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Individual Calculations February 2019 |
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| Bayani, Kuda Total change: 3.80 | |   |
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| 2018 AFRICAN AMATEUR CHAMPIONSHIPS - U2300 Open | Windhoek | NAM | 2018-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1962 | 3.00 | 7 | 0.12 | 20 | 2.40 | |
|  Stratonowitsch, Andre | f | | 2152 | SEY | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Mosenya, Ndawana | c | | 1945 | BOT | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Katema, Patrick | | | 1801 | ZIM | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Eichab, Charles | c | | 2002 | NAM | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Dimba, James | c | | 2030 | ZAM | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Abera, Aydagnuhem Gezachew | c | | 2103 | ETH | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Beukes, Dante M | f | | 2162 | NAM | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | AIRFFICIENCY YEAR OPENER 2019-OPEN | GABORONE | BOT | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 1986 | 3.50 | 5 | 0.07 | 20 | 1.40 | |
| | Ndaba, Gakologelwang | | | 1658 | BOT | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Bosane, Innocent | | | 1774 | BOT | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Oatlhotse, Providence | m | | 2290 | BOT | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Oratile, Kgotlane | | | 1790 | BOT | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Moagi, Tirelo | | | 1619 | BOT | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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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