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Individual Calculations April 2020 |
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| Thapelo, Lorato Dolly Total change: 41.60 | |   |
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| NATIONAL CLUBS CHESS CHAMPIONSHIP-2020 | GABORONE AFRICAN HOME | BOT | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1198 | 3.00 | 4 | 1.61 | 40 | 64.40 | |
|  Tsotlhe, Madingwane | | | 1131 | BOT | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Seitshiro, Thero | | | 1206 | BOT | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Dusani, Segolame | | | 1411 | BOT | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Tamuhla, Londani | | wf | 1592 | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | | NOTE: K factor changed | | 2020 North Botswana Chess Extravaganza- Ladies Section | Palapye | BOT | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1386 | 1198 | 0.50 | 4 | -0.66 | 20 | -13.20 | |
| | Shaba, Linda | | | 1598 * | ZIM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | John, Oratile | | | 1237 | BOT | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Seleka, Thatayaone | | | 1495 | BOT | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Nthale, Bonno | | | 1215 | BOT | 0.50 | 1 | 0.02 | 20 | 0.40 | | | * 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) | | | NOTE: K factor changed | | BOTSWANA CHESS LEAGUE 2020 1-3 | GABORONE UB | BOT | 2020-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1206 | 1193 | 0.00 | 1 | -0.48 | 20 | -9.60 | |
| | Seitshiro, Thero | | | 1206 | BOT | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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