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Individual Calculations September 2015 |
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| Song, Edward Total change: 14.20 | |   |
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| 2015 North American U20 Open Championships | Kitchener | CAN | 2015-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2290 | 6.00 | 9 | 0.66 | 20 | 13.20 | |
|  Nasir, Pi | | | 1890 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  He, Samuel Fei | | | 2083 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Hong, Andrew Z | | | 2108 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Chen, Richard | c | | 2082 | CAN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Preotu, Razvan | m | | 2452 | CAN | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Wang, Kevin | f | | 2363 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Krishnan, Varun | | | 2314 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Balakrishnan, Praveen | | | 2226 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Viswanadha, Kesav | m | | 2367 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | * 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) | | | | 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2290 | 4.50 | 9 | 0.05 | 20 | 1.00 | |
| | Chandra, Akshat | m | | 2496 | USA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Li, Ruifeng | f | | 2408 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Sorkin, Igor | | | 2378 | ISR | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Zheng, Andrew | | | 2121 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Nydick, Brandon | | | 2133 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Jacobson, Aaron | | | 2231 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Eswaran, Ashritha | | | 2155 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Getz, Shelby D | f | | 2286 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Bakre, Tejas | g | | 2449 | IND | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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