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Unlimited Games How should Red play 21?
Normally in this type of the position making the 5-pt with 7/5, 6/5 would be very strong but here there is very significant duplication of fours with 13/11, 6/5. So much so that making the 5-pt is very nearly a blunder.
13/10 is way too passive so 13/11, 6/5 wins by a distance.