Pairing

 
Our collection of Pairing information tries to explain some of the common questions about pairings as well as explain special cases.  In addition, information about how the club uses pairing software is documented.

Number of Rounds, number of players

Link General explanation of the effect of the number of players and rounds for Swiss events.

Explanations of Accelerated Pairings.

Link From the 4th Edition of the USCF Rule book (Pre 2003 Rule Changes)
Link From the Authors of WinTD pairing software

Examples of specific pairing scenarios

Link Pairing a half point score group after only 1 round of play

Simulated Accelerated Tournaments

Link The SwissSys Tournament Files used for the Simulations below, zipped,.
Link SwissSys pairing program, 4 rounds, 24 Players, No Upsets - Pre 2003 Rule Changes
Link SwissSys pairing program, 4 rounds, 32 Players, No Upsets - Pre 2003 Rule Changes

SwissSys pairing software, used from July 2000 through present.

WinTD pairing software, used from July 1997 through June 2000

Example of How WinTD computes Pairings
MCC WinTD Preferences as of 1999-08-30
MCC WinTD Section settings as of 1999-08-30