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Individual Calculations October 2021 |
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| Wei, Colin Total change: 75.20 | |   |
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| 87th Annual Southwest Open - Reserve | Irving, Texas | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1261 | 2.50 | 3 | 1.04 | 40 | 41.60 | |
|  Wilson, Zachary N | | | 1282 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |  Singh, Keshav | | | 1258 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Fricks, Charles | | | 1271 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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) | | | | 2021 Texas Fall Open | Westlake, Texas | USA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1261 | 1.00 | 2 | 0.84 | 40 | 33.60 | |
| | Redfield, Grant | | | 1661 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Linscott, John | | | 1661 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | |
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