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Unlimited Games. How should Red play 42?
When ahead in the race, race. There is only one move here that is not a blunder and that is 24/20, 6/4.
With all those stripped points White will leave plenty of return shots if he makes his 5-pt. Any other move gives White too much control of the board. After 24/20, 6/4 it is an even game.
I would play 6/4 6/2. I think! keep my timing and avoid crunching