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Individual Calculations February 2018 |
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| Simoes, John William Contreras Total change: 11.20 | |   |
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| Lisbon Christmas Chess Open 2017 | Lisboa | POR | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1970 | 3.00 | 4 | 0.33 | 20 | 6.60 | |
|  Moreira, Simao Chaves | | | 1570 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Santos, Jose Guilherme Barria | | | 1937 | POR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Goncalves, Gabriel Sobral | | | 1716 | POR | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Mueller, Martin | | | 2052 | GER | 0.50 | 1 | 0.11 | 20 | 2.20 | | | * 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) | | | | XXIX Taca de Lisboa r. 3 | Lisboa | POR | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1970 | 0.50 | 1 | 0.23 | 20 | 4.60 | |
| | Gaspar, Artur | | | 2145 | POR | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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