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Individual Calculations May 2011 |
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| Silva, Helio Joao Oliveira Total change: -3.75 | |   |
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| CNE 3 divisao - serie A | several | POR | 2010-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1485 | 1.00 | 4 | -0.24 | 15 | -3.60 | |
|  Vale, Paulo | | | 1775 | POR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Martins, David Pires Tavares | | | 1885 * | POR | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Viana, Eduardo Escudeiro | | | 1679 | POR | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Costa, Andre | | | 1293 | POR | 0.00 | 1 | -0.75 | 15 | -11.25 | | | * 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) | | | | Distrital de Braga - prel. Didaxis | Famalicao | POR | 2011-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1480 | 1484 | 2.00 | 4 | -0.01 | 15 | -0.15 | |
| | Cruz, Joao Filipe | | | 1628 | POR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Barreira, Rui Filipe Da Silva | | | 1278 | POR | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Dias, Ivo Rodrigues | | | 1631 | POR | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Dias, Carlos Manuel | | | 1384 | POR | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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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