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Individual Calculations November 2018 |
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| Williams, Justus Total change: -9.20 | |   |
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| 27th Annual Midwest Class Championship | Wheeling, Illinois | USA | 2018-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2344 | 4.00 | 5 | 0.24 | 20 | 4.80 | |
|  Singh, Hersh | | | 1944 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Xu, Arthur | c | | 2017 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Graif, William | | | 2157 | CAN | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Saleem, Arshaq | | | 2096 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Brattain, Mika | | | 2404 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2018 Saint Louis District Championship | Saint Louis, Missouri | USA | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2344 | 3.00 | 4 | 0.45 | 20 | 9.00 | |
| | Herman, Sara | | | 1944 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xu, Arthur | c | | 2017 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Theodorou, Nikolas | m | | 2535 | GRE | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Colas, Joshua | f | | 2334 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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) | | | | 2018 SPICE Cup Open | St. Louis, Missouri | USA | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2333 | 2344 | 3.50 | 9 | -1.15 | 20 | -23.00 | |
| | Lenderman, Aleksandr | g | | 2626 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Yanayt, Eugene | f | | 2137 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Quesada Perez, Yuniesky | g | | 2622 | CUB | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Daggupati, Balaji | f | | 2202 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Gosdin, Kaleb Ryder | | | 2029 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ghazarian, Kirk | | | 2222 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Chandra, Akshat | g | | 2471 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Wang, Tianqi | | | 2346 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Peng, David | f | | 2341 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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