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Individual Calculations October 2021 |
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| Costa, Fabrizio Total change: -22.80 | |   |
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| WE Lucca chess festival - D | Lucca | ITA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1119 | 1261 | 1.50 | 3 | -0.57 | 40 | -22.80 | |
|  Panella, Edoardo | | | 1131 | ITA | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Giusti, Andrea | | | 1155 | ITA | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Lazzareschi, Giovanni Angelo | | | 1070 | ITA | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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