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Individual Calculations October 2021 |
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| Buffoni, Luca Total change: 28.60 | |   |
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| WE 23 Lazio Scacchi - A | Roma | ITA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1768 | 3.00 | 5 | 0.37 | 20 | 7.40 | |
|  Carmignato, Mario | | | 1368 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Agostini, Maurizio | | | 1863 | ITA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Vannelli, Vittorio | | | 1490 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Taurisano, Vincenzo | | | 1816 | ITA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | D Antonio, Neri | | | 2168 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | CIS 2021 - Serie C Girone 24 | Roma | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1768 | 2.50 | 3 | 1.06 | 20 | 21.20 | |
| | Petricca, Pier Vincenzo | | | 1755 | ITA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Peccheneda, Ezio | | | 1714 | ITA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Vaccaro, Maurizio | | | 1889 | ITA | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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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