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Individual Calculations April 2018 |
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| Oatlhotse, Providence Total change: 18.00 | |   |
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| Metropolitan Chess Championship 1st Qualifiers- open | GABORONE | BOT | 2018-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2199 | 4.00 | 5 | -0.09 | 20 | -1.80 | |
|  Taukobong, Gobusamang | | | 1799 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sebowe, Stanley | | | 1840 | BOT | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Simon, Bokamoso | | | 1974 | BOT | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Monnaatsheko, Keletshabile | | | 2030 | BOT | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Mosenya, Ndawana | c | | 1987 | BOT | 0.50 | 1 | -0.27 | 20 | -5.40 | | | * 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) | | | | 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 2173 | 4.50 | 5 | 0.37 | 20 | 7.40 | |
| | Ndhlovu, Bhekisisa | | | 1773 * | ZIM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mupazviriwo, Robert F | | | 1773 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sadie, Johan Jacobus Hendrik | | | 1773 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Steyn, Hans | | | 1821 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Mnguni, Jacob Dumisani | | | 2184 | RSA | 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) | | | | Boardwalk Pearson High School Chess Tournament 2018 (Prestige) | Port Elizabeth | RSA | 2018-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2173 | 3.00 | 8 | 0.16 | 20 | 3.20 | |
| | Silva, David | m | | 2279 | ANG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Grover, Sahaj | g | | 2484 | IND | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Klaasen, Calvin John | f | | 2320 | RSA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Luanja, Geoffrey | | | 2300 | ZAM | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Mwale, Joseph | c | | 2240 | MAW | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Makoto, Rodwell | m | | 2349 | ZIM | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Van Zyl-Rudd, Jack | f | | 2133 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Paiva, Donaldo | c | | 2196 | MOZ | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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) | | | | Metropolitan National Champioships 2nd Qualifers -Open | Gaborone | BOT | 2018-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2173 | 5.50 | 7 | 0.46 | 20 | 9.20 | |
| | Masole, Clifford | c | | 1933 | BOT | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Kokome, Oaitse | c | | 1989 | BOT | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Monnaatsheko, Keletshabile | | | 2050 | BOT | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Gasepale, Nametso | | | 1773 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Khetho, Phemelo | f | | 2146 | BOT | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Notha, Moakofi | | | 2033 | BOT | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Gumpo, Thabo | c | | 2039 | BOT | 0.50 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | |
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