Author: Robert Hyatt
Date: 18:18:23 01/14/98
Go up one level in this thread
On January 14, 1998 at 16:53:06, Vincent Lejeune wrote:
>I've red a book chess problem, and find the following position :
>
>[Event "?"]
>[Site "?"]
>[Date "??.??.????"]
>[Round "?"]
>[White "W"]
>[Black "B"]
>[Result "*"]
>[WhiteElo "?"]
>[BlackElo "?"]
>[FEN "8/7p/6pP/k4pP1/b1p1pP2/KpPpP3/1P1P4/7Q w - - 0 1"]
>
>
>and the book say :
>
>If it's white to moves, black are in zugzwang because after :
>1.Qd1 B moves 2.Qxc3 cxb3 3.Kxd3 , the 2 passed pawn win for white !!!
>I don't understand everything in the position (and I don't blame who
>don't understand like me ;) ).
>
>I look for someone who can analyse this position with a strong chess
>program...
>
>Thanks in advance.
>
>Vincent
here's Crafty's analysis:
depth time score variation (1)
11-> 0.58 7.31 Qg2 Bc6 Qg3 Kb5 Qh4 Kc5 Qf2 Kb5 Qg3
Kc5 Qg2
12 0.63 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Kc5 Qf2 Kb5 Qg3
Kc5 Qg2 <HT>
12-> 0.71 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Kc5 Qf2 Kb5 Qg3
Kc5 Qg2 <HT>
13 0.77 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Bd5 Qh2
Bc6 Qh4 Kb5 Qf2 Kc5 <HT>
13-> 0.92 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Bd5 Qh2
Bc6 Qh4 Kb5 Qf2 Kc5 <HT>
14 0.97 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Bd5 Qh2
Bc6 Qh4 <HT>
14-> 4.59 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Bd5 Qh2
Bc6 Qh4 <HT>
15 5.40 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Kc5 Qh4 Bd5 Qg3 Bc6 Qf2 <HT>
15-> 5.48 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Kc5 Qh4 Bd5 Qg3 Bc6 Qf2 <HT>
16 6.07 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh4 Kb5 Qf2 Kc5 Qg2 Kd5
16-> 26.65 7.29 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh4 Kb5 Qf2 Kc5 Qg2 Kd5
17 27.16 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Kb5 Qg3 Kc5 Qh4 Bd5 Qf2 Kd6
17-> 28.09 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Kb5 Qg3 Kc5 Qh4 Bd5 Qf2 Kd6
18 31.43 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Kb5 Qh1 Kc5 Qg2 Bd5 Qg3 Kd6
18-> 34.79 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Kb5 Qh1 Kc5 Qg2 Bd5 Qg3 Kd6
19 36.22 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Bd5 Qg3 Ba8 Qf2 Bd5 Qg1 Kb5
Qf2 Kc5
19-> 1:00 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2
Ka5 Qh3 Bd5 Qg3 Ba8 Qf2 Bd5 Qg1 Kb5
Qf2 Kc5
certainly seems to be winning...
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