Author: Bruce Moreland
Date: 23:46:34 02/24/99
Go up one level in this thread
On February 25, 1999 at 02:29:11, Bernhard Bauer wrote:
>On February 24, 1999 at 09:28:15, Bernhard Bauer wrote:
>
>I forgot to mention that J. Awerbach says that the position is a draw if
>black is to move. Usually Awerbach's analysis is very good, but here he may
>be wrong. Crafty gives a score of -Mat45, so there may be no way to draw.
>The new compressed tablebases give at least for me new possibilities in
>analysis of end game positions.
>It would be nice if tbstat would also work for compressed files.
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/8/8/8/6Q/Kp3r/5k b - - 0 1"]
{
a b c d e f g h
+---+---+---+---+---+---+---+---+
8 | |///| |///| |///| |///| 8
+---+---+---+---+---+---+---+---+
7 |///| |///| |///| |///| | 7
+---+---+---+---+---+---+---+---+
6 | |///| |///| |///| |///| 6
+---+---+---+---+---+---+---+---+
5 |///| |///| |///| |///| | 5
+---+---+---+---+---+---+---+---+
4 | |///| |///| |///| |///| 4
+---+---+---+---+---+---+---+---+
3 |///| |///| |///| |/Q/| | 3
+---+---+---+---+---+---+---+---+
2 | K |/p/| |///| |/r/| |///| 2
+---+---+---+---+---+---+---+---+
1 |///| |///| |///| k |///| | 1
+---+---+---+---+---+---+---+---+
a b c d e f g h
}
1. ... Rg2 2. Qd3+ Kg1 3. Kb3 Rf2 { Re2 } 4. Qg6+ { Qg3+ } Kh1 5. Kc4 { Kb4,
Kc3 } Re2 6. Qb1+ { Qb6, Kd5, Kc3 } Kg2 7. Kd3 Kf2 8. Qh1 Re3+ 9. Kc4 Re2
{ Kg3 } 10. Kd4 Kg3 11. Qf1 Rf2 12. Qg1+ Kf3 13. Qh1+ Kg3 14. Ke3 Rf6 { Rf7 }
15. Qb7 { Qe1+ } Re6+ 16. Kd3 Rd6+ 17. Kc3 b1=N+ { b1=R, b1=Q, Rd7, Kf4 } 18.
Qxb1 Kf4 19. Qb8 { Qe1, Kc4 } Ke5 20. Kc4 Ke6 21. Qf8 Rd7 { Ke5 } 22. Qh6+
{ Qg8+ } Ke5 23. Qe3+ Kd6 { Kf6 } 24. Qe4 Rd8 { Rc7+, Rf7 } 25. Kd4 Rd7 26. Qf5
Ke7+ 27. Ke5 Rc7 { Ke8 } 28. Qe6+ { Qh7+, Qg5+ } Kd8 29. Qg8+ Ke7 { Kd7 } 30.
Qg7+ Kd8 31. Qf8+ Kd7 32. Kd5 Rb7 33. Qf7+ Kc8 34. Qe8+ Kc7 35. Kc5 Rb1 { Ra7 }
36. Qf7+ { Qe5+ } Kd8 37. Qg8+ Ke7 { Kd7 } 38. Qh7+ { Qg5+ } Kf6 { Ke6 } 39.
Qxb1 Ke5 { Kg5 } 40. Qc2 { Qd3, Qg6, Qh7, Qb4, Qd1, Qe1+, Qh1 } Kf4 { Kf6,
Ke6 } 41. Kd4 Kf3 { Kg4 } 42. Qe4+ { Qf5+ } Kf2 { Kg3 } 43. Qg4 Ke1 44. Qg2
{ Ke3 } Kd1 45. Kd3 Kc1 { Ke1 } 46. Qc2# 1-0
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