Author: Kurt Utzinger
Date: 12:43:16 03/23/03
Go up one level in this thread
On March 23, 2003 at 13:30:50, Jorge Pichard wrote:
>This game was played between Alekhine vs Steiner in August 1932 ( Pasadena
>Tournament) The best move played by Alekhine was Nd7!. So far Fritz 8 and Hiarcs 8 and Shredder 7.04 played the correct move. How many other programs can play 27.Nd7!
>
>[D]2q2rk1/br5p/p3b3/2p1N1pQ/2P3P1/1P6/PB3P1P/R3R1K1 w - - 0 1
In my opinion not a very good example. White can easily win with either 27.Nd7,
27.Ng6 and 27.Nf3 see the analysis below of Rebel 12 on P4 1.8/28 MB hash:
Kurt
Thinking....
+---+---+---+---+---+---+---+---+ Pos 1 - End 1
8 | | | *Q| | | *R| *K| |
+---+---+---+---+---+---+---+---+ 00:00:00 00:00:00
7 | *B| *R| | | | | | *p|
+---+---+---+---+---+---+---+---+
6 | *p| | | | *B| | | | Time unendlich
+---+---+---+---+---+---+---+---+ Hash 28 Mb
5 | | | *p| | N | | *p| Q | Engine Beta 1
+---+---+---+---+---+---+---+---+ Personality beta1.eng
4 | | | p | | | | p | | anti-GM Off
+---+---+---+---+---+---+---+---+ Tactics Off
3 | | p | | | | | | | Bluff Chess Off
+---+---+---+---+---+---+---+---+ Style Normal
2 | p | B | | | | p | | p | Strength Strongest
+---+---+---+---+---+---+---+---+ Search Nullmove
1 | R | | | | R | | K | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
2q2rk1/br5p/p3b3/2p1N1pQ/2P3P1/1P6/PB3P1P/R3R1K1 w - -
[Event "?"]
[Site "?"]
[Date "??.??.????"]
[Round "?"]
[White "Pos 1"]
[Black "End 1"]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "2q2rk1/br5p/p3b3/2p1N1pQ/2P3P1/1P6/PB3P1P/R3R1K1 w - - 0 1"]
1.*
00:00:00 1.00 -7.50 1.De8 Dxe8
00:00:00 1.01 -7.32 1.Df7+ Lxf7
00:00:00 1.02 3.15 1.Dxg5+ Tg7
00:00:00 2.00 3.15 1.Dxg5+ Tg7
00:00:00 2.03 3.18 1.Sd3 Tf3 2.Dxg5+ Kf8
00:00:00 3.00 3.33 1.Sd3 Lf7 2.Dxg5 Lg6
00:00:00 3.02 3.33 1.Sd7
00:00:00 4.00 3.33 1.Sd3 Lf7 2.Dxg5 Lg6 3.Dd5
00:00:00 4.01 3.33 1.Sd7
00:00:00 5.00 3.45 1.Sd3 Lf7 2.Dxg5 Lg6 3.f4
00:00:00 6.00 3.23 1.Sd3 Lf7 2.Dxg5 Lg6 3.f4 Dc6
00:00:00 6.01 3.41 1.Sd7 Dxd7 2.Dxg5 Kf7 3.Tad1 Dc6 4.Df6
00:00:00 6.04 3.41 1.Tad1
00:00:00 6.04 3.42 1.Tad1 Lb8 2.Sd3 Lf4 3.Sxf4 gxf4
00:00:01 7.00 3.78 1.Tad1 De8 2.Dh6 Te7 3.Sd7 Txd7 4.Txd7
Dxd7 (0)
00:00:01 8.00 3.45 1.Tad1 De8 2.Dh6 Te7 3.f3 Lb8 4.Dxg5
Tg7 (1)
00:00:01 8.02 3.56 1.Sd3 Tff7 2.Dxg5 Tg7 3.Lxg7 Txg7 4.Df6
Txg4 5.Kf1 Lf7 (1)
00:00:02 8.04 3.56 1.Sg6
00:00:02 8.04 3.85 1.Sg6 Te8 2.Dxg5 hxg6 3.Dxg6 Kf8 4.Dh6
Ke7 5.Tad1 Tf8 (2)
00:00:02 8.10 3.85 1.Dh6
00:00:02 8.10 4.52 1.Dh6 Te8 2.Df6 Lf7 3.Dxg5 Kf8 4.Tad1
00:00:04 9.00 4.55 1.Dh6 Lxc4 2.Sd7 Dxd7 3.Dxg5 Dg7 4.Lxg7
Txg7 5.Dh5 (3)
00:00:04 9.01 4.55 1.Sg6
00:00:06 9.01 5.29 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Kf8
00:00:09 10.00 5.78 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 Dxe6 6.Txe6 Txg4 7.Kh1 Kf7 (7)
00:00:17 11.00 5.86 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 Dxe6 6.Txe6 Txg4 7.Kh1 Th4
8.Txa6 Lb8 9.Tg1 (12)
00:00:40 12.00 5.88 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 Dxe6 6.Txe6 Txg4 7.Kh1 Kf7 (28)
00:02:17 13.00 6.33 1.Sg6 De8 2.Sxf8 Dxh5 3.gxh5 Lxc4 4.Se6
Lxe6 5.Txe6 (66)
Positions : 132.514.187
Nodes per second : 622.132
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 : 1.642.819 1.466.485 (99%)
Average depth : 17
Deepest depth : 50
*****************************************************************************************
Thinking....
+---+---+---+---+---+---+---+---+ Pos 1 - End 1
8 | | | *Q| | | *R| *K| |
+---+---+---+---+---+---+---+---+ 00:00:00 00:00:00
7 | *B| *R| | | | | | *p|
+---+---+---+---+---+---+---+---+
6 | *p| | | | *B| | | | Time unendlich
+---+---+---+---+---+---+---+---+ Hash 28 Mb
5 | | | *p| | N | | *p| Q | Engine Beta 3
+---+---+---+---+---+---+---+---+ Personality beta3.eng
4 | | | p | | | | p | | anti-GM Off
+---+---+---+---+---+---+---+---+ Tactics Off
3 | | p | | | | | | | Bluff Chess Off
+---+---+---+---+---+---+---+---+ Style Normal
2 | p | B | | | | p | | p | Strength Strongest
+---+---+---+---+---+---+---+---+ Search Nullmove
1 | R | | | | R | | K | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
2q2rk1/br5p/p3b3/2p1N1pQ/2P3P1/1P6/PB3P1P/R3R1K1 w - -
[Event "?"]
[Site "?"]
[Date "??.??.????"]
[Round "?"]
[White "Pos 1"]
[Black "End 1"]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "2q2rk1/br5p/p3b3/2p1N1pQ/2P3P1/1P6/PB3P1P/R3R1K1 w - - 0 1"]
1.*
00:00:00 1.00 -7.50 1.De8 Dxe8
00:00:00 1.01 -7.32 1.Df7+ Lxf7
00:00:00 1.02 3.15 1.Dxg5+ Tg7
00:00:00 2.00 3.15 1.Dxg5+ Tg7
00:00:00 2.02 3.15 1.Sd7
00:00:00 2.04 3.15 1.Sd3
00:00:00 2.04 3.33 1.Sd3 Lf7 2.Dxg5+ Lg6 3.Dd5+ Tbf7
00:00:00 3.00 3.33 1.Sd3 Lf7 2.Dxg5 Lg6 3.Sf4 Dc6
00:00:00 3.02 3.33 1.Sd7
00:00:00 4.00 3.33 1.Sd3 Lf7 2.Dxg5 Lg6 3.Dd5 Tbf7 4.Kh1
00:00:00 4.01 3.33 1.Sd7
00:00:00 5.00 3.38 1.Sd3 Lf7 2.Dxg5 Lg6 3.Tad1
00:00:00 5.01 3.38 1.Sd7
00:00:00 6.00 3.23 1.Sd3 Lf7 2.Dxg5 Lg6 3.f4 Dc6
00:00:00 6.01 3.23 1.Sd7
00:00:00 6.03 3.42 1.Tad1 Lb8 2.Sd3 Lf4 3.Sxf4 gxf4 4.Td6
00:00:01 7.00 3.78 1.Tad1 De8 2.Dh6 Te7 3.Sd7 Txd7 4.Txd7
Dxd7 5.Dxe6 Dxe6 (0)
00:00:01 7.08 3.78 1.Dh6
00:00:01 8.00 3.30 1.Tad1 De8 2.Dh6 Te7 3.f3 Tg7 4.Sc6
00:00:01 8.01 3.30 1.Dh6
00:00:02 8.01 4.62 1.Dh6 Lxg4 2.Sd7 Dxd7 3.Dxg5
00:00:02 8.11 4.62 1.Sg6
00:00:02 8.11 5.54 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 (2)
00:00:04 9.00 5.74 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 (3)
00:00:06 10.00 5.74 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 (4)
00:00:12 11.00 5.78 1.Sg6 Tff7 2.Dxg5 hxg6 3.Dxg6 Tg7 4.Lxg7
Txg7 5.Dxe6 (8)
00:00:39 12.00 6.00 1.Sg6 Tff7 2.Tad1 Lb6 3.Dxg5
00:01:05 12.07 6.10 1.Sf3 Tff7 2.Tad1 Lb6 3.Td6 Tfe7 4.Sxg5
Lxc4 5.Txe7 Txe7 6.Tg6 Kf8 (42)
00:01:41 13.00 6.18 1.Sf3 Tff7 2.Tad1 Lb6 3.Td6 Tfe7 4.Sxg5
Lf5 5.Txe7 Txe7 (74)
Positions : 103.551.905
Nodes per second : 643.179
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 : 1.458.099 1.290.705 (99%)
Average depth : 17
Deepest depth : 51
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.