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Individual Calculations December 2015 |
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| Pettersen, Joran Sten Total change: 18.40 | |   |
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| Porsgrunn hostturnering 2015 | Porsgrunn | NOR | 2015-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1775 | 3.00 | 3 | 0.92 | 20 | 18.40 | |
|  Lorentzen, Jan Ove | | | 1682 | NOR | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Petterson, Tor | | | 1544 | NOR | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Ziegler, Lars | | | 1657 | NOR | 1.00 | 1 | 0.34 | 20 | 6.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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