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Individual Calculations May 2012 |
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| Costa, Serge Total change: -6.45 | |   |
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| Nationale Interclubs 2011-2012 | Various | BEL | 2011-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1964 | 3.50 | 5 | -0.43 | 15 | -6.45 | |
|  Pieroni, Severino | | | 1684 | BEL | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Godart, Michel | | | 1734 | BEL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Gillot, Florent | | | 1659 | BEL | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Majewski, Philippe | | | 1854 | BEL | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Lion, Maurice | | | 1736 | BEL | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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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