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Individual Calculations September 2011 |
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| Ribeiro, Sergio Mario Da Silva Total change: -12.75 | |   |
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| VI Open Internacional Cidade de Espinho - sub-1900 | Espinho | POR | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1784 | 2.50 | 4 | -0.85 | 15 | -12.75 | |
|  Dias, Carlos Manuel | | | 1384 * | POR | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Marinho, Antonio Pedro | | | 1447 | POR | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Bastos, Ana Raquel Da Costa | | | 1552 | POR | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Valente, Joao Nuno Baptista | | | 1582 | POR | 0.00 | 1 | -0.76 | 15 | -11.40 | | | * 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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