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    Illuminati Bill Gletsos's Avatar
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    New Laws of Chess as of 1st July 2005

    I received an email from Stewart Reuben containing the new Laws of Chess as approved at the recent Olympiad which will come into effect from 1st July 2005.

    As the changes are not highlighted so I have had to carefully read the new set and compare it to the old. The new rules differ from a supposed final draft that were being circulated.

    I have highlighted the changes I have noticed which are as follows:

    Article 1.2
    The objective of each player is to place the opponent's king 'under attack' in such a way that the opponent has no legal move. The player who achieves this goal is said to have 'checkmated' the opponent's king and to have won the game. Leaving one’s own king under attack, exposing one’s own king to attack and also ’capturing’ the opponent’s king are not allowed. The opponent whose king has been checkmated has lost the game.
    Article 3.1
    It is not permitted to move a piece to a square occupied by a piece of the same colour. If a piece moves to a square occupied by an opponent's piece the latter is captured and removed from the chessboard as part of the same move. A piece is said to attack an opponent's piece if the piece could make a capture on that square according to Articles 3.2 to 3.8.
    A piece is considered to attack a square, even if such a piece is constrained from moving to that square because it would then leave or place the king of its own colour under attack.
    Article 3.8
    a. There are two different ways of moving the king, by:
    i. moving to any adjoining square not attacked by one or more of the opponent's pieces.
    or
    ii. ‘castling'. This is a move of the king and either rook of the same colour on the same rank, counting as a single move of the king and executed as follows: the king is transferred from its original square two squares towards the rook, then that rook is transferred to the square the king has just crossed.

    (1) The right for castling has been lost:
    a. if the king has already moved, or
    b. with a rook that has already moved
    (2) Castling is prevented temporarily
    a. if the square on which the king stands, or the square which it must cross, or the square which it is to occupy, is attacked by one or more of the opponent's pieces.
    b. if there is any piece between the king and the rook with which castling is to be effected.
    Article 3.9
    The king is said to be 'in check' if it is attacked by one or more of the opponent's pieces, even if such pieces are constrained from moving to that square because they would then leave or place their own king in check. No piece can be moved that will either expose the king of the same colour to check or leave that king in check.
    Article 4.4
    d. If a player promotes a pawn, the choice of the piece is finalised, when the piece has touched the square of promotion.
    The old Article 4.6 is now Article 4.7 and includes the change so that it covers all of Article 4 not just 4.3 and 4.4 as before.
    The new Article 4.6 completely replaces the old Article 4.7.

    Article 4.7
    A player forfeits his right to a claim against his opponent's violation of Article 4 once he deliberately touches a piece.
    Article 4.6
    When, as a legal move or part of a legal move, a piece has been released on a square, it cannot then be moved to another square. The move is considered to have been made when all the relevant requirements of Article 3 have been fulfilled
    a. in the case of a capture, when the captured piece has been removed from the chessboard and the player, having placed his own piece on its new square, has released this capturing piece from his hand;
    b. in the case of castling, when the player's hand has released the rook on the square previously crossed by the king. When the player has released the king from his hand, the move is not yet made, but the player no longer has the right to make any move other than castling on that side, if this is legal;
    c. in the case of the promotion of a pawn, when the pawn has been removed from the chessboard and the player's hand has released the new piece after placing it on the promotion square. If the player has released from his hand the pawn that has reached the promotion square, the move is not yet made, but the player no longer has the right to play the pawn to another square.
    Article 5.1
    a. The game is won by the player who has checkmated his opponent's king with a legal move. This immediately ends the game, provided that the move producing the checkmate position was a legal move.

    In Article 6.10 the words checkmate the player's king are replaced by the words checkmate the player

    Article 6.10
    Except where Articles 5.1 or one of the Articles 5.2 (a), (b) and (c) apply, if a player does not complete the prescribed number of moves in the allotted time, the game is lost by the player. However, the game is drawn, if the position is such that the opponent cannot checkmate the player by any possible series of legal moves, even with the most unskilled counterplay.
    Article 6.11
    Every indication given by the clocks is considered to be conclusive in the absence of any evident defect. A chess clock with an evident defect shall be replaced. The arbiter shall replace the clock and use his best judgement when determining the times to be shown on the replacement chess clock.
    Article 6.12
    If both flags have fallen and it is impossible to establish which flag fell first then
    a. the game shall continue if it happens in any period of the game except the last period.
    b. the game is drawn in case it happens in the period of a game, in which all remaining moves must be completed.
    Article 6.15
    Screens, monitors, or demonstration boards showing the current position on the chessboard, the moves and the number of moves made, and clocks which also show the number of moves, are allowed in the playing hall. However, the player may not make a claim relying solely on information shown in this manner.
    Article 7.4
    a. If during a game it is found that an illegal move, including promotion of a pawn or capturing the opponent’s king, has been completed, the position immediately before the irregularity shall be reinstated. If the position immediately before the irregularity cannot be determined, the game shall continue from the last identifiable position prior to the irregularity. The clocks shall be adjusted according to Article 6.14. Article 4.3 applies to the move replacing the illegal move. The game shall then continue from this reinstated position.
    Artilce 7.5
    If during a game it is found that pieces have been displaced from their squares, the position before the irregularity shall be reinstated. If the position immediately before the irregularity cannot be determined, the game shall continue from the last identifiable position prior to the irregularity. The clocks shall be adjusted according to Article 6.14. The game shall then continue from this re-instated position.
    Article 8.1
    In the course of play each player is required to record his own moves and those of his opponent in the correct manner, move after move, as clearly and legibly as possible, in the algebraic notation (Appendix E), on the ‘scoresheet’ prescribed for the competition. It is forbidden to write the moves in advance.
    A player may reply to his opponent's move before recording it, if he so wishes. He must record his previous move before making another. Both players must record the offer of a draw on the scoresheet. (Appendix E.12)
    If a player is unable to keep score, an assistant, who is acceptable to the arbiter, may be provided by the player to write the moves. His clock shall be adjusted by the arbiter in an equitable way.
    Article 8.4
    a. If a player has less than five minutes left on his clock at some stage in a period and does not have additional time of 30 seconds or more added with each move, then he is not obliged to meet the requirements of Article 8.1. Immediately after one flag has fallen the player must update his scoresheet completely before moving a piece on the chessboard
    b. If a player has less than five minutes left on his clock and has additional time of 30 seconds or more added with each move, both players have to write the opponent’s before completing their own move.
    Article 9.6
    The game is drawn when a position is reached from which a checkmate cannot occur by any possible series of legal moves, even with the most unskilled play. This immediately ends the game, provided that the move producing this position was legal.
    In Article 10.1 the word last was removed before the word phase and the word remainaing was placed in brackets.

    Article 10.1
    A 'quickplay finish' is the phase of a game, when all the (remaining) moves must be made in a limited time.
    Article 10.2
    10.2 If the player, having the move, has less than two minutes left on his clock, he may claim a draw before his flag falls. He shall stop the clocks and summon the arbiter.
    a. If the arbiter agrees the opponent is making no effort to win the game by normal means, or that it is not possible to win by normal means, then he shall declare the game drawn. Otherwise he shall postpone his decision or reject the claim.
    b. If the arbiter postpones his decision, the opponent may be awarded two extra minutes and the game shall continue in the presence of an arbiter, if possible. The arbiter shall declare the final result later in the game or after a flag has fallen. He shall declare the game drawn if he agrees that the final position cannot be won by normal means, or that the opponent was not making sufficient attempts to win by normal means.
    c. If the arbiter has rejected the claim, the opponent shall be awarded two extra minutes time.
    d. The decision of the arbiter shall be final relating to 10.2 a, b, c.

    Artilce 10.3 has been deleted. It said:
    If both flags have fallen and it is impossible to establish which flag fell first the game is drawn.
    Article 12.2
    a During play the players are forbidden to make use of any notes, sources of information, advice, or analyse on another chessboard.
    b. It is strictly forbidden to bring mobile phones or other electronic means of communication, not authorised by the arbiter, into the playing venue. If a player’s mobile phone rings in the playing venue during play, that player shall lose the game. The score of the opponent shall be determined by the arbiter.
    The later part of the old 12.2 is now 12.3.
    Article 12.3
    12.3 The scoresheet shall be used only for recording the moves, the times of the clocks, the offers of a draw, matters relating to a claim and other relevant data.
    The old 12.3-12.8 are now renumbered 12.4-12.9.

    Article 13.6
    The arbiter must not intervene in a game except in cases described by the Laws of Chess. He shall not indicate the number of moves made, except in applying Article 8.5 when at least one flag has fallen. The arbiter shall refrain from informing a player that his opponent has completed a move or that the player has not pressed his clock.
    Artilce 13.7
    a. Spectators and players in other games are not to speak about or otherwise interfere in a game. If necessary, the arbiter may expel offenders from the playing venue.
    b. It is forbidden for anybody to use a mobile phone in the playing venue and any area designated by the arbiter.
    Article B1
    A ‘Rapidplay’ game is one where either all the moves must be made in a fixed time from 15 to 60 minutes; or the time allotted + 60 times any increment is from 15 to 60 minutes.
    Part b of Article B5 has been deleted. It had said:
    The player loses the right to claim according to Articles 7.2, 7.3 and 7.5 (Irregularities, illegal moves) once he has touched a piece according to Article 4.3.
    Article B5 now reads:
    Article B5
    The arbiter shall make a ruling according to Article 4 (The act of moving pieces), only if requested to do so by one or both players.
    The old Articles B6-B8 are now B7-B9 and there is a new B6 as follows:

    Article B6
    An illegal move is completed once the opponent's clock has been started. The opponent is then entitled to claim that the player completed an illegal move before the claimant has made his move. Only after such a claim, shall the arbiter make a ruling. However, if both Kings are in check or the promotion of a pawn is not completed, the arbiter shall intervene, if possible.
    Article C1
    A ‘blitz’ game’ is one where all the moves must be made in a fixed time of less than 15 minutes for each player; or the allotted time + 60 times any increment is less than 15 minutes.
    Article C2
    Play shall be governed by the Rapidplay Laws as in Appendix B except where they are overridden by the following Laws of Blitz. The Articles 10.2 and B6 do not apply.
    Article C3
    An illegal move is completed once the opponent's clock has been started. However, the opponent is entitled to claim a win before he has made a move. If the opponent cannot checkmate the player’s king by any possible series of legal moves with the most unskilled counterplay, then the claimant is entitled to claim a draw before making his own move. Once the opponent has made his own move, an illegal move cannot be corrected.
    Article C4 which said:
    Article 10.2 does not apply.
    has been incorporated into C2.

    Article D1
    Where games are played as in Article 10, a player may claim a draw when he has less than two minutes left on his clock and before his flag falls. This concludes the game.
    He may claim on the basis
    a. that his opponent cannot win by normal means, and/or
    b. that his opponent has been making no effort to win by normal means.
    In (a) the player must write down the final position and his opponent verify it.
    In (b) the player must write down the final position and submit an up-to-date scoresheet. The opponent shall verify both the scoresheet and the final position.
    The claim shall be referred to an arbiter whose decision shall be the final one.
    There is a new Article E1 and old Articles E1-E12 are now E2-E13.

    Article E1
    In this description, "piece" means a piece other than a pawn."
    Last edited by Bill Gletsos; 02-11-2004 at 07:57 PM.

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