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Subject: Re: Mate in 14

Author: Timothy J. Frohlick

Date: 18:58:36 07/04/02

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Hiarcs 8 - AMD 1400 Mhz 192 MB hash
1r3k1r/6pp/p3Qp2/P7/q1P5/8/1n4PP/1R3R1K w - - 0 1

Analysis by Hiarcs 8:

1.Qxa6
  ³  (-0.50)   Depth: 1   00:00:00
1.Rf2 Qa3 2.Qxa6
  µ  (-0.73)   Depth: 3/16   00:00:00
1.Rf2 Qa3 2.Qxa6
  µ  (-0.73)   Depth: 3/16   00:00:00
1.Rf2 Qa3 2.Qxa6
  µ  (-0.73)   Depth: 3/16   00:00:00
1.Rf2 Qa2
  µ  (-1.06)   Depth: 3/16   00:00:00
1.Rf2 Qa2 2.Qf5
  -+  (-1.46)   Depth: 3/16   00:00:00
1.Qxa6 Kf7 2.Qa7+ Kg6
  µ  (-1.23)   Depth: 3/16   00:00:00
1.Qd6+ Kf7
  ³  (-0.42)   Depth: 3/16   00:00:00
1.Qd6+ Kf7
  ³  (-0.42)   Depth: 3/16   00:00:00
1.Qd6+ Kf7 2.Qc7+ Kg6
  ³  (-0.44)   Depth: 4/18   00:00:00
1.Rfe1 h6
  =  (-0.17)   Depth: 4/18   00:00:00
1.Rfe1 h6
  =  (-0.17)   Depth: 4/18   00:00:00
1.Rfe1 Qb4 2.Rxb2 Qxb2 3.Qe7+ Kg8 4.Qe6+ Kf8
  =  (0.00)   Depth: 5/22   00:00:00  37kN
1.Rxf6+ gxf6
  ²  (0.36)   Depth: 5/23   00:00:00  59kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Qe5+ Kd8 6.Qxb8+ Kd7 7.Qxh8
Nxc4 8.Qxh7+ Kc6
  +-  (4.74)   Depth: 5/23   00:00:00  77kN
1.Rxf6+ gxf6
  +-  (4.99)   Depth: 6/27   00:00:00  121kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+
  +-  (5.00)   Depth: 6/29   00:00:01  167kN
1.Rxf6+ gxf6
  +-  (5.27)   Depth: 7/30   00:00:01  320kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Qe5+ Kd8 6.Qxh8+ Qe8 7.Rf8
  +-  (5.34)   Depth: 7/31   00:00:02  629kN
1.Rxf6+ gxf6
  +-  (5.59)   Depth: 8/32   00:00:05  1300kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Qe5+ Kd8 6.Qxb8+ Kd7 7.Qxb2
Qxc4 8.Rd1+ Ke6 9.Qxh8
  +-  (8.08)   Depth: 8/36   00:00:09  2421kN
1.Rxf6+ gxf6
  +-  (8.34)   Depth: 9/36   00:00:16  4170kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Qe5+ Kd8 6.Qxb8+ Kd7 7.Qa7+ Kd8
8.Qd4+ Qd7 9.Qxh8+ Kc7 10.Qxb2 Qe6
  +-  (9.31)   Depth: 9/36   00:00:25  6876kN
1.Rxf6+ gxf6
  +-  (9.56)   Depth: 10/38   00:00:56  14566kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Qe5+ Kd8 6.Qxb8+ Kd7 7.Qa7+ Kd8
8.Qd4+ Qd7 9.Qxh8+ Kc7 10.Qxb2 Qe6 11.Qd4
  +-  (9.58)   Depth: 10/39   00:01:27  23739kN
1.Rxf6+ gxf6
  +-  (9.83)   Depth: 11/39   00:02:38  42237kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Re1+ Kf8 6.Qf4+ Kg8 7.Qxb8+ Kf7
  +-  (#16)   Depth: 11/40   00:02:58  48459kN
1.Rxf6+ gxf6 2.Qxf6+ Kg8 3.Qg5+ Kf7 4.Rf1+ Ke8 5.Re1+ Kf8 6.Qf4+ Kg8 7.Qxb8+ Kf7
8.Qc7+ Kf8 9.Qe7+ Kg8 10.Rf1 Qe8 11.Qxe8+ Kg7 12.Qe5+ Kg6 13.Rf6+ Kg7 14.Qg5#
  +-  (#14)   Depth: 11/40   00:04:09  72451kN

(Frohlick, Albuquerque 04.07.2002)


On July 04, 2002 at 21:43:47, Art Basham wrote:

>Rxf6+ mates in 14...!
>
>[D]1r3k1r/6pp/p3Qp2/P7/q1P5/8/1n4PP/1R3R1K w - -
>
>This ending shows the power of a Queen and a Rook working together!



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