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Individual Calculations July 2013 |
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| Perez, Robert Total change: 19.50 | |   |
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| 82nd Massachusetts Open | Marlboro, Massachusetts | USA | 2013-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2325 | 2359 | 5.00 | 6 | 1.73 | 15 | 25.95 | |
|  Theil, Carey | | | 2184 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Brattain, Mika Andrew | | | 2160 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ivanov, Alexander | g | | 2529 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Kelleher, William | f | | 2323 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Riordan, Charles | f | | 2326 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Vigorito, David | m | | 2429 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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 US Junior Closed Championship | St Louis, Missouri | USA | 2013-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2362 | 2359 | 4.00 | 9 | -0.43 | 15 | -6.45 | |
| | Shetty, Atulya | f | | 2320 | USA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Sevian, Samuel | f | | 2390 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Shen, Victor C | m | | 2411 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Chiang, Sarah | | wf | 2101 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Liou, Yian | f | | 2385 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Troff, Kayden W | m | | 2443 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Xiong, Jeffery | f | | 2370 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Harmon-Vellotti, Luke | f | | 2340 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Naroditsky, Daniel | m | | 2494 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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