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Old December 3rd 07, 02:23 PM posted to rec.games.chess.analysis,rec.games.chess.misc,alt.chess,rec.games.chess.computer,rec.games.chess.politics
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Default What type of End Game are Drawn?

Sanny, here are 2 useful exercises you can conduct to explore what are
called MAMS studies. [what you ask below you can get from almost any
beginning chess book]

I would like you to set up 2 positions, and see if your program can solve
them - they are called Kling&Horwitz Fortresses.

[for historical interest these positions went unsolved since 1851 - and
credit for challenging them goes to John Roycroft /Test Tube Chess/ 1972]

Evidently Timman understood this well enough, since the first GM win was
over Speelman 1992 Linares.

(A) this is the easy one - set up
White: Kd5, Ba4, Bf8
Black: Kb6, Nh1

that's easy, no? if too easy try the N on f2 - now, here comes the hard one:

(B)
White: Kd7, Bb3, Bh6
Black: Ke5, Ne4

solve.

this (B) makes 'the fortress' which went unsolved for 150 years. [ if anyone
has another engine, try it, taking note of the number of moves grin ]

Phil Innes



"Sanny" wrote in message
...
Here is a few I can think of End games that are drawn.

1. Bishop+King -- King
2- Knight+King -- King
3.( 2 ) Knight + King -- King
4.( 2 ) Bishop + King -- King
5. Knight + Bishop + King -- King

Play Chess at: http://www.GetClub.com/Chess.html

What about below combinations are they draw?

Rook+king -- Queen + King?
Rook+King -- Knight + King?
Rook + King -- Bishop +King?

Queen +King -- Knight + King?
Queen +King -- Bishop +King?

Are there any other combination where the Game is drawn? As I will use
it for automatic Draw at GetClub Chess.

Bye
Sanny

Play Chess at: http://www.GetClub.com/Chess.html







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Old December 4th 07, 12:54 PM posted to rec.games.chess.analysis,rec.games.chess.misc,alt.chess,rec.games.chess.computer,rec.games.chess.politics
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First recorded activity by ChessBanter: Dec 2007
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Default What type of End Game are Drawn?


"Chess One" schreef in bericht
...
Sanny, here are 2 useful exercises you can conduct to explore what are
called MAMS studies. [what you ask below you can get from almost any
beginning chess book]

I would like you to set up 2 positions, and see if your program can solve
them - they are called Kling&Horwitz Fortresses.

[for historical interest these positions went unsolved since 1851 - and
credit for challenging them goes to John Roycroft /Test Tube Chess/ 1972]

Evidently Timman understood this well enough, since the first GM win was
over Speelman 1992 Linares.

(A) this is the easy one - set up
White: Kd5, Ba4, Bf8
Black: Kb6, Nh1

that's easy, no? if too easy try the N on f2 - now, here comes the hard
one:

(B)
White: Kd7, Bb3, Bh6
Black: Ke5, Ne4

solve.

this (B) makes 'the fortress' which went unsolved for 150 years. [ if
anyone has another engine, try it, taking note of the number of moves
grin ]


Wow! Same amount as squares on a chessboard ;-)

Phil Innes



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