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Individual Calculations September 2015 |
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| Song, Guannan Terry Total change: 174.00 | |   |
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| 2015 North American U20 Open Championships | Kitchener | CAN | 2015-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 1988 | 5.50 | 8 | 3.97 | 40 | 158.80 | |
|  Shen, Arthur | f | | 2339 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Li, Ben | | | 2188 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Zhu, Hong Rui | c | | 2192 | CAN | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ghatti, Sanjay | | | 2182 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Hong, Andrew Z | | | 2108 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Zhang, Yuanchen | f | | 2295 | CAN | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Cao, Jason | f | | 2332 | CAN | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Wang, Kevin | f | | 2363 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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) | | | | 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2166 | 2.50 | 7 | 0.38 | 40 | 15.20 | |
| | Sheng, Joshua | | | 2364 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Hilby, Craig | | | 2367 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Checa, Nicolas D | f | | 2361 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Getz, Shelby D | f | | 2286 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Panchanatham, Vignesh | f | | 2297 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Brodsky, David | f | | 2283 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | King, Alexander B | | | 2245 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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