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Individual Calculations May 2019 |
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| Habulezi, Joseph Total change: -72.00 | |   |
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| 2019 Botswana chess league Round 1-4 | Gaborone | BOT | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1755 | 1.00 | 3 | -1.00 | 40 | -40.00 | |
|  Mogotsakgotla, Gaorutwe | | | 1523 | BOT | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Obakeng, Seabonyane | | | 1589 | BOT | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Sasebola, Badumedi | | | 1761 | BOT | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | FIRST CAPITAL BANK INTERNATIONAL EASTER SHOWDOWN-U20 | FRANCISTOWN | BOT | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1755 | 1.50 | 4 | -0.80 | 40 | -32.00 | |
| | Ntobedzi, Thabiso | | | 1594 | BOT | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Karabo, Manyenyegwa | | | 1709 | BOT | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Mokgathi, Kebonyephenyo | | | 1769 | BOT | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Selogelo, Othata | | | 1719 | BOT | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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