CHSH Game
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True
False
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Game Rules
▼
Discuss and agree on a shared strategy before the game starts.
No
communicate during the game.
Watch the dashboard to see your teams' progress.
Focus on
consistency
rather than
randomness
.
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Winning Conditions
▼
🎯 Best Balanced ⏐⟨Tr⟩⏐ (Consistency):
If you and your partner are asked the
same question
(A/A, B/B, X/X, or Y/Y), aim to give the
same answer
(True/True or False/False).
To achieve balance, your answers should be
50% True
and
50% False
.
The score is computed as:
⟨Tr⟩ = Trace / 4
: ±1 if teammates always agree, 0 if always disagree.
Balance
= 1 if your answers are evenly split between True and False, 0 if always the same.
Final score
:
Balanced |⟨Tr⟩| = 0.5 × (Balance + |⟨Tr⟩|)
🏆 Best CHSH (Correlation):
If one of you receives
B
and the other
Y
, you should try to give
different answers
(one True, one False).
For all other question combinations, you should give the
same answer
as much as possible.
The maximum possible value for CHSH is 4
Session ID: