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Subject: Mate in 15 with Chest 3.6

Author: Ignacio Santos Crespo

Date: 04:47:22 06/08/04

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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

It´s mate in 15.

ChestUCI 3.6  UCI:

CPU: Athlon 1200
FEN: 8/pq2r1kp/2R3n1/1p1Q4/3P4/1P3pP1/P7/5K1R w - -
Search for 1. Special-Mate [C2/K6/P6/X26] in 62 ...  (Hash=64MB)
15   04:45  M15  Th1xh7+
Search completed ...  (Time=285.67s)
Mate in 15 found !  (1. Solution in 04:45)
15   04:45  M15  Th1xh7+ Rg7xh7 Dd5h5+ Rh7g8 Tc6xg6+ Te7g7 Tg6h6 Rg8f8 Th6h8+
Tg7g8 Dh5c5+ Db7e7 Th8xg8+ Rf8f7 Tg8g7+ Rf7xg7 Dc5xe7+ Rg7g6 De7e6+ Rg6g7 d4d5
f3f2 d5d6 b5b4 d6d7 a7a6 d7d8D a6a5 Dd8g8+

Ignacio



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