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Individual Calculations May 2019 |
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| Gabatshwarwe, Refilwe Total change: -170.40 | |   |
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| 2019 Botswana chess league Round 1-4 | Gaborone | BOT | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1268 | 1668 | 1.00 | 1 | 0.08 | 40 | 3.20 | |
|  Peo, Phole | | | 1268 * | BOT | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | World School Chess Championships 2019 - G15 | Antalya | TUR | 2019-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1634 | 1.50 | 8 | -4.34 | 40 | -173.60 | |
|  Choksy, Anaisha | | | 1334 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Ozbek, Busra | | | 1830 | TUR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Epa, W Buthmi J | | | 1405 | SRI | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Lochina, Justyna | | | 1352 | POL | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Cicek, Fidan | | | 1475 | TUR | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Pirmetova, Dariga | | | 1270 | KAZ | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Abisheva, Irada | | | 1234 * | KAZ | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Otisitswe, Ruth | | | 1574 | BOT | 0.50 | 1 | -0.08 | 40 | -3.20 | | | * 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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