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Individual Calculations January 2018 |
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| Roche, Alain Total change: -8.40 | |   |
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| Open 13 Samedi 2017-18 r1-4 | VITROLLES | FRA | 2017-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1330 | 1.50 | 3 | -0.42 | 20 | -8.40 | |
|  Dektiannikov, Artiom | | | 1053 | FRA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Tramarin, Matteo | | | 1160 | FRA | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Morata, Serge | | | 1427 | FRA | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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