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Individual Calculations July 2021 |
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| Marcozzi, Piero Total change: -18.60 | |   |
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| WE 21 Grand Hotel Adriatico - C | Montesilvano | ITA | 2021-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1273 | 0.50 | 2 | -0.46 | 20 | -9.20 | |
|  Serafini, Luigi | | | 1315 | ITA | 0.00 | 1 | -0.44 | 20 | -8.80 | |  Tofu, Marco | | | 1256 | ITA | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | CR Abruzzo 2021 | Roseto degli Abruzzi | ITA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1273 | 1.50 | 4 | -0.47 | 20 | -9.40 | |
| | Antonelli, Alessandro | | | 1673 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Martinelli, Marco | | | 1167 | ITA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Pulsone, Roberto | | | 1099 | ITA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Tofu, Marco | | | 1256 | ITA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | * 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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