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Individual Calculations September 2016 |
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| Grabinsky, Aaron Total change: 24.20 | |   |
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| 2016 Denker Tournament of High School Champions | Indianapolis, Indiana | USA | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2332 | 4.50 | 6 | 0.29 | 20 | 5.80 | |
|  Zhou, Jason | | | 1932 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Suresh, Abhinav | | | 1932 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sowa, Ryan | | | 1948 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Tiglon, Bryce | | | 2310 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Burke, John M | m | | 2571 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Wang, Michael | | | 2157 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | | | 2016 NAYCC U18 | Windsor | CAN | 2016-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2312 | 6.00 | 9 | 0.92 | 20 | 18.40 | |
| | Li, Yinshi | | | 2138 | CAN | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Song, Guannan Terry | f | | 2208 | CAN | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Wang, Justin | | | 2177 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Shi, Diwen | c | | 2209 | CAN | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Peng, David T | f | | 2283 | USA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Song, Edward | f | | 2300 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Song, Michael | f | | 2373 | CAN | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Sheng, Joshua | f | | 2394 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Niemann, Hans M | f | | 2298 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | |
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