Questions tagged [chess-clocks]

A chess clock is a timing device used to keep games moving. When a player's time runs out, she faces some penalty, frequently the loss of the game. For questions about time controls or time management, use the respective tags time-control and time-management.

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What was so special about the incremental "Digital Chess clock" that a patent was granted to Bobby Fischer for the same?

Bobby Fischer had 'invented' a way of incrementing some time duration with every chess move(s) played. This was quite new in that era. But was that so unique that a patent was granted for it? Here are ...
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10 votes
2 answers
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Do I have to make a move on a DGT board at the start of the game when opponent is not present?

In a situation when you are playing on a DGT board as white and your opponent has not yet arrived at the board, should we still make the move on the board after the game has started? Let's say your ...
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3 votes
1 answer
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Do accidental clock presses get counted with DGT clocks connected to DGT boards?

I have played many games with DGT 2010, DGT 2000 clocks and they cannot be connected to DGT boards as far as I know. Also there is a button to know the number of moves played (rather clock presses) so ...
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2 votes
1 answer
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Can FIDE rated open tournaments have games played without chess clocks?

So there was this FIDE rated tournament with 750+ participants and the last boards games were played without clocks. This was probably due to shortage of clocks. Anyway the last boards were occupied ...
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6 votes
1 answer
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Is playing without a clock, with the arbiter adding the clock when the game goes too long, within FIDE rules?

There was a time I joined a tournament where we didn't play with a clock initially. But, if the games went longer than 30 minutes, the arbiter added a 10-minutes clock to both sides. Is this allowed ...
1 vote
1 answer
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Analog chess clock with second hand - when is time up?

I recently purchased an analog chess clock. That is, although battery powered, it has two normal clock faces, including the red flags, but also including red second hands. The second hands can be set ...
3 votes
2 answers
102 views

I do not see how to set the required number of moves in the first time control in the "delay" options with DGT-NA

In the "Increment" manual setup, it seems there is a way to set the required # moves for the first time control, when there is more than one time control. I do not see the same functionality ...
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13 votes
5 answers
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When should I introduce chess clock to a child?

My five-year-old daughter has learnt the rules of chess and is able to play complete games by herself. I do not have a chess clock and she has never used one. I am wondering if I should let her start ...
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3 votes
1 answer
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Are Bronstein delay and simple (US) delay really equivalent?

I have a question regarding delay in time controls. I've seen this thread and it doesn't address my doubt. Let's consider an example from the beginning of a game, to show how simple and Bronstein ...
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8 votes
2 answers
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I didn't notice that my opponent forgot to press the clock and made my move. What should I do?

My opponent made a move but didn't press the clock. I didn't notice, so I made my move and then realised that the clock is already pressed. Am I allowed, under FIDE rules, to press the clock two times:...
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Chess clock non-functional in ongoing game [duplicate]

I would like to know what happens to a game, according to FIDE rules, in the case of a clock becomeing non-functional during ongoing game. Is the chess game abandoned and declared a draw match? Is the ...
9 votes
1 answer
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Chess Clock as Birthday Gift Advice

My boyfriend has an old beige/white Chronos II that needs repair. I've decided that perhaps purchasing a new clock for his birthday would be a better idea than my original idea (a chess coffee table ...
4 votes
1 answer
542 views

Is there a web version of a chess clock for mobile phones without (distracting) advertisements?

I am looking for a very simple Chess Clock (simple design - see picture) to use from the phone browser WITHOUT having to download an app. I already know apps who have this I am looking for a web ...
9 votes
2 answers
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 ...
3 votes
1 answer
284 views

Now that FIDE has just announced BIDDING winners to be the official FIDE clock does that mean we have to buy those to play in their tournaments?

It seems odd , except maybe not for FIDE, that they announced the winners who BID to be the official clock. Now they they have selected them do we need to buy those to play in FIDE tournaments? ...
2 votes
1 answer
113 views

How often does FIDE review clocks to update their approved list?

The approved list seems to be rather old: 5.5. The electronic chess clocks endorsed by the FIDE 5.5.1. DGT XL (year 2007) 5.5.2. DGT 2010 (year 2010) 5.5.3. Silver Timer (year 2007) 5.5.4. Sistemco (...
2 votes
2 answers
755 views

Where is the list of FIDE approved clocks?

I see many sellers selling dozens of clocks that claim to be FIDE certified/approved. Reading FIDE info I see what is required, and it mentions approved clocks, but I cannot find an actual list of ...
5 votes
3 answers
166 views

What are some non-functional features of a chess clock that would help choose the best for ones use?

All chess clocks time the match. Some just time, some add delays, some add on, and other have variations for TIMING. What else might be a factor in deciding to buy a clock that is primarily for ...
1 vote
1 answer
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Is there a list of ALL features that are available on some chess clock?

Is there a list of all features that are available on some chess clock? I played speed chess last week and somebody had an old clock with features I had never heard of before. So add, delay, both, ...
19 votes
2 answers
3k views

What should a player do in blitz if he knocks a piece on to the floor after pressing the clock?

This question is prompted by an incident in today's World Blitz championship in Moscow as described and shown in this tweet. What happened was that Nakamura made a move, pressed the clock, on the way ...
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2 votes
2 answers
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What is a DGT 2010 Limited Edition chess clock worth?

I have a DGT 2010 Limited Edition chess clock (red version from 2013) and I want to know the market value. I can't find any listings for it on ebay or chess shop websites, other than old pages from ...
2 votes
1 answer
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Who won the FIDE Chess Clock Contract Bidding?

It should have been announced on September 23. But still, nothing on the FIDE website has appeared. Does anyone know who won in all 3 categories?
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1 answer
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Bonus added at move zero

Is the bonus time added before the game starts, that is before the first move? I play in a competition that has a time control of 1 hour 40 minutes +30 seconds per move. If I set the chess clock to ...
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1 vote
1 answer
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Is it possible for a clock to show less than 30 seconds for a player in a game with a 30-second increment?

Is it possible for a clock to show less than 30 seconds for a player in a game with a 30-second increment when it is his opponent's turn? My answer: Even if one player has only 1 second on his ...
17 votes
1 answer
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When does a chess clock start?

Lichess.org starts the clock of each player after their first move. Chess.com starts the clock when the players agree to a match, before their first move. I think Lichess is correct, that's what we ...
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7 votes
3 answers
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How do delay and increment work, exactly?

I am trying to program my own chess clock and would like it to be as accurate as possible. Suppose 2 players, player A and player B, are playing a 15 minute game with a 2 second delay. Suppose A is ...
18 votes
1 answer
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Is it legal to hit the clock with piece, captured or otherwise?

I have often seen in blitz games that when a player captures a piece and then hits the clock with the piece. Is that a legal move or is the player required to place it on the table and hit the clock ...
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1 answer
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What happens when both players are out of time in Blitz?

What are the rules when the clock for both players has reached 0? Are these rules different for digital clocks (where the clock shows who was the first player to flag) and analog clock where it might ...
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14 votes
5 answers
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What is the result? (Rules + puzzle)

[EDITED to include followup - EDIT 2 to include definition of position] This is in part a genuine question on the FIDE Laws of Chess, and in part a small puzzle to solve. Suppose that during a long ...
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4 votes
1 answer
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What is the Bronstein (delay) equivalent of Fischer time control of game in 90 plus 30 second increment for FIDE rating?

The FIDE Rating Regulations say For a game to be rated each player must have the following minimum periods in which to complete all the moves, assuming the game lasts 60 moves. Where at least ...
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2 votes
1 answer
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LEAP PQ9912 Chess Timer - count up option

The advertisements for this clock say that it has a pre-set count up feature, but I cannot find it, nor does the instruction manual say anything about it. Does anyone know if this clock has a count up ...
3 votes
1 answer
147 views

Does the Chronos GX have a count up setting?

I've had the Chronos GX for a while now. However, I don't use it much anymore because I need a count up setting. In other words, I'd like it to start at 0 and have it count up as time is spent. The ...
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1 vote
1 answer
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Origin of Blitz

For some time now, blitz (in any of various formats) has been a very popular format of chess. It is obvious that in order to play blitz you need to have a chess clock and these have been around for ...
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5 votes
5 answers
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Soundless chess clocks

We are trying to organize chess event but the restaurants and coffee shops we asked complain that the sound made by pressing the chess clocks might disturb people. We could organize the event in a ...
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4 votes
1 answer
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clock simultaneous exhibition

In a clock simultaneous exhibition, would the exhibitor normally be given extra time to compensate for his/her walking time from board to board? The question was prompted by a scene in a movie (the "...
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8 votes
2 answers
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How many times should I let my opponent know they forgot to press their clock?

I've had this question on my mind for a while, and I searched around and found a previous question (Should you let your opponent know if they have forgotten to press their clock?) that touched on the ...
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1 vote
1 answer
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Chess Clock App that does not pause when put in the background?

I am looking to track how much time I spent "working" and "not working". I would like to use a chess clock for this. When I go away from my desk, I hit the player 1's timer, and ...
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0 votes
3 answers
187 views

Timer expired suggestions

I am developing a computer based game. I am aware some of different official timer expiration rules. But I want to make the following simple rule when the timer expired. After player one has made a ...
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19 votes
4 answers
9k views

Pressing the clock using the same hand you use to move the pieces

I participated in a club and went to training. The guy who played against me is right-handed, so he placed the clock on the right. I'm left-handed, so I play with the left hand and press the clock ...
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3 votes
1 answer
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Is it possible to setup DGT Easy+ Gametimer for a 75' for first 30 moves, and 15' for the rest of the game?

In the local chess club of which I recently became member we typically play games with time control described in the title. DGT's manuals are terrible so I do not know which DGT clock supports this ...
2 votes
2 answers
219 views

Opening a chess club

Beside the chess sets and clocks, what materials are needed? I took care of the place, I'm talking about chess materials needed. Now lets talk about the materials, I would like to buy them this week, ...
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2 votes
3 answers
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What are the standard time controls for live chess (non-OTB and non-correspondence) on every chess websites?

I'm trying to establish what are the most common time controls for live chess (non-OTB and non-correspondence chess) on every chess websites. And so I need to know what are the standard time controls ...
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13 votes
5 answers
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Hitting the clock without moving

In an official blitz game, what happens if a player hits a chess clock without making a move? I believe that making an illegal move in a blitz game is an automatic loss. But does this count as an ...
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9 votes
3 answers
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Bronstein timing vs. Simple Delay, Is there a formal definition of Bronstein Timing that specifies whether the increment should be added initially?

There seems to be some controversy on whether there is really any practical difference between Bronstein timing and Simple Delay timing. By "Bronstein" and "Simple Delay" I'm referring to the timing ...
8 votes
4 answers
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Do chess clocks typically provide count up features?

I've decided to purchase a chess clock for productivity at work, and I really like the dual display of the chess clock: one timer for work, another timer for fooling around. However, I'd like to know, ...
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26 votes
3 answers
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Should you let your opponent know if they have forgotten to press their clock?

I'm in two minds here. The good sportsman says you should always let your opponent know (maybe limited to once per game). The more hard-nosed part of me says that managing the clock is part of the ...
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4 votes
2 answers
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Where can I get a reliable and user-friendly, but not extravagant, chess clock?

I'm looking for a reliable and user-friendly chess clock, but I don't want to spend $50 (under $25 would be preferable). I'm not sure whether analog or digital would be better for me - so one ...
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7 votes
6 answers
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Does it ever make sense to stall for time?

The game clock is used to prevent players from overly delaying the game (the keywords being "overly delaying the game"). Are there times in a timed game that stalling one's own development of the ...
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10 votes
2 answers
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Is a DGT Bluetooth Wireless e-Board stable enough to use regularly?

I am considering purchasing a DGT Bluetooth Wireless E-Board for my school's chess club for exhibition games to be broadcast to a room without having everyone hovering over the board. Are these ...
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14 votes
2 answers
827 views

Delay clock with delay not set

Over the past few years of tournament play, I've seen three games where the delay was not enabled on a digital clock. In all of these cases, the clock was a Chronos set to display HH:MM until the ...
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