10 pieces database: Assignment #1.

Discussion and analysis about certain positions.

10 pieces database: Assignment #1.

Postby Alex_Moiseyev on Sat Nov 19, 2005 1:13 am

2Ed Gilbert:

Hi, Ed !

Currently I am annotating selected games for the 8th International Match Book In one game I comeup with very interesting position, where my 8 pieces Nemesis database was unable to provide a proved solution at reasonable time. See diagram #1 below. Due to security of information, I can't give you the name of players and round - people can get this information later, when buy the book.

I am asking your help for correct verdict in this position: do red has a draw after 3-8 ?

In real game red played 19-24 and lost immediately. It is also almost obvious, that next play should be: 3-8 32-28 8-12 21-17 7-10 9-6 19-24 28-19 15-24 6-2 10-15 ... see diagram #2 But after this uncertaincy in program research grows tremendously :idea:

#1. Red to move
Image

#2. White to move
Image

For those who is interested - so far, from 30 match games I came across, this is first time, when my Nemsis with 8 pieces database was unable to solve position at reasonable time. In almost each game I annotated - something interesting and excited happened, and personally I would recommend everyone to order this book. You will find alot more positions like this, in the book :idea:
I am playing checkers, not chess.
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Re: 10 pieces database: Assignment #1.

Postby Ed Gilbert on Sat Nov 19, 2005 8:36 am


Hi Alex,

The position is a draw. After your list of moves, the play continues with 17-14 24-28 14-10 28-32 10-7 32-28 7-3 15-19 22-18 28-24 26-23 xx and into a 10-piece draw.

-- Ed
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Re: 10 pieces database: Assignment #1.

Postby Alex_Moiseyev on Sat Nov 19, 2005 9:03 am

Fantastic, this beat my expectations ! I thought - white should have a technical win here. On any practical consideration red position must be considered as complete lost, but ... :oops:

I already putted preliminary comments to my annotations, that previous red move in game loses, and now I have to rewrite it ! :lol:

Many thanks, Ed, for quick response and help !

Alex
I am playing checkers, not chess.
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Re: 10 pieces database: Assignment #1.

Postby CheckersStrongplayer on Thu Dec 15, 2005 8:22 pm

lol :D Wow, you guys are famous and you are here like regular poeple that impresses me Ed Glibert and you Murray if that's you since you claimed that Nemesis is yours are you really Murray?
Checkers is like being in heavens.
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