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Individual Calculations January 2023 |
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| Petruzzo, Vincenzo Total change: 70.80 | |   |
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| OP Collaterale CR Molise 2023 | Venafro | ITA | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1333 | 3.50 | 5 | 1.48 | 40 | 59.20 | |
|  Filannino, Ruggiero | | | 1563 | ITA | 0.50 | 1 | 0.29 | 40 | 11.60 | |  Tangredi, Francesco | | | 1119 | ITA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Sorbo, Stefano | | | 1429 | ITA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Tammaro, Michelangelo | | | 1510 | ITA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Slobodyan, Arseniy | | | 1407 | ITA | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | | CIG 2023 - Cerignola U16-18 | Cerignola | ITA | 2022-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1333 | 1.50 | 3 | 0.29 | 40 | 11.60 | |
| | Lauriero, Giovanni | | | 1241 | ITA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Chieppa, Giuseppe | | | 1416 | ITA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Vulpio, Martin | | | 1586 | ITA | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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