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Individual Calculations March 2018 |
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| Colas, Joshua Total change: 39.40 | |   |
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| 2018 Saint Louis Norm Congress - IM | Saint Louis, Missouri | USA | 2018-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2207 | 5.00 | 9 | 2.22 | 20 | 44.40 | |
|  Banawa, Joel | m | | 2401 | USA | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Matsenko, Sergei | m | | 2561 | RUS | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Torres Rosas, Luis Carlos | m | | 2370 | MEX | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Stearman, Josiah | f | | 2335 | USA | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Wang, Justin | | | 2368 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Zhou, Qiyu | f | wg | 2230 | CAN | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Grabinsky, Aaron | | | 2388 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Turgut, Tansel | f | | 2224 | TUR | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Jacobson, Brandon | f | | 2351 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | 10th Annual Metro Saint Louis Class Championship - Master | Saint Louis, Missouri | USA | 2018-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2423 | 2207 | 0.50 | 3 | -0.25 | 20 | -5.00 | |
| | Zherebukh, Yaroslav | g | | 2607 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Grabinsky, Aaron | | | 2388 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Sharevich, Anna | | wg | 2273 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | |
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