Saturday, September 17, 2016

How to win any chess game at the first move - but lose the full point!

http://matplus.net/start.php?px=1474101069&app=forum&act=posts&fid=prom&tid=1898&pid=15007#n15007

(1) Posted by Siegfried Hornecker [Saturday, Sep 17, 2016 10:27]; edited by Siegfried Hornecker [16-09-17]

Major gamebreaking oversight - winning any game in the first move if the opponent is late (and still get a 0:1 result)


 QUOTE 
5.1

a. The game is won by the player who has checkmated his opponent’s king. This immediately ends the game, provided that the move producing the checkmate position was in accordance with Article 3 and Articles 4.2 – 4.7.
 QUOTE 
7.2

a. If during agame it is found that the initial position of the pieces was incorrect, the game shall be cancelled and a new game shall be played.
If during a game it is found that the chessboard has been placed contrary to Article 2.1, the game shall continue but the position reached must be transferred to a correctly placed chessboard.


So the simple way to win is to set up any position where you can checkmate in one move as the starting position and make that move. This ends the game, so the starting position can not be corrected anymore or the game cancelled since the game is already over (note how it says "during"). Since the opponent is late, he also won't have checked the setup of the pieces, so you have been able to set it up the way you want. If you would have Black usually, just assign White to yourself, as...

 QUOTE 

7.3

If a game has begun with colours reversed then it shall continue, unless the arbiter rules otherwise.


...this obviously also only applies when a game has not ended yet.

Articles 3 and 4 regard the movement of pieces, but nothing prevents you from starting from a wrongly set up board and make a legal move that immediately checkmates. This is a major oversight that I did not see in action yet, but it is a theoratical possibility to cheat in accordance with the rules.


Of course, you have one small issue...

 QUOTE 
11.1

The players shall take no action that will bring the game of chess into disrepute.


So the arbiter can...

 QUOTE 
11.6

Infraction of any part of Articles 11.1 – 11.5 shall lead to penalties in accordance with Article 12.9.


 QUOTE 

12.9

Options available to the arbiter concerning penalties:

warning
increasing the remaining time of the opponent
reducing the remaining time of the offending player
increasing the points scored in the game by the opponent to the maximum available for that game
reducing the points scored in the game by the offending person
declaring the game to be lost by the offending player (the arbiter shall also decide the opponent’s score)
a fine announced in advance
expulsion from the competition.


...increase your opponent's score to 1 and yours to 0. But you still won, even though the result shows the opposite! And that counts. Or not?

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