Author: Kurt Utzinger
Date: 02:18:58 03/23/03
Go up one level in this thread
On March 22, 2003 at 18:57:15, Jorge Pichard wrote:
>I was setting different positions found in the book { The Most Instructive Games
>of Chess Ever Played) by Irving Chernev. We all know that these 62 Masterpieces
>of Chess Strategy were played by Humans, but after testing different positions,
>I found out that most of them were solved by today's top programs. It is about
>time for somebody to collect at least 50 great games played by top computer
>programs and publish it. Anyway, here is an interesting
>position played by Smyslov vs Reshevsky Moscow 1948.
>
>How many programs besides Fritz 8 and Shredder 7 play the correct move 26.Qh4!
>Quoted by Chernev as a Clever play! The idea is to force an exchange which rid
>the board of Black's Queen, the only defender of the Queen Pawn. There is no way
>to save the pawn, since 26...Qd7 is answered by Qd8+, and if QxQ 27. PxQ and the
>d6 pawn is beyond help.
>
>
>[D]rn5k/1p2q1p1/pB1pp2p/4p3/4P1Q1/2P3P1/PP3P1P/3R2K1 w - - 0 1
Rebel 12 Beta2 does not find the solution within reasonable time:
Thinking....
+---+---+---+---+---+---+---+---+ Player - Rebel 12
8 | *R| *N| | | | | | *K|
+---+---+---+---+---+---+---+---+ 00:00:00 00:00:00
7 | | *p| | | *Q| | *p| |
+---+---+---+---+---+---+---+---+
6 | *p| B | | *p| *p| | | *p| Time unendlich
+---+---+---+---+---+---+---+---+ Hash 28 Mb
5 | | | | | *p| | | | Engine Beta 2
+---+---+---+---+---+---+---+---+ Personality beta2.eng
4 | | | | | p | | Q | | anti-GM Off
+---+---+---+---+---+---+---+---+ Tactics Off
3 | | | p | | | | p | | Bluff Chess Off
+---+---+---+---+---+---+---+---+ Style Normal
2 | p | p | | | | p | | p | Strength Strongest
+---+---+---+---+---+---+---+---+ Search Nullmove
1 | | | | R | | | K | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
rn5k/1p2q1p1/pB1pp2p/4p3/4P1Q1/2P3P1/PP3P1P/3R2K1 w - -
[Event "?"]
[Site "?"]
[Date "??.??.????"]
[Round "?"]
[White "Player"]
[Black "Rebel 12"]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "rn5k/1p2q1p1/pB1pp2p/4p3/4P1Q1/2P3P1/PP3P1P/3R2K1 w - - 0 1"]
1.*
00:00:00 1.00 -3.07 1.Txd6 Dxd6
00:00:00 1.01 0.91 1.Dg6
00:00:00 2.00 0.79 1.Dg6 Sd7
00:00:00 3.00 1.07 1.Dg6 Sd7 2.Le3
00:00:00 4.00 0.94 1.Dg6 Sd7 2.Le3 Sf6
00:00:00 5.00 0.69 1.Dg6 Sd7 2.Le3 Sf8 3.Dg4
00:00:00 5.02 0.70 1.f4 Sd7 2.Lc7 d5 3.Lxe5 Sxe5
00:00:00 5.03 0.75 1.f3 Sc6 2.Dg6 Tf8 3.Td3
00:00:00 5.05 0.94 1.b3 Kg8 2.Dg6 Kf8 3.f3
00:00:00 5.24 0.94 1.Df3
00:00:00 5.24 1.11 1.Df3 Sd7 2.Lc7 Df6 3.Dxf6 Sxf6
00:00:00 6.00 1.11 1.Df3 Sd7 2.Lc7 Df6 3.Dxf6 Sxf6 4.Lxd6
Sxe4 5.Lxe5 (0)
00:00:00 7.00 1.20 1.Df3 Sd7 2.Lc7 Tf8 3.Lxd6 Txf3 4.Lxe7
00:00:00 8.00 1.34 1.Df3 Sd7 2.Lc7 Tf8 3.Lxd6 Dxd6 4.Txd6
Txf3 5.Txd7 (0)
00:00:01 9.00 1.37 1.Df3 Sd7 2.Lc7 Tf8 3.Lxd6 Dxd6 4.Txd6
Txf3 5.Txd7 b5 (0)
00:00:01 10.00 1.37 1.Df3 Sd7 2.Lc7 Tf8 3.Lxd6 Dxd6 4.Txd6
Txf3 5.Txd7 b5 (1)
00:00:02 11.00 1.18 1.Df3 Sd7 2.Lc7 Df6 3.De3 d5 4.Ld6 Tc8
5.exd5 exd5 (2)
00:00:04 12.00 1.37 1.Df3 Sd7 2.Lc7 Df6 3.De2 d5 4.exd5
exd5 5.Txd5 Dc6 6.Dd2 Tc8 7.Txd7 Txc7
8.Td8 (3)
00:00:07 13.00 1.34 1.Df3 Sd7 2.Lc7 Df6 3.Dg2 Sc5 4.Lxd6
Td8 (5)
00:00:17 14.00 1.37 1.Df3 Sd7 2.Lc7 Df6 3.Dxf6
00:00:44 15.00 1.36 1.Df3 Sc6 2.Dd3 d5 3.exd5 exd5 4.Dxd5
Tc8 (29)
00:02:12 16.00 1.31 1.Df3 Sc6 2.Dd3 d5 3.exd5
00:05:41 17.00 1.38 1.Df3 Sc6 2.Dd3 d5 3.exd5
Positions : 385.909.936
Nodes per second : 713.327
Extensions (checks) : 0 (0%)
Extensions (captures) : 0 (0%)
Extensions (king safety) : 0 (0%)
Extensions (on depth) : 0 (0%)
Extensions (remaining) : 0 (0%)
Extensions (total) : 0 (0%)
Hash Table : 9.497.648 4.665.784 (99%)
Average depth : 19
Deepest depth : 60
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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