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Individual Calculations May 2014 |
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| Petrini, Alberto Total change: -19.80 | |   |
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| OP 17 Memorial Berruto | Nichelino | ITA | 2014-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1888 | 2.50 | 5 | -0.66 | 30 | -19.80 | |
|  Alionte, Stelian | | | 1557 | ITA | 1.00 | 1 | 0.12 | 30 | 3.60 | |  Balagna, Fabrizio | | | 1733 | ITA | 1.00 | 1 | 0.29 | 30 | 8.70 | | | Alaimo, Cristian | | | 1708 | ITA | 0.00 | 1 | -0.74 | 30 | -22.20 | | | Crepaldi, Manuele | | | 1812 | ITA | 0.50 | 1 | -0.10 | 30 | -3.00 | | | D Ingiullo, Roberto | | | 2098 | ITA | 0.00 | 1 | -0.23 | 30 | -6.90 | |
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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