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Individual Calculations January 2021 |
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| Vannelli, Vittorio Total change: -52.00 | |   |
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| OP Inverno 2020 | Roma | ITA | 2020-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1616 | 1.00 | 5 | -0.70 | 20 | -14.00 | |
|  Gromovs, Sergejs | f | | 2016 * | ITA | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Fiorentino, Vincenzo | | | 1675 | ITA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Stirpe, Claudio | | | 1983 | ITA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Macchini, Bruno | | | 1866 | ITA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Glover, Sharon | | | 1236 | ITA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | * 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) | | | | WE 20 Grand Hotel Adriatico - B | Montesilvano | ITA | 2020-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1616 | 0.50 | 4 | -1.90 | 20 | -38.00 | |
| | Carretta, Nunzio | | | 1755 | ITA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Pulsone, Marco | | | 1409 | ITA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Desideri, Enrico | | | 1544 | ITA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Di Cerbo, Alfredo | | | 1452 | ITA | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | |
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