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Individual Calculations February 2019 |
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| Portman, Carl S Total change: -1.00 | |   |
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| 2018/19 4NCL Div 4 Rounds 3 - 4 | Bedford | ENG | 2019-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1884 | 0.50 | 1 | -0.03 | 20 | -0.60 | |
|  Cundy, Mark A | | | 1864 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | | | Gibraltar International Chess Festival 2019 Amateurs A | Catalan Bay | ENG | 2019-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1884 | 3.50 | 5 | -0.02 | 20 | -0.40 | |
|  Bussmann, John | | | 1671 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Khoo-Thwe, Louis | | | 1617 | NOR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Whitworth, John | | | 1690 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Carr, Jay | | | 1842 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Kovacevic, Aleksandar S | | | 1793 | SRB | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | |
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