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Individual Calculations September 2023 |
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| Grammatico, Sergio Total change: -11.20 | |   |
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| OP 51 Settimanale Scacco matto | Marsala | ITA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1517 | 1.00 | 3 | -0.28 | 40 | -11.20 | |
|  Montalto, Davide | | | 1836 | ITA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Giannone, Edoardo | | | 1117 * | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mattarella, Pietro | | | 1729 | ITA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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