Author: Pete Galati
Date: 18:15:23 03/13/00
Go up one level in this thread
On March 13, 2000 at 20:50:35, Dann Corbit wrote:
>On March 13, 2000 at 19:57:06, Pete Galati wrote:
>[snip]
>>[-]r1bqr3/pp1n1ppk/3bp3/6N1/3p4/2P5/PP3PPP/R1BQR1K1 b - -
>
>This is actually a *very* interesting test position.
>
>Kg8 seems to score very well initially, but rapidly drops in value.
>By ply 11, Kg6 goes nuts with a fail high.
>
>I wonder if any programs can see Kg6 before ply 11 because of extensions or
>whatever.
>
>Indeed, a clever test position.
I have not tried to run it past Crafty yet, but with all the time I let Phalanx
look at it (the curse of the slow computer) it never got near 11, and K-Kt3 was
nowhere on it's mind.
setting position
rnbqkbnr/pppppppp/////PPPPPPPP/RNBQKBNR/w
+---+---+---+---+---+---+---+---+
| *R| | *B| *Q| *R| | | |
+---+---+---+---+---+---+---+---+
| *P| *P| | *N| | *P| *P| *K|
+---+---+---+---+---+---+---+---+
| | | | *B| *P| | | |
+---+---+---+---+---+---+---+---+
| | | | | | | N | |
+---+---+---+---+---+---+---+---+
| | | | *P| | | | |
+---+---+---+---+---+---+---+---+
| | | P | | | | | |
+---+---+---+---+---+---+---+---+
| P | P | | | | P | P | P |
+---+---+---+---+---+---+---+---+
| R | | B | Q | R | | K | |
+---+---+---+---+---+---+---+---+ Black to move
3 204 11 888 Kh7-g8 Qd1xd4 Qd8-e7
3 -> 0:00.16 1050 0 turns
4 175 33 3556 Kh7-g8 Qd1xd4 Nd7-e5 Bc1-f4
4 -> 0:00.44 4259 0 turns
5 196 154 16943 Kh7-g8 Qd1-h5 Qd8-f6 Qh5-h7 Kg8-f8 Qh7-h5
5 -> 0:01.70 17755 0 turns
6 154 401 39634 Kh7-g8 Qd1-h5 Qd8-f6 Qh5-h7 Kg8-f8 Qh7-h5
Kf8-e7 Pc3xd4
6 -> 0:05.16 50327 0 turns
7 165 1148 129794 Kh7-g8 Qd1-h5 Qd8-f6 Qh5-h7 Kg8-f8 Ng5-e4
Qf6-e5 Pf2-f4
7 -> 0:12.80 146215 0 turns
8 165 2191 249234 Kh7-g8 ??
8 61 3746 462962 Kh7-g8 Qd1-h5 Qd8-f6 Qh5-h7 Kg8-f8 Ng5-e4
Qf6-e5 Pf2-f4 Qe5-d5 Ne4xd6 Qd5xd6 Qh7-h8
Kf8-e7 Qh8xg7
8 -> 2:32.03 1684465 0 turns
9 59 20092 2290700 Kh7-g8 Qd1-h5 Qd8-f6 Qh5-h7 Kg8-f8 Ng5-e4
Qf6-e5 Pc3xd4 Qe5-a5 Bc1-g5
9 63 105891 11390294 Kh7-g6 Re1-e4 Pd4xc3
9 -> 17:41.38 11420666 1 turn
10 -> 58:40.28 38575472 0 turns
Depth=10, Value=63, Time=3520.28, Last turn=1058.91, Nodes=38575472, N/s=10958
PV = Kh7-g6 Re1-e4 Pd4xc3
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