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Individual Calculations October 2021 |
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| Battaglini, Marco Total change: 33.60 | |   |
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| WE Lucca chess festival - C | Lucca | ITA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1552 | 2.50 | 4 | 0.32 | 40 | 12.80 | |
|  Coppola, Giuseppe | | | 1409 | ITA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Pinarelli, Giuseppe | | | 1648 | ITA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Gimenez Guerrero, Alessio | | | 1525 | ITA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Mattia, Alessandro | | | 1497 | ITA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | CIS 2021 - Serie Promozione Toscana Girone 1 | Poggibonsi | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1552 | 2.00 | 2 | 0.52 | 40 | 20.80 | |
| | Cioni, Mattia Ernesto | | | 1434 | ITA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Pucci, Simone | | | 1285 | ITA | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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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