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Individual Calculations February 2023 |
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| Ortolani, Paolo Total change: -19.20 | |   |
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| Coulsdon Chess Dicky White - December | London | ENG | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1531 | 0.50 | 1 | 0.21 | 20 | 4.20 | |
|  Heavens, Alan F | | | 1688 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | One day - A | Empoli | ITA | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1548 | 1.00 | 5 | -1.17 | 20 | -23.40 | |
| | Mattia, Alessandro | | | 1660 | ITA | 0.00 | 1 | -0.35 | 20 | -7.00 | |  Colombini, Lucio | | | 1659 | ITA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Monatti, Patrizio | | | 1511 | ITA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Cutini, Marco Vinicio | | | 1564 | ITA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Politi, Ennio | | | 1592 | ITA | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | |
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