Individual Calculations May 2015 |
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Roback, Joe Total change: -7.80 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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9th Annual Grand Pacific Open | Victoria | CAN | 2015-04-03 |
Rc | Ro | w | n | change | K | K*chg | Game |
1975 | 1973 | 1.50 | 4 | -0.39 | 20 | -7.80 | |
| Day, Lawrence | m | | 2222 | CAN | 0.50 | 1 | 0.31 | 20 | 6.20 | | Doknjas, Joshua | | | 1984 | CAN | 0.00 | 1 | -0.48 | 20 | -9.60 | | Kenney, Jason | | | 2119 | CAN | 0.00 | 1 | -0.30 | 20 | -6.00 | | Bashkansky, Naomi | | wc | 1573 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | * 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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