Author: Dieter Buerssner
Date: 10:56:12 04/17/03
Go up one level in this thread
On April 17, 2003 at 13:02:01, Drexel,Michael wrote:
> 8/8/8/8/8/3Q4/pp1KPPP1/k6n w - - 0 1
>
>White to move and mate in 21
I disagree with the subject :-) Yace Paderborn, P4 2.53 GHz, 300 MB hash:
[nodes time score depth]
112093397 1:55.5 7.54 18. 1. Qd4 Kb1 2. Qe4+ Ka1 3. Qe5 Kb1 4. Qf5+ Ka1
5. Qf6 Kb1 6. Qg6+ Ka1 7. Qg7 Ng3 8. fxg3 Kb1
9. Qg6+ Ka1 10. Qg7 Kb1 11. Qg6+ Ka1 12. Qg7
{1081}
113036366 1:56.3 8.28 19++ 1. Qd4 Kb1 2. Qe4+ Ka1 3. Qe5 Kb1 4. Qf5+ Ka1
5. Qf6 Kb1 6. Qg6+ Ka1H 7. Qg7H Ng3H 8. fxg3H
Kb1H 9. Qg6+H Ka1H 10. Qg7H Kb1H 11. Qg6+H Ka1H
12. Qg7HR {1081}
113036610 1:56.3 Mat21 19++ 1. Qd4 Kb1 2. Qe4+ Ka1H 3. Qe5H Kb1H 4. Qf5+H
Ka1H 5. Qf6H Kb1H 6. Qg6+H Ka1H 7. Qg7H Kb1H 8.
Qh7+H Ka1H 9. Qh8H Nxf2H 10. Kc2H Nd1H 11. Kb3H
Kb1H 12. Qh7+H Ka1H 13. Qg7H Kb1H 14. Qg6+H
Ka1H 15. Qf6H Kb1H 16. Qf5+H Ka1H 17. Qe5H Kb1H
18. Qe4+H Ka1H 19. Qd4H Nc3H 20. Qxc3H {HT}
{1001}
388090526 5:45.3 Mat21 19t 1. Qd4 Kb1 2. Qe4+ Ka1 3. Qe5 Kb1 4. Qf5+ Ka1
5. Qf6 Kb1 6. Qg6+ Ka1 7. Qg7 Kb1 8. Qh7+ Ka1
9. Qh8 Nxf2 10. Kc2 Nd1 11. Kb3 Kb1 12. Qh7+
Ka1 13. Qg7 Kb1 14. Qg6+ Ka1 15. Qf6 Kb1 16.
Qf5+ Ka1H 17. Qe5H {HT} {661}
414124889 6:13.5 Mat21 19. 1. Qd4 Kb1 2. Qe4+ Ka1 3. Qe5 Kb1 4. Qf5+ Ka1
5. Qf6 Kb1 6. Qg6+ Ka1 7. Qg7 Kb1 8. Qh7+ Ka1
9. Qh8 Nxf2 10. Kc2 Nd1 11. Kb3 Kb1 12. Qh7+
Ka1 13. Qg7 Kb1 14. Qg6+ Ka1 15. Qf6 Kb1 16.
Qf5+ Ka1 17. Qe5 {HT} {661}
Not the whole main line is shown, due to hash tables.
Regards,
Dieter
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