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Individual Calculations May 2023 |
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| Soojay, Jorah Total change: -149.60 | |   |
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| 2023 South African Junior Closed (U16 Open) | Johannesburg | RSA | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1856 | 4.50 | 8 | -2.48 | 40 | -99.20 | |
|  Goliath, Brimarion | | | 1395 | RSA | 1.00 | 1 | 0.05 | 40 | 2.00 | |  Lagardien, Ismaeel | | | 1392 | RSA | 0.50 | 1 | -0.45 | 40 | -18.00 | | | Yan, Weilun | | | 1373 | RSA | 0.00 | 1 | -0.95 | 40 | -38.00 | | | Difotso, Lebogang | | | 1389 | RSA | 0.50 | 1 | -0.45 | 40 | -18.00 | | | Kruger, Neeke | | | 1456 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Coetsee, Dewald | | | 1423 | RSA | 1.00 | 1 | 0.06 | 40 | 2.40 | | | Simpson, Michael | | | 1923 | RSA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Price, Daelen | | | 1472 | RSA | 0.50 | 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) | | | | 2023 World School Chess Championships - open U15 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1856 | 4.50 | 9 | -1.26 | 40 | -50.40 | |
| | Tsimplis, Panagiotis | | | 1456 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Morkunas, Gustas | f | | 2073 | LTU | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Humaidan Mohamed, Alzaabi | | | 1461 | UAE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sodbilegt, Naranbold | c | | 2178 | MGL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Komekbayev, Ramazan | | | 1478 | KAZ | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Assylov, Miras | | | 2094 | KAZ | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Atakhanov, Umar | | | 1381 | UZB | 0.50 | 1 | -0.45 | 40 | -18.00 | | | Ceyhan, Mert | | | 1767 | TUR | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Abdallah, Mohamed Khalil | | | 1501 | TUN | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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) | | |
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