Author: Dieter Buerssner
Date: 14:00:08 08/25/03
Go up one level in this thread
On August 25, 2003 at 14:18:56, Mihaly Szalai wrote:
>I'm quite interested how does other engines fare on your power computers.
>2R3R1/7k/3K3p/7p/3p4/4p3/6P1/4q3 w - - 0 1
Not as fast as Knightdreamer, but still not bad. Yace on P4 2.53 GHz finds Ke6
immediately with slightly positive score, but needs a while, to get a winning
score:
196058 0.208 0.46 8t 1. Ke6 h4 2. Rgf8 Kg6 3. Rf6+ Kh5 4. Rg8 Qb1 5.
Rf5+ Qxf5+ 6. Kxf5 d3H 7. Ke4H {260}
239287 0.249 0.46 8. 1. Ke6 h4 2. Rgf8 Kg6 3. Rf6+ Kh5 4. Rg8 Qb1 5.
Rf5+ Qxf5+ 6. Kxf5 d3 7. Ke4 {260}
821651 0.882 0.47 9t 1. Ke6 h4 2. Rgd8 Kg6 3. Rd7 Kh5 4. Rg8 Qa5 5.
Rd5+ Qxd5+ 6. Kxd5 d3 7. Re8 d2 8. Re5+ Kg4H
{260}
1020920 1.065 0.47 9. 1. Ke6 h4 2. Rgd8 Kg6 3. Rd7 Kh5 4. Rg8 Qa5 5.
Rd5+ Qxd5+ 6. Kxd5 d3 7. Re8 d2 8. Re5+ Kg4
{260}
2574601 2.600 0.57 10t 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 d3 6. Kf6+ Kg8H 7. Kg6H Kf8H 8. Rf7+H
Ke8H {260}
3527175 3.546 0.57 10. 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 d3 6. Kf6+ Kg8 7. Kg6 Kf8 8. Rf7+ Ke8
{260}
6288305 6.209 0.74 11t 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 d3 6. Kf6+ Kg8 7. Kg6 Kf8 8. Kxh6 e2 9.
Rc8+ Ke7H {340}
7810495 7.670 0.74 11. 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 d3 6. Kf6+ Kg8 7. Kg6 Kf8 8. Kxh6 e2 9.
Rc8+ Ke7 {340}
17136532 17.558 0.34 12-- 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 e2 6. Kf6+ Kg8 7. Kg6 Kf8 8. Kxh6 e1=Q
9. Rg7 {-581}
29556077 31.011 0.32 12t 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7H
Qxf7+H 5. Kxf7H h5H {HT}
37202698 39.795 0.32 12. 1. Ke6 h4 2. Rgf8 Qg3 3. Rf7+ Qg7 4. Rcc7 Qxf7+
5. Kxf7 h5
40921127 45.850 0.72 13++ 1. Ke6 h4 2. Rgf8 Kg6 3. Rf7 h5 4. Rcc7 Qc3 5.
Rxc3 dxc3 6. Rf6+ Kg5 7. Rf1 e2 8. Rc1 Kf4 9.
Kf6 c2 10. Kg6 Kg4 11. Kf6 {260}
41034041 46.032 1.72 13++ 1. Ke6 h4 2. Rgf8 Kg6 3. Rf7 Kh5 4. Rg8 Qg3 5.
Rf5+ Qg5 6. Rgxg5+ hxg5 7. Re5 Kh6
71101665 1:19.2 2.48 13t 1. Ke6 h4 2. Rgf8 Qg3 3. Rh8+ Kg6 4. Rcg8+ Kh5
5. Rxg3 hxg3 6. Kf5 e2 7. Re8 d3H 8. Re3H Kh4H
9. Kg6H e1=QH 10. Rxe1H h5H {340}
81512841 1:29.8 2.48 13. 1. Ke6 h4 2. Rgf8 Qg3 3. Rh8+ Kg6 4. Rcg8+ Kh5
5. Rxg3 hxg3 6. Kf5 e2 7. Re8 d3 8. Re3 Kh4 9.
Kg6 e1=Q 10. Rxe1 h5 {340}
82089314 1:30.6 2.88 14++ 1. Ke6 h4 2. Rgf8 Qg3 3. Rh8+ Kg6 4. Rcg8+ Kh5
5. Rxg3 e2 6. Kf5 h3
83713232 1:33.0 3.88 14++ 1. Ke6 h4 2. Rgf8 Qf1 3. Rxf1 h5
107549768 1:59.2 5.44 14t 1. Ke6 h4 2. Rgf8 Kg6 3. Rf7 Kh5 4. Rg8 Qa5 5.
Rf5+ Qxf5+ 6. Kxf5 e2 7. Re8 h3 8. Rxe2 Kh4 9.
gxh3 h5 10. Ke4 d3 11. Kxd3 {HT} {500}
122669594 2:17.5 5.44 14. 1. Ke6 h4 2. Rgf8 Kg6 3. Rf7 Kh5 4. Rg8 Qa5 5.
Rf5+ Qxf5+ 6. Kxf5 e2 7. Re8 h3 8. Rxe2 Kh4 9.
gxh3 h5 10. Ke4 d3 11. Kxd3 {HT} {500}
With the help of a bit of backward analysis, it can show, that the position is a
mate in 22 (or faster):
436 0.401 Mat22 14. 1. Ke6 h4 2. Rgf8 Kg6 3. Rf6+ Kh5 4. Rg8 Qa5 5.
Rf5+ Qxf5+ 6. Kxf5 e2 7. Re8 h3 8. Rxe2 Kh4 9.
gxh3 d3 10. Re3 d2 11. Rd3 d1=Q 12. Rxd1 {EGTB}
12...Kg3! 13. Rd3+ Kf2! 14. Kf4! Ke2! 15. Rd4
h5 16. h4! Kf2! 17. Re4 Kg2! 18. Re2+! Kf1! 19.
Kf3! Kg1 20. Re3 Kh1 21. Kg3! Kg1 22. Re1#!
{500}
The PV after 2 min. above is (with one transposition) identical to this one for
17 plies.
Regards,
Dieter
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