Author: Dieter Buerssner
Date: 15:20:29 02/14/02
Go up one level in this thread
On February 12, 2002 at 19:44:50, Ignacio Santos Crespo wrote:
>Mate in 10
>
>How long does it take your program to find it?
It takes Yace on K6-2 475 very long - about 6 hours. Only because I trusted the
mate in 10, I did not lose patience.
> 2r3k1/1b3pq1/r3p1p1/1p1pP1Q1/1b1B4/pN1Bn1P1/2P2PKR/7R w - -
894976368 1:40:49 12.92 13. 1. Kf3 Nf1 2. Bxf1 f6 3. exf6 e5 4. fxg7 exd4
5. Rh8+ Kf7 6. R1h7 Rf6+ 7. Qxf6+ Kxf6 8. Rxc8
Bxc8 {410}
1206136369 2:18:03 13.32 14++ 1. Kf3 Nf1 2. Bxf1 f6 3. exf6 e5 4. fxg7 exd4
5. Qf4 Rc3+ 6. Kg2 Kxg7 7. Rh8 Rxg3+ 8. fxg3
Bc8 9. Rxc8 d3 {1601}
1415394881 2:43:21 14.32 14++ 1. Kf3 Nf1 2. Bxf1 f6 3. exf6 e5 4. fxg7 exd4
5. Qf4 Rc3+ 6. Kg2 Kxg7 7. Rh8 Rxg3+ 8. fxg3
Bc8 9. Rxc8 d3 {1601}
1636854509 3:06:24 16.43 14t 1. Kf3 Nf1 2. Bxf1 f6 3. exf6 e5 4. fxg7 Re6 5.
Bh3 Re7 6. Bxc8 Rf7+ 7. Kg2 exd4 8. Bxb7 Rxb7
9. Qxd5+ Rf7 10. Qxb5 {1571}
2031950169 3:39:26 16.44 14t+ 1. fxe3 Rac6 2. Na1 Be7 3. Qxe7 Rxc2+ 4. Nxc2
Rxc2+ 5. Bxc2 Qxe5
2101754023 3:46:12 19.32 14++ 1. fxe3 Rac6 2. Na1 Be7 3. Qxe7 Rxc2+ 4. Nxc2
a2 5. Qf6 Qh7 6. Rxh7 Rf8
4291017213 6:03:54 Mat10 14t 1. fxe3 Rac6 2. Na1 Rxc2+ 3. Bxc2 Rxc2+ 4. Nxc2
f6 5. exf6 Be7 6. fxe7 Kf7 7. Rh8 Qxh8 8. Rxh8
e5 9. e8=Q+ Kg7 10. Bxe5# {2682}
When looking at the solution times of a mate problem for a playing program, one
may also take into account, that the prog may not try hard to find the mate,
when already a big advantage is found earlier.
Regards,
Dieter
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