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Individual Calculations August 2015 |
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| Petat, Yannick Total change: 7.40 | |   |
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| 26th NATO Chess Championship | Amsterdam | NED | 2015-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1938 | 2.50 | 6 | 0.37 | 20 | 7.40 | |
|  Helbig, Mark | f | | 2284 | GER | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Rizihs, Valerijs | | | 1761 | LAT | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Nilsson, Erik | | | 2085 | DEN | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Oltean, Gusztav | | | 2077 | HUN | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Balmaceda, Enrico | | | 2054 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Farrell, John | | | 2054 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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