Questions tagged [uscf]

Questions about the United States Chess Federation. The non-profit governing organization for US over-the-board chess.

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8
votes
1answer
1k views

Illegal Move Missed-Too Late?

This question is about standard games under USCF rules (if FIDE is different, I'd like to know). Say that one side makes an illegal move-specifically, castling through check. Neither player notices. ...
5
votes
2answers
3k views

How does Chesscube.com rating compare to USCF and FIDE ratings?

My Chesscube is 1800. I would like to have the strength of 2100 or 1900 USCF and FIDE. What Chesscube rating do I need?
9
votes
2answers
3k views

What happens should a clock fail during the game?

There are a number of ways a clock can fail during a game. Battery runs out, player pushes button by mistake and resets it, falls on floor and breaks, kiddie smashes toggle button hard with captured ...
28
votes
3answers
5k views

Should a player be forced to move a piece that he has picked up after a spectator knocked it off the board?

While anyone can answer this, I do have official FIDE arbiters in mind. I am following a discussion on chess.com about the worst way you have lost a game. Someone related this story: This didn't ...
17
votes
2answers
2k views

The history of the 175-move draw rule

The U.S. Chess Federation piloted a 175-move draw rule in the fourth edition of its Official Rules. This interesting rule ended a game automatically after 175 moves, whether or not either player had ...
11
votes
2answers
3k views

Can a player be forced to adjust a piece?

If one of my pieces is knocked off the board unintentionally, do I need to place it back on the board? Can I continue to play with one or more pieces not on the board (but still have it in effect - ...
2
votes
1answer
337 views

What does “half-K” mean in the USCF tournament rating system?

The USCF rating system as described by Professor Glickman includes a factor called K: If m < 3, or if the player competes against any opponent more than twice, the "standard" rating formula that ...