green if the player can change their due color.
To improve the colors, the user should avoid, or at least minimise, the number of pairs in which
both players have the same due colors. To this end he should exchange those players by using
transposition (exchange between players in the same column) or interchanges (exchange between
players in different columns). To exchange two players the user should press the ID-buttons of the
selected players. Their IDs will appear in right hand side of the window. Just below this appears the
rating difference involved in the exchange.
With the button Exchange Players the user can exchange the players. Vega will inform the user
about the legality of the proposed exchange. If the user needs only to know if the two selected
players are compatible they should press the button Verify Pair.
To accept the new pairing the user should press Done otherwise press Cancel to abandon all the
changes.
NOTE: Some expert USCF TDs prefer to improve the colors themselves after natural pairing.
Vega saves the natural pairing at round N in a file named natpairN.man. This pairing can
first be loaded with the option “Modify Pairing” and then improved using the “Improve
colors” option.
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