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Individual Calculations November 2017 |
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| Oatlhotse, Providence Total change: 2.60 | |   |
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| 2017 Debtswana Development Botswana Open Chess Championship-Prestige | Gaborone | BOT | 2017-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2197 | 4.50 | 7 | 0.30 | 20 | 6.00 | |
|  Machobane, Moemedi | | | 1914 | BOT | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Mapini, Otsile | c | | 1963 | BOT | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Jere, Daniel | m | | 2381 | ZAM | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Simon, Bokamoso | | | 1945 | BOT | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Masango, Spencer | | | 2218 | ZIM | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Simutowe, Musatwe | c | | 2177 | ZAM | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Olebile, Thato | f | | 2200 | BOT | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | | | 2017 KCF Africa Team Chess Invitational (Team) | Brakpan | RSA | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2197 | 3.50 | 7 | -0.17 | 20 | -3.40 | |
| | Pon, Matt | f | | 2171 | RSA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Pein, Jonathan | | | 2201 | ENG | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Kabwe, Timothy | | | 2206 | ZAM | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Ovcina, Dennis | | | 2205 | RSA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Van Zyl-Rudd, Jack | f | | 2165 | RSA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Klaver, Cornelis | | | 2113 | RSA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Mosetlhe, Kgaugelo | | | 2197 | RSA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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