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Individual Calculations November 2009 |
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| Rombaldoni, Brian Total change: -26.10 | |   |
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| Campionato Italiano under 20 | Bratto | ITA | 2009-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1831 | 3.50 | 8 | 0.55 | 15 | 8.25 | |
|  Codenotti, Marco | | | 2117 | ITA | 0.50 | 1 | 0.34 | 15 | 5.10 | |  De Nardi, Riccardo | | | 2077 | ITA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Stella, Luca | | | 1987 | ITA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Valbusa, Lorenzo | | | 1749 | ITA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Campagnola, Giacomo | | | 1821 | ITA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Mereu, Matteo | | | 1964 | ITA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | De Bortoli, Thomas | | | 1870 | ITA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Coladangelo, Andrea | | | 1885 | ITA | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | European Youth Ch under 16 Open | Fermo | ITA | 2009-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1831 | 0.50 | 6 | -1.26 | 15 | -18.90 | |
| | Pruja Ramirez De Cartagena, Mar | | | 2214 | ESP | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Vandevenne, Sander | | | 2043 | BEL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Stoeri, Simon | | | 1974 | SUI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Kaforos, Dimitrios-Alkis | | | 2209 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Di Trapani, Davide | | | 1883 | ITA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Garcia Perez, Javier | | | 1752 | ESP | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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 Memorial L. Bombelli | Torino | ITA | 2009-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1869 | 0.50 | 3 | -1.03 | 15 | -15.45 | |
| | Xia, Jie | | | 2241 | ITA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Medaglia, Enzo | | | 1733 | ITA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Ravazzolo, Gaia | | | 1675 | ITA | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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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