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Topic: Auto draw when only 2 kings
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I toldly agree with beco. It's how FreeChess works, also.
whitekings: I don't see any problem if two players want to play with the kings around the table. I wouldn't, but... :D
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Sorry to drag up an old topic but I noticed this while looking back through the forum archives to see if a suggestion I want to make has been made before.
| andreavb wrote: Because when you play OTB, it's not automatically a draw [when the game gets down to two kings]: one of the players have to claim it, and the other must agree. |
This is not true. FIDE law 5.2(b) says,
| The game is drawn when a position has arisen in which neither player can checkmate the opponent's king with any series of legal moves. The game is said to end in a `dead position'. This immediately ends the game, provided that the move producing the position was legal. |
The position with just two kings is a dead position so is automatically drawn, with no need for a claim by either player. Other dead positions include king+bishop vs king and king+knight vs king. Note that king+two knights vs king is not dead because, although the player with the two knights cannot force checkmate from arbitrary positions, the player with the lone king could be stupid (or unlucky) enough to get himself checkmated in this position
There are more complicated examples of dead positions, involving interlocking pawn chains, such as
Note that the black knight cannot move at all and neither of the bishops can break the pawn chains. The position would not be dead if, for example, White had a rook because, then, he could sacrifice it against the pawn chain, allow a black pawn to promote and then get himself checkmated.
The FIDE laws of chess are online at http://www.fide.com/official/handbook.asp?level=EE101
| andreavb wrote: i forgot the word. arbiter? |
Yes, it's the arbiter. 
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The game is drawn when a position has arisen in which neither player can checkmate the opponent's king with any series of legal moves. The game is said to end in a `dead position'. This immediately ends the game, provided that the move producing the position was legal.
Have you ever seen a board crying out "hey, it's a draw"? One of the players _has_ to say it, or, if both players are competent, they will look to the board and shake hands without words, maybe. But... not automatically!
Of course one can't reject draw(that's why I said he must agree!), but the players do have to claim for it!
(thanks for the arbiter word)
--andreavb
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I remember a puzzle where White creates a dead position by sacrificing his only bishop and checking with pawns.
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| andreavb wrote: Have you ever seen a board crying out "hey, it's a draw"? One of the players _has_ to say it, or, if both players are competent, they will look to the board and shake hands without words, maybe. But... not automatically! |
Of course. But the situation with dead positions is exactly the same as positions with checkmate. You don't have to explicitly claim a checkmate or a dead-position draw. Further, since the site recognizes checkmates and automatically ends the game at that point, it should do the same for dead positions.
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