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Individual Calculations March 2018 |
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| Grabinsky, Aaron Total change: -12.80 | |   |
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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 |
| 2339 | 2388 | 4.00 | 9 | -1.10 | 20 | -22.00 | |
|  Stearman, Josiah | f | | 2335 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | |  Jacobson, Brandon | f | | 2351 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Wang, Justin | | | 2368 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Banawa, Joel | m | | 2401 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Zhou, Qiyu | f | wg | 2230 | CAN | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Matsenko, Sergei | m | | 2561 | RUS | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Colas, Joshua | f | | 2207 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Torres Rosas, Luis Carlos | m | | 2370 | MEX | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Turgut, Tansel | f | | 2224 | TUR | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 10th Annual Metro Saint Louis Class Championship - Master | Saint Louis, Missouri | USA | 2018-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2388 | 2.50 | 4 | 0.46 | 20 | 9.20 | |
| | Peng, Tianlu | | | 1988 * | CHN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Colas, Joshua | f | | 2207 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Shimanov, Aleksandr | g | | 2645 | RUS | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Zherebukh, Yaroslav | g | | 2628 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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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