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Individual Calculations October 2021 |
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| Abbate, Giovanni Total change: -43.80 | |   |
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| WE Lucca chess festival - C | Lucca | ITA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1611 | 1.50 | 4 | -0.68 | 20 | -13.60 | |
|  Mattia, Alessandro | | | 1497 | ITA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Di Maulo, Chiara | | | 1506 | ITA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Giorgi, Ezio Alberto | | | 1682 | ITA | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Casale, Anania | | | 1626 | ITA | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | CIS 2021 - Serie Promozione Liguria Girone 2 | Recco | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1611 | 1.00 | 4 | -1.51 | 20 | -30.20 | |
| | Bechelli, Gregorio | | | 1623 | ITA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Catalani, Dario | | | 1211 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wintour, Thomas | | | 1650 | ITA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Gnetti, Pietro | | | 1490 | ITA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * 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) | | |
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