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Individual Calculations January 2009 |
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| Costin, Petrica Total change: -3.30 | |   |
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| Romanian National Team Championship - league B, 3rd group | Satu Mare | ROU | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1953 | 1.00 | 2 | -0.22 | 15 | -3.30 | |
|  Szilagyi, Sandor | | | 1693 | ROU | 1.00 | 1 | 0.18 | 15 | 2.70 | |  Neagos, Raul-Alexandru | | | 2029 | ROU | 0.00 | 1 | -0.40 | 15 | -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) | | |
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