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Individual Calculations December 2017 |
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| Petrini, Roberto Total change: 13.60 | |   |
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| WE Citta' di Vignola 2017 - C | Vignola | ITA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1521 | 1348 | 1.50 | 3 | 0.68 | 20 | 13.60 | |
|  Comanzo, Crescenzo | | | 1528 | ITA | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Hodo, Dionis | | | 1567 | ITA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Taddia, Davide | | | 1469 | ITA | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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