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Individual Calculations February 2019 |
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| Parrinello, Flavio Total change: -67.20 | |   |
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| OP Collaterale CP Trapani 2019 | Erice - Marsala | ITA | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1346 | 0.50 | 3 | -1.68 | 40 | -67.20 | |
|  Guirreri, Filippo | | | 1161 | ITA | 0.50 | 1 | -0.24 | 40 | -9.60 | |  Rallo, Federico Antonio | | | 1107 | ITA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Laudicina, Marco | | | 1240 | ITA | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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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