Appendix K: Danubian Variation of the Dubov System
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7.2 If the number of players of the score group is odd,
a player from the next possible lower score group
shall be transferred to the score group to be paired,
who has not yet played with at least one of the
players of the higher score group and is allowed to be
paired according to the color allocation rules.
This player to be transferred should fulfil the
following requirements with descending order of
priority:
• Their due color is opposite to the dominating due
color of the higher score group.
• If there is a choice, then the player with the
highest R is to be transferred.
• If there is more than one player with the same R,
the one with the lowest ARO will be transferred.
7.2 (new) If the number of players of the score group
is odd, a player from the next possible lower score
group shall be transferred.
The transferred player should fulfil the following
requirements with descending order of priority:
• The player should have at least one
compatible opponent in the higher score
group.
• The player’s due color is opposite to the
dominating due color of the higher score
group.
• If there is a choice, the player with the highest
R is to be transferred.
• If there is more than one player having the
same R then the one with the lowest ARO will
be transferred.
The opponent of the transferred player should fulfil
the following requirements with descending order of
priority:
• Their due color is that of the dominating due
color of the score group.
• If there is a choice, they have the lowest R.
• If there is more than one player with the same
R, the chosen opponent is the one with the
lowest ARO.
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