba2 Kh8 19.Rc1 Qa5
  =  (0.20)   Depth: 6/18   00:00:02  88kN
17.Rfe1 Kh8 18.Qd2 c5 19.Bc2 c4 20.Rc1
  ²  (0.28)   Depth: 7/23   00:00:04  208kN
17.Rfe1 Kh8 18.Ba2 Nh5 19.f5 Nf4 20.Ne2 Nd5 21.Bxd5 exd5
  ²  (0.36)   Depth: 8/23   00:00:08  463kN
17.Rfe1 Kh8 18.Ba2 Rc8 19.Re3 Bd7 20.Rc1 Qb6 21.Nxd7 Nxd7
  ²  (0.30)   Depth: 9/25   00:00:13  915kN
17.d5 Rd8 18.dxe6 fxe6 19.Ba2 Qc8 20.Rxd8 Bxd8 21.g3 Nd5 22.Rd1
  ²  (0.49)   Depth: 9/27   00:00:30  2369kN

Alexander



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