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Subject: Re: Testposition King Safety ( or maybe something else)

Author: Slater Wold

Date: 16:40:06 08/27/01

Go up one level in this thread


On August 27, 2001 at 19:19:13, Peter Berger wrote:

>Just came across this one:
>
>[D] 7r/Q2k1ppp/2b1p3/8/6q1/2B5/5PPP/2R3K1 b - - 0 1 am Ke8
>
>Here black has to play Kd6 and this should take not much time. Ke8 loses without
>any resistance.
>
>Very interesting differences between the engines . For example Fritz solves this
>in 0 seconds and Yace and many others will need several _minutes_. In general
>this one seems to be very tough for the amateurs . Shredder has a hard time,
>too.
>
>This is move 27 out of an ICC blitz game :
>
>[Event "ICS Match (Partie in 4 Minuten + 3 Sekunde(n) pro Zug)"]
>[Site "unbekannt"]
>[Date "2001.08.27"]
>[Round "1"]
>[White "Bringer1.9ß05"]
>[Black "Yace(C)"]
>[Result "1-0"]
>[WhiteElo "2812"]
>[BlackElo "2929"]
>
>1. d4  { 0.00 0:00:00.0 } d5  2. c4  { 0.00 0:00:00.0 } dxc4
>3. Nf3  { 0.00 0:00:00.0 } Nf6  4. e3  { 0.00 0:00:00.0 } e6
>5. Bxc4  { 0.00 0:00:00.0 } c5  6. O-O  { 0.00 0:00:00.0 } a6
>7. Qe2  { 0.00 0:00:00.0 } b5  8. Bb3  { 0.00 0:00:00.0 } Bb7
>9. a4  { 0.00 0:00:00.0 } Nbd7  10. axb5  { 0.00 0:00:00.0 } axb5
>11. Rxa8  { 0.00 0:00:00.0 } Qxa8  12. Nc3  { 0.00 0:00:00.0 }
>b4  13. Nb5  { 0.00 0:00:00.0 } Qb8  14. e4  { 0.00 0:00:00.0 }
>cxd4  15. Nbxd4  { 0.00 0:00:00.0 } Be7  16. Bg5  { 0.00 0:00:00.0 }
>Nxe4  17. Ba4  { 0.00 0:00:00.0 } Bd5  18. Bxd7+  { 0.00 0:00:00.0 }
>Kxd7  19. Ne5+  { 0.00 0:00:00.0 } Qxe5  20. Qb5+  { 0.00 0:00:00.0 }
>Kc7  21. Bxe7  { 0.00 0:00:00.0 } Qxd4  22. Rc1+  { 0.00 0:00:00.0 }
>Nc3  23. bxc3  { 0.00 0:00:00.0 } bxc3  24. Bb4  { 0.00 0:00:00.0 }
>Bc6  25. Qa5+  { 0.00 0:00:00.0 } Kd7  26. Bxc3  { 0.00 0:00:00.0 }
>Qg4  27. Qa7+  { 0.00/10 0:00:09.7 } Ke8  28. f3  { 3.62/11 0:01:09.8 (PB:
>0:01:09.7 ) }
>Bxf3  29. g3  { 4.11/10 0:00:01.7 } Qe4  30. Bxg7  { 4.43/10 0:00:13.7 (PB:
>0:00:13.6 ) }
>Qb7  31. Qa4+  { 4.49/11 0:00:11.3 } Ke7  32. Bxh8  { 4.55/11 0:00:12.8 }
>Bh1  33. Qc2  { 4.64/10 0:00:15.7 (PB: 0:00:02.2 ) } h5  34. Rb1  { 5.41/10
>0:00:07.2 }
>Qc6  35. Qf2  { 8.34/11 0:00:39.8 (PB: 0:00:39.6 ) } e5  36. Qa7+  { 9.08/11
>0:00:14.0 (PB: 0:00:13.8 ) }
>Qd7
>{Yace resigns}1-0

Takes no time for Deep Shredder to find this on my AMD 1.2Ghz:

[+0.21]  d=1   1...Ke8 2.f3 Bxf3 (0:00.00)
[-0.00]  d=1   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=2   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=3   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=4   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=5   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=6   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=7   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=8   1...Kd6 2.f3 (0:00.00)
[-0.00]  d=9   1...Kd6 2.f3 (0:00.00)
[+0.74]  d=10   1...Kd6 2.f3 Bxf3 3.Rc2 Bd5 4.Bb4+ Ke5 5.Bd6+ Kf6 6.Rf2+ Qf3
7.Rxf3+ (0:01.08)
[+0.60]  d=11   1...Kd6 2.f3 Bxf3 3.Qf2 Bxg2 4.Qxg2 Qxg2+ 5.Kxg2 e5 6.Bxe5+
(0:02.21)


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