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Individual Calculations April 2020 |
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| Ramaselwana, Mpho Total change: 91.20 | |   |
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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 |
| 1396 | 1154 | 2.50 | 5 | 1.35 | 40 | 54.00 | |
|  Bonno, Thandi | | | 1386 | BOT | 0.50 | 1 | 0.29 | 40 | 11.60 | |  Rebatenne, Boitshepo | | | 1539 | BOT | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Dusani, Segolame | | | 1411 | BOT | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Sabure, Tuduetso | | wg | 1554 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mafoko, Felicity | | | 1089 | BOT | 1.00 | 1 | 0.41 | 40 | 16.40 | | | * 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) | | | | 2020 North Botswana Chess Extravaganza- Ladies Section | Palapye | BOT | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1154 | 2.00 | 6 | 0.89 | 40 | 35.60 | |
| | Marape, Naledi | | wf | 1554 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nthale, Bonno | | | 1215 | BOT | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Sabure, Tuduetso | | wg | 1554 * | BOT | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Ndachipiwa, Kgomotso | | | 1554 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Banda, Natalie Katlo | | wc | 1367 | BOT | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Olefile, Ogomoditse | | | 1379 | BOT | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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) | | | | BOTSWANA CHESS LEAGUE 2020 1-3 | GABORONE UB | BOT | 2020-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1154 | 0.50 | 2 | 0.04 | 40 | 1.60 | |
| | Bonno, Thandi | | | 1294 | BOT | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Mooketsi, Palesa | | | 1446 | BOT | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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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