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Subject: Re: Mate in 16

Author: Jonas Cohonas

Date: 09:47:47 01/07/02

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Junior 7 Finds mate in 18

Fritz 7 - ,C
7k/5Pp1/6P1/8/8/RPr4K/2PPPPP1/8 w - - 0 1

Analysis by Junior 7:

1.dxc3
  =  (0.00)   Depth: 3   00:00:00
1.Kg4 Rc8
  +-  (5.79)   Depth: 3   00:00:00
1.Kg4!
  +-  (6.09)   Depth: 6   00:00:00  1kN
1.Kg4! Rc8 2.Kf5 Rf8 3.Ke6
  +-  (6.35)   Depth: 6   00:00:00  3kN
1.Kh2!
  +-  (6.36)   Depth: 6   00:00:00  4kN
1.Kh2 Rh3+ 2.Kg1 Rh1+ 3.Kxh1
  =  (0.00)   Depth: 9   00:00:00  9kN
1.Kg4!
  +-  (6.66)   Depth: 9   00:00:00  21kN
1.Kg4! Rg3+ 2.Kf5 Rg5+ 3.Kf4 Rf5+ 4.Kg3
  +-  (9.81)   Depth: 9   00:00:00  581kN
1.d3!
  +-  (9.82)   Depth: 9   00:00:00  637kN
1.d3! Rxd3+ 2.f3 Rxf3+ 3.Kh2 Rh3+ 4.Kg1 Rh1+ 5.Kf2 Rf1+ 6.Ke3 Rf3+ 7.Kd4 Rf4+
8.Kd3 Rxf7 9.gxf7 Kh7 10.f8Q
  +-  (11.51)   Depth: 9   00:00:00  665kN
1.e3!
  +-  (11.52)   Depth: 9   00:00:00  671kN
1.f3!
  +-  (11.53)   Depth: 9   00:00:00  690kN
1.f3 Rxf3+ 2.Kh2 Rh3+ 3.Kg1 Rh1+ 4.Kf2 Rf1+ 5.Kg3 Rf3+ 6.Kh4 Rf4+
  +-  (11.53)   Depth: 12   00:00:00  786kN
1.f3 Rxf3+
  +-  (11.23)   Depth: 15   00:00:02  2733kN
1.f3 Rxf3+
  +-  (10.93)   Depth: 18   00:00:12  16570kN
1.f3 Rxf3+ 2.Kh2 Rh3+ 3.Kg1 Rh1+ 4.Kf2 Rf1+ 5.Ke3 Rf3+ 6.Kd4 Rd3+ 7.Ke5 Re3+
8.Kf4 Re4+ 9.Kg3 Rg4+ 10.Kf2
  +-  (10.93)   Depth: 20   00:00:35  45174kN, tb=180
1.d3!
  +-  (11.23)   Depth: 20   00:00:54  67970kN, tb=212
1.d3! Rxd3+ 2.f3 Rxf3+ 3.Kh2 Rh3+ 4.Kg1 Rh1+ 5.Kf2 Rf1+ 6.Ke3 Rf3+ 7.Kd2 Rd3+
8.Kc1 Rd8 9.b4 Rd1+ 10.Kb2
  +-  (#18)   Depth: 20   00:00:55  69366kN, tb=212
1.d3! Rxd3+ 2.f3 Rxf3+ 3.Kh2 Rh3+ 4.Kg1 Rh1+ 5.Kf2 Rf1+ 6.Ke3 Rf3+ 7.Kd2 Rd3+
8.Kc1 Rd8 9.b4 Rd1+ 10.Kb2
  +-  (#18)   Depth: 20   00:00:55  69367kN, tb=212

(, 1.3 Ghz T-bird ,1.5 GB ram 07.01.2002)

Regards
Jonas



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