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Individual Calculations July 2009 |
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| Costa, Alain Total change: -4.30 | |   |
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| Tournoi Vallee du Golo 2009 | Morosaglia | FRA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1528 | 1.00 | 4 | 0.23 | 25 | 5.75 | |
|  Pieri, Pierre-Louis | | | 1840 | FRA | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Szymanski, Piotr | | | 1878 | FRA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Bedini, Noel | | | 1698 | FRA | 1.00 | 1 | 0.72 | 25 | 18.00 | |  Costa, Elodie | | | 1734 | FRA | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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) | | | NOTE: K factor changed | | 6e Open International de Balagne | Calvi | FRA | 2009-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1535 | 0.50 | 5 | -0.45 | 15 | -6.75 | |
| | Battesti, Saveriu | | | 1885 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | De Graaf, Arnoud | | | 1758 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Balducchi, Francois | | | 1737 | FRA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Gossart, Gerard | | | 1720 | FRA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Luciani, Thibault | | | 1864 | FRA | 0.50 | 1 | 0.38 | 15 | 5.70 | |
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) | | | NOTE: K factor changed | | Corse R3-4 | CRS | FRA | 2009-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1535 | 0.00 | 1 | -0.22 | 15 | -3.30 | |
| | Leibenguth, Jean | | | 1752 | FRA | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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