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Individual Calculations June 2013 |
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| Messina, Roberta Total change: 21.90 | |   |
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| CIS - 6 Femminile | Bratto | ITA | 2013-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2348 | 1990 | 1.00 | 3 | 0.68 | 15 | 10.20 | |
|  Sedina, Elena | m | wg | 2321 | ITA | 0.50 | 1 | 0.38 | 15 | 5.70 | |  Szczepkowska-Horowska, Karina | | wg | 2360 | POL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Fierro Baquero, Martha | m | wg | 2362 | ECU | 0.50 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | OP 2 della Maremma | Marina di Grosseto | ITA | 2013-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 1998 | 3.50 | 6 | 0.78 | 15 | 11.70 | |
| | Mordini, Stefano | | | 1760 | ITA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Naumkin, Igor | g | | 2398 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Giordani, Roberto | | | 1811 | ITA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Barbafiera, Luigi | | | 1978 | ITA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Fierro Baquero, Martha L. | m | wg | 2362 | ECU | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Tiengo, Davide | | | 2022 | ITA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | * 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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