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Subject: Tiger 4:43 to see mate in 3 on 1.7 Ghz

Author: Mike Byrne

Date: 16:44:07 05/15/03

>
>[d]8/8/8/4np1K/1NN2k2/1R6/1P5P/3n4 w - - 0 1
>
>Ipaq running Chess Genius is faster than many programs running on a dual 1.7 Ghz
>....amazingly...
>
>try it yourself...

Tiger is one of the strongest if not, the strongest programs around -- it amazes
me it takes 4:43 on o 1.7 Ghz.

Many other program are as long or longer -- position must be very tricky for
programs...


Analysis by Chess Tiger 15.0:

1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3
  +-  (7.42)   Depth: 2   00:00:00  1kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2
  +-  (8.02)   Depth: 2   00:00:00  1kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2
  +-  (8.02)   Depth: 2   00:00:00  1kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2
  +-  (8.02)   Depth: 5   00:00:00  1kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2
  +-  (8.02)   Depth: 5   00:00:00  1kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2
  +-  (8.02)   Depth: 5   00:00:00  2kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2 4.Rb5+ Ke4 5.Nxf5
  +-  (8.02)   Depth: 5   00:00:00  2kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2 4.Rb5+ Ke4 5.Nxf5
  +-  (8.02)   Depth: 5   00:00:00  2kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2 4.Rb5+ Ke4 5.Nxf5
  +-  (8.02)   Depth: 5   00:00:00  2kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2 4.Rb5+ Ke4 5.Nxf5
  +-  (8.02)   Depth: 5   00:00:00  2kN
1.Nd5+ Ke4 2.Nxe5 Kxe5 3.Ne3 Nf2 4.Rb5+ Ke4 5.Nxf5
  +-  (8.02)   Depth: 6   00:00:00  2kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.Kg5 Kg2 5.Ne3+ Kg1 6.Kxf5 Kxh2
  +-  (7.70)   Depth: 6   00:00:00  6kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.Kg5 Kg2 5.Kxf5 Kxh2
  +-  (8.20)   Depth: 7   00:00:00  9kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.Kg5 Kg2 5.Kxf5 Kxh2 6.b4
  +-  (8.20)   Depth: 8   00:00:00  23kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.Kg5 Kg2 5.h4 Kg3 6.Kxf5
  +-  (8.94)   Depth: 9   00:00:00  27kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.Kg5 Kg2 5.h4 f4 6.Kxf4 Nh3+ 7.Ke5
  +-  (9.20)   Depth: 10   00:00:00  133kN
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd2 Ne4 4.Rd4 Kf3 5.Rxe4 Kxe4 6.h4
  +-  (9.98)   Depth: 11   00:00:01  462kN, tb=2
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd2 Ne4 4.Rd4 Kf3 5.Rxe4 fxe4 6.h4 e3 7.b4
  +-  (10.01)   Depth: 12   00:00:03  1224kN, tb=5
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.b4 Ne4 5.Rxe4 Kxe4 6.h4 f4 7.b5 Kd4 8.b6
Kxc4
  +-  (10.80)   Depth: 13   00:00:12  3761kN, tb=81
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.b4 Ne4 5.Rxe4 Kxe4 6.h4 f4 7.b5 Kd4 8.b6
Kxc4
  +-  (10.80)   Depth: 14   00:00:30  9660kN, tb=285
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.b4 Ne4 5.Nd2+ Ke3 6.Rxe4+ fxe4 7.Nxe4 Kxe4
  +-  (11.70)   Depth: 15   00:01:46  31883kN, tb=1473
1.Nd3+ Nxd3 2.Rxd3 Nf2 3.Rd4+ Kf3 4.b4 Ne4 5.Nd2+ Kf2 6.Nxe4+ Ke3 7.b5 Kxd4 8.b6
fxe4 9.b7 e3 10.b8Q
  +-  (14.18)   Depth: 15   00:02:45  47584kN, tb=2264
1.Re3 Nxe3 2.Nd2 N5g4 3.Nd3#
  +-  (#3)   Depth: 15   00:04:43  79612kN, tb=5664
1.Re3 Nxe3 2.Nd2 N5g4 3.Nd3#
  +-  (#3)   Depth: 16   00:05:11  88652kN, tb=5812

(Byrne, Secane, PA USA 15.05.2003)

Re: Tiger 4:43 to see mate in 3 on 1.7 Ghz John Merlino 16:55:53 05/15/03
- you're forcing the wrong moves Mike Byrne 17:07:23 05/15/03
  - Re: I think we're all confused by this position! John Merlino 18:44:44 05/15/03
    - I agree --- let's start over .... Mike Byrne 19:44:16 05/15/03
      - Re: I agree --- let's start over .... John Merlino 10:27:33 05/16/03
      - Re: I agree --- let's start over ....Thanks Mike ...and John too...! Art Basham 06:24:20 05/16/03

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