Author: Mihaly Szalai
Date: 11:52:58 05/10/05
Go up one level in this thread
On May 10, 2005 at 14:46:01, Dieter Buerssner wrote:
>On May 10, 2005 at 12:00:10, Mihaly Szalai wrote:
>
>>2R3R1/7k/4K2p/8/3p3p/4p3/6P1/4q3 w - -
>>
>>1. Rgf8! Kg6 (1... Qg3 2. Rh8+ Kg6 3. Rcg8+ Kh5 4. Rxg3 hxg3 5. Kf5 e2 6. Re8 d3
>>7. Re3 d2 8. Rxg3 e1=Q 9. Rh3+ Qh4 10. g4#) (1... Qa5 2. Rf7+ Kg6 3. Rg8+ Kh5
>>4. Rf5+ Qxf5+ 5. Kxf5) 2. Rf6+ Kh5 3. Rg8 Qf2 4. Rf5+ Qxf5+ 5. Kxf5 e2 6. Re8 +-
>
>Yace on Centrino 1.7 GHz with 800 MB hash (the size probably won't matter much),
>no TBs but using bitbases, shows Rgf8 after 1 s with positive score. After 10 s
>the score is (almost) convincing. After 1 1/2 minutes it shows exactly your main
>line as PV.
>
> 740668 0.781 0.00 8t 1.Rh8+ Kg6 2.Rhg8+ Kh7 {-241}
> 1168853 1.061 0.01 8t+ 1.Rgf8 Kg6 2.Rf6+ Kh7 3.Rc7+ Kg8 4.Rff7 Qc3
> 5.Rxc3 e2 6.Rg7+ Kxg7 7.Rc7+ Kg8 8.Rc1 e1=BH
> {HT}
> 1202406 1.091 0.40 8++ 1.Rgf8 Kg6 2.Rf6+ Kh7 3.Rc7+ Kg8 4.Rff7 Qc3
> 5.Rxc3 e2 6.Kf6 e1=R 7.Rg7+ Kh8 {340}
> 1604477 1.352 0.57 8t 1.Rgf8 Qg3 2.Rf7+ Qg7 3.Rcc7 Qxf7+ 4.Kxf7 d3
> 5.Kf6+ Kg8H 6.Kg6H Kf8H 7.Rf7+H Ke8H {260}
> 1628378 1.362 0.57 8. 1.Rgf8 Qg3 2.Rf7+ Qg7 3.Rcc7 Qxf7+ 4.Kxf7 d3
> 5.Kf6+ Kg8 6.Kg6 Kf8 7.Rf7+ Ke8 {260}
> 2449477 1.883 0.17 9-- 1.Rgf8 Qg3 2.Rf7+ Qg7 3.Rcc7 Qxf7+ 4.Kxf7 e2
> 5.Kf6+ Kg8 6.Rc8+ Kh7 7.Rc1 d3 8.Rc8 e1=Q 9.Rg8
> {-661}
> 2596185 1.993 0.17 9t 1.Rgf8 Qg3 2.Rh8+H Kg6H 3.Rhg8+H Kh7H 4.Rxg3H
> hxg3H 5.Kf6H d3H 6.Rc7+H Kg8H 7.Kg6H Kf8H
> 8.Rf7+H Ke8H {260}
> 4994085 3.665 0.17 9. 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rhg8+ Kh7 4.Rxg3 hxg3
> 5.Kf6 d3 6.Rc7+ Kg8 7.Kg6 Kf8 8.Rf7+ Ke8 {260}
> 5357454 3.905 0.57 10++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rxf2 exf2
> 5.Rf8 f1=Q 6.Rxf1 h3
> 5475932 3.986 1.57 10++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rxf2 exf2
> 5.Rf8 Kg6
> 15829061 10.755 2.53 10t 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rcg8+ Kh5 4.Rxg3 hxg3
> 5.Kf5 e2 6.Re8 d3 7.Re3 Kh4 8.Kg6 e1=QH 9.Rxe1H
> {340}
> 21071597 14.160 2.53 10. 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rcg8+ Kh5 4.Rxg3 hxg3
> 5.Kf5 e2 6.Re8 d3 7.Re3 Kh4 8.Kg6 e1=Q 9.Rxe1
> {340}
> 23455761 15.612 2.48 11t 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rcg8+ Kh5 4.Rxg3 hxg3
> 5.Kf5 e2 6.Re8 d3 7.Re3 Kh4 8.Kg6 e1=Q 9.Rxe1
> h5 {340}
> 39762399 25.957 2.48 11. 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rcg8+ Kh5 4.Rxg3 hxg3
> 5.Kf5 e2 6.Re8 d3 7.Re3 Kh4 8.Kg6 e1=Q 9.Rxe1
> h5 {340}
> 40359617 26.358 2.88 12++ 1.Rgf8 Qg3 2.Rh8+ Kg6 3.Rcg8+ Kh5 4.Rxg3 hxg3
> 5.Kf5 e2 6.Re8 Kh4
> 40524388 26.478 3.88 12++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf1 4.Rxf1 e2
> 5.Rgf8 d3 6.g4+ hxg3 7.Rh1+ Kg4 8.Rd8 d2 9.Rxd2
> g2 10.Rb1 e1=N {500}
> 73875409 47.829 4.05 12t 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qg3 4.Rxg3 hxg3
> 5.Rf5+ Kg6 6.Re5 h5 7.Kd5 h4 8.Kxd4 h3 9.Rxe3
> {420}
> 90186994 58.454 4.05 12. 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qg3 4.Rxg3 hxg3
> 5.Rf5+ Kg6 6.Re5 h5 7.Kd5 h4 8.Kxd4 h3 9.Rxe3
> {420}
> 90890038 58.935 4.45 13++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 h3 4.Rf5+ Kh4
> 5.Rf4+ Kh5 6.g3 Qxg3 7.Rxg3 h2 8.Rh3+ Kg6
> 91071876 59.055 5.45 13++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 h3 4.Rf5+ Kh4
> 5.Rf4+ Kh5 6.g3 Qxg3 7.Rxg3 d3
> 148730974 1:37.1 5.53 13t 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.gxh3 Kg3 9.Ke4
> h5 10.h4 d3 {420}
> 168119583 1:49.8 5.53 13. 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.gxh3 Kg3 9.Ke4
> h5 10.h4 d3 {420}
> 301353527 3:18.9 5.55 14t 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.Kf4 Kh5 9.gxh3
> Kg6H 10.Ke5H d3H 11.Re3H d2H 12.Rd3H h5H
> 13.Rxd2H {500}
> 401973208 4:27.0 5.55 14. 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.Kf4 Kh5 9.gxh3
> Kg6 10.Ke5 d3 11.Re3 d2 12.Rd3 h5 13.Rxd2 {500}
> 408905626 4:32.4 5.95 15++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 h3 4.Rf5+ Kh4
> 5.Rf4+ Kh5 6.g3 Qxg3 7.Rxg3 h2 8.Rh3+ Kg5
> 9.Rxd4 e2 10.Re4 e1=Q 11.Rxe1 h1=B
> 698800103 8:05.3 6.54 15t 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.Re4+ Kg3 9.gxh3
> Kh2H 10.Rxd4H Kg3H {HT}
> 816297275 9:29.6 6.54 15. 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.Re4+ Kg3 9.gxh3
> Kh2 10.Rxd4 Kg3
> 831353981 9:40.8 6.94 16++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 h3 4.Rf5+ Kh4
> 5.Rf4+ Kh5 6.g3 Qxg3 7.Rxg3 h2 8.Rh3+ Kg6
> 833048746 9:42.2 7.94 16++ 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 h3 4.Rf5+ Kh4
> 5.Rf4+ Kh5 6.g3 Qxg3 7.Rxg3 h2 8.Rh3+ Kg6
>1754713408 20:48.0 10.00 16t 1.Rgf8 Kg6 2.Rf6+ Kh5 3.Rg8 Qf2 4.Rf5+ Qxf5+
> 5.Kxf5 e2 6.Re8 h3 7.Rxe2 Kh4 8.gxh3 d3 9.Rd2
> Kg3 10.Rxd3+ Kg2 11.Kg6 Kf2H 12.Kxh6H Kg1H {HT}
> {580}
>Regards,
>Dieter
Thank you, Dieter!
Yace is the best engine in endgames, obviously you have some secret others
don't know about...
Best
Mihaly
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