Author: Dieter Buerssner
Date: 17:00:31 03/01/01
Go up one level in this thread
On March 01, 2001 at 19:14:46, Sune Larsson wrote:
>On March 01, 2001 at 18:33:33, Dieter Buerssner wrote:
>
>>On March 01, 2001 at 17:42:57, Sune Larsson wrote:
>>
>>> 4B3/5K2/5P1b/2p5/2p5/1k6/8/8 w - - 0 1
>>>
>>> A. Selesniew, 1921
>>
>>[...]
>>
>>> Test: White to move and draw. Not many choices - the black pawns
>>> are on the run.
>>
>>I think, Yace finds the correct move, but has no understanding at all of the
>>position:
>
> Yes, 1.Kg6! is the correct move. And the variation after 1.-c3 is drawn.
> But there are other tricky things after 1.-Bf4. Around and around we go...
Yace likes 1...Bf4 much better than 1...c3 (from white's point of view). Again
running in the background:
801464 7.199 -0.67 11t 2.Bf7 Kb4 3.Bd5 c3 4.Be4 Kb3 5.Kf5 Bb8 6.f7 Bd6
7.Ke6 Bf8 {-80}
1190096 10.456 -0.67 11. 2.Bf7 Kb4 3.Bd5 c3 4.Be4 Kb3 5.Kf5 Bb8 6.f7 Bd6
7.Ke6 Bf8 {-80}
1491780 13.406 -0.70 12t 2.Bf7 Kb4 3.Bd5 c3 4.Be4 Kb3 5.Kf5 Bh6 6.Kg6
Bf8 7.Bd5+ c4 {-80}
2397231 22.229 -0.70 12. 2.Bf7 Kb4 3.Bd5 c3 4.Be4 Kb3 5.Kf5 Bh6 6.Kg6
Bf8 7.Bd5+ c4 {-80}
3811533 34.959 -0.31 13t 2.Bf7 Be5 3.Be6 Kb4 4.Kf5 Bb2 5.Kg6 Bxf6 6.Kxf6
c3H 7.Bf5H Kc4H {190}
4484820 41.389 -0.31 13. 2.Bf7 Be5 3.Be6 Kb4 4.Kf5 Bb2 5.Kg6 Bxf6 6.Kxf6
c3 7.Bf5 Kc4 {190}
5548648 49.485 -0.31 14t 2.Bf7 Be5 3.Be6 Kb4 4.f7 Bd6 5.Bg4 c3 6.Bd1 Kb5
7.Kg7 Ka5 8.f8=Q Bxf8+ 9.Kxf8 {190}
7037970 1:02.0 -0.31 14. 2.Bf7 Be5 3.Be6 Kb4 4.f7 Bd6 5.Bg4 c3 6.Bd1 Kb5
7.Kg7 Ka5 8.f8=Q Bxf8+ 9.Kxf8 {190}
11008667 1:28.1 -0.54 15t 2.Bf7 Be5 3.Be6 Kb4 4.Kf5 Bd4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 c3 8.Kd3 Bg7 9.Bf5 Bf8 {-80}
18683313 2:43.9 -0.54 15. 2.Bf7 Be5 3.Be6 Kb4 4.Kf5 Bd4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 c3 8.Kd3 Bg7 9.Bf5 Bf8 {-80}
26327681 3:41.0 -0.48 16t 2.Bf7 Bg3 3.Kf5 Bh4 4.Be6 Kb4 5.f7 Be7 6.Ke4
Kb3 7.Ke3 Kc3 8.Ke4 Bf8 9.Bg4 Kb3 10.Be6 Kc3H
{HT}
42364178 6:08.5 -0.48 16. 2.Bf7 Bg3 3.Kf5 Bh4 4.Be6 Kb4 5.f7 Be7 6.Ke4
Kb3 7.Ke3 Kc3 8.Ke4 Bf8 9.Bg4 Kb3 10.Be6 Kc3
66774829 9:06.8 -0.50 17t 2.Bf7 Be5 3.Kf5 Bd4 4.Be6 Kb4 5.f7 Bg7H 6.Ke4H
Bf8H 7.Ke3H Bh6+H 8.Ke4H c3H 9.Kd3H Ka4H {HT}
{-80}
102534773 14:58.1 -0.50 17. 2.Bf7 Be5 3.Kf5 Bd4 4.Be6 Kb4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 Bh6+ 8.Ke4 c3 9.Kd3 Ka4 {HT} {-80}
125300792 18:10.9 -0.50 18t 2.Bf7 Be5 3.Kf5 Bd4 4.Be6 Kb4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 Bh6+ 8.Ke4 Kb3 9.Ke5 Bg7+ 10.Kf5 Bf8
11.Kf4 {-80}
195078789 29:51.7 -0.50 18. 2.Bf7 Be5 3.Kf5 Bd4 4.Be6 Kb4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 Bh6+ 8.Ke4 Kb3 9.Ke5 Bg7+ 10.Kf5 Bf8
11.Kf4 {-80}
245257722 36:58.3 -0.50 19t 2.Bf7 Be5 3.Kf5 Bd4 4.Be6 Kb4 5.f7 Bg7 6.Ke4
Bf8 7.Ke3 Bh6+ 8.Ke4 Kb3 9.Ke5 Bg7+ 10.Kf5 Bf8
11.Ke5 Kc3 {-80}
Is this the correct idea?
-- Dieter
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