🚀 go-pugleaf

Hello,

Pandit Harish wrote:

> According to me there is a law which is interpreted as " If there is no
> capture for 50 moves then the game is considered as drawn". Some say that
> this has been extended to 100 moves considering some of the R+B vs R
> positions.

My copy of the "Official Laws of Chess" of the FIDE (ISBN 0-7134-6200-0) says the 
following (I quote):

Article 10.8
------------

The game is drawn when a player having the move claims a draw and demonstrates that 
at least the last 50 consecutive moves have been made by each side without the 
capture of any piece and without the movement of any pawn. This number of 50 moves 
can be invreased for certain positions provided that this increase in number and 
these positions have been clearly established in the Laws of Chess (Article 10.9).

Article 10.9
------------

The number of 50 moves mentioned in Article 10.8 will be extended to 75 moves for the 
following positions:

(a) king, rook and bishop against king and rook;
(b) king and two knights against king and pawn;
(c) king, queen and a pawn one square from promotion against king and queen;
(d) king and queen against king and two knights;
(e) king and queen against king and two bishops;
(f) king and two bishops against king and knight.

===

In short: everything about the 50-move rule but were afraid to ask :-)

In real-life chess of course, 10.8 is seldomly used, and I am unaware of any occasion 
where 10.9 has been applied. Game-theoretically these two articles are very important 
in that they effectively make chess into a 'finite' game -- C.E. Shannon('Programming 
a Computer for Playing Chess', 1950) states that the longest possible chess-game 
lasts 6350 moves - but of course he didn't have article 10.9.

Regards,
  Sidney