Practice
The Crawford Rule
Make the decision yourself. Staged hints, no clocks, and the reasoning after every position.
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CUBE DECISION · DIFFICULTY ···
THE CRAWFORD RULE
64
The cube is still centred.
The Crawford Game
You trail 4-2 in a 5-point match. It is the Crawford game — your opponent cannot double. What does that mean for YOU next game?
SET COMPLETE — YOUR PROGRESS IS REMEMBERED ON THIS DEVICE