Author: Art Basham
Date: 08:59:45 05/21/03
Go up one level in this thread
thanks!On May 20, 2003 at 13:12:01, Dieter Buerssner wrote:
>On May 20, 2003 at 10:46:39, Art Basham wrote:
>
>>If it is so "easy" for computers to solve,
>>then why has no one posted that their program
>>announced mate in 10 at move one?
>>That is what i wanted to know...:-)
>
>
>Yace, P4, 2.53 GHz:
>
>[ nodes time score depth]
> 140286 0.144 4.06 5. 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Kg7 5. Qe7+ Kg6 6. Bf7+ Kg7 7. Bc4+ Kg6 8. Rxe2
> {420}
> 141337 0.146 4.46 6++ 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Be8 5. Qxe8+ Kg7 6. Qe7+ Kg6 7. Bf7+ Kg7 8.
> Bh5+ Kh8 9. Qxe5+ Kh7 {510}
> 149638 0.154 5.68 6++ 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Be8 5. Qxe8+ Kg7 6. Qxe5+ Kh7 7. Qf5+ Kh8 8.
> Qf6+ Kh7 9. Qe7+ Kg6 10. Qf7+ Kg5 {510}
> 150129 0.156 Mat11 6++ 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8H 4.
> Qxd8+H Kg7H 5. Qe7+H Kg6H 6. Qf7+H Kg5H 7.
> Qg7+H Kh5H 8. Bf7+H Kh4H 9. Qxh6+H Kg4H 10.
> Bh5+H Kh4H 11. Bxe2#H {500}
> 472518 0.377 Mat10 6t 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8H 4.
> Qxd8+H Kg7H 5. Qe7+H Kg6H 6. Bf7+H Kg7H 7.
> Bg8+H Kxg8H 8. Qh7+H Kxh7H 9. Rxe2H {HT}
> 492327 0.392 Mat10 6. 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Kg7 5. Qe7+ Kg6 6. Bf7+ Kg7 7. Bg8+ Kxg8 8.
> Qh7+ Kxh7 9. Rxe2
> 1391079 1.017 Mat10 7t 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Kg7 5. Qe7+ Kg6 6. Bf7+ Kg7 7. Be6+ Kg6 8. Qf7+
> Kg5H 9. Qf5+H Kh4H 10. Qg4#H {80}
> 1489296 1.089 Mat10 7. 1. Rxh6+ gxh6 2. Qf6+ Kh7 3. Qe7+ Kh8 4. Qxd8+
> Kg7 5. Qe7+ Kg6 6. Bf7+ Kg7 7. Be6+ Kg6 8. Qf7+
> Kg5 9. Qf5+ Kh4 10. Qg4# {80}
>
>Every move of white is with check. This can make it relatively easy for an
>engine, to find longer mates.
>
>Regards,
>Dieter
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