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Individual Calculations September 2013 |
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| Williams, Justus D Total change: 10.05 | |   |
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| 2nd Annual Washington International - Section A | Rockville, Maryland | USA | 2013-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2251 | 1.50 | 5 | -0.74 | 15 | -11.10 | |
|  Hunt, Adam C | m | | 2430 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Paikidze, Nazi | m | wg | 2377 | GEO | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Coraretti, Benjamin | | | 2189 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Martin Del Campo, Jorge | f | | 2135 | MEX | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Chandra, Akshat | f | | 2328 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 2013 NAYCC U18 | Toronto | CAN | 2013-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2251 | 7.00 | 9 | 1.41 | 15 | 21.15 | |
| | Luo, Zhao Yang | | | 1950 | CAN | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Nasir, Pi | | | 1851 * | CAN | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Liang, Fm Awonder | f | | 2121 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Pamatmat, Jarod | | | 2204 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Cao, Fm Jason | f | | 2092 | CAN | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Colas, Fm Joshua | | | 2210 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Qin, Fm Ziyi | | | 2286 | CAN | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Preotu, Razvan | | | 2277 | CAN | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Chandra, Fm Akshat | f | | 2328 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | * 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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