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Individual Calculations January 2019 |
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| Pietrac, Christian Total change: 23.40 | |   |
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| Open 13 Samedi 2018-19 r1-4 | VITROLLES | FRA | 2018-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1256 | 2.00 | 4 | 1.17 | 20 | 23.40 | |
|  Deregnaucourt, Yves | | | 1645 | FRA | 0.50 | 1 | 0.41 | 20 | 8.20 | |  Biglia, Michel | | | 1232 | FRA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Ganier, Philippe | | | 1606 | FRA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Blanc, Michel | | | 1615 | FRA | 0.50 | 1 | 0.40 | 20 | 8.00 | |
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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