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Subject: Re: Chess Classics: Steinitz-Zukertort ; S8 mate in 18, 13 min

Author: Vincent Lejeune

Date: 06:34:55 06/08/04

Go up one level in this thread


On June 08, 2004 at 03:12:40, Daniel Jackson wrote:

>The game ended with 1.Rxh7+ Kxh7 2.Qh5+ Kg8 3.Rxg6+ Rg7 4.Rh6 Kf8 5.Rh8+ Ke7
>6.Qe5+ Kf7 7.Qe8+ Kf6 8.Rh6+ Kf5 9.Qe5+ Kg4 10.Qf4 Mate.
>
>[D]8/pq2r1kp/2R3n1/1p1Q4/3P4/1P3pP1/P7/5K1R w - - 0 1
>
>However, Zukertort could have prolonged the game 7 more moves had he played
>5...Rg8.
>
>Can your engine find the Mate in 17?
>
>Beware, this is a tough mate to find.
>
>Daniel

Centrino 1.7 Ghz, 128 Mb hash

Analysis by Shredder 8:
1.Th5 a6 2.Tf5 Rh8 3.Txf3 Te8 4.Tf7 Db8
  +-  (4.33)   Profondeur: 8/23   00:00:00  96kN
1.Th5 a6 2.Tf5 Rh8 3.Txf3 Tf7 4.Txf7 Dxc6
  +-  (4.58)   Profondeur: 9/26   00:00:00  180kN
1.Th5 b4 2.Tf5 Rh8 3.Dd8+ Rg7 4.Dc8 Dxc8 5.Txc8 Tf7 6.Txf7+ Rxf7 7.Tc7+ Re6
8.Rf2 Rd5 9.Rxf3 Rxd4 10.Txa7
  +-  (4.65)   Profondeur: 9/26   00:00:00  306kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Txg3 5.Th8+ Rg7 6.Th7+ Rg8 7.Txb7 Tg1+
8.Rxg1
  +-  (4.66)   Profondeur: 9/26   00:00:00  324kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Dd7 5.Th8#
  +-  (5.01)   Profondeur: 9/26   00:00:00  326kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re6 10.De5+ Rd7 11.Th7+ Tg7 12.Dxg7+ Re6 13.Dxb7 Rf5
  +-  (13.66)   Profondeur: 9/30   00:00:01  431kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re6 10.De5+ Rd7 11.Th7+ Tg7 12.Dxg7+ Re6 13.Dxb7 Rf5
  +-  (13.41)   Profondeur: 10/30   00:00:01  504kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Txg3 5.Th8+ Rg7 6.Th7+ Rf6 7.Txb7 Tg2
  +-  (13.41)   Profondeur: 10/30   00:00:01  537kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Txg3 5.Th8+ Rg7 6.Th7+ Rf6 7.Txb7 Tg7
8.De5+ Rg6 9.Dxg7+ Rh5
  +-  (13.66)   Profondeur: 11/34   00:00:01  693kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf7
8.Th7+ Rg6 9.Txb7 Rh6
  +-  (14.16)   Profondeur: 11/34   00:00:02  1000kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Re1 Txh8 10.Df4+ Re6 11.De5+ Rd7
  +-  (14.16)   Profondeur: 11/34   00:00:03  1280kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Rg7 10.Dh6+ Rf7 11.Th7+ Re8 12.Txb7 Rd8 13.Tb8+ Rc7 14.Txg8
  +-  (14.22)   Profondeur: 12/36   00:00:04  1924kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re7 10.Th7+ Re8 11.Txb7 Txg3 12.Dxg3 Rd8
  +-  (14.47)   Profondeur: 13/38   00:00:06  2549kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re7 10.Th7+ Re8 11.Txb7 Tg7 12.Txg7
  +-  (14.97)   Profondeur: 13/38   00:00:06  2674kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re6 10.Th6+ Rd7 11.Df7+ Rc8 12.Dxg8+ Rc7 13.Dg7+ Rb8 14.Th8+
Dc8 15.De5+
  +-  (15.22)   Profondeur: 13/38   00:00:08  3850kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re6 10.Txg8 Rd7 11.Tg7+ Re6 12.Txb7
  +-  (15.47)   Profondeur: 14/40   00:00:10  4427kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ Rf7 9.Df4+ Re6 10.Txg8 Dg7 11.Txg7 Rd5
  +-  (15.97)   Profondeur: 14/40   00:00:10  4482kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.Dc5 b4 13.Dxb4 Rh7 14.a4 Rg6
  +-  (17.54)   Profondeur: 14/40   00:00:17  7795kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.Dc5 b4 13.Dxb4 Rh7 14.a4
  +-  (17.79)   Profondeur: 15/42   00:00:32  14611kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.Dc5 b4 13.Dxb4 Rh7 14.a4
  +-  (18.29)   Profondeur: 15/42   00:00:34  15408kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.a4 bxa4 13.bxa4 Rf8 14.a5
  +-  (20.85)   Profondeur: 15/42   00:00:52  23141kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8
  +-  (21.10)   Profondeur: 16/44   00:01:09  31723kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8
  +-  (21.60)   Profondeur: 16/44   00:01:11  32673kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8
  +-  (#150)   Profondeur: 16/44   00:01:19  36743kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 Rg8 14.d6 Rh8
15.a4
  +-  (#150)   Profondeur: 17/42   00:01:19  36871kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 Rg8 14.d6 b4
15.a4
  +-  (#150)   Profondeur: 18/48   00:01:20  37239kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 b4 14.Da7 f2
15.Rxf2
  +-  (#150)   Profondeur: 19/46   00:01:21  37744kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 b4 14.Da7 f2
15.Rxf2
  +-  (#150)   Profondeur: 20/48   00:01:25  39824kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 b4 14.Da7 f2
15.Rxf2
  +-  (#150)   Profondeur: 21/42   00:01:27  40721kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 b4 14.Da7 f2
15.Rxf2
  +-  (#150)   Profondeur: 22/44   00:01:30  41902kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ Rg7 7.De5+ Rf8
8.Dd6+ De7 9.Txg8+ Rxg8 10.Dxe7 Rh8 11.Dxa7 Rg8 12.De7 Rh8 13.d5 b4 14.Da7 f2
15.Rxf2
  +-  (#150)   Profondeur: 23/46   00:01:36  44253kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ De7 7.Txg8+ Rf7
8.Tg7+ Rxg7 9.Dxe7+ Rg6 10.d5 b4 11.d6 Rf5 12.Dxa7 f2 13.Rxf2 Re4 14.d7 Rd3
15.d8D+
  +-  (#150)   Profondeur: 24/61   00:12:03  482026kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ De7 7.Txg8+ Rf7
8.Tg7+ Rxg7 9.Dxe7+ Rg6 10.d5 Rf5 11.Dxa7 Re5 12.Dc5 b4 13.d6+ Re6 14.Dd4 Rd7
15.Db6
  +-  (#150)   Profondeur: 25/56   00:12:16  487966kN
1.Txh7+ Rxh7 2.Dh5+ Rg8 3.Txg6+ Tg7 4.Th6 Rf8 5.Th8+ Tg8 6.Dc5+ De7 7.Txg8+ Rf7
8.Tg7+ Rxg7 9.Dxe7+ Rg6 10.d5 Rh6 11.Dxa7 f2 12.Dxf2 b4 13.Df6+ Rh7 14.d6 Rg8
15.a4
  +-  (#18)   Profondeur: 26/65   00:13:55  546203kN
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