This may be common knowledge here in bridgeland, but it was new to me and I found it of interest: http://ift.tt/1CWswmc
TLDW: Human shufflers tend to undershuffle. In bridge, this makes for a flatter suit distribution - i.e. fewer concentrations of a single suit sent to a single player - than would be expected from actually fully-randomizing the deck each time. When computerized shuffling was introduced into tournaments, experts had to adjust their play to the new :qunq:correct:qunq: environment.
TLDW: Human shufflers tend to undershuffle. In bridge, this makes for a flatter suit distribution - i.e. fewer concentrations of a single suit sent to a single player - than would be expected from actually fully-randomizing the deck each time. When computerized shuffling was introduced into tournaments, experts had to adjust their play to the new :qunq:correct:qunq: environment.
Video: Mathematics of imperfect shuffling and its application to bridge
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