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Individual Calculations February 2022 |
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| David, Leroy Debblay Total change: 0.00 | |   |
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| Liberia National Chess Championship 2021 | Paynesville | LBR | 2021-12-16 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1771 | 0 | 3.50 | 6 | 0.00 | 1791 | | 0.00 | |
|  Jacob, Jallah | f | | 1902 | LBR | 0.00 | 1 | 0.00 | | 0.00 | | | Melvin, A. Weah | | | 1623 | LBR | 1.00 | 1 | 0.00 | | 0.00 | | | Daniel, Kolliemelen | c | | 1831 | LBR | 0.00 | 1 | 0.00 | | 0.00 | |  Elijah, Dennis | | | 1538 | LBR | 1.00 | 1 | 0.00 | | 0.00 | | | Barcon, Harmon | f | | 1914 | LBR | 1.00 | 1 | 0.00 | | 0.00 | | | Bobby, Ballah | | | 1816 | LBR | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | | | African Juniors Chess Championships 2021 Open | Monrovia | LBR | 2021-12-29 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2036 | 0 | 0.50 | 4 | 0.00 | 1714 | | 0.00 | |
| | Olisa, Tennyson | | | 2111 | NGR | 0.50 | 1 | 0.00 | | 0.00 | | | Noumbo, Vidal | | | 1756 | CMR | 0.00 | 1 | 0.00 | | 0.00 | | | George Samir, David | | | 2063 | EGY | 0.00 | 1 | 0.00 | | 0.00 | | | Brahami, Lamine | f | | 2212 | ALG | 0.00 | 1 | 0.00 | | 0.00 | |
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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