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Individual Calculations July 2013 |
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| Williams, Justus D Total change: -6.30 | |   |
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| 2013 US Junior Open - Under 21 Section | Tarrytown, New York | USA | 2013-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2206 | 2.50 | 3 | 0.96 | 15 | 14.40 | |
|  Wu, Christopher | | | 2199 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | |  Colas, Joshua | | | 2201 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Ng, Andrew | | | 2194 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | 6th New York International - Championship Section | New York, New York | USA | 2013-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2206 | 2.50 | 7 | -1.38 | 15 | -20.70 | |
| | Molner, Mackenzie | m | | 2470 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Nieto, Guillermo L | | | 1949 | COL | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Yagiz, Bora | | | 1916 | TUR | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Viswanadha, Kesav | | | 2177 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Mulyar, Michael A | m | | 2383 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Nieto, Manuel Valerio | | | 1975 | COL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | King, Alexander B | | | 2251 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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