The longest possible bidding auction in the game of bridge is shown below in its entirety.
All possible bids and calls have been entered.
The total number of bids and calls possible in one auction totals 319.

Note: The original presentation of the longest possible bridge auction contained an unforgivable error. On November 28, 2011, this error has been corrected by Mr. Pavel Stříž from the independent Faculty of Management and Economics with headquaters in Zlín, which is a city in the Zlín Region, southeastern Moravia, Czech Republic, which is located on the Dřevnice River. The faculty is one of the six faculties under the Tomas Bata University in Zlín.

This exercise is only for amusement and also because it was a question
in a national newspaper Challenging Contest competition.

Hence, if a bridge player requires 5 seconds to make a bid or call, then an
auction of 319 bids or calls would take exactly 1,595 seconds.
This number equals exacly 26 minutes and 35 seconds.

North       East       South       West    
Pass       Pass       Pass       1   1
Pass       Pass       Double       Pass   2
Pass       Redouble       Pass       Pass   3
1       Pass       Pass       Double   4
Pass       Pass       Redouble       Pass   5
Pass       1       Pass       Pass   6
Double       Pass       Pass       Redouble   7
Pass       Pass       1       Pass   8
Pass       Double       Pass       Pass   9
Redouble       Pass       Pass       1 NT   10
Pass       Pass       Double       Pass   11
Pass       Redouble       Pass       Pass   12
2       Pass       Pass       Double   13
Pass       Pass       Redouble       Pass   14
Pass       2       Pass       Pass   15
Double       Pass       Pass       Redouble   16
Pass       Pass       2       Pass   17
Pass       Double       Pass       Pass   18
Redouble       Pass       Pass       2   19
Pass       Pass       Double       Pass   20
Pass       Redouble       Pass       Pass   21
2 NT       Pass       Pass       Double   22
Pass       Pass       Redouble       Pass   23
Pass       3       Pass       Pass   24
Double       Pass       Pass       Redouble   25
Pass       Pass       3       Pass   26
Pass       Double       Pass       Pass   27
Redouble       Pass       Pass       3   28
Pass       Pass       Double       Pass   29
Pass       Redouble       Pass       Pass   30
3       Pass       Pass       Double   31
Pass       Pass       Redouble       Pass   32
Pass       3 NT       Pass       Pass   33
Double       Pass       Pass       Redouble   34
Pass       Pass       4       Pass   35
Pass       Double       Pass       Pass   36
Redouble       Pass       Pass       4   37
Pass       Pass       Double       Pass   38
Pass       Redouble       Pass       Pass   39
4       Pass       Pass       Double   40
Pass       Pass       Redouble       Pass   41
Pass       4       Pass       Pass   42
Double       Pass       Pass       Redouble   43
Pass       Pass       4 NT       Pass   44
Pass       Double       Pass       Pass   45
Redouble       Pass       Pass       5   46
Pass       Pass       Double       Pass   47
Pass       Redouble       Pass       Pass   48
5       Pass       Pass       Double   49
Pass       Pass       Redouble       Pass   50
Pass       5       Pass       Pass   51
Double       Pass       Pass       Redouble   52
Pass       Pass       5       Pass   53
Pass       Double       Pass       Pass   54
Redouble       Pass       Pass       5 NT   55
Pass       Pass       Double       Pass   56
Pass       Redouble       Pass       Pass   57
6       Pass       Pass       Double   58
Pass       Pass       Redouble       Pass   59
Pass       6       Pass       Pass   60
Double       Pass       Pass       Redouble   61
Pass       Pass       6       Pass   62
Pass       Double       Pass       Pass   63
Redouble       Pass       Pass       6   64
Pass       Pass       Double       Pass   65
Pass       Redouble       Pass       Pass   66
6 NT       Pass       Pass       Double   67
Pass       Pass       Redouble       Pass   68
Pass       7       Pass       Pass   69
Double       Pass       Pass       Redouble   70
Pass       Pass       7       Pass   71
Pass       Double       Pass       Pass   72
Redouble       Pass       Pass       7   73
Pass       Pass       Double       Pass   74
Pass       Redouble       Pass       Pass   75
7       Pass       Pass       Double   76
Pass       Pass       Redouble       Pass   77
Pass       7 NT       Pass       Pass   78
Double       Pass       Pass       Redouble   79
Pass       Pass       Pass            
                             

 


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