All Questions
Tagged with mathematics statistics
13
questions
4
votes
1
answer
238
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Ecological footprint of chess
Chess must be a very "green" sport, the resource demand is minimal.
But then, lately online chess is in vogue, and servers eat amps.
Any estimation how much energy online chess is consuming ...
- 16.8k
-1
votes
1
answer
116
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Non-linearity in Armageddon bidding: Ostensibly, you give up more time in higher time control
Note: In the ff I assume everyone bids for black, not white.
In blitz (below 10min) :
I see often there's a 5min vs 4min predetermined time. No idea if this is fair, but let's pretend arguendo players ...
- 2,172
1
vote
2
answers
277
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Is armageddon more fair in a Vickrey auction?
I believe armageddon is fair only if they bid, but just because they bid doesn't mean it's fair, i.e. bidding is necessary but not sufficient to be fair.
Which side has the advantage in an Armageddon ...
- 2,172
-1
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1
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135
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Is Armageddon always without increment?
Robert Hess said tells Danya that no increment influences why Robert prefers white to black in Armageddon chess960. Of course it really depends on the bid, but I guess Robert would want a lower bid ...
- 2,172
1
vote
2
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143
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Is armageddon more fair if bids aren't 1-time only?
As pointed out by GeneM here
Armageddon Chess is a fair tie-break system only if the two players bid for how much time Black should have.
Question: But is it actually more fair if the bids are the ...
- 2,172
12
votes
3
answers
1k
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How often do Super GMs achieve 100% engine correlation?
There has been speculation that anomalous values of a correlation metric1 may hint to the use of outside assistance.
Example
Examination of Hans Niemann vs Matthieu Cornette surprises:
Hikaru Nakamura:...
- 2,127
-1
votes
1
answer
480
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What is white's increased advantage in chess90 as compared to chess870? (Chess960 can be split into 2 subsets, chess90 and chess870)
Here, it is shown 90 of 960 positions involve having to move a rook on 1 side in order to castle on the other side (unless the rook is somehow captured or something). These 90 positions come from 18 ...
- 2,172
4
votes
1
answer
408
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Rating system (glicko, elo, etc): is 'predict the outcome of games' the same thing as 'reduce the number of upsets'?
From Lichess page 'Chess rating systems':
Question:
Which rating system is best?
Answer:
The purpose of rating systems is to predict the outcome of games. Therefore, they can be objectively better ...
- 2,172
4
votes
1
answer
395
views
Number of games ever played in history?
Obviously, an exact answer can't be given, but we can't count all electrons in the universe either and physicists still gave an answer probably correct by an order of magnitude.
Let's specify: Only ...
- 16.8k
7
votes
1
answer
964
views
Relation between ratings for Chess960 and standard chess
Is there any relation or any attempt at discovering a relation between Chess960 ratings and standard chess ratings? This can be for GMs, for (any)M's, for pro players, or for all players on lichess/...
- 2,172
12
votes
3
answers
4k
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What is the average number of legal moves per turn?
For example in the first turn there are 20 possible legal moves (16 pawn moves and 4 knights moves). This number increases in the middlegame and then decreases in the Endgame.
Are there some ...
- 2,003
2
votes
1
answer
858
views
What's the average piece density?
In a position, the piece density is equal to the total number of pieces on the board (Whites pieces + Black pieces) divided by the total number of squares (64).
At the beginning of every game, the ...
- 4,894
3
votes
1
answer
1k
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How many positions are there in n-pieces endgame tablebases for different values of n? [duplicate]
Note that I don't want the exact values, I only need approximations. And I am only interested in small values of n (not more than 12).
- 4,894