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Individual Calculations October 2017 |
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| Di Penta, Guido Total change: -18.20 | |   |
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| OP 4 Memorial Gino Serafini - B | Civitanova Marche | ITA | 2017-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1377 | 1.50 | 4 | -0.91 | 20 | -18.20 | |
|  Serpilli, Francesco | | | 1573 | ITA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Marzetti, Andrea | | | 1103 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Battistoni, Marco | | | 1388 | ITA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Campofiloni, Armando | | | 1078 | ITA | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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