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Individual Calculations September 2013 |
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| Marchidan, Costica Total change: -11.55 | |   |
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| Arad Open 2013 | Arad | ROU | 2013-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1823 | 4.00 | 9 | -0.77 | 15 | -11.55 | |
|  Petrisor, Adrian-Marian | m | | 2223 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Alboni, Denis-Dean | | | 1525 | ROU | 0.00 | 1 | -0.85 | 15 | -12.75 | | | Dumitru, Sorin | | | 1466 | ROU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Nedelcu, Cristian | | | 1559 | ROU | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Foisor, Mihaela-Veronica | | wm | 2212 | ROU | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Datcu-Goiceanu, David | | | 1576 | ROU | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Dombi-Marias, Rudolf | | | 1994 | ROU | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Sandor, Attila | | | 1566 | ROU | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Kutnik, Alexandru-Francisc | | | 2129 | ROU | 0.00 | 1 | -0.14 | 15 | -2.10 | | | * 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) | | |
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