Author: Dieter Buerssner
Date: 10:12:01 05/20/03
Go up one level in this thread
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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