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Individual Calculations January 2020 |
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| Katai, Amy Total change: -22.40 | |   |
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| 2019 BOTSWANA GAMES TEAMS CHESS CHAMPIONSHIP-LADIES | GABORONE-UB | BOT | 2019-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1068 | 0.50 | 4 | -0.56 | 40 | -22.40 | |
|  Ngwato, Theresa | | | 1093 | BOT | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Bonno, Thandi | | | 1385 | BOT | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Peo, Phole | | | 1437 | BOT | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Gorata, Mere | | | 1172 | BOT | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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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