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Subject: Re: Black Wins this one..!

Author: Klaus Friedel

Date: 10:11:27 04/02/02

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On April 02, 2002 at 10:24:06, Art Basham wrote:

>Just found this one today...
>
>Black plays...Qh3..! and mates in about 10 moves..
>with only a rook and a knight left for the attack..!
>
>[D]1rq5/p3kp2/2Bp1p2/1P2p1r1/QP3n2/2P5/5PPP/R4RK1 b - -
>
>From the Aemis Test Suite...(100 diagrams)

Hagrid:

Winning move after 13 sec
Mate after 4:21 min

Analysis by Hagrid 0.6.35see:

1...Sf4-e2+ 2.Kg1-h1
  +-  (2.07)   Tiefe: 1/2   00:00:00
1...Sf4-h3+ 2.Kg1-h1
  +-  (2.06)   Tiefe: 1/2   00:00:00
1...Sf4-e2+ 2.Kg1-h1 Se2xc3 3.Da4xa7+
  +-  (2.52)   Tiefe: 2/4   00:00:00
1...Sf4-e2+ 2.Kg1-h1 a7-a6 3.Da4xa6 Se2xc3 4.Da6xc8 Tb8xc8
  +-  (2.64)   Tiefe: 3/6   00:00:00
1...Sf4-e2+ 2.Kg1-h1 a7-a6 3.Da4xa6 Se2xc3 4.Da6xc8 Tb8xc8
  +-  (2.64)   Tiefe: 4/8   00:00:00
1...Sf4-e2+ 2.Kg1-h1 a7-a6 3.Da4xa6 Se2xc3 4.Tf1-c1
  +-  (2.78)   Tiefe: 5/10   00:00:00
1...Sf4-e2+ 2.Kg1-h1 Se2xc3 3.Da4xa7+ Ke7-f8 4.Ta1-c1 Sc3-e2 5.Lc6-d7
  +-  (2.86)   Tiefe: 6/12   00:00:00  99kN
1...Sf4-e2+ 2.Kg1-h1 Se2xc3 3.Da4xa7+ Ke7-f8 4.Ta1-c1 Sc3-e2 5.Tc1-e1 Se2-f4
  +-  (2.79)   Tiefe: 7/14   00:00:00  189kN
1...Sf4-e2+ 2.Kg1-h1 Se2xc3 3.Da4xa7+ Ke7-f8 4.Ta1-c1 Sc3-e2 5.Lc6-d5 Dc8-e8
6.Ld5xf7 De8xb5
  +-  (3.22)   Tiefe: 8/20   00:00:02  1202kN
1...Dc8-h3 2.Da4xa7+ Ke7-f8 3.Da7xb8+ Kf8-g7 4.Tf1-d1 Tg5xg2+ 5.Kg1-f1 Tg2-g3+
6.Lc6-g2 Dh3xg2+ 7.Kf1-e1 Dg2-g1+ 8.Ke1-d2 Dg1xf2+ 9.Kd2-c1 Tg3xc3+
  +-  (1.49)   Tiefe: 9/20   00:00:13  6936kN
1...Dc8-h3 2.Da4xa7+ Ke7-f8 3.Da7xb8+ Kf8-g7 4.Tf1-d1 Tg5xg2+ 5.Kg1-f1 Tg2-g3+
6.Lc6-g2 Dh3xg2+ 7.Kf1-e1 Dg2-e4+ 8.Ke1-d2 De4-e2+ 9.Kd2-c1 Tg3xc3+ 10.Kc1-b1
De2xd1+
  -+  (-2.66)   Tiefe: 10/21   00:00:33  17843kN
1...Dc8-h3 2.Da4xa7+ Ke7-f8 3.Da7xb8+ Kf8-g7 4.Db8-g8+ Kg7xg8 5.Tf1-d1 Tg5xg2+
6.Kg1-f1 Tg2-g3+ 7.Lc6-g2 Dh3xg2+ 8.Kf1-e1
  -+  (-14.39)   Tiefe: 11/27   00:01:51  62453kN
1...Dc8-h3 2.g2-g3 Sf4-e2+ 3.Kg1-h1 Tg5-h5 4.Da4xa7+ Ke7-f8 5.Da7-e7+ Kf8xe7
6.Ta1-a7+ Ke7-d8 7.Ta7-d7+ Kd8-c8 8.Lc6-b7+ Kc8xd7 9.Lb7-c6+ Kd7-d8
  -+  (-301.65)   Tiefe: 12/31   00:04:21  147152kN






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