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Individual Calculations May 2015 |
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| Gurevich, Daniel Total change: -7.00 | |   |
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| 9th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2015-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2373 | 5.00 | 9 | -0.81 | 20 | -16.20 | |
|  Harriott, Tyrell | | | 2145 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Garcia, Erick | | | 2125 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Corallo, Michael Patrick | | | 2290 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Gorman, Dov | f | | 2226 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Katz, Alexander Ross | m | | 2265 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Liang, Awonder | f | | 2302 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Ortiz Suarez, Isan | g | | 2612 | CUB | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Waidyaratne, Kasun | | | 2195 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Wang, Qibiao | | | 2206 | CHN | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 2015 Philip Taylor Georgia State Championship | Atlanta, Georgia | USA | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2373 | 3.00 | 4 | 0.46 | 20 | 9.20 | |
| | White, Lawrence A | | | 1973 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Potula, Kapish | | | 1973 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zapata, Alonso | g | | 2465 | COL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Paragua, Mark C | g | | 2502 | PHI | 0.50 | 1 | 0.17 | 20 | 3.40 | | | * 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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