Author: Les Fernandez
Date: 18:53:47 01/17/05
First let me thank Dann Corbit for these analyses!
A few weeks ago I posted these 2 positions and asked if some of you could
analyze them and report your findings. As a follow up Dann decided to run these
2 positions using 37 different engines to see if it took longer to solve
Position #1 vs Position #2. Please review the data and let me hear your
thoughts as to what could be causing this to happen. I had to split the charts
up since I could not fit them both across the width. The 2 positions lloked at
are:
#1
[D]2k5/8/3Q4/2N5/8/8/3K4/8 w - - pv Qc6+; ce 32764;
#2
[D]2k5/6N1/3Q4/8/8/8/3K4/8 w - - pv Ne6; ce 32760;
Following is the data:
POSITION #1
Sol’n
Analyzing engine Total nodes Time(sec) Mate
Amyan 11.303.686 36 +M0
Beowulf 13.439.647 34 mate
ChestUCI No solution found
Crafty-1917 16.841.498 10 -M9
DanChess 966.945 2 mate
Delfi 1.914.971 1 mate
Dragon_46 7.787.760 10 +M9
Ges >60
Glaurung >60
Glc3034 4.547.343 2 mate
GnuChess-507-Net engine trouble
GoliathMate engine trouble
Gothmog 108.350 0 +M29
GreKo >60
Gromit382 28 +M8
Gully2 >60
Jonny264 >60
Knightx190 84.685.201 49 +M4
Leila-053h 1.859.186 3 +M8
LGNemesis engine trouble
List512 863.730 1 +M500
Movei >60
Muse0899b >60
Natwarlal 12.812.697 32 +M9
Nejmet-307 engine trouble
Patriot_0172-Lite engine trouble
Patzer_361 799.022 2 +M8
Pepito-159 3.708.280 7 +M10
Postmodernist >60
Quark-232-net engine trouble
Ruffian_202 engine trouble
SmirfMateBeta9 engine trouble
SOS-4_Arena engine trouble
Tcb0052 >60
Ufim502 174.630 2 +M10
WildCat >60
Yace engine trouble
POSITION #2
Sol’n
Analyzing engine Total nodes Time(sec) Mate
Amyan 2.540.663 8 +M0
Beowulf 6.964.235 17 +M9
ChestUCI No solution found
Crafty-1917 9.186.691 5 -M9
DanChess 978.516 2 +M9
Delfi 1.104.162 1 -M8
Dragon_46 3.572.856 4 +M9
Ges 1.655.433 6 +M8
Glaurung >60
Glc3034 2.175.863 1 +M9
GnuChess-507-Net >60
GoliathMate engine trouble
Gothmog 31.664 0 +M22
GreKo 6.390.461 11 +M9
Gromit382 0 6 +M8
Gully2 >60
Jonny264 >60
Knightx190 43.799.069 27 +M4
Leila-053h 809.080 1 +M8
LGNemesis engine trouble
List512 564.059 1 +M500
Movei 20.420.015 27 +M9
Muse0899b >60
Natwarlal 3.420.414 8 +M9
Nejmet-307 engine trouble
Patriot_0172-Lite engine trouble
Patzer_361 595.134 2 +M8
Pepito-159 683.162 2 +M9
Postmodernist >60
Quark-232-net 1.789.509 0 +M9
Ruffian_202 engine trouble
SmirfMateBeta9 engine trouble
SOS-4_Arena 429.121 2 +M12
Tcb0052 47.768.289 27 +M16
Ufim502 89.973 0 +M10
WildCat 139.334 4 +M9
Yace 706.228 0 +M10
I hope splitting the table up dint screw up my data!!
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