The Ref Stop

Tossing of the Coin

The Ref Stop
Where I am everyone expects the football toss to land on the ground. 80% plus matches on artificial. Never had or seen a side landing.

In futsal, everyone expects in the palm or back of hand. Yes, I have seen someone let it fall and it roll away.

I think it is more professional to let it fall. In a big toss moment (stop sniggering at the back) like choice of ends at a shoot out, you don’t want any possibility of an accusation of sleight of hand or any chance you muff the catch.
 
I'm a lander :D But I use a coloured pokerchip style "coin" not a monetary one so it's completely obvious which side-up it landed. Confirm who kicks, shake hands, then grab it, prod RefSix and retreat
 
Brian Hamilton said:
It's not entirely randomised. The introduction of any other act than the flip and the land can see an element of bias being introduced. Then again if truth be told, so can the different techniques used to flip the coin, the duration of the drop, the surface they land on, the wind direction and strength.

I teach probability to GCSE level.
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This is wrong. Unless you're deliberately trying to manipulate it, it's true that there are a lot of factors that determine the outcome, none of them affect the probability of the outcome. The physical characteristics of the coin might, but catching vs letting it fall do not.

The reason why some people say don't catch it in one palm and flip it to the back of the other hand is that it might be possible for the player to see the face while it's in your palm.
 
Trip said:
The reason why some people say don't catch it in one palm and flip it to the back of the other hand is that it might be possible for the player to see the face while it's in your palm.
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As someone who does the catch and flip, I imagine it could also come across - to captains that don’t know your flipping habits - that you are deliberately flipping it to heads after seeing it is tails (for example) as an act of bias. Or at least these are the ludicrous thoughts that have entered my mind anyway.

Perhaps I need to change for 24/25 for my sanity! No one has complained after 450 or so matches though
 
Trip said:
This is wrong. Unless you're deliberately trying to manipulate it, it's true that there are a lot of factors that determine the outcome, none of them affect the probability of the outcome. The physical characteristics of the coin might, but catching vs letting it fall do not.

The reason why some people say don't catch it in one palm and flip it to the back of the other hand is that it might be possible for the player to see the face while it's in your palm.
Click to expand...
Brian Hamilton said:
It's not entirely randomised. The introduction of any other act than the flip and the land can see an element of bias being introduced. Then again if truth be told, so can the different techniques used to flip the coin, the duration of the drop, the surface they land on, the wind direction and strength.

I teach probability to GCSE level.
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Agree with @Trip on this

I teach probability to A level ;)

(Rock, paper, scissors, however, is not random. On the very rare occasions I have forgotten my coin, I start my stopwatch and ask a captain to call odds or evens. I then stop the stopwatch and look to see if the seconds are an even or odd number. )
 
Nice to see the Spanish referee bucking the trend tonight. 😀
Deft flick onto his outstretched palm and then onto the back of his hand to reveal.
Bravo Signor! A proper coin toss if you will. :)👍
 
Actually, my mistake. I believe he may be Argentinian.
Bet he talks Spanish though ... ;) :D
 
RefJef said:
(Rock, paper, scissors, however, is not random. )
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I would be interested to hear the explanation for this. I can see there might be cheating by waiting to see what your opponent does before revealing your choice, but other than that, how does rock, paper scissors not give you a 50% chance of winning?
 
This Argentine ref might have pleased me with his traditional coin toss method but his over use of the whistle is becoming tiresome... :hmmm:
 
Trip said:
I would be interested to hear the explanation for this. I can see there might be cheating by waiting to see what your opponent does before revealing your choice, but other than that, how does rock, paper scissors not give you a 50% chance of winning?
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Trying to read cues of your opponent and guessing what they are more likely to play.
 
Trip said:
I would be interested to hear the explanation for this. I can see there might be cheating by waiting to see what your opponent does before revealing your choice, but other than that, how does rock, paper scissors not give you a 50% chance of winning?
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Possibility of a draw...
Coin toss is a or b, rock paper scissors can be any combination of 2 of a b or c.
Both competitors choose to play one of the 3 rather than 1 selection by 1 participant in the toss with no choice but a guess.
If you do best of 3 you can spot patter and trends in your opponent. Can't do that with a coin.
 
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