- equalising the numbers of black and white games played before- alternating the colors of both players regarding the first difference of their color history going back from the previous round to the first round- assigning white to the player with the higher ARO- assigning white to the player with the lower R.
4. Odd number of players at the tournament.
The player from the lowest score group, who has the lowest R will get the bye. If there are players with the lowest R in both the color subgroups, then the player to get the bye must be due to the dominating color and in case there are several players with equal R, the player to get the bye must have the higher ARO.
5. Pairing for the first round.
The player ' s list calculated before is divided into two equal parts: The players from the upper part of the list are placed on the left and those from the lower part, on the right. The first player from the left-hand list plays the first player from the right-hand list, the second plays the second, etc. After that, the color of the pieces is determined by drawing lots for one of the pairs, for example, for the first pair. In such a case, all odd-numbered pairs have the same colors as the first pair, whereas all even-numbered pairs have the other color.
If the number of the players is odd, the last player in the list gets the bye having no color. This pairing procedure leads to identical results as the procedures used within the other FIDE Swiss Systems.
6. The standard pairing procedure for the remaining rounds.
6.1 Standard requirement( Special cases see below chapter 7): The number of players having the same score is even and the number of players with due color white and black is the same. Each player in the score group has at least one possible opponent in the score group.
6.2 First attempt The players who should play with the white pieces are arranged in order of increasing ARO, the ARO being the same the player with the lower R is placed higher. If ARO and R coincide completely, the players are to be placed alphabetically. The players who should play the black pieces are arranged in order of decreasing R, if R is the same, the player with the higher ARO is placed higher. If ARO and R coincide completely, the players are to be placed alphabetically. Two columns of numbers are written down, thereby arranging the pairs. For example: White( ARO) Black( R) 2310.0 2380 2318.4 2365 2322.3 2300 2333.7 2280 2340.5 2260 2344.6 2250 The names of the players are then written down, and only one fact is checked- whether the players have not played their opponents before.
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